"use client";
import { useRef, useState, type ChangeEvent } from 'react';
import { useRouter } from 'next/navigation';
import Link from 'next/link';
import { adminFetch } from "@/config/adminFetch";
import AdminMobileMenu from "@/components/AdminMobileMenu";

// KOMPONENT 1: MultiSelect for samarbeidende klubber
const MultiSelect = ({ label, options, selected, onChange }: { label: string, options: any[], selected: string[], onChange: (s: string[]) => void }) => {
    const toggle = (val: string) => {
        if (selected.includes(val)) onChange(selected.filter(x => x !== val));
        else onChange([...selected, val]);
    };
    return (
        <div className="flex flex-col gap-2 mb-8 col-span-1 md:col-span-2">
            <label className="text-xs font-black uppercase tracking-widest text-gray-600">{label}</label>
            <div className="p-4 rounded-2xl border-2 border-gray-300 bg-white shadow-sm max-h-64 overflow-y-auto grid grid-cols-1 md:grid-cols-2 gap-2">
                {options.map(opt => (
                    <label key={opt.slug} className="flex items-center gap-3 p-2 hover:bg-gray-50 rounded-lg cursor-pointer border border-transparent hover:border-gray-200 transition-all">
                        <input type="checkbox" checked={selected.includes(opt.slug)} onChange={() => toggle(opt.slug)} className="w-5 h-5 accent-[#8bc34a]" />
                        <span className="text-sm font-bold text-gray-700">{opt.name}</span>
                    </label>
                ))}
            </div>
        </div>
    );
};

// KOMPONENT 2: Viser flate JSON-objekter (som fasiliteter) som rader med Nøkkel og Verdi
const KeyValueEditor = ({ label, value, onChange }: { label: string, value: any, onChange: (v: any) => void }) => {
    const entries = Object.entries(value || {});

    const updateKey = (oldKey: string, newKey: string, val: any) => {
        const newObj: any = {};
        for (const [k, v] of entries) {
            if (k === oldKey) {
                if (newKey.trim()) newObj[newKey] = val; 
            } else {
                newObj[k] = v;
            }
        }
        onChange(newObj);
    };

    const updateVal = (key: string, val: string) => {
        onChange({ ...value, [key]: val });
    };

    const removeKey = (key: string) => {
        const newObj = { ...value };
        delete newObj[key];
        onChange(newObj);
    };

    const addRow = () => {
        const tempKey = `ny_rad_${Date.now()}`;
        onChange({ ...value, [tempKey]: "" });
    };

    return (
        <div className="flex flex-col gap-4 mb-8 bg-gray-100 p-6 md:p-8 rounded-[2rem] border border-gray-200 shadow-sm">
            <label className="text-sm font-black uppercase tracking-widest text-[#11280f]">{label}</label>
            <div className="space-y-3">
                {entries.map(([k, v]) => (
                    <div key={k} className="grid gap-3 md:grid-cols-[minmax(0,0.35fr)_minmax(0,1fr)_auto] md:items-center">
                        <input 
                            className="w-full p-4 rounded-xl border-2 border-gray-300 text-sm font-bold text-black bg-white focus:border-[#8bc34a] outline-none shadow-sm" 
                            placeholder="Nøkkel (f.eks proshop)" 
                            defaultValue={k.startsWith('ny_rad_') ? '' : k} 
                            onBlur={e => updateKey(k, e.target.value, v)} 
                        />
                        <input 
                            className="w-full p-4 rounded-xl border-2 border-gray-300 text-base font-medium text-black bg-white focus:border-[#8bc34a] outline-none shadow-sm" 
                            placeholder="Verdi (f.eks Ja, eller et navn)" 
                            value={String(v)} 
                            onChange={e => updateVal(k, e.target.value)} 
                        />
                        <button onClick={() => removeKey(k)} className="btn btn-md btn-danger w-full md:w-auto md:text-center">✕</button>
                    </div>
                ))}
            </div>
            <button onClick={addRow} className="btn btn-md btn-secondary mt-2 self-start">+ Legg til ny rad</button>
        </div>
    );
};

// KOMPONENT 3: Viser Arrays med objekter (som Greenfee-lister) som små pene kort
const ListObjectEditor = ({ label, value, templateKeys, onChange }: { label: string, value: any[], templateKeys: string[], onChange: (v: any[]) => void }) => {
    const items = Array.isArray(value) ? value : [];

    const updateField = (index: number, key: string, val: string | number) => {
        const newItems = [...items];
        const parsedVal = (!isNaN(Number(val)) && val !== "") ? Number(val) : val;
        newItems[index] = { ...newItems[index], [key]: parsedVal };
        onChange(newItems);
    };

    const addRow = () => {
        const newItem: any = {};
        templateKeys.forEach(k => newItem[k] = "");
        onChange([...items, newItem]);
    };

    const removeRow = (index: number) => {
        const newItems = items.filter((_, i) => i !== index);
        onChange(newItems);
    };

    return (
        <div className="flex flex-col gap-4 mb-8 bg-gray-100 p-6 md:p-8 rounded-[2rem] border border-gray-200 shadow-sm">
            <label className="text-sm font-black uppercase tracking-widest text-[#11280f]">{label}</label>
            <div className="space-y-6">
                {items.map((item, idx) => (
                    <div key={idx} className="flex flex-col bg-white p-6 rounded-2xl border-2 border-gray-300 shadow-sm relative group hover:border-[#8bc34a] transition-colors">
                        <button onClick={() => removeRow(idx)} className="btn btn-sm btn-danger absolute right-4 top-4 z-10">✕</button>
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-6 pr-10">
                            {templateKeys.map(key => (
                                <div key={key} className="flex flex-col gap-2">
                                    <label className="text-xs uppercase font-black text-gray-600 tracking-wider">{key.replace(/_/g, ' ')}</label>
                                    <input 
                                        className="p-3 rounded-lg border-2 border-gray-300 text-base font-bold text-black bg-gray-50 focus:bg-white focus:border-[#8bc34a] outline-none transition-colors" 
                                        value={item[key] || ""} 
                                        onChange={e => updateField(idx, key, e.target.value)} 
                                    />
                                </div>
                            ))}
                        </div>
                    </div>
                ))}
            </div>
            <button onClick={addRow} className="btn btn-md btn-secondary mt-2 self-start">+ Legg til nytt element</button>
        </div>
    );
};

