{% extends "base.html" %}

{% block title %}Saisie des notes - {{ assessment.title }} - Gestion Scolaire{% endblock %}

{% block content %}
<!-- Panneau d'aide raccourcis clavier -->
<div id="keyboard-help" class="fixed top-4 right-4 bg-gray-800 text-white p-4 rounded-lg shadow-lg z-50 hidden max-w-sm">
    <div class="flex justify-between items-start mb-3">
        <h3 class="font-semibold text-sm">Raccourcis clavier</h3>
        <button onclick="toggleKeyboardHelp()" class="text-gray-300 hover:text-white">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>
            </svg>
        </button>
    </div>
    <div class="text-xs space-y-1">
        <div><kbd class="bg-gray-700 px-1 rounded">Tab</kbd> / <kbd class="bg-gray-700 px-1 rounded">Shift+Tab</kbd> : Navigation</div>
        <div><kbd class="bg-gray-700 px-1 rounded">Enter</kbd> : Champ suivant (même colonne)</div>
        <div><kbd class="bg-gray-700 px-1 rounded">.</kbd> : Non évalué (scores)</div>
        <div><kbd class="bg-gray-700 px-1 rounded">Ctrl+S</kbd> : Sauvegarder</div>
        <div><kbd class="bg-gray-700 px-1 rounded">Ctrl+Z</kbd> : Annuler dernière saisie</div>
        <div><kbd class="bg-gray-700 px-1 rounded">Échap</kbd> : Vider le champ actuel</div>
        <div><kbd class="bg-gray-700 px-1 rounded">F1</kbd> : Afficher/Masquer cette aide</div>
    </div>
</div>
<div class="space-y-6">
    <div class="flex justify-between items-center">
        <div>
            <a href="{{ url_for('assessments.detail', id=assessment.id) }}" class="text-blue-600 hover:text-blue-800 text-sm font-medium mb-2 inline-block">
                ← Retour à l'évaluation
            </a>
            <h1 class="text-2xl font-bold text-gray-900">Saisie des notes</h1>
            <p class="text-gray-600">{{ assessment.title }} - {{ assessment.class_group.name }}</p>
        </div>
    </div>
    
    {% if not grading_elements %}
        <div class="bg-yellow-50 border border-yellow-200 rounded-md p-4">
            <div class="flex">
                <div class="flex-shrink-0">
                    <svg class="h-5 w-5 text-yellow-400" viewBox="0 0 20 20" fill="currentColor">
                        <path fill-rule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clip-rule="evenodd" />
                    </svg>
                </div>
                <div class="ml-3">
                    <h3 class="text-sm font-medium text-yellow-800">Aucun élément de notation</h3>
                    <div class="mt-2 text-sm text-yellow-700">
                        <p>Cette évaluation n'a pas encore d'éléments de notation configurés. Vous devez d'abord créer des exercices et leurs éléments de notation.</p>
                    </div>
                    <div class="mt-4">
                        <a href="{{ url_for('assessments.detail', id=assessment.id) }}" class="text-sm font-medium text-yellow-800 underline hover:text-yellow-900">
                            Configurer l'évaluation →
                        </a>
                    </div>
                </div>
            </div>
        </div>
    {% else %}
        <form method="POST" action="{{ url_for('grading.save_grades', assessment_id=assessment.id) }}" class="space-y-6" id="grading-form">
            <!-- Guide de saisie unifié moderne -->
            <div class="bg-gradient-to-r from-blue-50 to-purple-50 border border-blue-200 rounded-lg p-4">
                <div class="flex justify-between items-start">
                    <div class="flex-1">
                        <h3 class="text-sm font-semibold text-blue-900 mb-2">Guide de saisie unifié</h3>
                        <div class="grading-guide text-xs text-blue-800">
                            <span><strong>Notes :</strong> Valeurs décimales (ex: 15.5)</span>
                            <span class="mx-3">•</span>
                            <span><strong>Scores :</strong> 0=Non acquis, 1=En cours, 2=Acquis, 3=Expert</span>
                            <span class="mx-3">•</span>
                            <span><strong>Spéciaux :</strong> 
                                <kbd class="bg-gray-200 px-1 rounded text-xs">.</kbd>=Pas de réponse, 
                                <kbd class="bg-gray-200 px-1 rounded text-xs">d</kbd>=Dispensé, 
                                <kbd class="bg-gray-200 px-1 rounded text-xs">a</kbd>=Absent
                            </span>
                        </div>
                    </div>
                    <div class="text-right flex items-center space-x-3">
                        <button type="button" onclick="toggleKeyboardHelp()" class="text-xs bg-blue-100 hover:bg-blue-200 text-blue-800 px-2 py-1 rounded transition-colors">
                            📋 F1
                        </button>
                        <div class="text-xs">
                            <div class="text-blue-700">Progression :</div>
                            <div id="progress-indicator" class="font-semibold text-blue-900">0 / {{ (students|length * grading_elements|length) }} champs</div>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- Tableau de saisie -->
            <div class="bg-white shadow rounded-lg overflow-hidden">
                <div class="px-4 py-3 border-b border-gray-200">
                    <h2 class="text-base font-medium text-gray-900">Grille de notation</h2>
                </div>
                
