// Hotel data
const hotelData = [
    {
        "name": "Hotel Britannique",
        "address": "20 Av. Victoria, 75001 Paris",
        "rating": 4.6,
        "price_range": "€200-320",
        "arrondissement": "1st",
        "coordinates": [48.8567, 2.3471],
        "description": "Classic 19th-century hotel near Châtelet with theatrical red decor and excellent Metro access",
        "website": "https://hotel-britannique.fr",
        "amenities": ["Free WiFi", "Minibar", "Air Conditioning", "Elevator"]
    },
    {
        "name": "Hôtel Signature Saint Germain des Prés",
        "address": "5 Rue Chomel, 75007 Paris",
        "rating": 4.8,
        "price_range": "€220-290",
        "arrondissement": "7th",
        "coordinates": [48.8485, 2.3244],
        "description": "Chic boutique property in Saint-Germain with elegant, colorful rooms and vintage-chic lobby",
        "website": "http://www.signature-saintgermain.com",
        "amenities": ["Free WiFi", "Air Conditioning", "Buffet Breakfast", "24-hour Reception"]
    },
    {
        "name": "Paris France Hotel",
        "address": "72 R. de Turbigo, 75003 Paris",
        "rating": 4.7,
        "price_range": "€180-280",
        "arrondissement": "3rd",
        "coordinates": [48.8644, 2.3614],
        "description": "Traditional hotel with a cafe/bar and lounge in the heart of the Marais district",
        "website": "https://www.paris-france-hotel.com",
        "amenities": ["Free WiFi", "Café/Bar", "Lounge", "Optional Breakfast"]
    },
    {
        "name": "Hôtel Lenox Montparnasse",
        "address": "15 Rue Delambre, 75014 Paris",
        "rating": 4.5,
        "price_range": "€170-260",
        "arrondissement": "14th",
        "coordinates": [48.8427, 2.3269],
        "description": "Classic rooms & suites with warmly decorated honesty bar near Montparnasse",
        "website": "http://www.paris-hotel-lenox.com",
        "amenities": ["Free WiFi", "Honesty Bar", "Classic Decor", "Cozy Atmosphere"]
    },
    {
        "name": "Hôtel Caron de Beaumarchais",
        "address": "12 Rue Vieille du Temple, 75004 Paris",
        "rating": 4.6,
        "price_range": "€200-280",
        "arrondissement": "4th",
        "coordinates": [48.8572, 2.3598],
        "description": "18th-century lodging with antiques-filled rooms and private balconies in Le Marais",
        "website": "http://www.carondebeaumarchais.com",
        "amenities": ["Free WiFi", "Private Balconies", "Antique Furnishings", "18th Century Charm"]
    },
    {
        "name": "Hôtel Bourg Tibourg",
        "address": "19 Rue du Bourg Tibourg, 75004 Paris",
        "rating": 4.7,
        "price_range": "€250-300",
        "arrondissement": "4th",
        "coordinates": [48.8547, 2.3581],
        "description": "Lavish boutique hotel with opulent rooms and sophisticated dramatic atmosphere",
        "website": "https://www.bourgtibourg.com",
        "amenities": ["Free WiFi", "Opulent Decor", "Sophisticated Atmosphere", "Dramatic Design"]
    },
    {
        "name": "Hôtel de l'Abbaye Saint-Germain",
        "address": "10 Rue Cassette, 75006 Paris",
        "rating": 4.6,
        "price_range": "€280-300",
        "arrondissement": "6th",
        "coordinates": [48.8495, 2.3309],
        "description": "Refined hotel with plush lounges and garden, plus free WiFi & breakfast",
        "website": "https://www.hotelabbayeparis.com",
        "amenities": ["Free WiFi", "Garden", "Plush Lounges", "Breakfast Included"]
    },
    {
        "name": "Hotel Quartier Latin",
        "address": "9 Rue des Écoles, 75005 Paris",
        "rating": 4.3,
        "price_range": "€160-250",
        "arrondissement": "5th",
        "coordinates": [48.8490, 2.3468],
        "description": "Traditional hotel with simple rooms, minibars and breakfast buffet option",
        "website": "https://hotelquartierlatin.com",
        "amenities": ["Free WiFi", "Minibar", "Breakfast Buffet", "Traditional Decor"]
    },
    {
        "name": "CitizenM Paris Gare de Lyon",
        "address": "8 Rue Van Gogh, 75012 Paris",
        "rating": 4.4,
        "price_range": "€150-220",
        "arrondissement": "12th",
        "coordinates": [48.8448, 2.3732],
        "description": "Trendy budget hotel with compact rooms, ambient lighting and 24-hour cafe/bar",
        "website": "https://www.citizenm.com/hotels/europe/paris/gare-de-lyon-hotel",
        "amenities": ["24-hour Café/Bar", "Ambient Lighting", "Compact Design", "Modern Amenities"]
    },
    {
        "name": "Hôtel Migny Opéra-Montmartre",
        "address": "13 Rue Victor Massé, 75009 Paris",
        "rating": 4.1,
        "price_range": "€140-200",
        "arrondissement": "9th",
        "coordinates": [48.8810, 2.3375],
        "description": "Colorful rooms with satellite TV, casual breakfast area and lounge near Opéra",
        "website": "https://www.hotelmigny.com",