// KOMPONENT 4: DEN NYE SCOREKORT-BYGGEREN
const ScorecardBuilder = ({ course, onChange }: { course: any, onChange: (c: any) => void }) => {
    const ALL_KEYS = ['lengst', 'lang', 'mellomlang', 'mellomkort', 'kort', 'kortest'];

    const [holes, setHoles] = useState<any[]>(() => {
        const h = course.holes || [];
        if (h.length === 0) {
            return Array.from({length: 18}, (_, i) => ({ hole_number: i+1, par: '', hcp_index: '', lengths: {} }));
        }
        return h.sort((a: any, b: any) => a.hole_number - b.hole_number);
    });

    const [activeKeys, setActiveKeys] = useState<string[]>(() => {
        const keys = new Set<string>();
        holes.forEach(h => {
            if (h.lengths) Object.keys(h.lengths).forEach(k => keys.add(k));
        });
        return ALL_KEYS.filter(k => keys.has(k));
    });

    const [tees, setTees] = useState<any>(() => {
        const herrer = course.tee_boxes?.herrer || [];
        const damer = course.tee_boxes?.damer || [];
        const initialTees = { herrer: {} as any, damer: {} as any };
        activeKeys.forEach((key, idx) => {
            initialTees.herrer[key] = herrer[idx] || { navn_utslag: '', baneverdi: '', slopeverdi: '' };
            initialTees.damer[key] = damer[idx] || { navn_utslag_damer: '', baneverdi_damer: '', slopeverdi_damer: '' };
        });
        return initialTees;
    });

    const syncToParent = (newHoles: any[], newKeys: string[], newTees: any) => {
        const updatedTeeBoxes = {
            herrer: newKeys.map(k => newTees.herrer[k] || {}),
            damer: newKeys.map(k => newTees.damer[k] || {})
        };
        onChange({
            ...course,
            holes: newHoles,
            tee_boxes: updatedTeeBoxes
        });
    };

    const toggleKey = (key: string) => {
        const newKeys = activeKeys.includes(key)
            ? activeKeys.filter(k => k !== key)
            : ALL_KEYS.filter(k => activeKeys.includes(k) || k === key);
        setActiveKeys(newKeys);

        const newTees = { ...tees };
        if (!newTees.herrer[key]) newTees.herrer[key] = { navn_utslag: '', baneverdi: '', slopeverdi: '' };
        if (!newTees.damer[key]) newTees.damer[key] = { navn_utslag_damer: '', baneverdi_damer: '', slopeverdi_damer: '' };
        setTees(newTees);
        syncToParent(holes, newKeys, newTees);
    };

    const updateTee = (gender: 'herrer'|'damer', key: string, field: string, value: string) => {
        const newTees = { ...tees };
        newTees[gender][key] = { ...newTees[gender][key], [field]: value };
        setTees(newTees);
        syncToParent(holes, activeKeys, newTees);
    };

    const updateHole = (index: number, field: string, value: string, lengthKey: string | null = null) => {
        const newHoles = [...holes];
        if (lengthKey) {
            newHoles[index].lengths = { ...newHoles[index].lengths, [lengthKey]: value === '' ? '' : Number(value) };
        } else {
            newHoles[index][field] = value === '' ? '' : Number(value);
        }
        setHoles(newHoles);
        syncToParent(newHoles, activeKeys, tees);
    };

    const addHole = () => {
        const newHoles = [...holes, { hole_number: holes.length + 1, par: '', hcp_index: '', lengths: {} }];
        setHoles(newHoles);
        syncToParent(newHoles, activeKeys, tees);
    };

    const removeLastHole = () => {
        const newHoles = holes.slice(0, -1);
        setHoles(newHoles);
        syncToParent(newHoles, activeKeys, tees);
    };

    return (
        <div className="flex flex-col gap-4 mt-6">
            <div className="flex flex-wrap gap-4 items-center bg-gray-100 p-4 rounded-xl border-2 border-gray-200">
                <span className="text-xs font-black uppercase tracking-widest text-gray-600">Aktive Utslagskolonner:</span>
                {ALL_KEYS.map(k => (
                    <label key={k} className="flex items-center gap-2 text-sm font-bold cursor-pointer text-black">
                        <input 
                            type="checkbox" 
                            checked={activeKeys.includes(k)} 
                            onChange={() => toggleKey(k)} 
                            className="w-5 h-5 accent-[#8bc34a]"
                        />
                        {k.toUpperCase()}
                    </label>
                ))}
            </div>

            <div className="grid gap-6 lg:grid-cols-2">
                <section className="rounded-[1.75rem] border-2 border-blue-100 bg-blue-50/60 p-5 shadow-sm">
                    <p className="text-xs font-black uppercase tracking-widest text-blue-900">Herrer</p>
                    <div className="mt-4 space-y-3">
                        {activeKeys.map(k => (
                            <div key={k} className="rounded-2xl bg-white p-4 shadow-sm">
                                <p className="text-[10px] font-black uppercase tracking-[0.18em] text-gray-400">{k}</p>
                                <div className="mt-3 grid gap-2 sm:grid-cols-3">
                                    <input placeholder="Eks: Gul" className="w-full rounded-xl border border-blue-200 bg-white p-3 text-sm font-bold text-black outline-none focus:border-blue-500" value={tees.herrer[k]?.navn_utslag || ''} onChange={e => updateTee('herrer', k, 'navn_utslag', e.target.value)} />
                                    <input placeholder="CR" className="w-full rounded-xl border border-blue-200 bg-white p-3 text-sm text-center text-black outline-none focus:border-blue-500" value={tees.herrer[k]?.baneverdi || ''} onChange={e => updateTee('herrer', k, 'baneverdi', e.target.value)} />
                                    <input placeholder="Slope" className="w-full rounded-xl border border-blue-200 bg-white p-3 text-sm text-center text-black outline-none focus:border-blue-500" value={tees.herrer[k]?.slopeverdi || ''} onChange={e => updateTee('herrer', k, 'slopeverdi', e.target.value)} />
                                </div>
                            </div>
                        ))}
                    </div>
                </section>

                <section className="rounded-[1.75rem] border-2 border-red-100 bg-red-50/60 p-5 shadow-sm">
                    <p className="text-xs font-black uppercase tracking-widest text-red-900">Damer</p>
                    <div className="mt-4 space-y-3">
                        {activeKeys.map(k => (
                            <div key={k} className="rounded-2xl bg-white p-4 shadow-sm">
                                <p className="text-[10px] font-black uppercase tracking-[0.18em] text-gray-400">{k}</p>
                                <div className="mt-3 grid gap-2 sm:grid-cols-3">
                                    <input placeholder="Eks: Rod" className="w-full rounded-xl border border-red-200 bg-white p-3 text-sm font-bold text-black outline-none focus:border-red-500" value={tees.damer[k]?.navn_utslag_damer || ''} onChange={e => updateTee('damer', k, 'navn_utslag_damer', e.target.value)} />
                                    <input placeholder="CR" className="w-full rounded-xl border border-red-200 bg-white p-3 text-sm text-center text-black outline-none focus:border-red-500" value={tees.damer[k]?.baneverdi_damer || ''} onChange={e => updateTee('damer', k, 'baneverdi_damer', e.target.value)} />
                                    <input placeholder="Slope" className="w-full rounded-xl border border-red-200 bg-white p-3 text-sm text-center text-black outline-none focus:border-red-500" value={tees.damer[k]?.slopeverdi_damer || ''} onChange={e => updateTee('damer', k, 'slopeverdi_damer', e.target.value)} />
                                </div>
                            </div>
                        ))}
                    </div>
                </section>
            </div>

