'use client';

import React from 'react';
import Link from 'next/link';
import { ChevronLeft, Calendar, Award, Droplets, MapPin, Tag, ExternalLink, Package, Info, Loader2, WifiOff } from 'lucide-react';
import { getStorageUrl } from '@/lib/supabase';
import TastingNoteForm from '@/components/TastingNoteForm';
import TastingList from '@/components/TastingList';
import DeleteBottleButton from '@/components/DeleteBottleButton';
import EditBottleForm from '@/components/EditBottleForm';
import { useBottleData } from '@/hooks/useBottleData';
import { useI18n } from '@/i18n/I18nContext';

interface BottleDetailsProps {
    bottleId: string;
    sessionId?: string;
    userId?: string;
}

export default function BottleDetails({ bottleId, sessionId, userId }: BottleDetailsProps) {
    const { t } = useI18n();
    const { bottle, tastings, loading, error, isOffline } = useBottleData(bottleId);

    if (loading) {
        return (
            <div className="min-h-[60vh] flex flex-col items-center justify-center gap-4">
                <Loader2 size={48} className="animate-spin text-amber-600" />
                <p className="text-zinc-500 font-bold animate-pulse uppercase tracking-widest text-xs">{t('common.loading')}</p>
            </div>
        );
    }

    if (!bottle && !loading) {
        return (
            <div className="min-h-[60vh] flex flex-col items-center justify-center gap-6 p-6 text-center">
                <div className="w-20 h-20 bg-zinc-100 dark:bg-zinc-900 rounded-full flex items-center justify-center text-zinc-400">
                    <WifiOff size={40} />
                </div>
                <div>
                    <h2 className="text-xl font-black text-zinc-900 dark:text-white mb-2">Flasche nicht verfügbar</h2>
                    <p className="text-zinc-500 text-sm max-w-xs mx-auto">
                        Inhalte konnten nicht geladen werden. Bitte stelle eine Internetverbindung her, um diese Flasche zum ersten Mal zu laden.
                    </p>
                </div>
                <Link href="/" className="px-6 py-3 bg-amber-600 text-white rounded-2xl text-sm font-black uppercase tracking-widest shadow-xl shadow-amber-600/20">
                    Zurück zum Vault
                </Link>
            </div>
        );
    }

    if (!bottle) return null; // Should not happen due to check above

    return (
        <div className="max-w-4xl mx-auto space-y-6 md:space-y-12">
            {/* Back Button */}
            <Link
                href={`/${sessionId ? `?session_id=${sessionId}` : ''}`}
                className="inline-flex items-center gap-2 text-zinc-500 hover:text-amber-600 transition-colors font-medium mb-4"
            >
                <ChevronLeft size={20} />
                Zurück zur Sammlung
            </Link>

            {isOffline && (
                <div className="bg-amber-600/10 border border-amber-600/20 p-3 rounded-2xl flex items-center gap-3 animate-in fade-in slide-in-from-top-2">
                    <WifiOff size={16} className="text-amber-600" />
                    <p className="text-[10px] font-black uppercase tracking-widest text-amber-700">Offline-Modus: Daten aus dem Cache</p>
                </div>
            )}

            {/* Hero Section */}
            <section className="grid grid-cols-1 md:grid-cols-2 gap-8 items-start">
                <div className="aspect-[4/5] rounded-3xl overflow-hidden shadow-2xl border border-zinc-200 dark:border-zinc-800 bg-white dark:bg-zinc-900">
                    <img
                        src={getStorageUrl(bottle.image_url)}
                        alt={bottle.name}
                        className="w-full h-full object-cover"
                    />
                </div>

                <div className="space-y-6">
                    <div>
                        <h1 className="text-2xl md:text-4xl font-black text-zinc-900 dark:text-white tracking-tighter leading-tight">
                            {bottle.name}
                        </h1>
                        <p className="text-sm md:text-xl text-amber-600 font-bold mt-1 uppercase tracking-widest">{bottle.distillery}</p>

                        {bottle.whiskybase_id && (
                            <div className="mt-4">
                                <a
                                    href={`https://www.whiskybase.com/whiskies/whisky/${bottle.whiskybase_id}`}
                                    target="_blank"
                                    rel="noopener noreferrer"
                                    className="inline-flex items-center gap-2 px-4 py-2 bg-[#db0000] text-white rounded-xl text-sm font-bold shadow-lg shadow-red-600/20 hover:scale-[1.05] transition-transform"
                                >
                                    <ExternalLink size={16} />
                                    Whiskybase ID: {bottle.whiskybase_id}
                                </a>
                            </div>
                        )}
                    </div>