        "amenities": ["Free WiFi", "Satellite TV", "Breakfast Area", "LGBTQ+ Friendly"]
    },
    {
        "name": "Hôtel Saint-André des Arts",
        "address": "66 Rue Saint-André des Arts, 75006 Paris",
        "rating": 4.8,
        "price_range": "€180-280",
        "arrondissement": "6th",
        "coordinates": [48.8540, 2.3401],
        "description": "Boutique hotel in Saint-Germain with unique rooms and bar",
        "website": "https://www.saintandredesarts.com",
        "amenities": ["Bar", "Unique Rooms", "Saint-Germain Location", "Boutique Style"]
    },
    {
        "name": "Grand Hôtel des Gobelins",
        "address": "57 Bd Saint-Marcel, 75013 Paris",
        "rating": 4.1,
        "price_range": "€130-180",
        "arrondissement": "13th",
        "coordinates": [48.8375, 2.3556],
        "description": "Casual hotel with warmly furnished rooms and lobby bar",
        "website": "http://www.grandhotelgobelins.com",
        "amenities": ["Free WiFi", "Lobby Bar", "Warm Furnishings", "Relaxed Atmosphere"]
    },
    {
        "name": "Hotel Marignan",
        "address": "13 Rue du Sommerard, 75005 Paris",
        "rating": 4.1,
        "price_range": "€120-180",
        "arrondissement": "5th",
        "coordinates": [48.8504, 2.3445],
        "description": "Laid-back hotel with simple rooms, guest kitchen and library, plus free breakfast",
        "website": "http://www.hotel-marignan.com",
        "amenities": ["Free Breakfast", "Free WiFi", "Guest Kitchen", "Library"]
    },
    {
        "name": "Hôtel La Comtesse Tour Eiffel",
        "address": "29 Av. de Tourville, 75007 Paris",
        "rating": 4.6,
        "price_range": "€250-300",
        "arrondissement": "7th",
        "coordinates": [48.8548, 2.3078],
        "description": "Traditional hotel with classic rooms and Eiffel Tower views",
        "website": "http://www.comtesse-hotel.com",
        "amenities": ["Free WiFi", "Eiffel Tower Views", "Bar", "Traditional Decor"]
    },
    {
        "name": "Boutique Hôtel Mareuil Paris",
        "address": "51 Rue de Malte, 75011 Paris",
        "rating": 4.7,
        "price_range": "€200-280",
        "arrondissement": "11th",
        "coordinates": [48.8640, 2.3677],
        "description": "Hip property with modern rooms & suites, plus bar, hammam & exercise room",
        "website": "https://www.hotelmareuil.com/fr/",
        "amenities": ["Bar", "Hammam", "Exercise Room", "Modern Design"]
    },
    {
        "name": "Generator Paris",
        "address": "9-11 Pl. du Colonel Fabien, 75010 Paris",
        "rating": 4.1,
        "price_range": "€90-150",
        "arrondissement": "10th",
        "coordinates": [48.8772, 2.3711],
        "description": "Trendy hostel with stylish rooms & streamlined dorms, rooftop terrace & vibrant eatery",
        "website": "https://staygenerator.com/hostels/paris?lang=fr-FR",
        "amenities": ["Rooftop Terrace", "Restaurant", "Bar", "Budget-Friendly"]
    },
    {
        "name": "Hôtel Henriette",
        "address": "9 rue des Gobelins, 75013 Paris",
        "rating": 4.5,
        "price_range": "€130-180",
        "arrondissement": "13th",
        "coordinates": [48.8363, 2.3518],
        "description": "Stylish boutique hotel with subtly decorated rooms and courtyard breakfast area",
        "website": "https://www.hotelhenriette.com",
        "amenities": ["Free WiFi", "Courtyard", "Breakfast", "Design Interiors"]
    },
    {
        "name": "Hotel Paradis",
        "address": "41 Rue Des Petities Ecuries, 75010 Paris",
        "rating": 4.3,
        "price_range": "€120-180",
        "arrondissement": "10th",
        "coordinates": [48.8718, 2.3502],
        "description": "Tastefully decorated rooms in a top-notch location near trendy hotspots",
        "website": "https://hotelparadisparis.com",
        "amenities": ["Free WiFi", "Designer Decor", "Trendy Area", "Modern Amenities"]
    },
    {
        "name": "COQ Hotel Paris",
        "address": "15 Rue Edouard Manet, 75013 Paris",
        "rating": 4.4,
        "price_range": "€140-190",
        "arrondissement": "13th",
        "coordinates": [48.8261, 2.3542],
        "description": "Stylish design hotel with cozy bar, extensive breakfast and warm atmosphere",
        "website": "https://coq-hotel-paris.com",
        "amenities": ["Bar", "Breakfast", "Design Interiors", "Cozy Atmosphere"]
    },
    {
        "name": "Hotel Diana",
        "address": "73 Rue Saint-Jacques, 75005 Paris",
        "rating": 4.2,
        "price_range": "€150-200",
        "arrondissement": "5th",
        "coordinates": [48.8485, 2.3456],
        "description": "Simple but comfortable 2-star hotel with bright rooms and modern bathrooms",
        "website": "http://www.hoteldiana.fr",
        "amenities": ["Free WiFi", "Modern Bathrooms", "Central Location", "Budget-Friendly"]
    }
];