            <section className="rounded-[1.75rem] border-2 border-gray-200 bg-white p-5 shadow-sm">
                <div className="flex flex-col gap-2 sm:flex-row sm:items-center sm:justify-between">
                    <div>
                        <p className="text-xs font-black uppercase tracking-widest text-gray-400">Hull for hull</p>
                        <p className="mt-1 text-sm text-gray-500">Hvert hull er et eget kort med par, hcp og lengder per aktiv utslagskolonne.</p>
                    </div>
                    <span className="rounded-xl bg-[#f1f7ed] px-3 py-2 text-[10px] font-black uppercase tracking-widest text-[#11280f]">{holes.length} hull</span>
                </div>
                <div className="mt-5 grid gap-4 lg:grid-cols-2">
                    {holes.map((h, idx) => (
                        <div key={idx} className="rounded-[1.5rem] border border-gray-200 bg-[#fbfdf8] p-4 shadow-sm">
                            <div className="flex items-center justify-between gap-3">
                                <p className="text-lg font-black text-[#11280f]">Hull {h.hole_number}</p>
                                <span className="rounded-xl bg-white px-3 py-1 text-[10px] font-black uppercase tracking-widest text-gray-400 shadow-sm">{activeKeys.length} utslag</span>
                            </div>
                            <div className="mt-4 grid gap-3 sm:grid-cols-2">
                                <div>
                                    <label className="text-[10px] font-black uppercase tracking-[0.18em] text-gray-400">Par</label>
                                    <input type="number" className="mt-2 w-full rounded-xl border-2 border-gray-200 bg-white p-3 text-center font-bold text-black outline-none focus:border-[#8bc34a]" value={h.par || ''} onChange={e => updateHole(idx, 'par', e.target.value)} />
                                </div>
                                <div>
                                    <label className="text-[10px] font-black uppercase tracking-[0.18em] text-gray-400">HCP</label>
                                    <input type="number" className="mt-2 w-full rounded-xl border-2 border-gray-200 bg-white p-3 text-center font-bold text-black outline-none focus:border-[#8bc34a]" value={h.hcp_index || ''} onChange={e => updateHole(idx, 'hcp_index', e.target.value)} />
                                </div>
                            </div>
                            <div className="mt-4 grid gap-3 sm:grid-cols-2 xl:grid-cols-3">
                                {activeKeys.map(k => (
                                    <div key={k} className="rounded-2xl bg-white p-3 shadow-sm">
                                        <label className="text-[10px] font-black uppercase tracking-[0.18em] text-gray-400">{k}</label>
                                        <input type="number" placeholder="Lengde" className="mt-2 w-full rounded-xl border-2 border-gray-200 bg-white p-3 text-center font-mono font-bold text-black outline-none focus:border-[#8bc34a]" value={h.lengths?.[k] || ''} onChange={e => updateHole(idx, 'lengths', e.target.value, k)} />
                                    </div>
                                ))}
                            </div>
                        </div>
                    ))}
                </div>
            </section>

            <div className="hidden overflow-x-auto rounded-2xl border-2 border-gray-300 shadow-sm bg-white pb-2">
                <table className="w-full text-center text-sm min-w-[800px] border-collapse">
                    <thead>
                        <tr className="bg-gray-100 text-gray-700 text-xs font-black uppercase tracking-widest border-b-2 border-gray-300">
                            <th className="p-3 border-r border-gray-200">Hull</th>
                            <th className="p-3 border-r border-gray-200">Par</th>
                            <th className="p-3 border-r border-gray-300">HCP</th>
                            {activeKeys.map(k => <th key={k} className="p-3 border-r border-gray-300 w-32">{k}</th>)}
                        </tr>
                        {/* Herrer */}
                        <tr className="bg-blue-50 border-b border-gray-300">
                            <th colSpan={3} className="p-3 text-right text-[10px] font-black text-blue-900 uppercase tracking-widest border-r border-gray-300">
                                Herrer (Navn / CR / Slope)
                            </th>
                            {activeKeys.map(k => (
                                <td key={k} className="p-2 border-r border-gray-300 align-top">
                                    <div className="flex flex-col gap-1">
                                        <input placeholder="Eks: Gul" className="w-full p-2 text-xs font-bold text-center border border-blue-200 rounded outline-none focus:border-blue-500 bg-white text-black" value={tees.herrer[k]?.navn_utslag || ''} onChange={e => updateTee('herrer', k, 'navn_utslag', e.target.value)} />
                                        <div className="flex gap-1">
                                            <input placeholder="CR" className="w-1/2 p-2 text-xs text-center border border-blue-200 rounded outline-none focus:border-blue-500 bg-white text-black" value={tees.herrer[k]?.baneverdi || ''} onChange={e => updateTee('herrer', k, 'baneverdi', e.target.value)} />
                                            <input placeholder="Slope" className="w-1/2 p-2 text-xs text-center border border-blue-200 rounded outline-none focus:border-blue-500 bg-white text-black" value={tees.herrer[k]?.slopeverdi || ''} onChange={e => updateTee('herrer', k, 'slopeverdi', e.target.value)} />
                                        </div>
                                    </div>
                                </td>
                            ))}
                        </tr>
                        {/* Damer */}
                        <tr className="bg-red-50 border-b-4 border-gray-400">
                            <th colSpan={3} className="p-3 text-right text-[10px] font-black text-red-900 uppercase tracking-widest border-r border-gray-300">
                                Damer (Navn / CR / Slope)
                            </th>
                            {activeKeys.map(k => (
                                <td key={k} className="p-2 border-r border-gray-300 align-top">
                                    <div className="flex flex-col gap-1">
                                        <input placeholder="Eks: Rød" className="w-full p-2 text-xs font-bold text-center border border-red-200 rounded outline-none focus:border-red-500 bg-white text-black" value={tees.damer[k]?.navn_utslag_damer || ''} onChange={e => updateTee('damer', k, 'navn_utslag_damer', e.target.value)} />
                                        <div className="flex gap-1">
                                            <input placeholder="CR" className="w-1/2 p-2 text-xs text-center border border-red-200 rounded outline-none focus:border-red-500 bg-white text-black" value={tees.damer[k]?.baneverdi_damer || ''} onChange={e => updateTee('damer', k, 'baneverdi_damer', e.target.value)} />
                                            <input placeholder="Slope" className="w-1/2 p-2 text-xs text-center border border-red-200 rounded outline-none focus:border-red-500 bg-white text-black" value={tees.damer[k]?.slopeverdi_damer || ''} onChange={e => updateTee('damer', k, 'slopeverdi_damer', e.target.value)} />
                                        </div>
                                    </div>
                                </td>
                            ))}
                        </tr>
                    </thead>
                    <tbody>
                        {holes.map((h, idx) => (
                            <tr key={idx} className="border-b border-gray-200 hover:bg-gray-50">
                                <td className="p-2 font-black text-lg text-gray-800 border-r border-gray-200">{h.hole_number}</td>
                                <td className="p-2 border-r border-gray-200"><input type="number" className="w-full p-3 text-center border-2 border-gray-200 rounded-xl font-bold text-black outline-none focus:border-[#8bc34a] bg-white" value={h.par || ''} onChange={e => updateHole(idx, 'par', e.target.value)} /></td>
                                <td className="p-2 border-r border-gray-300"><input type="number" className="w-full p-3 text-center border-2 border-gray-200 rounded-xl font-bold text-black outline-none focus:border-[#8bc34a] bg-white" value={h.hcp_index || ''} onChange={e => updateHole(idx, 'hcp_index', e.target.value)} /></td>
                                {activeKeys.map(k => (
                                    <td key={k} className="p-2 border-r border-gray-300 bg-gray-50/50">
                                        <input type="number" placeholder="Lengde" className="w-full p-3 text-center border-2 border-gray-200 rounded-xl font-mono font-bold text-black outline-none focus:border-[#8bc34a] bg-white" value={h.lengths?.[k] || ''} onChange={e => updateHole(idx, 'lengths', e.target.value, k)} />
                                    </td>
                                ))}
                            </tr>
                        ))}
                    </tbody>
                </table>
            </div>
            
