@extends('layouts.app')

@section('title', $city->name . ', ' . $city->country)

@section('content')
<!-- Hero Header -->
<div class="relative bg-gradient-to-br from-indigo-600 via-purple-600 to-pink-500 text-white overflow-hidden">
    @if($city->image_url)
        <img src="{{ $city->image_url }}" alt="{{ $city->name }}" class="absolute inset-0 w-full h-full object-cover">
        <div class="absolute inset-0 bg-black bg-opacity-40"></div>
    @elseif($city->thumbnail_url)
        <img src="{{ $city->thumbnail_url }}" alt="{{ $city->name }}" class="absolute inset-0 w-full h-full object-cover">
        <div class="absolute inset-0 bg-black bg-opacity-40"></div>
    @else
        <div class="absolute inset-0 opacity-10">
            <div class="absolute top-0 right-1/4 w-96 h-96 bg-white rounded-full mix-blend-overlay filter blur-3xl"></div>
        </div>
    @endif

    <div class="relative max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
        <div class="flex items-center justify-between">
            <div>
                <h1 class="text-5xl md:text-6xl font-bold mb-3 drop-shadow-lg">{{ $city->name }}</h1>
                <p class="text-2xl text-purple-100 mb-4 drop-shadow-md">{{ $city->country }}</p>

                @if($city->wikipedia_url)
                <a href="{{ $city->wikipedia_url }}" target="_blank" class="inline-flex items-center px-6 py-3 bg-white text-purple-600 rounded-lg font-semibold hover:bg-purple-50 transition-all duration-200 shadow-lg hover:shadow-xl transform hover:-translate-y-0.5">
                    <span>View on Wikipedia</span>
                    <svg class="w-5 h-5 ml-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14"></path>
                    </svg>
                </a>
                @endif
            </div>
        </div>
    </div>
</div>

<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-12">
    <!-- City Summary -->
    @if($city->wikipedia_summary)
    <div class="bg-gradient-to-br from-white to-gray-50 rounded-2xl shadow-xl p-8 mb-12 border border-gray-100">
        <div class="flex items-center mb-6">
            <div class="w-1 h-8 bg-gradient-to-b from-purple-500 to-pink-500 rounded-full mr-4"></div>
            <h2 class="text-3xl font-bold text-gray-900">About {{ $city->name }}</h2>
        </div>
        <p class="text-gray-700 text-lg leading-relaxed">{{ $city->wikipedia_summary }}</p>
    </div>
    @endif

    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8">
        <!-- Map -->
        <div class="lg:col-span-2">
            <div class="bg-white rounded-2xl shadow-xl overflow-hidden border border-gray-100">
                <div class="px-6 py-5 bg-gradient-to-r from-purple-50 to-pink-50 border-b border-gray-200">
                    <div class="flex items-center">
                        <div class="w-1 h-6 bg-gradient-to-b from-purple-500 to-pink-500 rounded-full mr-3"></div>
                        <h2 class="text-2xl font-bold text-gray-900">Map & Attractions</h2>
                    </div>
                </div>
                <div
                    x-data="cityMap({{ $city->latitude }}, {{ $city->longitude }}, '{{ $city->slug }}')"
                    x-init="initMap()"
                    id="map"
                    class="h-[500px]"
                ></div>
            </div>
        </div>

        <!-- Attractions List -->
        <div class="lg:col-span-1">
            <div class="bg-white rounded-2xl shadow-xl overflow-hidden border border-gray-100">
                <div class="px-6 py-5 bg-gradient-to-r from-indigo-50 to-purple-50 border-b border-gray-200">
                    <div class="flex items-center justify-between">
                        <div class="flex items-center">
                            <div class="w-1 h-6 bg-gradient-to-b from-indigo-500 to-purple-500 rounded-full mr-3"></div>
                            <h2 class="text-2xl font-bold text-gray-900">Attractions</h2>
                        </div>
                        <span class="px-3 py-1 bg-purple-100 text-purple-700 rounded-full text-sm font-semibold">{{ $city->attractions->count() }}</span>
                    </div>
                </div>

                <div x-data="attractionsList('{{ $city->slug }}')" x-init="loadAttractions()">
                    <!-- Category Filter -->
                    <div class="p-5 border-b border-gray-200 bg-gray-50">
                        <label class="block text-sm font-semibold text-gray-700 mb-2">Filter by Category</label>
                        <select
                            x-model="selectedCategory"
                            @change="filterAttractions()"
                            :disabled="loading"
                            class="w-full px-4 py-3 border-2 border-gray-200 rounded-xl focus:outline-none focus:ring-2 focus:ring-purple-500 focus:border-transparent disabled:bg-gray-100 disabled:cursor-not-allowed transition-all duration-200"
                        >
                            <option value="">All Categories</option>
                            <option value="museum">Museums</option>
                            <option value="restaurant">Restaurants</option>
                            <option value="historic">Historic</option>
                            <option value="park">Parks</option>
                            <option value="cultural">Cultural</option>
                            <option value="entertainment">Entertainment</option>
                        </select>
                    </div>

