{% extends "mobile/mobile_base.html" %}
{% load static %}
{% load i18n %}
{% load observation_tags %}
{% load short_name %}
{% load mention_tags %}

{% block extra_head %}
<style>
    .photo-thumbnail {
        width: 90px;
        height: 90px;
        object-fit: cover;
        border-radius: 6px;
        cursor: pointer;
        transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .photo-thumbnail:hover, .photo-thumbnail:active {
        transform: scale(1.04);
        box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    }
    
    .info-card {
        background-color: #f8f9fa;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .badge {
        font-size: 0.85rem;
    }
    
    .choice-badge {
        transition: all 0.2s ease;
        opacity: 0.7;
        border: 2px solid transparent;
    }
    
    .choice-badge.active {
        opacity: 1;
        border-color: rgba(0, 0, 0, 0.2);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        transform: scale(1.05);
    }
    
    .choice-badge:hover {
        opacity: 0.9;
        transform: scale(1.02);
    }

    .actions-card .btn {
        font-size: 0.8rem !important;
    }
    /* jQuery UI autocomplete au-dessus des modales Bootstrap */
    .ui-autocomplete { z-index: 2000 !important; }
</style>
<link rel="stylesheet" href="{% static 'common/jquery-ui.min.css' %}">
{% endblock extra_head %}

{% block upleft %}
<a href="{% url 'mobile:observations_index_mobile' %}" class="nav-link" style="color: white;">
    <i class="bi bi-arrow-left fs-3" title="{% translate 'Retour à la liste' %}"></i>
</a>
{% endblock upleft %}

{% block title %}
    {% translate "Détail observation" %}
{% endblock title %}

{% block content %}

<!-- Bloc Actions -->
<div class="card shadow-sm mb-3 actions-card">
    <div class="card-header py-2 d-flex align-items-center gap-2">
        <i class="bi bi-lightning-charge-fill text-warning"></i>
        <strong>{% translate "Actions" %}</strong>
    </div>
    <div class="card-body p-3 d-flex flex-column gap-2">

        <!-- Deux colonnes : Intervention/Projet | Statut -->
        {% if observation.status == 'to_process' %}
            {% if can_take_action %}
            <div class="d-flex gap-3 align-items-start">
                <!-- Colonne 1 : Intervention / Projet -->
                <div class="d-flex flex-column gap-1" style="flex:1 1 0;">
                    {% if observation.observation_type == 'inventory' or observation.observation_type == 'remark' %}
                        <button type="button" class="btn btn-outline-primary btn-sm w-100"
                                data-bs-toggle="modal" data-bs-target="#modalChoixTypeIntervention">
                            <i class="bi bi-tools"></i> {% translate "Créer intervention" %}
                        </button>
                    {% else %}
                        <form method="post" action="{% url 'observations:create_intervention_from_observation' observation.id %}">
                            {% csrf_token %}
                            <button type="submit" class="btn btn-outline-primary btn-sm w-100">
                                <i class="bi bi-tools"></i> {% translate "Créer intervention" %}
                            </button>
                        </form>
                    {% endif %}
                    {% if not observation.intervention %}
                    <button type="button" class="btn btn-outline-primary btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#modalLierIntervention">
                        <i class="bi bi-link-45deg"></i> {% translate "Lier à une intervention" %}
                    </button>
                    {% endif %}
                    {% if not observation.project %}
                    <button type="button" class="btn btn-outline-primary btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#modalLierProjet">
                        <i class="bi bi-diagram-3"></i> {% translate "Lier à un projet" %}
                    </button>
                    {% endif %}
                </div>
                <!-- Colonne 2 : Statut -->
                <div class="d-flex flex-column gap-1" style="flex:1 1 0;">
                    <button type="button" class="btn btn-outline-success btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#actionStatusModal"
                            data-status="processed"
                            data-label="{% translate 'Marquer comme traitée' %}"
                            data-icon="bi-check2-circle" data-btn-class="btn-success">
                        <i class="bi bi-check2-circle"></i> {% translate "Traitée" %}
                    </button>
                    <button type="button" class="btn btn-outline-info btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#actionStatusModal"
                            data-status="duplicate"
                            data-label="{% translate 'Doublon' %}"
                            data-icon="bi-files" data-btn-class="btn-info">
                        <i class="bi bi-files"></i> {% translate "Doublon" %}
                    </button>
                    <button type="button" class="btn btn-outline-warning btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#actionStatusModal"
                            data-status="to_redirect"
                            data-label="{% translate 'À rediriger' %}"
                            data-icon="bi-reply-all" data-btn-class="btn-warning">
                        <i class="bi bi-reply-all"></i> {% translate "À rediriger" %}
                    </button>
                    <button type="button" class="btn btn-outline-secondary btn-sm w-100"
                            data-bs-toggle="modal" data-bs-target="#actionStatusModal"
                            data-status="not_relevant"
                            data-label="{% translate 'Non relevant' %}"
                            data-icon="bi-slash-circle" data-btn-class="btn-secondary">
                        <i class="bi bi-slash-circle"></i> {% translate "Non relevant" %}
                    </button>
                </div>
            </div>
            {% endif %}
        {% endif %}

        <!-- Envoyer (in_preparation → to_process) -->
        {% if observation.status == 'in_preparation' or not observation.status %}
            <form method="post" action="{% url 'observations:observation_change_status' observation.id %}">
                {% csrf_token %}
                <input type="hidden" name="new_status" value="to_process">
                <button type="submit" class="btn btn-outline-primary btn-sm" style="min-width:120px">
                    <i class="bi bi-send"></i> {% translate "Envoyer" %}
                </button>
            </form>
        {% endif %}

        <!-- Archiver -->
        {% if observation.status == 'processed' or observation.status == 'not_relevant' or observation.status == 'to_redirect' or observation.status == 'duplicate' %}
            {% if 'admin' in user_roles or 'operator' in user_roles or 'manager' in user_roles or 'controller' in user_roles %}
            <form method="post" action="{% url 'observations:observation_change_status' observation.id %}">
                {% csrf_token %}
                <input type="hidden" name="new_status" value="archived">
                <button type="submit" class="btn btn-outline-secondary btn-sm" style="min-width:120px">
                    <i class="bi bi-archive"></i> {% translate "Archiver" %}
                </button>
            </form>
            {% endif %}
        {% endif %}