            <div className="flex flex-col gap-4 px-2 sm:flex-row">
                <button onClick={addHole} className="btn btn-md btn-secondary">+ Legg til hull</button>
                <button onClick={removeLastHole} className="btn btn-md btn-danger">- Slett siste hull</button>
            </div>
        </div>
    );
};

const normalizeStringList = (value: any): string[] => {
    if (Array.isArray(value)) {
        return Array.from(new Set(value.map((entry) => String(entry || "").trim()).filter(Boolean)));
    }

    if (typeof value === 'string') {
        try {
            return normalizeStringList(JSON.parse(value));
        } catch {
            return [];
        }
    }

    return [];
};

const getMediaFieldLabel = (field: string) => {
    if (field === 'image_url') return 'hovedbildet';
    if (field === 'logo_url') return 'logoen';
    return 'bildet';
};

export default function EditFacilityClient({ initialData, allFacilities }: { initialData: any, allFacilities: any[] }) {
    const router = useRouter();
    const [formData, setFormData] = useState(initialData);
    const [activeTab, setActiveTab] = useState('generelt');
    const [saving, setSaving] = useState(false);
    const [mediaFeedback, setMediaFeedback] = useState("");
    const [uploadingTarget, setUploadingTarget] = useState<string | null>(null);
    const mainImageInputRef = useRef<HTMLInputElement | null>(null);
    const logoImageInputRef = useRef<HTMLInputElement | null>(null);
    const galleryInputRef = useRef<HTMLInputElement | null>(null);

    // Trekk ut unike arkitekter fra alle anlegg
    const uniqueArchitects = Array.from(new Set(allFacilities.map(f => f.architect).filter(Boolean))).sort();
    
    // Sørg for at cooperating_clubs er et array
    const [coopClubs, setCoopClubs] = useState<string[]>(
        Array.isArray(initialData.cooperating_clubs) ? initialData.cooperating_clubs : 
        (typeof initialData.cooperating_clubs === 'string' ? JSON.parse(initialData.cooperating_clubs) : [])
    );

    const handleChange = (field: string, value: any) => {
        setFormData((prev: any) => ({ ...prev, [field]: value }));
    };

    const galleryImages = normalizeStringList(formData.gallery);

    const setGalleryImages = (images: string[]) => {
        handleChange('gallery', Array.from(new Set(images.map((entry) => String(entry || "").trim()).filter(Boolean))));
    };

    const updateGalleryImage = (index: number, value: string) => {
        const nextGallery = [...galleryImages];
        nextGallery[index] = value;
        setGalleryImages(nextGallery);
    };

    const removeGalleryImage = (index: number) => {
        setGalleryImages(galleryImages.filter((_, currentIndex) => currentIndex !== index));
    };

    const moveGalleryImage = (index: number, direction: -1 | 1) => {
        const nextIndex = index + direction;
        if (nextIndex < 0 || nextIndex >= galleryImages.length) return;

        const nextGallery = [...galleryImages];
        const [item] = nextGallery.splice(index, 1);
        nextGallery.splice(nextIndex, 0, item);
        setGalleryImages(nextGallery);
    };

    const uploadFacilityImage = async (file: File) => {
        const payload = new FormData();
        payload.append("file", file);
        payload.append("folder", "facilities");

        const response = await adminFetch("/api/admin/uploads/images", {
            method: "POST",
            body: payload,
            credentials: "include",
        });

        if (!response.ok) {
            const error = await response
                .json()
                .catch(() => ({ detail: "Kunne ikke laste opp bildet." }));
            throw new Error(error.detail || "Kunne ikke laste opp bildet.");
        }

        const result = (await response.json()) as { url?: string };
        if (!result.url) {
            throw new Error("Uploaden returnerte ingen bildeadresse.");
        }

        return result.url;
    };

    const handleSingleImageUpload = async (field: 'image_url' | 'logo_url', event: ChangeEvent<HTMLInputElement>) => {
        const file = event.target.files?.[0];
        event.target.value = "";

        if (!file) return;

        setUploadingTarget(field);
        setMediaFeedback("");

        try {
            const url = await uploadFacilityImage(file);
            handleChange(field, url);
            setMediaFeedback(`Lastet opp ${getMediaFieldLabel(field)}.`);
        } catch (error) {
            setMediaFeedback(error instanceof Error ? error.message : "Kunne ikke laste opp bildet.");
        } finally {
            setUploadingTarget(null);
        }
    };

    const handleGalleryUpload = async (event: ChangeEvent<HTMLInputElement>) => {
        const files = Array.from(event.target.files || []);
        event.target.value = "";

        if (files.length === 0) return;

        setUploadingTarget('gallery');
        setMediaFeedback("");

        try {
            const uploadedUrls = await Promise.all(files.map((file) => uploadFacilityImage(file)));
            setGalleryImages([...galleryImages, ...uploadedUrls]);
            setMediaFeedback(`Lastet opp ${uploadedUrls.length} galleribilde${uploadedUrls.length === 1 ? "" : "r"}.`);
        } catch (error) {
            setMediaFeedback(error instanceof Error ? error.message : "Kunne ikke laste opp galleribilder.");
        } finally {
            setUploadingTarget(null);
        }
    };

    const handleSave = async () => {
        setSaving(true);
        try {
            const res = await adminFetch(`/api/admin/facilities/${initialData.id}/full`, {
                method: 'PUT',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(formData)
            });
            
            if (res.ok) {
                alert("Lagret suksessfullt!");
                router.refresh();
            } else {
                alert("Noe gikk galt under lagring.");
            }
        } catch (e) {
            alert("Nettverksfeil.");
        }
        setSaving(false);
    };

    const tabs = [
        { id: 'generelt', label: 'Generelt' },
        { id: 'lokasjon', label: 'Lokasjon & Kontakt' },
        { id: 'linker', label: 'Lenker & Media' },
        { id: 'okonomi', label: 'Økonomi, medlemskap og fasiliteter' },
        { id: 'baner', label: 'Baner & Scorekort' }
    ];

    // Hjelpefunksjon for å hente ut verdi (spesielt formatert for dato)
    const getValue = (field: string, type: string) => {
        let val = formData[field] || "";
        if (type === 'date' && val) {
            val = val.split('T')[0];
        }
        return val;
    };

    return (
        <div className="max-w-[1400px] mx-auto p-4 md:p-8 relative z-40 bg-white min-h-screen">
            <AdminMobileMenu />
            <div className="flex flex-col md:flex-row justify-between items-start md:items-center mb-10 pb-6 border-b border-gray-200 gap-6">
                <div>
                    <Link href="/admin" className="text-sm font-bold text-gray-500 hover:text-[#8bc34a] mb-2 block">← Tilbake til oversikten</Link>
                    <h1 className="text-4xl font-black text-[#11280f]">
                        Rediger:{" "}
                        <Link
                            href={`/golfbaner/${initialData.slug}`}
                            target="_blank"
                            rel="noopener noreferrer"
                            className="text-[#8bc34a]"
                            title="Åpne anleggssiden i ny fane"
                        >
                            {initialData.name}
                        </Link>
                    </h1>
                </div>
                <button 
                    onClick={handleSave} 
                    disabled={saving}
                    className="btn btn-lg btn-primary w-full md:w-auto disabled:opacity-50"
                >
                    {saving ? "Lagrer..." : "Lagre endringer"}
                </button>
            </div>