                <div class="overflow-x-auto">
                    <table class="min-w-full divide-y divide-gray-200 table-fixed">
                        <thead class="bg-gray-50">
                            <tr>
                                <th scope="col" class="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider sticky left-0 bg-gray-50 border-r border-gray-200 w-48">
                                    Élève
                                </th>
                                {% for element in grading_elements %}
                                    <th scope="col" class="grading-header px-2 py-2 text-center text-xs font-medium text-gray-500 uppercase tracking-wider min-w-28">
                                        <div class="element-label text-xs font-semibold text-gray-900">{{ element.label }}</div>
                                        <div class="element-type font-normal text-xs mt-1">
                                            {% if element.grading_type == 'score' %}
                                                <span class="badge-score inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-purple-100 text-purple-800">
                                                    0-3
                                                </span>
                                            {% else %}
                                                <span class="badge-notes inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
                                                    /{{ element.max_points }}
                                                </span>
                                            {% endif %}
                                        </div>
                                        {% if element.skill %}
                                            <div class="text-xs text-gray-400 mt-1 truncate">{{ element.skill }}</div>
                                        {% endif %}
                                    </th>
                                {% endfor %}
                            </tr>
                        </thead>
                        <tbody class="bg-white divide-y divide-gray-100">
                            {% for student in students %}
                                <tr class="hover:bg-gray-50 text-sm">
                                    <td class="px-3 py-2 whitespace-nowrap text-sm font-medium text-gray-900 sticky left-0 bg-white border-r border-gray-200">
                                        {{ student.first_name }} {{ student.last_name }}
                                    </td>
                                    {% for element in grading_elements %}
                                        {% set grade_key = student.id ~ '_' ~ element.id %}
                                        {% set existing_grade = existing_grades.get(grade_key) %}
                                        <td class="px-1 py-2 whitespace-nowrap text-center">
                                            <div class="space-y-1">
                                                <!-- Champs de saisie unifiés -->
                                                {% if element.grading_type == 'score' %}
                                                    <select name="grade_{{ student.id }}_{{ element.id }}" 
                                                            class="grading-input block w-full text-xs border-gray-300 rounded-md focus:ring-2 focus:ring-purple-500 focus:border-purple-500 transition-all duration-200 py-1"
                                                            data-type="score"
                                                            data-student-id="{{ student.id }}"
                                                            data-element-id="{{ element.id }}"
                                                            data-row="{{ loop.index0 }}"
                                                            data-col="{{ loop.index0 }}"
                                                            onchange="handleGradeChange(this)"
                                                            onfocus="handleGradeFocus(this)"
                                                            onkeydown="handleGradeKeydown(event, this)">
                                                        <option value="">-</option>
                                                        {% for special_value in ['.', 'd', 'a'] %}
                                                            {% if special_value in scale_values %}
                                                                {% set display_info = config_manager.get_display_info(special_value, 'score') %}
                                                                <option value="{{ special_value }}" style="color: {{ display_info.color }}" {% if existing_grade and existing_grade.value == special_value %}selected{% endif %}>{{ special_value }} ({{ display_info.label }})</option>
                                                            {% endif %}
                                                        {% endfor %}
                                                        {% for value in ['0', '1', '2', '3'] %}
                                                            {% set display_info = config_manager.get_display_info(value, 'score') %}
                                                            <option value="{{ value }}" style="color: {{ display_info.color }}" {% if existing_grade and existing_grade.value == value %}selected{% endif %}>{{ value }} ({{ display_info.label }})</option>
                                                        {% endfor %}
                                                    </select>
                                                {% else %}
                                                    <input type="text" 
                                                           name="grade_{{ student.id }}_{{ element.id }}" 
                                                           value="{% if existing_grade %}{{ existing_grade.value }}{% endif %}"
                                                           class="grading-input block w-full text-xs border-gray-300 rounded-md focus:ring-2 focus:ring-blue-500 focus:border-blue-500 text-center transition-all duration-200 py-1"
                                                           data-type="notes"
                                                           data-max-points="{{ element.max_points }}"
                                                           data-student-id="{{ student.id }}"
                                                           data-element-id="{{ element.id }}"
                                                           data-row="{{ loop.index0 }}"
                                                           data-col="{{ loop.index0 }}"
                                                           placeholder="0-{{ element.max_points }} ou {% for v, c in scale_values.items() if v in ['.', 'd', 'a'] %}{{ v }}{% if not loop.last %} {% endif %}{% endfor %}"
                                                           oninput="handleGradeChange(this)"
                                                           onfocus="handleGradeFocus(this)"
                                                           onkeydown="handleGradeKeydown(event, this)">
                                                {% endif %}
                                                <input type="text" 
                                                       name="comment_{{ student.id }}_{{ element.id }}" 
                                                       value="{% if existing_grade and existing_grade.comment %}{{ existing_grade.comment }}{% endif %}"
                                                       class="comment-input block w-full text-xs border-gray-300 rounded focus:ring-blue-500 focus:border-blue-500 transition-all duration-200 py-0.5"
                                                       data-student-id="{{ student.id }}"
                                                       data-element-id="{{ element.id }}"
                                                       data-row="{{ loop.index0 }}"
                                                       data-col="{{ loop.index0 }}"
                                                       placeholder="Commentaire (optionnel)"
                                                       onkeydown="handleCommentKeydown(event, this)">
                                            </div>
                                        </td>
                                    {% endfor %}
                                </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
                