    </div>
</div>

<!-- Summary badges -->
<div class="d-flex justify-content-between align-items-start mb-2">
    <div>
        <span class="badge bg-light text-dark me-1">{{ observation.code }}</span>
        {% if can_edit or can_delete %}
        <span class="ms-1">
            {% if can_edit %}
                {% if observation.status == 'in_preparation' or observation.status == 'to_process' or observation.status == 'to_redirect' %}
                <a href="{% url 'mobile:observation_edit_mobile' observation.id %}" class="btn btn-outline-secondary btn-sm" style="font-size:small">
                    <i class="bi bi-pencil"></i> {% translate "Modifier" %}
                </a>
                {% endif %}
            {% endif %}
            {% if can_delete %}
            <button type="button" class="btn btn-outline-danger btn-sm" style="font-size:small"
                    data-bs-toggle="modal" data-bs-target="#deleteObservationModal">
                <i class="bi bi-trash"></i> {% translate "Supprimer" %}
            </button>
            {% endif %}
        </span>
        {% endif %}
    </div>
    <div class="d-flex flex-column align-items-end gap-1">
        <span class="badge {% if observation.observation_type == 'incident' %}bg-danger{% else %}bg-info{% endif %}">
            {% if observation.observation_type == 'incident' %}<i class="bi bi-exclamation-triangle me-1"></i>{% else %}<i class="bi bi-clipboard-check me-1"></i>{% endif %}
            {{ observation.get_observation_type_display }}
        </span>
        {% if observation.status == 'in_preparation' %}
            <span class="badge bg-secondary text-dark"><i class="bi bi-hourglass-split me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'to_process' %}
            <span class="badge bg-danger"><i class="bi bi-clock-history me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'in_progress' %}
            <span class="badge bg-warning text-dark"><i class="bi bi-hourglass-split me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'processed' %}
            <span class="badge bg-success"><i class="bi bi-check-circle me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'not_relevant' %}
            <span class="badge bg-secondary"><i class="bi bi-slash-circle me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'to_redirect' %}
            <span class="badge bg-warning text-dark"><i class="bi bi-reply-all me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'duplicate' %}
            <span class="badge bg-info text-dark"><i class="bi bi-files me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'closed' %}
            <span class="badge bg-dark"><i class="bi bi-check-circle-fill me-1"></i>{{ observation.get_status_display }}</span>
        {% elif observation.status == 'archived' %}
            <span class="badge bg-dark"><i class="bi bi-archive me-1"></i>{{ observation.get_status_display }}</span>
        {% endif %}
    </div>
    </div>

<!-- Thematic and Category -->
<div class="info-card">
    <div class="row">
        <div class="col-6">
            <h6 class="text-muted mb-2">{% translate "Thématique" %}</h6>
            {% if observation.thematic %}
            <span class="badge bg-light text-dark">
                <i class="bi {{ observation.thematic.icon }} me-1"></i>
                {{ observation.thematic.name }}
            </span>
            {% else %}
            <p class="mb-0">-</p>
            {% endif %}
        </div>
        <div class="col-6">
            <h6 class="text-muted mb-2">{% translate "Catégorie" %}</h6>
            {% if observation.category %}
            <span class="badge bg-light text-dark">
                {% if observation.category.parent %}{{ observation.category.parent.get_name }} — {% endif %}{{ observation.category.get_name }}
            </span>
            {% else %}
            <p class="mb-0">-</p>
            {% endif %}
        </div>
    </div>
</div>

<!-- Description -->
<div class="info-card">
    <h6 class="text-muted mb-2">{% translate "Description" %}</h6>
    <p class="mb-0">{{ observation.description|default:"-" }}</p>
</div>

<!-- Location -->
{% if observation.address %}
<div class="info-card">
    <h6 class="text-muted mb-2"><i class="bi bi-geo-alt"></i> {% translate "Adresse" %}</h6>
    <p class="mb-0">{{ observation.address }}</p>
</div>
{% endif %}

<!-- Created info -->
<div class="info-card">
    <div class="row">
        <div class="col-6">
            <h6 class="text-muted mb-2">{% translate "Créé le" %}</h6>
            <p class="mb-0">{{ observation.created_at|date:"d/m/Y H:i" }}</p>
        </div>
        <div class="col-6">
            <h6 class="text-muted mb-2">{% translate "Créé par" %}</h6>
            <p class="mb-0">
                {% if observation.created_by %}
                {{ observation.created_by|short_name }}{% with comp=observation.created_by|user_company %}{% if comp %} ({{ comp }}){% endif %}{% endwith %}
                {% else %}
                -
                {% endif %}
            </p>
        </div>
    </div>
</div>

<!-- Symptom -->
{% if observation.symptom %}
<div class="info-card">
    <h6 class="text-muted mb-2">{% translate "Symptôme" %}</h6>
    <span class="badge text-danger">{{ observation.symptom.name_fr }}</span>
 </div>
{% endif %}

<!-- Checklist -->
{% if checklist_template and checklist_items_with_responses %}
<div class="info-card">
    <div class="d-flex justify-content-between align-items-center mb-3">
        <h6 class="text-muted mb-0">
            <i class="bi bi-clipboard-check me-1"></i>
            {{ checklist_template.get_name }}
        </h6>
    </div>
    
    <!-- Display mode -->
    <div id="checklistDisplay">
        {% for item_data in checklist_items_with_responses %}
        <div class="d-flex justify-content-between align-items-start py-2 {% if not forloop.last %}border-bottom{% endif %}">
            <div class="flex-grow-1">
                <div class="fw-medium">{{ item_data.item.get_name }}</div>
                {% if item_data.item.get_description %}
                <small class="text-muted">{{ item_data.item.get_description }}</small>
                {% endif %}
            </div>
            <div class="ms-2 text-end">
                {% if item_data.response %}
                    {% if item_data.item.item_type == 'boolean' %}
                        {% if item_data.response.value_boolean %}
                            <span class="badge bg-success"><i class="bi bi-check-lg"></i> {% translate "Oui" %}</span>
                        {% elif item_data.response.value_boolean == False %}
                            <span class="badge bg-danger"><i class="bi bi-x-lg"></i> {% translate "Non" %}</span>
                        {% else %}
                            <span class="badge bg-secondary">-</span>
                        {% endif %}
                    {% elif item_data.item.item_type == 'text' %}
                        <span class="text-dark">{{ item_data.response.value_text|default:"-" }}</span>
                    {% elif item_data.item.item_type == 'number' %}
                        <span class="text-dark">{{ item_data.response.value_number|default:"-" }}</span>
                    {% elif item_data.item.item_type == 'choice' %}
                        {% display_choice_value item_data.item item_data.response.value_choice %}
                    {% elif item_data.item.item_type == 'choice_multiple' %}
                        {% display_choice_value item_data.item item_data.response.value_choices %}
                    {% endif %}
                    {% if item_data.response.comment %}
                    <div class="small text-muted mt-1"><i class="bi bi-chat-dots"></i> {{ item_data.response.comment }}</div>
                    {% endif %}
                {% else %}
                    <span class="badge bg-secondary">-</span>
                {% endif %}
            </div>
        </div>
        {% endfor %}
    </div>
</div>
{% endif %}