            <div className="flex flex-col md:flex-row gap-10">
                {/* SIDEBAR MENY */}
                <div className="w-full md:w-1/4 flex flex-col gap-3">
                    {tabs.map(tab => (
                        <button 
                            key={tab.id} 
                            onClick={() => setActiveTab(tab.id)}
                            className={`p-4 rounded-2xl text-left font-black uppercase text-sm tracking-widest transition-all ${activeTab === tab.id ? 'bg-[#8bc34a] text-white shadow-lg translate-x-2' : 'bg-gray-100 text-gray-600 hover:bg-gray-200'}`}
                        >
                            {tab.label}
                        </button>
                    ))}
                </div>

                {/* SKJEMA OMRÅDE */}
                <div className="w-full md:w-3/4">
                    {activeTab === 'generelt' && (
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                            <div className="col-span-1 md:col-span-2 flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Anleggsnavn</label>
                                <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('name', 'text')} onChange={e => handleChange('name', e.target.value)} />
                            </div>
                            
                            <div className="col-span-1 md:col-span-2 flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Viktig beskjed (Kursiv intro-tekst)</label>
                                <textarea className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base shadow-sm focus:border-[#8bc34a] outline-none" rows={4} value={getValue('footnote', 'textarea')} onChange={e => handleChange('footnote', e.target.value)} />
                            </div>
                            
                            <div className="col-span-1 md:col-span-2 flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Hovedbeskrivelse</label>
                                <textarea className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base shadow-sm focus:border-[#8bc34a] outline-none" rows={8} value={getValue('description', 'textarea')} onChange={e => handleChange('description', e.target.value)} />
                                <p className="text-xs leading-6 text-gray-500">
                                    Støtter enkel HTML i kort og detaljvisning:
                                    {" "}<code>&lt;strong&gt;</code>, <code>&lt;em&gt;</code>, <code>&lt;a href=\"...\"&gt;</code>, <code>&lt;br&gt;</code>, <code>&lt;p&gt;</code>, <code>&lt;ul&gt;</code>, <code>&lt;ol&gt;</code> og <code>&lt;li&gt;</code>.
                                </p>
                            </div>
                            
                            <div className="flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Banetype (f.eks Park/Skog)</label>
                                <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('banetype', 'text')} onChange={e => handleChange('banetype', e.target.value)} />
                            </div>

                            <div className="flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Sesong (f.eks April-Oktober)</label>
                                <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('season', 'text')} onChange={e => handleChange('season', e.target.value)} />
                            </div>

                            <div className="flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Byggeår</label>
                                <input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('established_year', 'number')} onChange={e => handleChange('established_year', Number(e.target.value))} />
                            </div>
                            
                            <div className="flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Arkitekt</label>
                                <input 
                                    list="architect-list"
                                    className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none transition-all" 
                                    value={getValue('architect', 'text')} 
                                    onChange={e => handleChange('architect', e.target.value)} 
                                    placeholder="Velg eller skriv inn ny..."
                                />
                                <datalist id="architect-list">
                                    <option value="Ukjent" />
                                    {uniqueArchitects.map((arch: any) => <option key={arch} value={arch} />)}
                                </datalist>
                            </div>
                            
                            <div className="flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Totallengde (meter)</label>
                                <input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('length_meters', 'number')} onChange={e => handleChange('length_meters', Number(e.target.value))} />
                            </div>

                        </div>
                    )}

                    {activeTab === 'lokasjon' && (
                        <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                            <div className="col-span-1 md:col-span-2 flex flex-col gap-2 mb-8">
                                <label className="text-xs font-black uppercase tracking-widest text-gray-600">Gateadresse</label>
                                <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('address', 'text')} onChange={e => handleChange('address', e.target.value)} />
                            </div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Postnummer</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('zipcode', 'text')} onChange={e => handleChange('zipcode', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Poststed / By</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('city', 'text')} onChange={e => handleChange('city', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Fylke</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('county', 'text')} onChange={e => handleChange('county', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Telefon</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('phone', 'text')} onChange={e => handleChange('phone', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">E-post</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('email', 'text')} onChange={e => handleChange('email', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Breddegrad (Latitude)</label><input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('lat', 'number')} onChange={e => handleChange('lat', Number(e.target.value))} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Lengdegrad (Longitude)</label><input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('lng', 'number')} onChange={e => handleChange('lng', Number(e.target.value))} /></div>
                        </div>
                    )}

                    {activeTab === 'linker' && (
                        <div className="flex flex-col">
                            <input
                                ref={mainImageInputRef}
                                type="file"
                                accept="image/*"
                                className="hidden"
                                onChange={(event) => handleSingleImageUpload('image_url', event)}
                            />
                            <input
                                ref={logoImageInputRef}
                                type="file"
                                accept="image/*"
                                className="hidden"
                                onChange={(event) => handleSingleImageUpload('logo_url', event)}
                            />
                            <input
                                ref={galleryInputRef}
                                type="file"
                                accept="image/*"
                                multiple
                                className="hidden"
                                onChange={handleGalleryUpload}
                            />

                            <div className="mb-8 rounded-[2rem] border border-[#8bc34a]/30 bg-[#8bc34a]/10 p-6 md:p-8">
                                <div className="flex flex-col gap-3 md:flex-row md:items-start md:justify-between">
                                    <div>
                                        <h3 className="text-sm font-black uppercase tracking-widest text-[#11280f]">Anleggsbilder</h3>
                                        <p className="mt-2 max-w-3xl text-sm leading-6 text-[#435340]">
                                            Last opp AVIF-optimaliserte bilder direkte fra admin. Du kan også fjerne koblingen til et bilde uten å slette selve filen fra serveren.
                                        </p>
                                    </div>
                                    {mediaFeedback ? (
                                        <div className="rounded-2xl bg-white/90 px-4 py-3 text-sm font-bold text-[#11280f] shadow-sm">
                                            {mediaFeedback}
                                        </div>
                                    ) : null}
                                </div>