// Global variables
let map;
let markers = [];
let filteredHotels = hotelData;
let selectedHotel = null;

// Initialize the application
document.addEventListener('DOMContentLoaded', function() {
    initializeApp();
});

function initializeApp() {
    initializeMap();
    populateArrondissementFilter();
    bindEventListeners();
    applyFilters();
    updateHotelCount();
}

// Initialize Leaflet map
function initializeMap() {
    // Initialize map centered on Paris
    map = L.map('map').setView([48.8566, 2.3522], 12);

    // Add OpenStreetMap tiles
    L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
        attribution: '© OpenStreetMap contributors',
        maxZoom: 18
    }).addTo(map);

    // Add hotels to map
    addHotelsToMap(hotelData);
}

// Add hotel markers to map
function addHotelsToMap(hotels) {
    // Clear existing markers
    markers.forEach(marker => map.removeLayer(marker));
    markers = [];

    hotels.forEach(hotel => {
        const marker = L.marker([hotel.coordinates[0], hotel.coordinates[1]], {
            icon: L.divIcon({
                className: 'custom-marker',
                html: `<div class="marker-pin" style="background-color: #21808D; width: 24px; height: 24px; border-radius: 50%; border: 3px solid white; box-shadow: 0 2px 4px rgba(0,0,0,0.3);"></div>`,
                iconSize: [24, 24],
                iconAnchor: [12, 12]
            })
        });

        // Create popup content
        const popupContent = `
            <div class="popup-content">
                <h3 class="popup-hotel-name">${hotel.name}</h3>
                <div class="popup-rating">
                    <span class="stars">${generateStars(hotel.rating)}</span>
                    <span>${hotel.rating}</span>
                </div>
                <div class="popup-price">${hotel.price_range}</div>
                <div class="popup-arrondissement">${hotel.arrondissement} Arrondissement</div>
            </div>
        `;

        marker.bindPopup(popupContent);
        marker.addTo(map);
        markers.push(marker);