<!-- Linked intervention -->
{% if observation.intervention %}
<div class="info-card">
    <h6 class="text-muted mb-2">{% translate "Intervention liée" %}</h6>
    <div class="d-flex align-items-center gap-2 flex-wrap">
        <span class="badge bg-{{ observation.intervention.get_status_color }} status-{{ observation.intervention.status }}">
            {{ observation.intervention.get_status_display }}
        </span>
        {% if can_view_intervention_summary_modal %}
            <button type="button"
                    class="btn btn-sm btn-outline-secondary"
                    data-bs-toggle="modal"
                    data-bs-target="#interventionSummaryModal"
                    data-summary-url="{% url 'interventions:intervention_summary_modal' observation.intervention.id %}?variant=mobile"
                    data-summary-title="{{ observation.intervention.code }}"
                    title="{% translate 'Voir le résumé' %}">
                <i class="bi bi-eye"></i>
            </button>
        {% endif %}
        {% if can_view_intervention_detail %}
            <a class="btn btn-outline-primary btn-sm" href="{% url 'mobile:intervention_detail_mobile' observation.intervention.id %}">
                <i class="bi bi-link-45deg"></i> {{ observation.intervention.code|default:observation.intervention.id }}
            </a>
        {% else %}
            <span class="text-muted">{{ observation.intervention.code|default:observation.intervention.id }}</span>
        {% endif %}
        
    </div>
</div>
{% endif %}

<!-- Photos -->
{% if photos %}
<div class="info-card">
    <h6 class="text-muted mb-3">{% translate "Photos" %} ({{ photos|length }})</h6>
    <div class="d-flex flex-wrap gap-2">
        {% for photo in photos %}
        {% private_file_url photo 'photo' as photo_url %}
        {% private_file_url photo 'thumbnail' as thumb_url %}
        <img src="{{ thumb_url|default:photo_url }}"
             alt="Photo"
             class="photo-thumbnail"
             data-bs-toggle="modal"
             data-bs-target="#photoLightboxModalMobile"
             onclick="openPhotoLightboxMobile({{ forloop.counter0 }})">
        {% endfor %}
    </div>
</div>
{% endif %}

<!-- Modal lightbox photo carrousel (mobile) -->
<div class="modal fade" id="photoLightboxModalMobile" tabindex="-1" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-fullscreen-sm-down">
        <div class="modal-content bg-dark border-0">
            <div class="modal-header border-0 pb-1 px-3 d-flex justify-content-between align-items-center">
                <span id="photoLightboxCounterMobile" class="text-white-50 small"></span>
                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
            </div>
            <div class="modal-body text-center p-0 position-relative" id="lightboxBodyMobile" style="min-height: 200px; touch-action: pan-y;">
                <button type="button" id="photoPrevBtnMobile"
                        class="btn btn-dark opacity-75 position-absolute start-0 top-50 translate-middle-y ms-2"
                        style="z-index:10; border-radius:50%; width:40px; height:40px; padding:0;"
                        onclick="lightboxNavMobile(-1)">
                    <i class="bi bi-chevron-left"></i>
                </button>
                <img id="photoLightboxImageMobile" src="" alt=""
                     class="img-fluid rounded px-5"
                     style="max-height: 75vh; object-fit: contain;">
                <button type="button" id="photoNextBtnMobile"
                        class="btn btn-dark opacity-75 position-absolute end-0 top-50 translate-middle-y me-2"
                        style="z-index:10; border-radius:50%; width:40px; height:40px; padding:0;"
                        onclick="lightboxNavMobile(1)">
                    <i class="bi bi-chevron-right"></i>
                </button>
            </div>
            <div class="modal-footer border-0 pt-1 justify-content-center">
                <a id="photoLightboxLinkMobile" href="#" target="_blank" class="btn btn-sm btn-outline-light">
                    <i class="bi bi-box-arrow-up-right me-1"></i>{% translate "Ouvrir en plein écran" %}
                </a>
            </div>
        </div>
    </div>
</div>

<!-- Comments -->
<div class="info-card">
    <h6 class="text-muted mb-2">{% translate "Commentaires" %}</h6>
    {% if comments %}
        <div class="list-group list-group-flush">
            {% for c in comments %}
            <div class="list-group-item px-0">
                <div class="d-flex justify-content-between">
                    <div class="fw-semibold small">
                        {{ c.author|short_name }}{% with comp=c.author|user_company %}{% if comp %} ({{ comp }}){% endif %}{% endwith %}
                    </div>
                    <div class="text-muted small">{{ c.created_at|date:"d/m/Y H:i" }}</div>
                </div>
                <div class="mt-1">{{ c.comment|linebreaksbr }}</div>
            </div>
            {% endfor %}
        </div>
    {% else %}
        <p class="text-muted mb-0">{% translate "Aucun commentaire." %}</p>
    {% endif %}
</div>

<!-- Discussions -->
<div class="info-card" id="discussion-mob">
    <h6 class="text-muted mb-3"><i class="bi bi-chat-dots me-1 text-primary"></i>{% translate "Messages" %}</h6>