                    <!-- Attractions List -->
                    <div class="divide-y divide-gray-100 max-h-[500px] overflow-y-auto">
                        <template x-for="attraction in filteredAttractions" :key="attraction.id">
                            <div class="p-5 hover:bg-gradient-to-r hover:from-purple-50 hover:to-pink-50 cursor-pointer transition-all duration-200 group" @click="highlightAttraction(attraction)">
                                <h3 class="font-bold text-gray-900 group-hover:text-purple-600 transition-colors duration-200" x-text="attraction.name"></h3>
                                <div class="flex items-center gap-2 mt-2">
                                    <span class="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-semibold bg-gray-100 text-gray-700 capitalize" x-text="attraction.category"></span>
                                    <template x-if="attraction.rating">
                                        <span class="inline-flex items-center text-sm font-semibold text-yellow-600">
                                            ★ <span x-text="attraction.rating" class="ml-0.5"></span>
                                        </span>
                                    </template>
                                </div>
                            </div>
                        </template>

                        <!-- Loading State -->
                        <div x-show="loading" class="p-12 text-center">
                            <div class="inline-flex flex-col items-center gap-3">
                                <svg class="animate-spin h-8 w-8 text-purple-600" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                                    <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                                    <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                                </svg>
                                <span class="text-gray-600 font-medium">Loading attractions...</span>
                            </div>
                        </div>

                        <!-- Empty State -->
                        <div x-show="!loading && filteredAttractions.length === 0" class="p-12 text-center text-gray-500">
                            <div class="inline-flex items-center justify-center w-16 h-16 bg-gray-100 rounded-full mb-4">
                                <svg class="h-8 w-8 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z"></path>
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 11a3 3 0 11-6 0 3 3 0 016 0z"></path>
                                </svg>
                            </div>
                            <p class="font-semibold text-gray-700 mb-1">No attractions found</p>
                            <p class="text-sm">Try selecting a different category</p>
                        </div>

                        <!-- Pagination Controls -->
                        <div x-show="!loading && pagination.last_page > 1" class="p-5 border-t border-gray-200 bg-gradient-to-r from-gray-50 to-purple-50">
                            <div class="flex items-center justify-between">
                                <button
                                    @click="loadPage(pagination.current_page - 1)"
                                    :disabled="pagination.current_page === 1"
                                    class="px-4 py-2 text-sm font-semibold border-2 border-purple-200 text-purple-600 rounded-lg hover:bg-purple-50 hover:border-purple-300 disabled:opacity-50 disabled:cursor-not-allowed transition-all duration-200"
                                >
                                    Previous
                                </button>
                                <span class="text-sm font-semibold text-gray-700">
                                    Page <span x-text="pagination.current_page" class="text-purple-600"></span> of <span x-text="pagination.last_page" class="text-purple-600"></span>
                                </span>
                                <button
                                    @click="loadPage(pagination.current_page + 1)"
                                    :disabled="pagination.current_page === pagination.last_page"
                                    class="px-4 py-2 text-sm font-semibold border-2 border-purple-200 text-purple-600 rounded-lg hover:bg-purple-50 hover:border-purple-300 disabled:opacity-50 disabled:cursor-not-allowed transition-all duration-200"
                                >
                                    Next
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

@push('scripts')
<script>
    function cityMap(lat, lon, citySlug) {
        return {
            map: null,
            markers: [],
            allAttractions: [],
            selectedCategory: '',

            // Define colors and icons for each category
            categoryColors: {
                museum: '#8B4513',      // Brown
                restaurant: '#FF6347',  // Tomato
                historic: '#4169E1',    // Royal Blue
                park: '#228B22',        // Forest Green
                cultural: '#9370DB',    // Medium Purple
                entertainment: '#FF1493', // Deep Pink
                other: '#808080'        // Gray
            },

            categoryIcons: {
                museum: '🏛️',          // Museum emoji
                restaurant: '🍽️',      // Restaurant emoji
                historic: '🏰',        // Castle emoji
                park: '🌳',            // Tree emoji
                cultural: '🎭',        // Theater emoji
                entertainment: '🎪',   // Circus tent emoji
                other: '📍'            // Pin emoji
            },

            initMap() {
                // Initialize Leaflet map
                this.map = L.map('map').setView([lat, lon], 13);

                // Add OpenStreetMap tiles
                L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
                    attribution: '© OpenStreetMap contributors'
                }).addTo(this.map);

                // Add city marker (star icon for the city)
                const cityIcon = L.divIcon({
                    html: '<div style="font-size: 24px;">⭐</div>',
                    className: 'city-marker',
                    iconSize: [24, 24],
                    iconAnchor: [12, 12]
                });

                L.marker([lat, lon], { icon: cityIcon })
                    .addTo(this.map)
                    .bindPopup('<b>{{ $city->name }}</b>')
                    .openPopup();