                <div class="px-6 py-4 bg-gray-50 border-t border-gray-200 flex justify-between items-center">
                    <div class="flex items-center space-x-4 text-sm text-gray-600">
                        <div id="save-status" class="flex items-center">
                            <span class="w-2 h-2 bg-gray-400 rounded-full mr-2"></span>
                            <span>Non sauvegardé</span>
                        </div>
                        <div id="current-position" class="text-xs">
                            Position : - / -
                        </div>
                    </div>
                    <div class="flex space-x-3">
                        <button type="button" onclick="resetForm()" class="px-4 py-2 border border-gray-300 rounded-md text-sm font-medium text-gray-700 hover:bg-gray-50 transition-colors">
                            Réinitialiser
                        </button>
                        <a href="{{ url_for('assessments.detail', id=assessment.id) }}" class="px-4 py-2 border border-gray-300 rounded-md text-sm font-medium text-gray-700 hover:bg-gray-50 transition-colors">
                            Annuler
                        </a>
                        <button type="submit" id="save-button" class="px-4 py-2 bg-blue-600 text-white rounded-md text-sm font-medium hover:bg-blue-700 transition-colors flex items-center">
                            <span id="save-text">Sauvegarder les notes</span>
                            <span id="save-spinner" class="ml-2 w-4 h-4 border-2 border-white border-t-transparent rounded-full animate-spin hidden"></span>
                        </button>
                    </div>
                </div>
            </div>
        </form>
        
