// Configuration partagée des types d'événements avec leurs emojis et descriptions
window.EVENT_TYPES = {
    // Community / OSM
    'community.osm.event': {
        emoji: '🗺️',
        label: 'Événement OpenStreetMap',
        category: 'Communauté',
        description: 'Événement lié à la communauté OpenStreetMap'
    },

    // Culture / Arts
    'culture.arts': {
        emoji: '🎨',
        label: 'Arts et culture',
        category: 'Culture',
        description: 'Événement artistique et culturel'
    },
    'culture.geek': {
        emoji: '🤓',
        label: 'Culture geek',
        category: 'Culture',
        description: 'Événement geek, technologie, gaming'
    },
    'culture.music': {
        emoji: '🎵',
        label: 'Musique',
        category: 'Culture',
        description: 'Événement musical général'
    },

    // Music specific
    'music.festival': {
        emoji: '🎪',
        label: 'Festival de musique',
        category: 'Musique',
        description: 'Festival musical'
    },

    // Power / Energy
    'power.production.unavail': {
        emoji: '⚡',
        label: 'Production électrique indisponible',
        category: 'Énergie',
        description: 'Arrêt ou réduction de production électrique'
    },

    // Sale / Commerce
    'sale': {
        emoji: '🛒',
        label: 'Vente / Commerce',
        category: 'Commerce',
        description: 'Événement commercial, vente, marché'
    },

    // Time / Temporal
    'time.daylight.summer': {
        emoji: '☀️',
        label: 'Heure d\'été',
        category: 'Temps',
        description: 'Passage à l\'heure d\'été'
    },

    // Tourism
    'tourism.exhibition': {
        emoji: '🖼️',
        label: 'Exposition',
        category: 'Tourisme',
        description: 'Exposition, salon, foire'
    },

    // Traffic / Transportation
    'traffic.accident': {
        emoji: '💥',
        label: 'Accident',
        category: 'Circulation',
        description: 'Accident de la circulation'
    },
    'traffic.incident': {
        emoji: '⚠️',
        label: 'Incident de circulation',
        category: 'Circulation',
        description: 'Incident sur la route'
    },
    'traffic.obstacle': {
        emoji: '🚧',
        label: 'Obstacle',
        category: 'Circulation',
        description: 'Obstacle sur la voie'
    },
    'traffic.partially_closed': {
        emoji: '🚦',
        label: 'Voie partiellement fermée',
        category: 'Circulation',
        description: 'Fermeture partielle de voie'
    },
    'traffic.roadwork': {
        emoji: '⛑️',
        label: 'Travaux routiers',
        category: 'Circulation',
        description: 'Travaux sur la chaussée'
    },
    'wildlife': {
        emoji: '🦌',
        label: 'Animal',
        category: 'Vie sauvage',
        description: 'Détection d\'animaux'
    },
    'traffic.mammoth': {
        emoji: '🦣',
        label: 'Mammouth laineux',
        category: 'Obstacle',
        description: 'Un mammouth laineux bloque la route'
    },
    'hazard.piranha': {
        emoji: '🐟',
        label: 'Piranha dans la piscine',
        category: 'Danger',
        description: 'Des pirana attaquent dans cette piscine'
    }
};

// Fonction pour obtenir les suggestions d'autocomplétion
function getEventTypeSuggestions(input) {
    const inputLower = input.toLowerCase();
    const suggestions = [];

    for (const [key, config] of Object.entries(window.EVENT_TYPES)) {
        // Recherche dans la clé, le label et la catégorie
        const searchableText = `${key} ${config.label} ${config.category}`.toLowerCase();

        if (searchableText.includes(inputLower)) {
            suggestions.push({
                value: key,
                label: `${config.emoji} ${config.label}`,
                category: config.category,
                fullText: `${key} - ${config.label}`
            });
        }
    }