    {% if discussion_messages %}
    <div class="d-flex flex-column gap-3 mb-3" id="discussion-thread-mob"
         style="max-height:340px; overflow-y:auto; padding-right:2px;">
        {% for msg in discussion_messages %}
        <div class="d-flex {% if msg.author == request.user %}justify-content-end{% endif %}">
            {% if msg.author != request.user %}
            <div class="rounded-circle bg-secondary text-white d-flex align-items-center justify-content-center me-2 flex-shrink-0"
                 style="width:30px;height:30px;font-size:0.75rem;">
                {{ msg.author|short_name|first|upper|default:msg.author.username|first|upper }}
            </div>
            {% endif %}
            <div style="max-width:80%;">
                {% if msg.author != request.user %}
                <div class="small text-muted mb-1">
                    <strong>{{ msg.author|short_name }}{% with comp=msg.author|user_company %}{% if comp %} ({{ comp }}){% endif %}{% endwith %}</strong>
                    · {{ msg.created_at|date:"d/m/Y H:i" }}
                </div>
                {% else %}
                <div class="small text-muted mb-1 text-end">{{ msg.created_at|date:"d/m/Y H:i" }}</div>
                {% endif %}
                <div class="p-2 rounded"
                     style="{% if msg.author == request.user %}background:#e7ebff;{% else %}background:#f1f3f5;{% endif %}
                            border-radius:12px; word-break:break-word; display:inline-block; text-align:left; font-size:0.9rem;">
                    {{ msg.content|render_mentions }}
                    {% if msg.attachments.exists %}
                    <div class="mt-2 d-flex flex-wrap gap-1">
                        {% for att in msg.attachments.all %}
                        {% if att.is_image %}
                        <a href="{{ att.file.url }}" target="_blank">
                            <img src="{{ att.file.url }}" style="width:52px;height:52px;object-fit:cover;border-radius:6px;" alt="{{ att.name }}">
                        </a>
                        {% else %}
                        <a href="{{ att.file.url }}" target="_blank"
                           class="btn btn-sm btn-outline-secondary">
                            <i class="bi bi-paperclip me-1"></i>{{ att.name|truncatechars:20 }}
                        </a>
                        {% endif %}
                        {% endfor %}
                    </div>
                    {% endif %}
                </div>
            </div>
        </div>
        {% endfor %}
    </div>
    {% else %}
    <p class="text-muted small text-center py-2 mb-2">
        <i class="bi bi-chat-square me-1"></i>{% translate "Aucun message." %}
    </p>
    {% endif %}

    {% if can_post_discussion_message %}
    <form method="post"
          action="{% url 'observations:observation_add_message' observation.id %}"
          enctype="multipart/form-data"
          id="msg-form-mob">
        {% csrf_token %}
        <input type="hidden" name="content" id="msg-content-real-mob">
        <div class="d-flex gap-2 align-items-stretch">
            <div class="flex-grow-1 position-relative">
                <textarea id="msg-content-mob" class="form-control form-control-sm"
                          style="height:72px;resize:none;" placeholder="{% translate 'Écrire un message… (@ pour mentionner)' %}"></textarea>
                <div id="mention-dropdown-mob"
                     class="list-group shadow"
                     style="display:none; position:absolute; bottom:100%; left:0; right:0; z-index:1050; max-height:180px; overflow-y:auto; margin-bottom:2px;">
                </div>
            </div>
            <div class="d-flex flex-column gap-1">
                <button type="submit" class="btn btn-primary btn-sm" title="{% translate 'Envoyer' %}">
                    <i class="bi bi-send"></i>
                </button>
                <label class="btn btn-outline-secondary btn-sm mb-0" title="{% translate 'Joindre un fichier' %}">
                    <i class="bi bi-paperclip"></i>
                    <input type="file" name="attachments" multiple class="d-none" id="msg-file-input-mob">
                </label>
            </div>
        </div>
        <div id="msg-file-preview-mob" class="d-flex flex-wrap gap-2 mt-2" style="display:none !important;"></div>
    </form>
    {% endif %}
</div>

<!-- Map -->
{% if geom_geojson %}
<div class="info-card">
    <h6 class="text-muted mb-2">{% translate "Carte" %}</h6>
    <div id="map" style="width: 100%; height: 300px; border-radius: 4px;"></div>
</div>
{% endif %}

<!-- Modal : confirmation changement de statut (avec commentaire optionnel) -->
<div class="modal fade" id="actionStatusModal" tabindex="-1" aria-labelledby="actionStatusModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <form method="post" action="{% url 'observations:observation_change_status' observation.id %}" id="actionStatusForm">
                {% csrf_token %}
                <input type="hidden" name="new_status" id="actionStatusValue">
                <input type="hidden" name="symptom_id" id="actionStatusSymptomId">
                <div class="modal-header">
                    <h5 class="modal-title" id="actionStatusModalLabel"></h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
                </div>
                <div class="modal-body">
                    <!-- Section choix (uniquement pour "à rediriger") -->
                    <div id="redirectChoiceSection" style="display:none;" class="mb-3">
                        <div class="form-check">
                            <input class="form-check-input" type="radio" name="redirectChoice" id="redirectChoiceAuthor" value="author" checked>
                            <label class="form-check-label" for="redirectChoiceAuthor">
                                {% translate "Demander une redirection à l'auteur de l'observation" %}
                            </label>
                        </div>
                        <div class="form-check">
                            <input class="form-check-input" type="radio" name="redirectChoice" id="redirectChoiceSymptom" value="symptom">
                            <label class="form-check-label" for="redirectChoiceSymptom">
                                {% translate "Choisir un nouveau symptôme" %}
                            </label>
                        </div>
                    </div>
                    <!-- Section autocomplete symptôme (uniquement si choix "nouveau symptôme") -->
                    <div id="redirectSymptomSection" style="display:none;" class="mb-2">
                        <label for="redirectSymptomSearch" class="form-label small">{% translate "Symptôme" %} <span class="text-danger">*</span></label>
                        <div class="position-relative">
                            <span class="position-absolute top-50 translate-middle-y ms-2" style="left:0;pointer-events:none;color:#6c757d;"><i class="bi bi-search"></i></span>
                            <input type="text" id="redirectSymptomSearch" class="form-control"
                                   style="padding-left:2rem;"
                                   placeholder="{% translate 'Saisir le nom du symptôme...' %}" autocomplete="off">
                        </div>
                        <div id="redirectSymptomDisplay" class="mt-1 p-2 rounded bg-light small" style="display:none;"></div>
                    </div>
                    <!-- Section commentaire (par défaut pour tous les statuts) -->
                    <div id="redirectCommentSection" class="mb-2">
                        <label for="actionStatusComment" class="form-label small text-muted">{% translate "Commentaire" %} <span class="text-muted fst-italic">({% translate "optionnel" %})</span></label>
                        <textarea id="actionStatusComment" name="comment" class="form-control" rows="3" placeholder="{% translate 'Ajoutez un commentaire...' %}"></textarea>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-outline-secondary btn-sm" data-bs-dismiss="modal">
                        {% translate "Annuler" %}
                    </button>
                    <button type="submit" id="actionStatusSubmitBtn" class="btn btn-sm"></button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Modale résumé intervention -->
{% if observation.intervention and can_view_intervention_summary_modal %}
<div class="modal fade" id="interventionSummaryModal" tabindex="-1" aria-labelledby="interventionSummaryModalLabel" aria-hidden="true">
    <div class="modal-dialog modal-lg modal-dialog-scrollable modal-fullscreen-sm-down">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="interventionSummaryModalLabel" data-base-title="{% translate 'Résumé intervention' %}">{% translate 'Résumé intervention' %}</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
            </div>
            <div class="modal-body" id="interventionSummaryModalBody"></div>
        </div>
    </div>
</div>
{% endif %}