                                <div className="mt-6 grid gap-6 xl:grid-cols-2">
                                    <div className="rounded-[1.75rem] border border-[#11280f]/10 bg-white p-5 shadow-sm">
                                        <div className="flex flex-wrap items-center justify-between gap-3">
                                            <div>
                                                <p className="text-[10px] font-black uppercase tracking-[0.18em] text-[#6A766C]">Hovedbilde</p>
                                                <p className="mt-1 text-sm text-[#536256]">Brukes som hovedbilde på baneprofilen og som fallback i galleri.</p>
                                            </div>
                                            <div className="flex flex-wrap gap-2">
                                                <button
                                                    type="button"
                                                    onClick={() => mainImageInputRef.current?.click()}
                                                    disabled={uploadingTarget === 'image_url'}
                                                    className="btn btn-sm btn-secondary disabled:cursor-not-allowed disabled:opacity-50"
                                                >
                                                    {uploadingTarget === 'image_url' ? 'Laster opp...' : 'Last opp'}
                                                </button>
                                                <button
                                                    type="button"
                                                    onClick={() => handleChange('image_url', '')}
                                                    disabled={!getValue('image_url', 'text')}
                                                    className="btn btn-sm btn-danger disabled:cursor-not-allowed disabled:opacity-50"
                                                >
                                                    Fjern
                                                </button>
                                            </div>
                                        </div>
                                        <div className="mt-4 overflow-hidden rounded-[1.5rem] border border-[#11280f]/8 bg-[#11280f]">
                                            <div className="aspect-[16/10]">
                                                {getValue('image_url', 'text') ? (
                                                    <img src={getValue('image_url', 'text')} alt={`${initialData.name} hovedbilde`} className="h-full w-full object-cover" />
                                                ) : (
                                                    <div className="flex h-full items-center justify-center px-6 text-center text-sm font-black uppercase tracking-[0.14em] text-white/70">
                                                        Ingen hovedbilde valgt
                                                    </div>
                                                )}
                                            </div>
                                        </div>
                                        <div className="mt-4 flex flex-col gap-2">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Bilde-URL</label>
                                            <input
                                                className="rounded-2xl border-2 border-gray-300 bg-white p-4 text-base font-bold text-black shadow-sm outline-none focus:border-[#8bc34a]"
                                                value={getValue('image_url', 'text')}
                                                onChange={e => handleChange('image_url', e.target.value)}
                                            />
                                        </div>
                                    </div>

                                    <div className="rounded-[1.75rem] border border-[#11280f]/10 bg-white p-5 shadow-sm">
                                        <div className="flex flex-wrap items-center justify-between gap-3">
                                            <div>
                                                <p className="text-[10px] font-black uppercase tracking-[0.18em] text-[#6A766C]">Logo</p>
                                                <p className="mt-1 text-sm text-[#536256]">Vises i baneprofilen når klubben har egen logo.</p>
                                            </div>
                                            <div className="flex flex-wrap gap-2">
                                                <button
                                                    type="button"
                                                    onClick={() => logoImageInputRef.current?.click()}
                                                    disabled={uploadingTarget === 'logo_url'}
                                                    className="btn btn-sm btn-secondary disabled:cursor-not-allowed disabled:opacity-50"
                                                >
                                                    {uploadingTarget === 'logo_url' ? 'Laster opp...' : 'Last opp'}
                                                </button>
                                                <button
                                                    type="button"
                                                    onClick={() => handleChange('logo_url', '')}
                                                    disabled={!getValue('logo_url', 'text')}
                                                    className="btn btn-sm btn-danger disabled:cursor-not-allowed disabled:opacity-50"
                                                >
                                                    Fjern
                                                </button>
                                            </div>
                                        </div>
                                        <div className="mt-4 overflow-hidden rounded-[1.5rem] border border-[#11280f]/8 bg-[#f6f7f3]">
                                            <div className="aspect-square max-w-[240px]">
                                                {getValue('logo_url', 'text') ? (
                                                    <img src={getValue('logo_url', 'text')} alt={`${initialData.name} logo`} className="h-full w-full object-contain p-4" />
                                                ) : (
                                                    <div className="flex h-full items-center justify-center px-6 text-center text-sm font-black uppercase tracking-[0.14em] text-[#11280f]/45">
                                                        Ingen logo valgt
                                                    </div>
                                                )}
                                            </div>
                                        </div>
                                        <div className="mt-4 flex flex-col gap-2">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Logo-URL</label>
                                            <input
                                                className="rounded-2xl border-2 border-gray-300 bg-white p-4 text-base font-bold text-black shadow-sm outline-none focus:border-[#8bc34a]"
                                                value={getValue('logo_url', 'text')}
                                                onChange={e => handleChange('logo_url', e.target.value)}
                                            />
                                        </div>
                                    </div>
                                </div>

                                <div className="mt-6 rounded-[1.75rem] border border-[#11280f]/10 bg-white p-5 shadow-sm">
                                    <div className="flex flex-wrap items-center justify-between gap-3">
                                        <div>
                                            <p className="text-[10px] font-black uppercase tracking-[0.18em] text-[#6A766C]">Galleri</p>
                                            <p className="mt-1 text-sm text-[#536256]">Bildene roteres i toppen av baneprofilen. Du kan endre rekkefølge, fjerne dem eller bruke et galleribilde som hovedbilde.</p>
                                        </div>
                                        <button
                                            type="button"
                                            onClick={() => galleryInputRef.current?.click()}
                                            disabled={uploadingTarget === 'gallery'}
                                            className="btn btn-sm btn-secondary disabled:cursor-not-allowed disabled:opacity-50"
                                        >
                                            {uploadingTarget === 'gallery' ? 'Laster opp...' : 'Last opp til galleri'}
                                        </button>
                                    </div>

                                    {galleryImages.length === 0 ? (
                                        <div className="mt-4 rounded-[1.5rem] border border-dashed border-[#11280f]/12 bg-[#F7F9F2] px-4 py-5 text-sm font-bold text-[#536256]">
                                            Ingen galleribilder lagt til ennå.
                                        </div>
                                    ) : (
                                        <div className="mt-4 grid gap-4">
                                            {galleryImages.map((url, index) => (
                                                <div key={`${url}-${index}`} className="rounded-[1.5rem] border border-[#112015]/8 bg-[#FCFDF9] p-4">
                                                    <div className="grid gap-4 lg:grid-cols-[220px,minmax(0,1fr)]">
                                                        <div className="overflow-hidden rounded-[1.25rem] border border-[#112015]/8 bg-[#112015]">
                                                            <div className="aspect-[4/3]">
                                                                <img src={url} alt={`${initialData.name} galleri ${index + 1}`} className="h-full w-full object-cover" />
                                                            </div>
                                                        </div>
                                                        <div className="space-y-4">
                                                            <div className="flex flex-wrap items-center justify-between gap-3">
                                                                <div>
                                                                    <p className="text-[10px] font-black uppercase tracking-[0.18em] text-[#6A766C]">Galleribilde {index + 1}</p>
                                                                    {getValue('image_url', 'text') === url ? (
                                                                        <p className="mt-1 text-sm font-black text-[#FF5722]">Brukes også som hovedbilde</p>
                                                                    ) : null}
                                                                </div>
                                                                <div className="flex flex-wrap gap-2">
                                                                    <button
                                                                        type="button"
                                                                        onClick={() => handleChange('image_url', url)}
                                                                        className="btn btn-sm btn-secondary"
                                                                    >
                                                                        Bruk som hovedbilde
                                                                    </button>
                                                                    <button
                                                                        type="button"
                                                                        onClick={() => moveGalleryImage(index, -1)}
                                                                        disabled={index === 0}
                                                                        className="btn btn-sm btn-secondary disabled:cursor-not-allowed disabled:opacity-50"
                                                                    >
                                                                        Opp
                                                                    </button>
                                                                    <button
                                                                        type="button"
                                                                        onClick={() => moveGalleryImage(index, 1)}
                                                                        disabled={index === galleryImages.length - 1}
                                                                        className="btn btn-sm btn-secondary disabled:cursor-not-allowed disabled:opacity-50"
                                                                    >
                                                                        Ned
                                                                    </button>
                                                                    <button
                                                                        type="button"
                                                                        onClick={() => removeGalleryImage(index)}
                                                                        className="btn btn-sm btn-danger"
                                                                    >
                                                                        Fjern
                                                                    </button>
                                                                </div>
                                                            </div>