        <!-- Légende -->
    {% endif %}
</div>

<!-- Toast de notification -->
<div id="toast" class="fixed bottom-4 right-4 transform translate-y-full transition-transform duration-300 z-50">
    <div class="bg-green-500 text-white px-4 py-2 rounded-lg shadow-lg flex items-center">
        <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
        </svg>
        <span id="toast-message">Action réalisée</span>
    </div>
</div>

<script>
// Configuration simple pour 2 types
const GRADING_CONFIG = {
    types: {
        notes: {
            label: 'Notes numériques',
            description: 'Valeurs décimales (ex: 15.5/20)',
            input_type: 'number'
        },
        score: {
            label: 'Échelle de compétences (0-3)',
            description: 'Échelle : {% for i in range(4) %}{{ i }}={{ scale_values[i|string]['label'] }}{% if not loop.last %}, {% endif %}{% endfor %}',
            max_value: 3,
            input_type: 'select'
        }
    },
    special_values: {
        {% if '.' in scale_values %}'.' : { label: '{{ scale_values['.']['label'] }}', color: '{{ scale_values['.']['color'] }}' }{% endif %}{% if 'd' in scale_values %}{% if '.' in scale_values %},{% endif %}'d' : { label: '{{ scale_values['d']['label'] }}', color: '{{ scale_values['d']['color'] }}' }{% endif %}{% if 'a' in scale_values %}{% if '.' in scale_values or 'd' in scale_values %},{% endif %}'a' : { label: '{{ scale_values['a']['label'] }}', color: '{{ scale_values['a']['color'] }}' }{% endif %}
    }
};

// Variables globales
let currentRow = 0;
let currentCol = 0;
let totalRows = {{ students|length }};
let totalCols = {{ grading_elements|length }};
let unsavedChanges = new Set();
let undoStack = [];
let isAutoSaving = false;

// Liste dynamique des valeurs spéciales
const SPECIAL_VALUES_KEYS = Object.keys(GRADING_CONFIG.special_values);

// Initialisation au chargement de la page
document.addEventListener('DOMContentLoaded', function() {
    setupKeyboardNavigation();
    updateProgressIndicator();
    focusFirstInput();
    setupAutosave();
});

// Configuration de la navigation clavier
function setupKeyboardNavigation() {
    // Raccourcis globaux
    document.addEventListener('keydown', function(e) {
        // F1 : Aide
        if (e.key === 'F1') {
            e.preventDefault();
            toggleKeyboardHelp();
        }
        
        // Ctrl+S : Sauvegarder
        if (e.ctrlKey && e.key === 's') {
            e.preventDefault();
            saveForm();
        }
        
        // Ctrl+Z : Annuler dernière modification
        if (e.ctrlKey && e.key === 'z') {
            e.preventDefault();
            undoLastChange();
        }
    });
}

// Gestion du focus sur un champ de note
function handleGradeFocus(input) {
    const row = parseInt(input.dataset.row);
    const col = parseInt(input.dataset.col);
    currentRow = row;
    currentCol = col;
    updateCurrentPosition();
    
    // Sélectionner tout le contenu pour faciliter la modification
    if (input.type !== 'select-one') {
        input.select();
    }
}

// Gestion des touches pour les champs de notes
function handleGradeKeydown(event, input) {
    const e = event;
    
    // Échap : Vider le champ
    if (e.key === 'Escape') {
        e.preventDefault();
        input.value = '';
        handleGradeChange(input);
        return;
    }
    