<!-- Modal choix type intervention (correctif / amélioratif) — affiché pour les observations de type inventaire ou remarque -->
<div class="modal fade" id="modalChoixTypeIntervention" tabindex="-1" aria-labelledby="modalChoixTypeInterventionLabelMobile" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modalChoixTypeInterventionLabelMobile">
                    <i class="bi bi-tools"></i> {% translate "Type d'intervention" %}
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
            </div>
            <div class="modal-body">
                <p class="text-muted mb-4">{% translate "Quel type d'intervention souhaitez-vous créer à partir de cette observation ?" %}</p>
                <div class="d-flex gap-3 justify-content-center align-items-stretch">
                    <form method="post" action="{% url 'observations:create_intervention_from_observation' observation.id %}">
                        {% csrf_token %}
                        <input type="hidden" name="maintain_type" value="corrective">
                        <button type="submit" class="btn btn-outline-danger btn-lg px-3 d-flex flex-column align-items-center justify-content-center h-100" style="width:160px;">
                            <i class="bi bi-wrench-adjustable fs-2 mb-2"></i>
                            <strong>{% translate "Correctif" %}</strong>
                            <div class="small text-muted mt-1" style="white-space:normal;word-wrap:break-word;text-align:center;">{% translate "Remédier à un dysfonctionnement" %}</div>
                        </button>
                    </form>
                    <form method="post" action="{% url 'observations:create_intervention_from_observation' observation.id %}">
                        {% csrf_token %}
                        <input type="hidden" name="maintain_type" value="ameliorative">
                        <button type="submit" class="btn btn-outline-success btn-lg px-3 d-flex flex-column align-items-center justify-content-center h-100" style="width:160px;">
                            <i class="bi bi-graph-up-arrow fs-2 mb-2"></i>
                            <strong>{% translate "Amélioratif" %}</strong>
                            <div class="small text-muted mt-1" style="white-space:normal;word-wrap:break-word;text-align:center;">{% translate "Améliorer l'existant" %}</div>
                        </button>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

{% if can_delete %}
<div class="modal fade" id="deleteObservationModal" tabindex="-1" aria-labelledby="deleteObservationModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="deleteObservationModalLabel"><i class="bi bi-trash me-2 text-danger"></i>{% translate "Supprimer l'observation" %}</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                {% blocktranslate with code=observation.code %}Voulez-vous vraiment supprimer l'observation <strong>{{ code }}</strong> ? Cette action est irréversible.{% endblocktranslate %}
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{% translate "Annuler" %}</button>
                <form method="post" action="{% url 'observations:observation_delete' observation.id %}" class="d-inline">
                    {% csrf_token %}
                    <button type="submit" class="btn btn-danger"><i class="bi bi-trash me-1"></i>{% translate "Supprimer" %}</button>
                </form>
            </div>
        </div>
    </div>
</div>
{% endif %}

<!-- Modal : Lier à une intervention existante -->
{% if can_link %}
<div class="modal fade" id="modalLierIntervention" tabindex="-1" aria-labelledby="modalLierInterventionLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modalLierInterventionLabel">
                    <i class="bi bi-link-45deg"></i> {% translate "Lier à une intervention" %}
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
            </div>
            <form method="post" action="{% url 'observations:link_observation_to_intervention' observation.id %}">
                {% csrf_token %}
                <div class="modal-body">
                    <p class="text-muted mb-3">{% translate "Recherchez une intervention par code ou titre." %}</p>
                    <input type="text" class="form-control mb-2" id="searchInterventionInput"
                           placeholder="{% translate 'Code ou titre…' %}" autocomplete="off">
                    <div id="searchInterventionResults" class="list-group mb-2" style="max-height:240px;overflow-y:auto;"></div>
                    <input type="hidden" name="intervention_id" id="selectedInterventionId">
                    <div id="selectedInterventionDisplay" class="d-none alert alert-info py-2 px-3 small mb-0"></div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">{% translate "Annuler" %}</button>
                    <button type="submit" class="btn btn-primary btn-sm" id="btnConfirmLierIntervention" disabled>
                        <i class="bi bi-link-45deg"></i> {% translate "Confirmer" %}
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Modal : Lier à un projet existant -->
<div class="modal fade" id="modalLierProjet" tabindex="-1" aria-labelledby="modalLierProjetLabel" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="modalLierProjetLabel">
                    <i class="bi bi-diagram-3"></i> {% translate "Lier à un projet" %}
                </h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="{% translate 'Fermer' %}"></button>
            </div>
            <form method="post" action="{% url 'observations:link_observation_to_project' observation.id %}">
                {% csrf_token %}
                <div class="modal-body">
                    <p class="text-muted mb-3">{% translate "Recherchez un projet par code ou nom." %}</p>
                    <input type="text" class="form-control mb-2" id="searchProjetInput"
                           placeholder="{% translate 'Code ou nom…' %}" autocomplete="off">
                    <div id="searchProjetResults" class="list-group mb-2" style="max-height:240px;overflow-y:auto;"></div>
                    <input type="hidden" name="project_id" id="selectedProjetId">
                    <div id="selectedProjetDisplay" class="d-none alert alert-info py-2 px-3 small mb-0"></div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">{% translate "Annuler" %}</button>
                    <button type="submit" class="btn btn-primary btn-sm" id="btnConfirmLierProjet" disabled>
                        <i class="bi bi-diagram-3"></i> {% translate "Confirmer" %}
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endif %}

{% endblock content %}

{% block extra_scripts %}
<!-- jQuery + jQuery UI (not in mobile_base.html, needed for symptom autocomplete) -->
<script src="{% static 'common/jquery.min.js' %}"></script>
<script src="{% static 'common/jquery-ui.min.js' %}"></script>
{{ detail_symptoms_autocomplete|json_script:"detail-symptoms-list" }}
<script>
// ---- Carrousel lightbox photos (mobile) ----
const _mobPhotoUrls = [
    {% for photo in photos %}
    {% private_file_url photo 'photo' as photo_url %}
    "{{ photo_url|safe }}"{% if not forloop.last %},{% endif %}
    {% endfor %}
];
let _mobPhotoIdx = 0;

function _mobLightboxShow(index) {
    if (!_mobPhotoUrls.length) return;
    _mobPhotoIdx = ((index % _mobPhotoUrls.length) + _mobPhotoUrls.length) % _mobPhotoUrls.length;
    const url = _mobPhotoUrls[_mobPhotoIdx];
    document.getElementById('photoLightboxImageMobile').src = url;
    document.getElementById('photoLightboxLinkMobile').href = url;
    document.getElementById('photoLightboxCounterMobile').textContent =
        (_mobPhotoIdx + 1) + ' / ' + _mobPhotoUrls.length;
    const showNav = _mobPhotoUrls.length > 1;
    document.getElementById('photoPrevBtnMobile').style.display = showNav ? '' : 'none';
    document.getElementById('photoNextBtnMobile').style.display = showNav ? '' : 'none';
}

function openPhotoLightboxMobile(index) { _mobLightboxShow(index); }
function lightboxNavMobile(dir) { _mobLightboxShow(_mobPhotoIdx + dir); }