                    <div className="grid grid-cols-2 md:grid-cols-3 gap-4">
                        <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm flex flex-col justify-between">
                            <div>
                                <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                    <Tag size={12} /> Kategorie
                                </div>
                                <div className="font-bold text-sm dark:text-zinc-200">{bottle.category || '-'}</div>
                            </div>
                        </div>
                        <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm">
                            <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                <Droplets size={12} /> Alkoholgehalt
                            </div>
                            <div className="font-bold text-sm dark:text-zinc-200">{bottle.abv}% Vol.</div>
                        </div>
                        <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm">
                            <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                <Award size={12} /> Alter
                            </div>
                            <div className="font-bold text-sm dark:text-zinc-200">{bottle.age ? `${bottle.age} J.` : '-'}</div>
                        </div>

                        {bottle.distilled_at && (
                            <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm">
                                <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                    <Calendar size={12} /> Destilliert
                                </div>
                                <div className="font-bold text-sm dark:text-zinc-200">{bottle.distilled_at}</div>
                            </div>
                        )}

                        {bottle.bottled_at && (
                            <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm">
                                <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                    <Package size={12} /> Abgefüllt
                                </div>
                                <div className="font-bold text-sm dark:text-zinc-200">{bottle.bottled_at}</div>
                            </div>
                        )}

                        {bottle.batch_info && (
                            <div className="p-4 bg-zinc-50 dark:bg-zinc-800/30 rounded-2xl border border-dashed border-zinc-200 dark:border-zinc-700/50 md:col-span-1">
                                <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                    <Info size={12} /> Batch / Code
                                </div>
                                <div className="font-mono text-xs dark:text-zinc-300 truncate" title={bottle.batch_info}>{bottle.batch_info}</div>
                            </div>
                        )}

                        <div className="p-4 bg-white dark:bg-zinc-900 rounded-2xl border border-zinc-100 dark:border-zinc-800 shadow-sm">
                            <div className="flex items-center gap-2 text-zinc-400 text-[10px] font-black uppercase mb-1">
                                <Calendar size={12} /> Letzter Dram
                            </div>
                            <div className="font-bold text-sm dark:text-zinc-200">
                                {tastings && tastings.length > 0
                                    ? new Date(tastings[0].created_at).toLocaleDateString('de-DE')
                                    : 'Noch nie'}
                            </div>
                        </div>
                    </div>

                    <div className="pt-2 flex flex-wrap gap-4">
                        {isOffline ? (
                            <div className="w-full p-4 bg-zinc-100 dark:bg-zinc-800/50 border border-dashed border-zinc-200 dark:border-zinc-700 rounded-2xl flex items-center justify-center gap-2">
                                <Info size={14} className="text-zinc-400" />
                                <span className="text-[10px] font-black uppercase text-zinc-400 tracking-widest">Bearbeiten & Löschen nur online möglich</span>
                            </div>
                        ) : (
                            <>
                                <EditBottleForm bottle={bottle as any} />
                                <DeleteBottleButton bottleId={bottle.id} />
                            </>
                        )}
                    </div>
                </div>
            </section>

            <hr className="border-zinc-200 dark:border-zinc-800" />

            {/* Tasting Notes Section */}
            <section className="space-y-8">
                <div className="flex flex-col md:flex-row justify-between items-start md:items-end gap-4">
                    <div>
                        <h2 className="text-3xl font-black text-zinc-900 dark:text-white tracking-tight">Tasting Notes</h2>
                        <p className="text-zinc-500 mt-1">Hier findest du deine bisherigen Eindrücke.</p>
                    </div>
                </div>

                <div className="grid grid-cols-1 lg:grid-cols-3 gap-6 md:gap-8 items-start">
                    {/* Form */}
                    <div className="lg:col-span-1 border border-zinc-200 dark:border-zinc-800 rounded-3xl p-6 bg-white dark:bg-zinc-900/50 md:sticky md:top-24">
                        <h3 className="text-lg font-bold mb-6 flex items-center gap-2 text-amber-600">
                            <Droplets size={20} /> Dram bewerten
                        </h3>
                        <TastingNoteForm bottleId={bottle.id} sessionId={sessionId} />
                    </div>

                    {/* List */}
                    <div className="lg:col-span-2">
                        <TastingList initialTastings={tastings as any || []} currentUserId={userId} />
                    </div>
                </div>
            </section>
        </div>
    );
}