    // Navigation clavier pour valeurs spéciales - SIMPLIFIÉ
    // On n'intercepte que 'd' et 'a' automatiquement, pas le point
    if (['d', 'a'].includes(e.key) && SPECIAL_VALUES_KEYS.includes(e.key)) {
        e.preventDefault();
        if (input.tagName === 'SELECT') {
            input.value = e.key;
        } else {
            input.value = e.key;
        }
        handleGradeChange(input);
        navigateToNext('down');
        return;
    }
    
    // Entrée : Passer au champ suivant dans la même colonne
    if (e.key === 'Enter') {
        e.preventDefault();
        navigateToNext('down');
        return;
    }
    
    // Navigation avec les flèches
    if (e.key === 'ArrowUp') {
        e.preventDefault();
        navigateToNext('up');
    } else if (e.key === 'ArrowDown') {
        e.preventDefault();
        navigateToNext('down');
    } else if (e.key === 'ArrowLeft') {
        e.preventDefault();
        navigateToNext('left');
    } else if (e.key === 'ArrowRight') {
        e.preventDefault();
        navigateToNext('right');
    }
}

// Gestion des touches pour les commentaires
function handleCommentKeydown(event, input) {
    if (event.key === 'Enter') {
        event.preventDefault();
        navigateToNext('down');
    }
}

// Navigation vers le champ suivant
function navigateToNext(direction) {
    let newRow = currentRow;
    let newCol = currentCol;
    
    switch(direction) {
        case 'up':
            newRow = Math.max(0, currentRow - 1);
            break;
        case 'down':
            newRow = Math.min(totalRows - 1, currentRow + 1);
            break;
        case 'left':
            newCol = Math.max(0, currentCol - 1);
            break;
        case 'right':
            newCol = Math.min(totalCols - 1, currentCol + 1);
            break;
    }
    
    // Trouver et focuser le nouveau champ
    const targetInput = document.querySelector(
        `.grading-input[data-row="${newRow}"][data-col="${newCol}"]`
    );
    
    if (targetInput) {
        targetInput.focus();
    }
}

// Validation d'une valeur pour un type donné
function validateGradeValue(value, type, maxPoints) {
    if (!value || value.trim() === '') return true; // Valeur vide acceptée
    
    const trimmedValue = value.trim();
    
    // Valeurs spéciales configurées
    if (GRADING_CONFIG.special_values[trimmedValue]) {
        return true;
    }
    
    // Validation selon le type
    if (type === 'score') {
        return ['0', '1', '2', '3'].includes(trimmedValue);
    } else if (type === 'notes') {
        // Normaliser la virgule en point pour les nombres décimaux français
        const normalizedValue = trimmedValue.replace(',', '.');
        
        // Vérifier que c'est un nombre valide
        const numValue = parseFloat(normalizedValue);
        
        // Validation stricte : doit être un nombre ET dans la plage
        return !isNaN(numValue) && 
               numValue >= 0 && 
               numValue <= maxPoints &&
               /^[0-9]+([.,][0-9]+)?$/.test(trimmedValue); // Format numérique strict
    }
    
    return false;
}

// Gestion du changement de valeur avec validation immédiate
function handleGradeChange(input) {
    const key = `${input.dataset.studentId}_${input.dataset.elementId}`;
    const type = input.dataset.type;
    let value = input.value;
    const maxPoints = parseFloat(input.dataset.maxPoints) || 20;
    
    // Pour les champs notes, convertir automatiquement virgule en point
    if (type === 'notes' && value.includes(',')) {
        const convertedValue = value.replace(',', '.');
        input.value = convertedValue;
        value = convertedValue;
    }
    
    // Validation immédiate
    const isValid = validateGradeValue(value, type, maxPoints);
    
    // Feedback visuel
    if (GRADING_CONFIG.special_values[value]) {
        // Valeur spéciale : couleur spécifique
        input.style.color = GRADING_CONFIG.special_values[value].color;
        input.classList.remove('border-red-300', 'bg-red-50', 'border-green-300', 'bg-green-50');
    } else if (!isValid && value.trim() !== '') {
        // Valeur invalide : rouge
        input.style.color = '#dc2626';
        input.classList.add('border-red-300', 'bg-red-50');
        input.classList.remove('border-green-300', 'bg-green-50');
        