// Swipe gauche/droite
(function() {
    const body = document.getElementById('lightboxBodyMobile');
    if (!body) return;
    let startX = null;
    body.addEventListener('touchstart', function(e) {
        startX = e.touches[0].clientX;
    }, { passive: true });
    body.addEventListener('touchend', function(e) {
        if (startX === null) return;
        const dx = e.changedTouches[0].clientX - startX;
        if (Math.abs(dx) > 50) lightboxNavMobile(dx < 0 ? 1 : -1);
        startX = null;
    }, { passive: true });
})();
// ---- fin carrousel ----

// Gestion de la modale de changement de statut
(function() {
    const actionStatusModal = document.getElementById('actionStatusModal');
    if (!actionStatusModal) return;

    // Autocomplete symptôme pour la redirection
    const DETAIL_SYMPTOM_DATA = JSON.parse(document.getElementById('detail-symptoms-list').textContent);
    const _normalizeStr = s => (s || "").normalize("NFD").replace(/\p{Diacritic}/gu, "").toLowerCase();

    $("#redirectSymptomSearch").autocomplete({
        source: function(request, response) {
            const term = _normalizeStr(request.term);
            const items = DETAIL_SYMPTOM_DATA.filter(o => _normalizeStr(o.value).includes(term));
            response(items.slice(0, 20));
        },
        minLength: 2,
        delay: 100,
        focus: function(event, ui) {
            $("#redirectSymptomSearch").val(ui.item.value);
            return false;
        },
        select: function(event, ui) {
            event.preventDefault();
            $("#redirectSymptomSearch").val(ui.item.value);
            document.getElementById('actionStatusSymptomId').value = ui.item.id;
            const display = document.getElementById('redirectSymptomDisplay');
            display.textContent = ui.item.label;
            display.style.display = '';
        }
    });

    function _updateRedirectSections() {
        const isSymptom = document.getElementById('redirectChoiceSymptom') &&
                          document.getElementById('redirectChoiceSymptom').checked;
        document.getElementById('redirectSymptomSection').style.display = isSymptom ? '' : 'none';
        document.getElementById('redirectCommentSection').style.display = isSymptom ? 'none' : '';
    }

    document.querySelectorAll('input[name="redirectChoice"]').forEach(function(radio) {
        radio.addEventListener('change', _updateRedirectSections);
    });

    document.getElementById('actionStatusForm').addEventListener('submit', function(e) {
        const status = document.getElementById('actionStatusValue').value;
        if (status === 'to_redirect') {
            const isSymptom = document.getElementById('redirectChoiceSymptom').checked;
            if (isSymptom && !document.getElementById('actionStatusSymptomId').value) {
                e.preventDefault();
                document.getElementById('redirectSymptomSearch').classList.add('is-invalid');
                document.getElementById('redirectSymptomSearch').focus();
                return;
            }
            if (!isSymptom) {
                document.getElementById('actionStatusSymptomId').value = '';
            }
        }
    });

    actionStatusModal.addEventListener('show.bs.modal', function(event) {
        const button = event.relatedTarget;
        const status = button.getAttribute('data-status');
        const label = button.getAttribute('data-label');
        const icon = button.getAttribute('data-icon');
        const btnClass = button.getAttribute('data-btn-class') || 'btn-primary';
        document.getElementById('actionStatusValue').value = status;
        document.getElementById('actionStatusModalLabel').textContent = label;
        const submitBtn = document.getElementById('actionStatusSubmitBtn');
        submitBtn.className = 'btn btn-sm ' + btnClass;
        submitBtn.innerHTML = '<i class="bi ' + icon + '"></i> {% translate "Confirmer" %}';
        // Réinitialiser les champs
        document.getElementById('actionStatusComment').value = '';
        document.getElementById('actionStatusSymptomId').value = '';
        document.getElementById('redirectSymptomSearch').value = '';
        document.getElementById('redirectSymptomDisplay').style.display = 'none';
        document.getElementById('redirectSymptomDisplay').textContent = '';
        document.getElementById('redirectSymptomSearch').classList.remove('is-invalid');
        // Afficher/masquer la section choix selon le statut
        const isToRedirect = status === 'to_redirect';
        document.getElementById('redirectChoiceSection').style.display = isToRedirect ? '' : 'none';
        document.getElementById('redirectChoiceAuthor').checked = true;
        document.getElementById('redirectSymptomSection').style.display = 'none';
        document.getElementById('redirectCommentSection').style.display = '';
    });
})();
</script>

{% if geom_geojson %}
<!-- MapLibre GL 5.7.0 (local) -->
<link href="{% static 'common/maplibre-gl.css' %}" rel="stylesheet" />
<script src="{% static 'common/maplibre-gl.js' %}"></script>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const geojson = {{ geom_geojson|safe }};
    
    // Initialize map with MapLibre
    const map = new maplibregl.Map({
        container: 'map',
        style: window.MAP_STYLE_LIGHT,
        center: [4.3517, 50.8503], // Brussels
        zoom: 12
    });
    
    map.on('load', function() {
        map.addSource('observation', {
            type: 'geojson',
            data: geojson
        });
        
        // Add marker for point or polygon for area
        const feature = geojson.features[0];
        if (feature.geometry.type === 'Point') {
            // Add a marker at the observation location
            new maplibregl.Marker({ color: '#007cbf' })
                .setLngLat(feature.geometry.coordinates)
                .addTo(map);
            
            // Center on point
            map.flyTo({ center: feature.geometry.coordinates, zoom: 16 });
        } else {
            map.addLayer({
                id: 'observation-fill',
                type: 'fill',
                source: 'observation',
                paint: {
                    'fill-color': '#007cbf',
                    'fill-opacity': 0.3
                }
            });
            
            map.addLayer({
                id: 'observation-outline',
                type: 'line',
                source: 'observation',
                paint: {
                    'line-color': '#007cbf',
                    'line-width': 2
                }
            });
            
            // Fit to bounds
            const bounds = new maplibregl.LngLatBounds();
            feature.geometry.coordinates[0].forEach(coord => bounds.extend(coord));
            map.fitBounds(bounds, { padding: 20 });
        }
    });
});
</script>
{% endif %}