    // Trier par pertinence (correspondance exacte en premier)
    suggestions.sort((a, b) => {
        const aExact = a.value.toLowerCase().startsWith(inputLower);
        const bExact = b.value.toLowerCase().startsWith(inputLower);

        if (aExact && !bExact) return -1;
        if (!aExact && bExact) return 1;

        return a.value.localeCompare(b.value);
    });

    return suggestions.slice(0, 10); // Limiter à 10 suggestions
}

// Fonction pour initialiser l'autocomplétion sur un champ
function initializeEventTypeAutocomplete(inputElement, onSelect) {
    if (!inputElement) return;

    let suggestionsContainer = null;
    let currentSuggestions = [];
    let selectedIndex = -1;
    let selectorButton = null;

    // Créer le bouton de sélection
    function createSelectorButton() {
        selectorButton = document.createElement('button');
        selectorButton.type = 'button';
        selectorButton.className = 'event-type-selector-btn';
        selectorButton.innerHTML = '📋 Types d\'événements';
        selectorButton.style.cssText = `
            margin-top: 5px;
            padding: 6px 12px;
            background-color: #0078ff;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
            display: inline-block;
        `;

        selectorButton.addEventListener('click', function() {
            showAllEventTypes();
        });

        const parent = inputElement.parentElement;
        parent.appendChild(selectorButton);
    }

    // Créer le conteneur de suggestions
    function createSuggestionsContainer() {
        suggestionsContainer = document.createElement('div');
        suggestionsContainer.className = 'autocomplete-suggestions';
        suggestionsContainer.style.cssText = `
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            max-height: 300px;
            overflow-y: auto;
            background: white;
            border: 1px solid #ddd;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            z-index: 1000;
            display: none;
            margin-top: 2px;
        `;

        // Positionner le conteneur parent en relatif
        const parent = inputElement.parentElement;
        if (parent.style.position !== 'relative') {
            parent.style.position = 'relative';
        }
        parent.appendChild(suggestionsContainer);
    }

    // Afficher tous les types d'événements dans un beau sélecteur
    function showAllEventTypes() {
        const allTypes = Object.entries(window.EVENT_TYPES).map(([key, config]) => ({
            value: key,
            emoji: config.emoji,
            label: config.label,
            category: config.category,
            description: config.description || '',
            fullText: `${key} - ${config.label}`
        }));

        showEventTypeSelector(allTypes);
    }

    // Afficher le sélecteur de types d'événements
    function showEventTypeSelector(types) {
        if (!suggestionsContainer) return;

        currentSuggestions = types;
        selectedIndex = -1;

        // Grouper par catégorie
        const groupedTypes = {};
        types.forEach(type => {
            if (!groupedTypes[type.category]) {
                groupedTypes[type.category] = [];
            }
            groupedTypes[type.category].push(type);
        });

        let html = `
            <div style="padding: 10px; border-bottom: 1px solid #eee; background-color: #f8f9fa; border-radius: 8px 8px 0 0;">
                <strong style="color: #0078ff;">🏷️ Types d'événements disponibles</strong>
                <button onclick="this.parentElement.parentElement.style.display='none'" style="float: right; background: none; border: none; font-size: 16px; cursor: pointer;">✕</button>
            </div>
        `;

        // Afficher chaque catégorie
        Object.entries(groupedTypes).forEach(([category, categoryTypes]) => {
            html += `
                <div style="padding: 8px 0;">
                    <div style="padding: 6px 12px; background-color: #e9ecef; font-weight: bold; color: #495057; font-size: 13px;">
                        ${category}
                    </div>
            `;

            categoryTypes.forEach((type, index) => {
                const globalIndex = types.indexOf(type);
                html += `
                    <div class="suggestion-item" data-index="${globalIndex}" style="
                        padding: 10px 15px;
                        cursor: pointer;
                        border-bottom: 1px solid #f1f3f4;
                        transition: background-color 0.2s;
                        display: flex;
                        align-items: center;
                        gap: 10px;
                    " onmouseover="this.style.backgroundColor='#f0f8ff'" onmouseout="this.style.backgroundColor='white'">
                        <span style="font-size: 20px; min-width: 25px;">${type.emoji}</span>
                        <div style="flex: 1;">
                            <div style="font-weight: 500; color: #212529;">${type.label}</div>
                            <div style="font-size: 12px; color: #6c757d; font-family: monospace;">${type.value}</div>
                            ${type.description ? `<div style="font-size: 11px; color: #868e96; font-style: italic;">${type.description}</div>` : ''}
                        </div>
                    </div>
                `;
            });

