"use client";


import React, { useState, useEffect, useMemo, Suspense } from 'react';
import { useSearchParams } from 'next/navigation';
import { Search } from 'lucide-react';
import { MOCK_BUSINESSES } from '../../lib/mockData';
import { CATEGORIES } from '../../types';
import BusinessCard from '../../components/BusinessCard';
import DirectoryHero from '../../components/DirectoryHero';

const DirectoryPageContent = () => {
    const [filterCategory, setFilterCategory] = useState('All');
    const [searchQuery, setSearchQuery] = useState('');
    const searchParams = useSearchParams();

    useEffect(() => {
        const q = searchParams.get('q');
        if (q) setSearchQuery(q);
    }, [searchParams]);

    const featuredBusiness = useMemo(() => {
        return MOCK_BUSINESSES.find(b => b.isFeatured);
    }, []);

    const filteredBusinesses = useMemo(() => {
        return MOCK_BUSINESSES.filter(b => {
            const matchesCategory = filterCategory === 'All' || b.category === filterCategory;
            const matchesSearch = b.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
                b.description.toLowerCase().includes(searchQuery.toLowerCase()) ||
                b.tags.some(t => t.toLowerCase().includes(searchQuery.toLowerCase()));
            return matchesCategory && matchesSearch;
        });
    }, [filterCategory, searchQuery]);

    return (
        <div>
            {/* New Hero Section */}
            {featuredBusiness && <DirectoryHero featuredBusiness={featuredBusiness} />}

            <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
                <div className="flex flex-col md:flex-row gap-8">
                    {/* Filters Sidebar */}
                    <div className="w-full md:w-64 flex-shrink-0">
                        <div className="bg-white p-6 rounded-xl shadow-sm border border-gray-100 sticky top-24">
                            <h3 className="font-bold text-lg mb-4 flex items-center"><Search className="w-4 h-4 mr-2" /> Filtres</h3>

                            <div className="mb-6">
                                <label className="block text-sm font-medium text-gray-700 mb-2">Recherche</label>
                                <input
                                    type="text"
                                    value={searchQuery}
                                    onChange={(e) => setSearchQuery(e.target.value)}
                                    className="w-full border-gray-300 rounded-md shadow-sm focus:ring-brand-500 focus:border-brand-500 sm:text-sm p-2 border"
                                    placeholder="Nom, mot-clé..."
                                />
                            </div>

                            <div className="mb-6">
                                <label className="block text-sm font-medium text-gray-700 mb-2">Catégorie</label>
                                <div className="space-y-2">
                                    <div className="flex items-center">
                                        <input
                                            id="cat-all"
                                            name="category"
                                            type="radio"
                                            checked={filterCategory === 'All'}
                                            onChange={() => setFilterCategory('All')}
                                            className="focus:ring-brand-500 h-4 w-4 text-brand-600 border-gray-300"
                                        />
                                        <label htmlFor="cat-all" className="ml-3 text-sm text-gray-600">Toutes</label>
                                    </div>
                                    {CATEGORIES.map(cat => (
                                        <div key={cat} className="flex items-center">
                                            <input
                                                id={`cat-${cat}`}
                                                name="category"
                                                type="radio"
                                                checked={filterCategory === cat}
                                                onChange={() => setFilterCategory(cat)}
                                                className="focus:ring-brand-500 h-4 w-4 text-brand-600 border-gray-300"
                                            />
                                            <label htmlFor={`cat-${cat}`} className="ml-3 text-sm text-gray-600 truncate" title={cat}>{cat}</label>
                                        </div>
                                    ))}
                                </div>
                            </div>
                        </div>
                    </div>

                    {/* Results Grid */}
                    <div className="flex-1">
                        <div className="mb-4 flex justify-between items-center">
                            <h1 className="text-2xl font-bold font-serif text-gray-900">Annuaire des entreprises</h1>
                            <span className="text-sm text-gray-500">{filteredBusinesses.length} résultats</span>
                        </div>

                        {filteredBusinesses.length > 0 ? (
                            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                                {filteredBusinesses.map(biz => (
                                    <BusinessCard key={biz.id} business={biz} />
                                ))}
                            </div>
                        ) : (
                            <div className="text-center py-20 bg-white rounded-xl border border-gray-100 border-dashed">
                                <div className="mx-auto h-12 w-12 text-gray-400">
                                    <Search className="h-12 w-12" />
                                </div>
                                <h3 className="mt-2 text-sm font-medium text-gray-900">Aucun résultat</h3>
                                <p className="mt-1 text-sm text-gray-500">Essayez d'ajuster vos filtres de recherche.</p>
                            </div>
                        )}
                    </div>
                </div>
            </div>
        </div>
    );
};

const DirectoryPage = () => {
    return (
        <Suspense fallback={<div className="min-h-screen flex items-center justify-center">Chargement...</div>}>
            <DirectoryPageContent />
        </Suspense>
    );
};

export default DirectoryPage;