<!-- Script pour la modale de résumé d'intervention -->
<script>
document.addEventListener('DOMContentLoaded', function() {
    const summaryModal = document.getElementById('interventionSummaryModal');
    if (summaryModal) {
        const summaryModalBody = document.getElementById('interventionSummaryModalBody');
        const summaryModalLabel = document.getElementById('interventionSummaryModalLabel');

        summaryModal.addEventListener('show.bs.modal', function(event) {
            const trigger = event.relatedTarget;
            const summaryUrl = trigger?.getAttribute('data-summary-url');
            const summaryTitle = trigger?.getAttribute('data-summary-title');

            if (summaryModalLabel && summaryTitle) {
                summaryModalLabel.textContent = `${summaryModalLabel.dataset.baseTitle || summaryModalLabel.textContent} ${summaryTitle}`.trim();
            }

            summaryModalBody.innerHTML = `
                <div class="text-center py-4">
                    <div class="spinner-border text-primary" role="status">
                        <span class="visually-hidden">{% translate "Chargement..." %}</span>
                    </div>
                </div>
            `;

            if (!summaryUrl) {
                summaryModalBody.innerHTML = '<div class="alert alert-danger">{% translate "URL de résumé manquante" %}</div>';
                return;
            }

            fetch(summaryUrl)
                .then(response => {
                    if (!response.ok) {
                        throw new Error('Network response was not ok');
                    }
                    return response.text();
                })
                .then(html => {
                    summaryModalBody.innerHTML = html;
                })
                .catch(error => {
                    console.error('Error loading intervention summary:', error);
                    summaryModalBody.innerHTML = `<div class="alert alert-danger">{% translate "Erreur lors du chargement du résumé" %}</div>`;
                });
        });
    }
});
</script>

<script>
// ---- Live-search modals : Lier à une intervention / un projet ----
(function () {
    function makeLiveSearch({ inputId, resultsId, hiddenId, displayId, confirmBtnId, searchUrl }) {
        const input   = document.getElementById(inputId);
        const results = document.getElementById(resultsId);
        const hidden  = document.getElementById(hiddenId);
        const display = document.getElementById(displayId);
        const confirm = document.getElementById(confirmBtnId);
        if (!input) return;

        let debounceTimer;

        input.addEventListener('input', function () {
            clearTimeout(debounceTimer);
            const q = this.value.trim();
            if (q.length < 2) { results.innerHTML = ''; return; }
            debounceTimer = setTimeout(() => {
                fetch(`${searchUrl}?q=${encodeURIComponent(q)}`)
                    .then(r => r.json())
                    .then(data => {
                        results.innerHTML = '';
                        if (!data.results.length) {
                            results.innerHTML = '<span class="list-group-item text-muted small">{% translate "Aucun résultat" %}</span>';
                            return;
                        }
                        data.results.forEach(item => {
                            const btn = document.createElement('button');
                            btn.type = 'button';
                            btn.className = 'list-group-item list-group-item-action small';
                            btn.textContent = item.text;
                            btn.addEventListener('click', () => {
                                hidden.value = item.id;
                                display.textContent = item.text;
                                display.classList.remove('d-none');
                                confirm.disabled = false;
                                results.innerHTML = '';
                                input.value = item.text;
                            });
                            results.appendChild(btn);
                        });
                    })
                    .catch(() => { results.innerHTML = ''; });
            }, 300);
        });
    }

    makeLiveSearch({
        inputId:      'searchInterventionInput',
        resultsId:    'searchInterventionResults',
        hiddenId:     'selectedInterventionId',
        displayId:    'selectedInterventionDisplay',
        confirmBtnId: 'btnConfirmLierIntervention',
        searchUrl:    '{% url "observations:api_search_interventions" %}',
    });

    makeLiveSearch({
        inputId:      'searchProjetInput',
        resultsId:    'searchProjetResults',
        hiddenId:     'selectedProjetId',
        displayId:    'selectedProjetDisplay',
        confirmBtnId: 'btnConfirmLierProjet',
        searchUrl:    '{% url "observations:api_search_projects" %}',
    });

    // Reset modals on close
    ['modalLierIntervention', 'modalLierProjet'].forEach(modalId => {
        const el = document.getElementById(modalId);
        if (!el) return;
        el.addEventListener('hidden.bs.modal', function () {
            el.querySelectorAll('input[type=text]').forEach(i => i.value = '');
            el.querySelectorAll('.list-group').forEach(r => r.innerHTML = '');
            el.querySelectorAll('input[type=hidden]').forEach(i => i.value = '');
            el.querySelectorAll('.alert').forEach(d => d.classList.add('d-none'));
            el.querySelectorAll('button[type=submit]').forEach(b => b.disabled = true);
        });
    });
})();
// ---- fin live-search modals ----
</script>

<script>
// ---- Discussion mobile : auto-scroll ----
document.addEventListener('DOMContentLoaded', function () {
    const thread = document.getElementById('discussion-thread-mob');
    if (thread) thread.scrollTop = thread.scrollHeight;
});
// ---- fin auto-scroll ----

// ---- Aperçu pièces jointes (discussion mobile) ----
(function () {
    const fileInput   = document.getElementById('msg-file-input-mob');
    const filePreview = document.getElementById('msg-file-preview-mob');
    if (!fileInput || !filePreview) return;

    fileInput.addEventListener('change', renderPreview);

    function renderPreview() {
        filePreview.innerHTML = '';
        const files = fileInput.files;
        if (!files || files.length === 0) {
            filePreview.style.display = 'none';
            return;
        }
        filePreview.style.display = 'flex';
        Array.from(files).forEach((file, idx) => {
            const isImage = file.type.startsWith('image/');
            const wrapper = document.createElement('div');
            wrapper.className = 'position-relative';
            wrapper.style.cssText = 'display:inline-block;';
            if (isImage) {
                const img = document.createElement('img');
                img.style.cssText = 'width:56px;height:56px;object-fit:cover;border-radius:6px;border:1px solid #dee2e6;';
                img.alt = file.name;
                const reader = new FileReader();
                reader.onload = e => { img.src = e.target.result; };
                reader.readAsDataURL(file);
                wrapper.appendChild(img);
            } else {
                const chip = document.createElement('div');
                chip.className = 'd-flex align-items-center gap-1 bg-light border rounded px-2 py-1 small';
                chip.style.cssText = 'max-width:130px;';
                chip.innerHTML = `<i class="bi bi-paperclip text-secondary"></i>
                    <span class="text-truncate" title="${file.name}">${file.name}</span>`;
                wrapper.appendChild(chip);
            }
            const btn = document.createElement('button');
            btn.type = 'button';
            btn.className = 'btn btn-danger btn-sm position-absolute top-0 end-0 p-0 d-flex align-items-center justify-content-center';
            btn.style.cssText = 'width:18px;height:18px;font-size:10px;border-radius:50%;transform:translate(40%,-40%);line-height:1;';
            btn.innerHTML = '&times;';
            btn.title = '{% translate "Retirer" %}';
            btn.addEventListener('click', () => {
                const dt = new DataTransfer();
                Array.from(fileInput.files).forEach((f, i) => { if (i !== idx) dt.items.add(f); });
                fileInput.files = dt.files;
                renderPreview();
            });
            wrapper.appendChild(btn);
            filePreview.appendChild(wrapper);
        });
    }