        // Message d'erreur temporaire
        showValidationMessage(input, 
            type === 'score' ? 'Valeur autorisée : 0, 1, 2, 3 ou valeurs spéciales' 
                             : `Valeur autorisée : 0 à ${maxPoints} ou valeurs spéciales`);
    } else if (isValid && value.trim() !== '') {
        // Valeur valide : vert léger
        input.style.color = '#059669';
        input.classList.remove('border-red-300', 'bg-red-50');
        input.classList.add('border-green-300', 'bg-green-50');
        setTimeout(() => {
            input.classList.remove('border-green-300', 'bg-green-50');
        }, 1000);
    } else {
        // Valeur vide : neutre
        input.style.color = '';
        input.classList.remove('border-red-300', 'bg-red-50', 'border-green-300', 'bg-green-50');
    }
    
    unsavedChanges.add(key);
    
    // Sauvegarder l'état précédent pour l'annulation
    undoStack.push({
        input: input,
        oldValue: input.defaultValue || '',
        newValue: input.value
    });
    
    // Limiter la pile d'annulation
    if (undoStack.length > 50) {
        undoStack.shift();
    }
    
    updateSaveStatus();
    updateProgressIndicator();
    
    // Feedback visuel
    input.classList.add('bg-yellow-50', 'border-yellow-300');
    setTimeout(() => {
        input.classList.remove('bg-yellow-50', 'border-yellow-300');
    }, 1000);
}

// Mise à jour de l'indicateur de progression
function updateProgressIndicator() {
    const filledInputs = document.querySelectorAll('.grading-input').length;
    const totalInputs = totalRows * totalCols;
    const filledCount = Array.from(document.querySelectorAll('.grading-input')).filter(input => 
        input.value && input.value.trim() !== ''
    ).length;
    
    const progressEl = document.getElementById('progress-indicator');
    if (progressEl) {
        progressEl.textContent = `${filledCount} / ${totalInputs} champs`;
        
        // Couleur selon progression
        progressEl.className = filledCount === 0 ? 'font-semibold text-red-600' :
                              filledCount === totalInputs ? 'font-semibold text-green-600' :
                              'font-semibold text-orange-600';
    }
}

// Mise à jour de la position actuelle
function updateCurrentPosition() {
    const posEl = document.getElementById('current-position');
    if (posEl) {
        posEl.textContent = `Position : ${currentRow + 1} / ${totalRows} (ligne), ${currentCol + 1} / ${totalCols} (colonne)`;
    }
}

// Mise à jour du statut de sauvegarde
function updateSaveStatus() {
    const statusEl = document.getElementById('save-status');
    const indicator = statusEl.querySelector('.w-2');
    const text = statusEl.querySelector('span:last-child');
    
    if (unsavedChanges.size > 0) {
        indicator.className = 'w-2 h-2 bg-orange-400 rounded-full mr-2';
        text.textContent = `${unsavedChanges.size} modification(s) non sauvegardée(s)`;
    } else {
        indicator.className = 'w-2 h-2 bg-green-400 rounded-full mr-2';
        text.textContent = 'Toutes les modifications sauvegardées';
    }
}

// Focuser le premier champ
function focusFirstInput() {
    const firstInput = document.querySelector('.grading-input');
    if (firstInput) {
        firstInput.focus();
    }
}

// Annuler la dernière modification
function undoLastChange() {
    if (undoStack.length === 0) {
        showToast('Aucune modification à annuler', 'info');
        return;
    }
    
    const lastChange = undoStack.pop();
    lastChange.input.value = lastChange.oldValue;
    handleGradeChange(lastChange.input);
    
    showToast('Modification annulée', 'success');
}

// Réinitialiser le formulaire
function resetForm() {
    if (confirm('Êtes-vous sûr de vouloir réinitialiser toutes les notes ? Cette action est irréversible.')) {
        document.querySelectorAll('.grading-input, .comment-input').forEach(input => {
            input.value = '';
        });
        unsavedChanges.clear();
        undoStack = [];
        updateSaveStatus();
        updateProgressIndicator();
        showToast('Formulaire réinitialisé', 'info');
    }
}