        // Store hotel data with marker for easy access
        marker.hotelData = hotel;
    });
}

// Populate arrondissement dropdown
function populateArrondissementFilter() {
    const select = document.getElementById('arrondissement');
    const arrondissements = [...new Set(hotelData.map(hotel => hotel.arrondissement))].sort();
    
    arrondissements.forEach(arr => {
        const option = document.createElement('option');
        option.value = arr;
        option.textContent = `${arr} Arrondissement`;
        select.appendChild(option);
    });
}

// Bind event listeners
function bindEventListeners() {
    // View toggle buttons
    document.getElementById('map-view-btn').addEventListener('click', () => switchView('map'));
    document.getElementById('list-view-btn').addEventListener('click', () => switchView('list'));

    // Search input
    document.getElementById('search').addEventListener('input', applyFilters);

    // Price filter buttons
    document.querySelectorAll('.price-filter').forEach(button => {
        button.addEventListener('click', function() {
            document.querySelectorAll('.price-filter').forEach(btn => btn.classList.remove('active'));
            this.classList.add('active');
            applyFilters();
        });
    });

    // Arrondissement filter
    document.getElementById('arrondissement').addEventListener('change', applyFilters);

    // Rating slider
    const ratingSlider = document.getElementById('rating');
    const ratingValue = document.getElementById('rating-value');
    ratingSlider.addEventListener('input', function() {
        ratingValue.textContent = this.value;
        applyFilters();
    });

    // Reset filters button
    document.getElementById('reset-filters').addEventListener('click', resetFilters);
}

// Switch between map and list view
function switchView(view) {
    const mapViewBtn = document.getElementById('map-view-btn');
    const listViewBtn = document.getElementById('list-view-btn');
    const mapView = document.getElementById('map-view');
    const listView = document.getElementById('list-view');

    if (view === 'map') {
        mapViewBtn.classList.add('active');
        mapViewBtn.classList.remove('btn--secondary');
        mapViewBtn.classList.add('btn--primary');
        listViewBtn.classList.remove('active');
        listViewBtn.classList.remove('btn--primary');
        listViewBtn.classList.add('btn--secondary');
        mapView.classList.add('active');
        listView.classList.remove('active');
        
        // Refresh map after view switch
        setTimeout(() => map.invalidateSize(), 100);
    } else {
        listViewBtn.classList.add('active');
        listViewBtn.classList.remove('btn--secondary');
        listViewBtn.classList.add('btn--primary');
        mapViewBtn.classList.remove('active');
        mapViewBtn.classList.remove('btn--primary');
        mapViewBtn.classList.add('btn--secondary');
        listView.classList.add('active');
        mapView.classList.remove('active');
        
        renderHotelList();
    }
}

// Apply all filters
function applyFilters() {
    const searchTerm = document.getElementById('search').value.toLowerCase();
    const selectedArrondissement = document.getElementById('arrondissement').value;
    const minRating = parseFloat(document.getElementById('rating').value);
    const activePriceFilter = document.querySelector('.price-filter.active');
    const minPrice = parseInt(activePriceFilter.dataset.min);
    const maxPrice = parseInt(activePriceFilter.dataset.max);

    filteredHotels = hotelData.filter(hotel => {
        // Search filter
        if (searchTerm && !hotel.name.toLowerCase().includes(searchTerm)) {
            return false;
        }

        // Arrondissement filter
        if (selectedArrondissement !== 'all' && hotel.arrondissement !== selectedArrondissement) {
            return false;
        }

        // Rating filter
        if (hotel.rating < minRating) {
            return false;
        }

        // Price filter
        const hotelMinPrice = parseInt(hotel.price_range.match(/€(\d+)/)[1]);
        const hotelMaxPrice = parseInt(hotel.price_range.match(/€\d+-(\d+)/)[1]);
        
        // Check if hotel price range overlaps with selected price range
        if (hotelMaxPrice < minPrice || hotelMinPrice > maxPrice) {
            return false;
        }

        return true;
    });

    // Update map markers
    addHotelsToMap(filteredHotels);
    