            html += '</div>';
        });

        suggestionsContainer.innerHTML = html;
        suggestionsContainer.style.display = 'block';

        // Ajouter les gestionnaires d'événements
        const suggestionItems = suggestionsContainer.querySelectorAll('.suggestion-item');
        suggestionItems.forEach((item, index) => {
            const dataIndex = parseInt(item.dataset.index);
            item.addEventListener('click', () => selectSuggestion(dataIndex));
        });
    }

    // Afficher les suggestions
    function showSuggestions(suggestions) {
        if (!suggestionsContainer) return;

        currentSuggestions = suggestions;
        selectedIndex = -1;

        if (suggestions.length === 0) {
            suggestionsContainer.style.display = 'none';
            return;
        }

        suggestionsContainer.innerHTML = suggestions.map((suggestion, index) => `
            <div class="suggestion-item" data-index="${index}" style="
                padding: 8px 12px;
                cursor: pointer;
                border-bottom: 1px solid #eee;
                font-size: 14px;
                display: flex;
                align-items: center;
                gap: 8px;
            ">
                <span style="font-size: 16px;">${suggestion.label.split(' ')[0]}</span>
                <span style="flex: 1;">${suggestion.fullText}</span>
                <small style="color: #666;">${suggestion.category}</small>
            </div>
        `).join('');

        suggestionsContainer.style.display = 'block';

        // Ajouter les gestionnaires d'événements aux suggestions
        const suggestionItems = suggestionsContainer.querySelectorAll('.suggestion-item');
        suggestionItems.forEach((item, index) => {
            item.addEventListener('click', () => selectSuggestion(index));
            item.addEventListener('mouseenter', () => highlightSuggestion(index));
        });
    }

    // Mettre en surbrillance une suggestion
    function highlightSuggestion(index) {
        const items = suggestionsContainer.querySelectorAll('.suggestion-item');
        items.forEach((item, i) => {
            item.style.backgroundColor = i === index ? '#f0f8ff' : 'white';
        });
        selectedIndex = index;
    }

    // Sélectionner une suggestion
    function selectSuggestion(index) {
        if (index >= 0 && index < currentSuggestions.length) {
            const suggestion = currentSuggestions[index];
            inputElement.value = suggestion.value;
            suggestionsContainer.style.display = 'none';

            if (onSelect) {
                onSelect(suggestion);
            }

            // Déclencher l'événement input pour les validations
            inputElement.dispatchEvent(new Event('input', { bubbles: true }));
        }
    }

    // Masquer les suggestions
    function hideSuggestions() {
        if (suggestionsContainer) {
            suggestionsContainer.style.display = 'none';
        }
    }

    // Créer le conteneur de suggestions et le bouton
    createSuggestionsContainer();
    createSelectorButton();

    // Gestionnaire d'événements pour l'input
    inputElement.addEventListener('input', function(e) {
        const value = e.target.value.trim();

        if (value.length === 0) {
            showAllEventTypes();
            return;
        }

        if (value.length < 2) {
            hideSuggestions();
            return;
        }

        const suggestions = getEventTypeSuggestions(value);
        showFilteredSuggestions(suggestions);
    });

    // Afficher l'autocomplétion au focus
    inputElement.addEventListener('focus', function(e) {
        const value = e.target.value.trim();

        if (value.length === 0) {
            showAllEventTypes();
        } else if (value.length >= 2) {
            const suggestions = getEventTypeSuggestions(value);
            showFilteredSuggestions(suggestions);
        }
    });