// Sauvegarder le formulaire
function saveForm() {
    const form = document.getElementById('grading-form');
    const saveButton = document.getElementById('save-button');
    const saveText = document.getElementById('save-text');
    const saveSpinner = document.getElementById('save-spinner');
    
    // Animation de sauvegarde
    saveButton.disabled = true;
    saveText.textContent = 'Sauvegarde...';
    saveSpinner.classList.remove('hidden');
    
    // Simulation de délai de sauvegarde
    setTimeout(() => {
        form.submit();
    }, 500);
}

// Afficher/Masquer l'aide clavier
function toggleKeyboardHelp() {
    const help = document.getElementById('keyboard-help');
    help.classList.toggle('hidden');
}

// Configuration de la sauvegarde automatique
function setupAutosave() {
    setInterval(() => {
        if (unsavedChanges.size > 0 && !isAutoSaving) {
            autoSave();
        }
    }, 30000); // Sauvegarde automatique toutes les 30 secondes
}

// Sauvegarde automatique
function autoSave() {
    if (isAutoSaving) return;
    
    isAutoSaving = true;
    // Ici on pourrait implémenter une sauvegarde AJAX
    // Pour l'instant, on se contente d'un indicateur
    showToast('Sauvegarde automatique...', 'info');
    
    setTimeout(() => {
        isAutoSaving = false;
        unsavedChanges.clear();
        updateSaveStatus();
        showToast('Sauvegardé automatiquement', 'success');
    }, 2000);
}

// Afficher un message de validation temporaire
function showValidationMessage(input, message) {
    // Supprimer tout message existant
    const existingMessage = input.parentNode.querySelector('.validation-message');
    if (existingMessage) {
        existingMessage.remove();
    }
    
    // Créer le message
    const messageEl = document.createElement('div');
    messageEl.className = 'validation-message absolute z-10 bg-red-100 border border-red-300 text-red-700 px-2 py-1 rounded text-xs mt-1 shadow';
    messageEl.textContent = message;
    messageEl.style.minWidth = '200px';
    
    // Positionner le message
    input.parentNode.style.position = 'relative';
    input.parentNode.appendChild(messageEl);
    
    // Supprimer après 3 secondes
    setTimeout(() => {
        if (messageEl.parentNode) {
            messageEl.remove();
        }
    }, 3000);
}

// Afficher un toast de notification
function showToast(message, type = 'success') {
    const toast = document.getElementById('toast');
    const toastMessage = document.getElementById('toast-message');
    const toastDiv = toast.querySelector('div');
    
    // Couleurs selon le type
    const colors = {
        success: 'bg-green-500',
        error: 'bg-red-500',
        info: 'bg-blue-500',
        warning: 'bg-orange-500'
    };
    
    toastDiv.className = `${colors[type]} text-white px-4 py-2 rounded-lg shadow-lg flex items-center`;
    toastMessage.textContent = message;
    
    // Animer l'apparition
    toast.classList.remove('translate-y-full');
    toast.classList.add('translate-y-0');
    
    // Masquer après 3 secondes
    setTimeout(() => {
        toast.classList.remove('translate-y-0');
        toast.classList.add('translate-y-full');
    }, 3000);
}

// Gestion de la fermeture de la page avec modifications non sauvegardées
window.addEventListener('beforeunload', function(e) {
    if (unsavedChanges.size > 0) {
        e.preventDefault();
        e.returnValue = 'Vous avez des modifications non sauvegardées. Êtes-vous sûr de vouloir quitter ?';
    }
});
</script>
{% endblock %}