    const form = document.getElementById('msg-form-mob');
    if (form) {
        form.addEventListener('submit', () => {
            filePreview.innerHTML = '';
            filePreview.style.display = 'none';
        });
    }
})();
// ---- fin aperçu pièces jointes ----

// ---- @mention autocomplete (discussion mobile) ----
(function () {
    const textarea  = document.getElementById('msg-content-mob');
    const realInput = document.getElementById('msg-content-real-mob');
    const dropdown  = document.getElementById('mention-dropdown-mob');
    const form      = document.getElementById('msg-form-mob');
    if (!textarea || !dropdown || !realInput || !form) return;

    let mentions     = []; // [{start, end, marker}]
    let mentionStart = -1;
    let mentionQuery = null;
    let searchTimer  = null;

    function escHtml(str) {
        return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
    }

    function syncReal() {
        const dv = textarea.value;
        if (!mentions.length) { realInput.value = dv; return; }
        let real = '', pos = 0;
        const sorted = [...mentions].sort((a, b) => a.start - b.start);
        for (const m of sorted) {
            if (m.start > pos) real += dv.slice(pos, m.start);
            real += m.marker;
            pos = m.end;
        }
        real += dv.slice(pos);
        realInput.value = real;
    }

    function shiftMentions(fromPos, delta) {
        for (const m of mentions) {
            if (m.start >= fromPos) { m.start += delta; m.end += delta; }
        }
    }

    function removeMentionsIn(start, end) {
        mentions = mentions.filter(m => m.end <= start || m.start >= end);
    }

    function showDropdown(results) {
        dropdown.innerHTML = '';
        if (!results || !results.length) { hideDropdown(); return; }
        results.forEach(r => {
            const btn = document.createElement('button');
            btn.type = 'button';
            btn.className = 'list-group-item list-group-item-action d-flex align-items-center gap-2 py-2 small';
            const icon     = r.type === 'user' ? 'bi-person-fill' : 'bi-people-fill';
            const badgeCls = r.type === 'user'
                ? 'badge bg-primary-subtle text-primary-emphasis border border-primary-subtle'
                : 'badge bg-info-subtle text-info-emphasis border border-info-subtle';
            btn.innerHTML = `<span class="${badgeCls}"><i class="bi ${icon}"></i></span><span>${escHtml(r.display)}</span>`;
            btn.addEventListener('mousedown', function (e) { e.preventDefault(); insertMention(r); });
            dropdown.appendChild(btn);
        });
        dropdown.style.display = 'block';
    }

    function hideDropdown() {
        dropdown.style.display = 'none';
        dropdown.innerHTML = '';
        mentionStart = -1;
        mentionQuery = null;
    }

    function insertMention(r) {
        const shortTag = `@[${r.display}]`;
        const marker   = r.type === 'user'
            ? `@[${r.display}](u:${r.id})`
            : `@[${r.display}](t:${r.id})`;
        const dv     = textarea.value;
        const qLen   = mentionQuery ? mentionQuery.length : 0;
        const before = dv.slice(0, mentionStart);
        const after  = dv.slice(mentionStart + 1 + qLen);
        textarea.value = before + shortTag + ' ' + after;
        removeMentionsIn(mentionStart, mentionStart + 1 + qLen);
        shiftMentions(mentionStart + 1 + qLen, shortTag.length + 1 - (1 + qLen));
        mentions.push({ start: mentionStart, end: mentionStart + shortTag.length, marker });
        syncReal();
        const pos = mentionStart + shortTag.length + 1;
        textarea.setSelectionRange(pos, pos);
        textarea.focus();
        hideDropdown();
    }

    function searchMentions(q) {
        clearTimeout(searchTimer);
        searchTimer = setTimeout(() => {
            fetch(`{% url 'notifications:api_mention_search' %}?q=${encodeURIComponent(q)}`, {
                headers: { 'X-Requested-With': 'XMLHttpRequest' }
            })
            .then(resp => resp.json())
            .then(data => showDropdown(data.results))
            .catch(() => hideDropdown());
        }, 180);
    }

    textarea.addEventListener('input', function () {
        syncReal();
        const cur    = this.selectionStart;
        const before = this.value.slice(0, cur);
        const match  = before.match(/@([^\s@]*)$/);
        if (!match) { hideDropdown(); return; }
        mentionStart = match.index;
        mentionQuery = match[1];
        if (mentionQuery.length >= 1) searchMentions(mentionQuery);
        else hideDropdown();
    });

    textarea.addEventListener('keydown', function (e) {
        if (dropdown.style.display === 'none') return;
        const items = dropdown.querySelectorAll('button');
        let active  = dropdown.querySelector('button.active');
        if (e.key === 'ArrowDown') {
            e.preventDefault();
            if (!active) { items[0] && items[0].classList.add('active'); }
            else {
                active.classList.remove('active');
                const next = active.nextElementSibling;
                (next || items[0]).classList.add('active');
            }
        } else if (e.key === 'ArrowUp') {
            e.preventDefault();
            if (!active) { items[items.length - 1] && items[items.length - 1].classList.add('active'); }
            else {
                active.classList.remove('active');
                const prev = active.previousElementSibling;
                (prev || items[items.length - 1]).classList.add('active');
            }
        } else if (e.key === 'Enter' && active) {
            e.preventDefault();
            active.dispatchEvent(new MouseEvent('mousedown'));
        } else if (e.key === 'Escape') {
            hideDropdown();
        }
    });

    textarea.addEventListener('blur', function () {
        setTimeout(hideDropdown, 150);
    });

    form.addEventListener('submit', function () {
        syncReal();
        if (!realInput.value.trim()) { textarea.focus(); return false; }
    });
})();
// ---- fin @mention autocomplete ----
</script>
{% endblock extra_scripts %}