    // Afficher l'autocomplétion au keyup
    inputElement.addEventListener('keyup', function(e) {
        // Ignorer les touches de navigation
        if (['ArrowDown', 'ArrowUp', 'Enter', 'Escape'].includes(e.key)) {
            return;
        }

        const value = e.target.value.trim();

        if (value.length === 0) {
            showAllEventTypes();
        } else if (value.length >= 2) {
            const suggestions = getEventTypeSuggestions(value);
            showFilteredSuggestions(suggestions);
        }
    });

    // Fonction pour afficher les suggestions filtrées
    function showFilteredSuggestions(suggestions) {
        if (!suggestionsContainer) return;

        currentSuggestions = suggestions;
        selectedIndex = -1;

        if (suggestions.length === 0) {
            suggestionsContainer.innerHTML = `
                <div style="padding: 15px; text-align: center; color: #6c757d;">
                    Aucun type d'événement trouvé
                </div>
            `;
            suggestionsContainer.style.display = 'block';
            return;
        }

        let html = `
            <div style="padding: 8px 12px; border-bottom: 1px solid #eee; background-color: #f8f9fa; font-size: 12px; color: #6c757d;">
                ${suggestions.length} résultat${suggestions.length > 1 ? 's' : ''} trouvé${suggestions.length > 1 ? 's' : ''}
            </div>
        `;

        suggestions.forEach((suggestion, index) => {
            const config = window.EVENT_TYPES[suggestion.value] || {};
            html += `
                <div class="suggestion-item" data-index="${index}" style="
                    padding: 10px 15px;
                    cursor: pointer;
                    border-bottom: 1px solid #f1f3f4;
                    display: flex;
                    align-items: center;
                    gap: 10px;
                " onmouseover="this.style.backgroundColor='#f0f8ff'" onmouseout="this.style.backgroundColor='white'">
                    <span style="font-size: 20px;">${config.emoji || '📍'}</span>
                    <div style="flex: 1;">
                        <div style="font-weight: 500;">${config.label || suggestion.value}</div>
                        <div style="font-size: 12px; color: #6c757d; font-family: monospace;">${suggestion.value}</div>
                    </div>
                    <small style="color: #6c757d;">${config.category || ''}</small>
                </div>
            `;
        });

        suggestionsContainer.innerHTML = html;
        suggestionsContainer.style.display = 'block';

        // Ajouter les gestionnaires d'événements aux suggestions
        const suggestionItems = suggestionsContainer.querySelectorAll('.suggestion-item');
        suggestionItems.forEach((item, index) => {
            item.addEventListener('click', () => selectSuggestion(index));
        });
    }

    // Gestionnaire d'événements pour le clavier
    inputElement.addEventListener('keydown', function(e) {
        if (!suggestionsContainer || suggestionsContainer.style.display === 'none') {
            return;
        }

        switch (e.key) {
            case 'ArrowDown':
                e.preventDefault();
                const nextIndex = selectedIndex < currentSuggestions.length - 1 ? selectedIndex + 1 : 0;
                highlightSuggestion(nextIndex);
                break;

            case 'ArrowUp':
                e.preventDefault();
                const prevIndex = selectedIndex > 0 ? selectedIndex - 1 : currentSuggestions.length - 1;
                highlightSuggestion(prevIndex);
                break;

            case 'Enter':
                e.preventDefault();
                if (selectedIndex >= 0) {
                    selectSuggestion(selectedIndex);
                }
                break;

            case 'Escape':
                hideSuggestions();
                break;
        }
    });

    // Masquer les suggestions quand on clique ailleurs
    document.addEventListener('click', function(e) {
        if (!inputElement.contains(e.target) && !suggestionsContainer?.contains(e.target)) {
            hideSuggestions();
        }
    });

    // Masquer les suggestions quand le champ perd le focus
    inputElement.addEventListener('blur', function() {
        // Délai pour permettre le clic sur une suggestion
        setTimeout(hideSuggestions, 200);
    });
}