    // Update list view if active
    if (document.getElementById('list-view').classList.contains('active')) {
        renderHotelList();
    }
    
    updateHotelCount();
}

// Update hotel count display
function updateHotelCount() {
    document.getElementById('hotel-count').textContent = filteredHotels.length;
}

// Reset all filters
function resetFilters() {
    document.getElementById('search').value = '';
    document.getElementById('arrondissement').value = 'all';
    document.getElementById('rating').value = '4.0';
    document.getElementById('rating-value').textContent = '4.0';
    
    // Reset price filter to "Under €150" to focus on budget options
    document.querySelectorAll('.price-filter').forEach(btn => btn.classList.remove('active'));
    document.querySelector('.price-filter[data-max="150"]').classList.add('active');
    
    applyFilters();
}

// Render hotel list
function renderHotelList() {
    const listContainer = document.getElementById('hotels-list');
    
    if (filteredHotels.length === 0) {
        listContainer.innerHTML = `
            <div class="empty-state">
                <h3>No hotels found</h3>
                <p>Try adjusting your filters to see more results.</p>
            </div>
        `;
        return;
    }

    listContainer.innerHTML = filteredHotels.map(hotel => `
        <div class="hotel-card" data-hotel-name="${hotel.name}" onclick="centerMapOnHotel('${hotel.name}')">
            <div class="hotel-header">
                <h3 class="hotel-name">${hotel.name}</h3>
                <div class="hotel-price">${hotel.price_range}</div>
            </div>
            <div class="hotel-rating">
                <span class="stars">${generateStars(hotel.rating)}</span>
                <span class="rating-value">${hotel.rating}</span>
            </div>
            <div class="hotel-address">${hotel.address}</div>
            <div class="hotel-description">${hotel.description}</div>
            <div class="hotel-amenities">
                ${hotel.amenities.map(amenity => `<span class="amenity-tag">${amenity}</span>`).join('')}
            </div>
            <div class="hotel-actions">
                <div class="arrondissement-badge">${hotel.arrondissement} Arrondissement</div>
                <a href="${hotel.website}" target="_blank" class="visit-website">
                    Visit Website <i class="fas fa-external-link-alt"></i>
                </a>
            </div>
        </div>
    `).join('');
}

// Center map on selected hotel
function centerMapOnHotel(hotelName) {
    const hotel = hotelData.find(h => h.name === hotelName);
    if (hotel) {
        // Switch to map view
        switchView('map');
        
        // Center map on hotel
        map.setView([hotel.coordinates[0], hotel.coordinates[1]], 15);
        
        // Find and open the marker popup
        const marker = markers.find(m => m.hotelData && m.hotelData.name === hotelName);
        if (marker) {
            marker.openPopup();
            
            // Highlight the marker temporarily
            const markerElement = marker.getElement();
            if (markerElement) {
                const pin = markerElement.querySelector('.marker-pin');
                if (pin) {
                    pin.style.backgroundColor = '#A84B2F'; // Warning color
                    setTimeout(() => {
                        pin.style.backgroundColor = '#21808D'; // Back to primary
                    }, 2000);
                }
            }
        }
    }
}

// Generate star rating HTML
function generateStars(rating) {
    const fullStars = Math.floor(rating);
    const hasHalfStar = rating % 1 >= 0.5;
    let stars = '';
    
    for (let i = 0; i < fullStars; i++) {
        stars += '<i class="fas fa-star"></i>';
    }
    
    if (hasHalfStar) {
        stars += '<i class="fas fa-star-half-alt"></i>';
    }
    
    const emptyStars = 5 - fullStars - (hasHalfStar ? 1 : 0);
    for (let i = 0; i < emptyStars; i++) {
        stars += '<i class="far fa-star"></i>';
    }
    
    return stars;
}

// Initialize with focus on budget hotels (under €150)
document.addEventListener('DOMContentLoaded', function() {
    // Small delay to ensure everything is loaded
    setTimeout(() => {
        // Set default filter to show budget hotels under €150
        document.querySelectorAll('.price-filter').forEach(btn => btn.classList.remove('active'));
        document.querySelector('.price-filter[data-max="150"]').classList.add('active');
        applyFilters();
    }, 500);
});