{% extends "admin/change_form.html" %}
{% load i18n traduction_tags %}

{% block extrahead %}
{{ block.super }}
{{ form.media }}
<style>
    .translation-section {
        margin-top: 20px;
        clear: both;
    }
    .translation-section .card {
        border: 1px solid #dee2e6;
        border-radius: 8px;
        overflow: hidden;
    }
    .translation-section .card-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 15px 20px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .translation-section .card-header h3 {
        margin: 0;
        font-size: 16px;
        font-weight: 600;
    }
    .translation-section .card-header .toggle-icon {
        font-size: 20px;
        transition: transform 0.3s;
    }
    .translation-section .card-header.collapsed .toggle-icon {
        transform: rotate(-90deg);
    }
    .translation-section .card-body {
        padding: 0;
        background: #fff;
    }
    .translation-section .card-body.collapsed {
        display: none;
    }
    .lang-tabs {
        display: flex;
        background: #f8f9fa;
        border-bottom: 2px solid #dee2e6;
        padding: 0;
        margin: 0;
        list-style: none;
        overflow-x: auto;
    }
    .lang-tabs li {
        margin: 0;
    }
    .lang-tabs .lang-tab {
        display: block;
        padding: 12px 24px;
        text-decoration: none;
        color: #666;
        font-weight: 500;
        border-bottom: 3px solid transparent;
        margin-bottom: -2px;
        transition: all 0.2s;
        white-space: nowrap;
    }
    .lang-tabs .lang-tab:hover {
        background: #e9ecef;
        color: #333;
    }
    .lang-tabs .lang-tab.active {
        color: #667eea;
        border-bottom-color: #667eea;
        background: #fff;
    }
    .lang-tabs .lang-tab .flag {
        margin-right: 6px;
        font-size: 14px;
    }
    .lang-tabs .lang-tab .default-badge {
        font-size: 10px;
        background: #667eea;
        color: white;
        padding: 2px 6px;
        border-radius: 10px;
        margin-left: 6px;
    }
    .lang-content {
        display: none;
        padding: 20px;
    }
    .lang-content.active {
        display: block;
    }
    .trans-field {
        margin-bottom: 20px;
    }
    .trans-field:last-child {
        margin-bottom: 0;
    }
    .trans-field label {
        display: block;
        font-weight: 600;
        margin-bottom: 8px;
        color: #333;
        font-size: 13px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .trans-field .original-hint {
        background: #f0f4f8;
        padding: 10px 15px;
        border-radius: 6px;
        font-size: 13px;
        color: #555;
        margin-bottom: 10px;
        border-left: 4px solid #667eea;
    }
    .trans-field .original-hint strong {
        color: #333;
        display: block;
        margin-bottom: 4px;
        font-size: 11px;
        text-transform: uppercase;
    }
    .trans-field input[type="text"],
    .trans-field textarea {
        width: 100%;
        padding: 10px 14px;
        border: 1px solid #ced4da;
        border-radius: 6px;
        font-size: 14px;
        transition: border-color 0.2s, box-shadow 0.2s;
        box-sizing: border-box;
    }
    .trans-field textarea.translation-textarea {
        min-height: 100px;
        resize: vertical;
        font-family: inherit;
        line-height: 1.5;
    }
    .trans-field textarea.translation-wysiwyg {
        min-height: 150px;
        resize: vertical;
        font-family: inherit;
    }
    .trans-field input[type="text"]:focus,
    .trans-field textarea:focus {
        border-color: #667eea;
        outline: none;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    }
    .no-languages-msg {
        padding: 30px;
        text-align: center;
        color: #666;
    }
    .no-languages-msg a {
        color: #667eea;
        text-decoration: none;
        font-weight: 500;
    }
    /* CKEditor styles */
    .trans-field .ck-editor {
        width: 100%;
    }
    .trans-field .ck-editor__editable {
        min-height: 200px;
    }
    .trans-field .ck-editor__editable:focus {
        border-color: #667eea !important;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15) !important;
    }
</style>
{% endblock %}