                // Load and display attractions
                this.loadAttractions();

                // Listen for category filter events
                window.addEventListener('filter-category', (e) => {
                    this.filterAttractions(e.detail.category);
                });

                // Listen for highlight attraction events from the list
                window.addEventListener('highlight-attraction', (e) => {
                    const attraction = e.detail.attraction;
                    // Find the corresponding marker
                    const marker = this.markers.find(m =>
                        Math.abs(m.getLatLng().lat - attraction.latitude) < 0.0001 &&
                        Math.abs(m.getLatLng().lng - attraction.longitude) < 0.0001
                    );
                    if (marker) {
                        this.map.setView([attraction.latitude, attraction.longitude], 16);
                        marker.openPopup();
                    }
                });
            },

            createMarkerIcon(category) {
                const icon = this.categoryIcons[category] || this.categoryIcons.other;
                const color = this.categoryColors[category] || this.categoryColors.other;
                return L.divIcon({
                    html: `<div style="font-size: 20px; background-color: white; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; border: 2px solid ${color}; box-shadow: 0 2px 6px rgba(0,0,0,0.3);">${icon}</div>`,
                    className: '',
                    iconSize: [28, 28],
                    iconAnchor: [14, 14],
                    popupAnchor: [0, -14]
                });
            },

            async loadAttractions() {
                try {
                    const response = await fetch(`/api/cities/${citySlug}/attractions?limit=100`);
                    const data = await response.json();

                    // Handle both paginated and non-paginated responses
                    this.allAttractions = data.data || data;

                    // Display all attractions on map
                    this.displayAttractions(this.allAttractions);
                } catch (error) {
                    console.error('Error loading attractions:', error);
                }
            },

            displayAttractions(attractions) {
                // Clear existing markers
                this.markers.forEach(marker => this.map.removeLayer(marker));
                this.markers = [];

                // Add new markers
                attractions.forEach(attraction => {
                    const icon = this.createMarkerIcon(attraction.category);
                    const marker = L.marker([attraction.latitude, attraction.longitude], { icon })
                        .addTo(this.map)
                        .bindPopup(`
                            <div class="p-2">
                                <b>${attraction.name}</b><br>
                                <span class="text-sm capitalize" style="color: ${this.categoryColors[attraction.category] || this.categoryColors.other}">${attraction.category}</span>
                                ${attraction.rating ? `<br><span class="text-yellow-600">★ ${attraction.rating}</span>` : ''}
                            </div>
                        `);

                    // Store category with marker for filtering
                    marker.category = attraction.category;
                    this.markers.push(marker);
                });
            },

            filterAttractions(category) {
                this.selectedCategory = category;

                if (!category) {
                    // Show all markers
                    this.markers.forEach(marker => {
                        if (!this.map.hasLayer(marker)) {
                            marker.addTo(this.map);
                        }
                    });
                } else {
                    // Show only markers matching the category
                    this.markers.forEach(marker => {
                        if (marker.category === category) {
                            if (!this.map.hasLayer(marker)) {
                                marker.addTo(this.map);
                            }
                        } else {
                            if (this.map.hasLayer(marker)) {
                                this.map.removeLayer(marker);
                            }
                        }
                    });
                }
            }
        }
    }

    function attractionsList(citySlug) {
        return {
            attractions: [],
            filteredAttractions: [],
            selectedCategory: '',
            loading: false,
            currentPage: 1,
            pagination: {
                current_page: 1,
                last_page: 1,
                per_page: 20,
                total: 0
            },

            async loadAttractions(page = 1) {
                this.loading = true;

                try {
                    let url = `/api/cities/${citySlug}/attractions?page=${page}`;
                    if (this.selectedCategory) {
                        url += `&category=${this.selectedCategory}`;
                    }

                    const response = await fetch(url);
                    const data = await response.json();

                    // Handle paginated response
                    if (data.data) {
                        this.filteredAttractions = data.data;
                        this.pagination = {
                            current_page: data.current_page || 1,
                            last_page: data.last_page || 1,
                            per_page: data.per_page || 20,
                            total: data.total || 0
                        };
                    } else {
                        // Handle non-paginated response (fallback)
                        this.filteredAttractions = data;
                    }
                } catch (error) {
                    console.error('Error loading attractions:', error);
                    this.filteredAttractions = [];
                } finally {
                    this.loading = false;
                }
            },

            async filterAttractions() {
                await this.loadAttractions(1);

                // Notify the map to filter attractions
                window.dispatchEvent(new CustomEvent('filter-category', {
                    detail: { category: this.selectedCategory }
                }));
            },

            async loadPage(page) {
                if (page >= 1 && page <= this.pagination.last_page) {
                    await this.loadAttractions(page);
                }
            },

            highlightAttraction(attraction) {
                // Dispatch event to highlight marker on map
                window.dispatchEvent(new CustomEvent('highlight-attraction', {
                    detail: { attraction }
                }));
            }
        }
    }
</script>
@endpush
@endsection