                                                            <label className="flex flex-col gap-2">
                                                                <span className="text-[10px] font-black uppercase tracking-[0.18em] text-[#6A766C]">URL</span>
                                                                <input
                                                                    value={url}
                                                                    onChange={(event) => updateGalleryImage(index, event.target.value)}
                                                                    className="rounded-[1.1rem] border border-[#112015]/10 bg-white px-4 py-3 text-base text-[#112015] outline-none focus:border-[#8BC34A]"
                                                                />
                                                            </label>
                                                        </div>
                                                    </div>
                                                </div>
                                            ))}
                                        </div>
                                    )}
                                </div>
                            </div>

                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Nettside URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('website_url', 'text')} onChange={e => handleChange('website_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Golfbox Booking URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('golfbox_booking_url', 'text')} onChange={e => handleChange('golfbox_booking_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Golfbox Turnering URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('golfbox_tournament_url', 'text')} onChange={e => handleChange('golfbox_tournament_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Baneguide URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('baneguide_url', 'text')} onChange={e => handleChange('baneguide_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Flyfoto URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('flyfoto_url', 'text')} onChange={e => handleChange('flyfoto_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Vær URL (YR)</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('weather_url', 'text')} onChange={e => handleChange('weather_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Webkamera URL</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('webcam_url', 'text')} onChange={e => handleChange('webcam_url', e.target.value)} /></div>
                            <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Video URL (YouTube/Vimeo)</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('video_url', 'text')} onChange={e => handleChange('video_url', e.target.value)} /></div>
                            
                            <ListObjectEditor 
                                label="Sosiale Medier (Legg inn f.eks facebook, instagram, linkedin)" 
                                value={formData.social_links} 
                                templateKeys={['platform', 'url']} 
                                onChange={(v) => handleChange('social_links', v)} 
                            />
                        </div>
                    )}

                    {activeTab === 'okonomi' && (
                        <div className="flex flex-col">
                            {/* MEDLEMSKAP */}
                            <div className="bg-gray-100 p-6 rounded-2xl mb-8 border border-gray-200">
                                <h3 className="font-black uppercase tracking-widest text-gray-800 mb-6 pb-2 border-b-2 border-gray-200">Medlemskap</h3>
                                <div className="flex flex-col gap-2 mb-8">
                                    <label className="text-xs font-black uppercase tracking-widest text-gray-600">Sist Oppdatert (Dato)</label>
                                    <input type="date" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none w-max" value={getValue('membership_updated_at', 'date')} onChange={e => handleChange('membership_updated_at', e.target.value)} />
                                </div>
                                <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Navn på standard medlemskap</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('navn_standard_medlemskap', 'text')} onChange={e => handleChange('navn_standard_medlemskap', e.target.value)} /></div>
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Pris standard (kun tall)</label><input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('standard_medlemskap', 'number')} onChange={e => handleChange('standard_medlemskap', Number(e.target.value))} /></div>
                                    <div className="flex flex-col gap-2 mb-8 col-span-1 md:col-span-2"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Kommentar standard</label><textarea className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base shadow-sm focus:border-[#8bc34a] outline-none" rows={2} value={getValue('standard_medlemskap_kommentarer', 'textarea')} onChange={e => handleChange('standard_medlemskap_kommentarer', e.target.value)} /></div>
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Navn på rimeligste</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('navn_rimeligste_alternativ', 'text')} onChange={e => handleChange('navn_rimeligste_alternativ', e.target.value)} /></div>
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Pris rimeligste (kun tall)</label><input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('rimeligste_alternativ', 'number')} onChange={e => handleChange('rimeligste_alternativ', Number(e.target.value))} /></div>
                                    <div className="flex flex-col gap-2 mb-8 col-span-1 md:col-span-2"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Lenke til medlemskapsside</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('medlemskap_url', 'text')} onChange={e => handleChange('medlemskap_url', e.target.value)} /></div>
                                </div>
                            </div>
                            
                            {/* GREENFEE */}
                            <div className="bg-gray-100 p-6 rounded-2xl border border-gray-200 mb-8">
                                <h3 className="font-black uppercase tracking-widest text-gray-800 mb-6 pb-2 border-b-2 border-gray-200">Greenfee / Gjestespill</h3>
                                <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Lenke til Greenfee-side</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('greenfee_url', 'text')} onChange={e => handleChange('greenfee_url', e.target.value)} /></div>
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Krav til Gjestespill (f.eks Klubbhandicap)</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('guest_requirements', 'text')} onChange={e => handleChange('guest_requirements', e.target.value)} /></div>
                                </div>
                                <MultiSelect 
                                    label="Samarbeidende Klubber (Gjestespill etc.)" 
                                    options={allFacilities.filter(f => f.id !== initialData.id)} 
                                    selected={coopClubs} 
                                    onChange={(val) => {
                                        setCoopClubs(val);
                                        handleChange('cooperating_clubs', val);
                                    }} 
                                />
                                <ListObjectEditor 
                                    label="Greenfee Priser (Legg til rader for Voksen/Junior etc)" 
                                    value={formData.greenfee} 
                                    templateKeys={['banenavn', 'priskategori', 'pris_voksne', 'pris_junior']} 
                                    onChange={(v) => handleChange('greenfee', v)} 
                                />
                            </div>

                            {/* VEIEN TIL GOLF (VTG) */}
                            <div className="bg-[#8bc34a]/10 p-6 rounded-2xl border border-[#8bc34a]/30 mb-8">
                                <h3 className="font-black uppercase tracking-widest text-[#11280f] mb-6 pb-2 border-b-2 border-[#8bc34a]/20">Veien til Golf (VTG)</h3>
                                <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Pris VTG kurs (kun tall)</label><input type="number" className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('vtg_pris', 'number')} onChange={e => handleChange('vtg_pris', Number(e.target.value))} /></div>
                                    <div className="flex flex-col gap-2 mb-8"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Lenke til VTG påmelding</label><input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('vtg_lenke', 'text')} onChange={e => handleChange('vtg_lenke', e.target.value)} /></div>
                                    <div className="flex flex-col gap-2 mb-8 col-span-1 md:col-span-2"><label className="text-xs font-black uppercase tracking-widest text-gray-600">Beskrivelse / Hva er inkludert</label><textarea className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base shadow-sm focus:border-[#8bc34a] outline-none" rows={3} value={getValue('vtg_beskrivelse', 'textarea')} onChange={e => handleChange('vtg_beskrivelse', e.target.value)} /></div>
                                </div>
                                <ListObjectEditor 
                                    label="Kursdatoer" 
                                    value={formData.vtg_datoer} 
                                    templateKeys={['dato', 'status']} 
                                    onChange={(v) => handleChange('vtg_datoer', v)} 
                                />
                            </div>
                            