{% block after_field_sets %}
{{ block.super }}

{% if is_translatable and languages %}
<div class="col-12 col-lg-9">
    <div class="translation-section">
        <div class="card">
            <div class="card-header" id="translation-header" onclick="toggleTranslations()">
                <h3>
                    <span class="toggle-icon">▼</span>
                    Traductions
                    <small style="font-weight: normal; opacity: 0.8; margin-left: 10px;">
                        ({{ languages|length }} langue{{ languages|length|pluralize }})
                    </small>
                </h3>
            </div>
            <div class="card-body" id="translation-body">
                {% if languages|length > 0 %}
                <ul class="lang-tabs" role="tablist">
                    {% for lang in languages %}
                    <li role="presentation">
                        <a href="#"
                        class="lang-tab {% if forloop.first %}active{% endif %}"
                        data-lang="{{ lang.code }}"
                        role="tab"
                        onclick="switchLangTab(event, '{{ lang.code }}')">
                            {% if lang.flag_code %}
                            <span class="flag">{{ lang.flag_code|upper }}</span>
                            {% endif %}
                            {{ lang.name }}
                            {% if lang.is_default %}<span class="default-badge">defaut</span>{% endif %}
                        </a>
                    </li>
                    {% endfor %}
                </ul>

                {% for lang in languages %}
                <div class="lang-content {% if forloop.first %}active{% endif %}"
                    id="lang-{{ lang.code }}"
                    role="tabpanel">
                    {% for field in translatable_fields %}
                    {% with field_type=field_types|get_item:field %}
                    <div class="trans-field" data-field-type="{{ field_type }}">
                        <label for="translation_{{ lang.code }}_{{ field }}">
                            {{ field|title|cut:"_" }}
                        </label>

                        {% if original %}
                        {% with orig_val=original|get_attr:field %}
                        {% if orig_val %}
                        <div class="original-hint">
                            <strong>Valeur originale:</strong>
                            {{ orig_val|truncatewords:40 }}
                        </div>
                        {% endif %}
                        {% endwith %}
                        {% endif %}

                        {% if field_type == 'richtext' %}
                        {# CKEditor5Field - RichText editor #}
                        <textarea name="translation_{{ lang.code }}_{{ field }}"
                                id="translation_{{ lang.code }}_{{ field }}"
                                class="translation-wysiwyg"
                                placeholder="Traduction en {{ lang.name }}..."
                                rows="8">{% if translations %}{% with lang_trans=translations|get_item:lang.code %}{% if lang_trans %}{{ lang_trans|get_item:field|default:"" }}{% endif %}{% endwith %}{% endif %}</textarea>
                        {% elif field_type == 'textarea' %}
                        {# TextField - Simple textarea #}
                        <textarea name="translation_{{ lang.code }}_{{ field }}"
                                id="translation_{{ lang.code }}_{{ field }}"
                                class="translation-textarea"
                                placeholder="Traduction en {{ lang.name }}..."
                                rows="5">{% if translations %}{% with lang_trans=translations|get_item:lang.code %}{% if lang_trans %}{{ lang_trans|get_item:field|default:"" }}{% endif %}{% endwith %}{% endif %}</textarea>
                        {% else %}
                        {# CharField - Simple input #}
                        <input type="text"
                            name="translation_{{ lang.code }}_{{ field }}"
                            id="translation_{{ lang.code }}_{{ field }}"
                            placeholder="Traduction en {{ lang.name }}..."
                            value="{% if translations %}{% with lang_trans=translations|get_item:lang.code %}{% if lang_trans %}{{ lang_trans|get_item:field|default:"" }}{% endif %}{% endwith %}{% endif %}">
                        {% endif %}
                    </div>
                    {% endwith %}
                    {% endfor %}
                </div>
                {% endfor %}
                {% else %}
                <div class="no-languages-msg">
                    <p>Aucune langue configuree.</p>
                    <p><a href="{% url 'admin:traduction_language_add' %}">+ Ajouter une langue</a></p>
                </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>
<script>
// Stockage des instances CKEditor
var translationEditorInstances = {};