                            <div className="mt-8 border-t-2 border-gray-200 pt-8">
                                <KeyValueEditor label="Fasiliteter (Proshop, Kafé etc.)" value={formData.amenities} onChange={(v) => handleChange('amenities', v)} />
                                <div className="flex flex-col gap-4 mb-8 bg-gray-100 p-6 md:p-8 rounded-[2rem] border border-gray-200 shadow-sm">
                                    <label className="text-sm font-black uppercase tracking-widest text-[#11280f]">Norsk Seniorgolf (NSG)</label>
                                    <div className="flex flex-col gap-2">
                                        <label className="text-xs font-black uppercase tracking-widest text-gray-600">NSG URL</label>
                                        <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('nsg_url', 'text')} onChange={e => handleChange('nsg_url', e.target.value)} />
                                    </div>
                                    <KeyValueEditor label="NSG Info" value={formData.nsg_data} onChange={(v) => handleChange('nsg_data', v)} />
                                </div>
                                <div className="flex flex-col gap-4 mb-8 bg-gray-100 p-6 md:p-8 rounded-[2rem] border border-gray-200 shadow-sm">
                                    <label className="text-sm font-black uppercase tracking-widest text-[#11280f]">Golfamore</label>
                                    <div className="flex flex-col gap-2">
                                        <label className="text-xs font-black uppercase tracking-widest text-gray-600">Golfamore URL</label>
                                        <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('golfamore_url', 'text')} onChange={e => handleChange('golfamore_url', e.target.value)} />
                                    </div>
                                    <KeyValueEditor label="Golfamore Info" value={formData.golfamore_data} onChange={(v) => handleChange('golfamore_data', v)} />
                                </div>
                                <div className="flex flex-col gap-2 mb-8">
                                    <label className="text-xs font-black uppercase tracking-widest text-gray-600">Lenke til Golfpakker-side</label>
                                    <input className="p-4 rounded-2xl border-2 border-gray-300 bg-white text-black text-base font-bold shadow-sm focus:border-[#8bc34a] outline-none" value={getValue('golfpakker_url', 'text')} onChange={e => handleChange('golfpakker_url', e.target.value)} placeholder="Tomt felt bruker ordinær nettside som fallback" />
                                </div>
                                
                                {/* HER ER GOLFPAKKENE SOM JEG MISTET I FORRIGE RUNDE */}
                                <ListObjectEditor 
                                    label="Golfpakker" 
                                    value={formData.golfpakker} 
                                    templateKeys={['navn', 'pris', 'beskrivelse', 'lenke']} 
                                    onChange={(v) => handleChange('golfpakker', v)} 
                                />
                            </div>
                        </div>
                    )}

                    {activeTab === 'baner' && (
                        <div className="flex flex-col gap-8">
                            <div className="bg-[#f1f7ed] p-6 rounded-2xl border-2 border-[#7ca982] mb-4">
                                <h3 className="font-black text-[#11280f] text-lg uppercase tracking-widest mb-2">Baner og Scorekort</h3>
                                <p className="text-sm text-gray-800 font-medium">Bruk det interaktive skjemaet under for å redigere lengder, par og utslag.</p>
                            </div>
                            
                            {formData.courses?.map((course: any, cIdx: number) => (
                                <div key={course.id || cIdx} className="bg-gray-100 p-8 rounded-[2rem] border-2 border-gray-200 shadow-sm mb-8">
                                    <div className="flex flex-col md:flex-row justify-between items-start md:items-center mb-8 gap-4 border-b-2 border-gray-200 pb-4">
                                        <h4 className="text-2xl font-black text-black">{course.name}</h4>
                                        <span className={`px-4 py-2 rounded-xl text-xs font-black uppercase tracking-widest ${course.is_main_course ? 'bg-[#8bc34a] text-white shadow-md' : 'bg-gray-300 text-gray-700'}`}>
                                            {course.is_main_course ? 'Hovedbane' : 'Sekundærbane'}
                                        </span>
                                    </div>
                                    
                                    <div className="grid grid-cols-1 md:grid-cols-2 gap-x-8">
                                        <div className="flex flex-col gap-2 mb-6">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Banenavn</label>
                                            <input className="p-4 rounded-2xl border-2 border-gray-300 focus:border-[#8bc34a] outline-none font-bold text-black bg-white text-base shadow-sm" value={course.name || ""} onChange={e => {
                                                const newCourses = [...formData.courses];
                                                newCourses[cIdx] = {...course, name: e.target.value};
                                                handleChange('courses', newCourses);
                                            }} />
                                        </div>
                                        <div className="flex flex-col gap-2 mb-6">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Status</label>
                                            <select className="p-4 rounded-2xl border-2 border-gray-300 focus:border-[#8bc34a] outline-none font-bold text-black bg-white text-base shadow-sm" value={course.status || "ukjent"} onChange={e => {
                                                const newCourses = [...formData.courses];
                                                newCourses[cIdx] = {...course, status: e.target.value};
                                                handleChange('courses', newCourses);
                                            }}>
                                                <option value="aapen">🟢 Åpen</option>
                                                <option value="aapen_med_vintergreener">🟡 Vintergreener</option>
                                                <option value="aapner_snart">🟡 Åpner Snart</option>
                                                <option value="stengt">🔴 Stengt</option>
                                                <option value="nedlagt">⚫ Nedlagt</option>
                                                <option value="ukjent">⚪ Ukjent</option>
                                            </select>
                                        </div>
                                        <div className="flex flex-col gap-2 mb-6">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Total Par (Bane)</label>
                                            <input type="number" className="p-4 rounded-2xl border-2 border-gray-300 focus:border-[#8bc34a] outline-none font-bold text-black bg-white text-base shadow-sm" value={course.par || ""} onChange={e => {
                                                const newCourses = [...formData.courses];
                                                newCourses[cIdx] = {...course, par: Number(e.target.value)};
                                                handleChange('courses', newCourses);
                                            }} />
                                        </div>
                                        <div className="flex flex-col gap-2 mb-6">
                                            <label className="text-xs font-black uppercase tracking-widest text-gray-600">Utløpsdato Slope</label>
                                            <input type="date" className="p-4 rounded-2xl border-2 border-gray-300 focus:border-[#8bc34a] outline-none font-bold text-black bg-white text-base shadow-sm" value={course.slope_valid_until ? course.slope_valid_until.split('T')[0] : ""} onChange={e => {
                                                const newCourses = [...formData.courses];
                                                newCourses[cIdx] = {...course, slope_valid_until: e.target.value};
                                                handleChange('courses', newCourses);
                                            }} />
                                        </div>
                                    </div>
                                    
                                    {/* DET NYE SCOREKORTET INKLUDERES HER */}
                                    <ScorecardBuilder 
                                        course={course} 
                                        onChange={(updatedCourse) => {
                                            const newCourses = [...formData.courses];
                                            newCourses[cIdx] = updatedCourse;
                                            handleChange('courses', newCourses);
                                        }} 
                                    />
                                </div>
                            ))}
                        </div>
                    )}
                </div>
            </div>
        </div>
    );
}