var translationCkeditorConfig = {
    licenseKey: 'GPL',
    toolbar: {
        items: [
            'heading', '|',
            'bold', 'italic', 'link', 'bulletedList', 'numberedList', '|',
            'outdent', 'indent', '|',
            'blockQuote', '|',
            'undo', 'redo'
        ]
    },
    language: 'fr',
    heading: {
        options: [
            { model: 'paragraph', title: 'Paragraphe', class: 'ck-heading_paragraph' },
            { model: 'heading1', view: 'h1', title: 'Titre 1', class: 'ck-heading_heading1' },
            { model: 'heading2', view: 'h2', title: 'Titre 2', class: 'ck-heading_heading2' },
            { model: 'heading3', view: 'h3', title: 'Titre 3', class: 'ck-heading_heading3' }
        ]
    }
};

function initTranslationCKEditor(textarea) {
    if (textarea.dataset.ckeditorInitialized === 'true') return;
    if (typeof ClassicEditor === 'undefined') {
        console.log('ClassicEditor not loaded yet, retrying...');
        setTimeout(function() { initTranslationCKEditor(textarea); }, 500);
        return;
    }

    textarea.dataset.ckeditorInitialized = 'true';

    ClassicEditor
        .create(textarea, translationCkeditorConfig)
        .then(function(editor) {
            translationEditorInstances[textarea.id] = editor;
            console.log('CKEditor initialized for:', textarea.id);

            // Synchroniser le contenu a chaque modification
            editor.model.document.on('change:data', function() {
                textarea.value = editor.getData();
            });

            // Synchroniser aussi lors de la soumission du formulaire
            var form = textarea.closest('form');
            if (form && !form.dataset.ckeditorSubmitBound) {
                form.dataset.ckeditorSubmitBound = 'true';
                form.addEventListener('submit', function() {
                    Object.values(translationEditorInstances).forEach(function(ed) {
                        if (ed.sourceElement) {
                            ed.sourceElement.value = ed.getData();
                        }
                    });
                });
            }
        })
        .catch(function(error) {
            console.error('CKEditor init error for ' + textarea.id + ':', error);
            textarea.dataset.ckeditorInitialized = 'false';
        });
}

function initTranslationCKEditorsInContainer(container) {
    container.querySelectorAll('.translation-wysiwyg').forEach(function(textarea) {
        initTranslationCKEditor(textarea);
    });
}

function switchLangTab(event, langCode) {
    event.preventDefault();

    // Desactiver tous les onglets
    document.querySelectorAll('.lang-tabs .lang-tab').forEach(function(tab) {
        tab.classList.remove('active');
    });
    document.querySelectorAll('.lang-content').forEach(function(content) {
        content.classList.remove('active');
    });

    // Activer l'onglet selectionne
    event.currentTarget.classList.add('active');
    var langContent = document.getElementById('lang-' + langCode);
    langContent.classList.add('active');

    // Initialiser CKEditor sur les textareas de cet onglet
    setTimeout(function() {
        initTranslationCKEditorsInContainer(langContent);
    }, 200);
}

function toggleTranslations() {
    var header = document.getElementById('translation-header');
    var body = document.getElementById('translation-body');

    if (body.classList.contains('collapsed')) {
        body.classList.remove('collapsed');
        header.classList.remove('collapsed');

        // Initialiser CKEditor sur l'onglet actif apres ouverture
        var activeTab = body.querySelector('.lang-content.active');
        if (activeTab) {
            setTimeout(function() {
                initTranslationCKEditorsInContainer(activeTab);
            }, 200);
        }
    } else {
        body.classList.add('collapsed');
        header.classList.add('collapsed');
    }
}

// Attendre que ClassicEditor soit disponible puis initialiser
function waitForCKEditorAndInit() {
    if (typeof ClassicEditor !== 'undefined') {
        console.log('ClassicEditor available, initializing translation editors...');
        var activeTab = document.querySelector('.lang-content.active');
        if (activeTab) {
            initTranslationCKEditorsInContainer(activeTab);
        }
    } else {
        console.log('Waiting for ClassicEditor...');
        setTimeout(waitForCKEditorAndInit, 300);
    }
}

// Lancer l'initialisation apres le chargement complet de la page
if (document.readyState === 'complete') {
    waitForCKEditorAndInit();
} else {
    window.addEventListener('load', function() {
        // Attendre un peu que tous les scripts soient executes
        setTimeout(waitForCKEditorAndInit, 500);
    });
}
</script>
{% endif %}
{% endblock %}