{% extends "base.html" %}
{% load static i18n documents_tags %}

{% block title %}{{ building.code }} - {{ building.get_name }} | StreetUp{% endblock %}

{% block extra_head %}
<!-- MapLibre GL CSS -->
<link href="https://unpkg.com/maplibre-gl@3.6.2/dist/maplibre-gl.css" rel="stylesheet" />
<script src="https://unpkg.com/maplibre-gl@3.6.2/dist/maplibre-gl.js"></script>
{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <!-- Breadcrumb & Actions -->
    <div class="d-flex justify-content-between align-items-center mb-3">
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-0">
                <li class="breadcrumb-item"><a href="{% url 'assets:buildings_index' %}">{% translate "Bâtiments publics" %}</a></li>
                <li class="breadcrumb-item active" aria-current="page">{{ building.code }}</li>
            </ol>
        </nav>
        <div class="d-flex gap-2">
            {% if can_edit %}
                <a href="{% url 'assets:publicbuilding_edit' building.pk %}" class="btn btn-primary btn-sm">
                    <i class="bi bi-pencil me-1"></i>{% translate "Modifier" %}
                </a>
            {% endif %}
            <a href="{% url 'assets:buildings_index' %}" class="btn btn-secondary btn-sm">
                <i class="bi bi-arrow-left me-1"></i>{% translate "Retour à la liste" %}
            </a>
        </div>
    </div>

    <!-- Header Card -->
    <div class="card shadow-sm mb-4">
        <div class="card-body">
            <div class="row align-items-center">
                <div class="col-md-8">
                    <h2 class="h4 mb-1">
                        <i class="bi bi-building text-primary me-2"></i>{{ building.code }} - {{ building.get_name }}
                    </h2>
                    <p class="text-muted mb-2"><i class="bi bi-geo-alt me-1"></i>{{ building.address|default:_("Adresse non renseignée") }}</p>
                    <div class="d-flex gap-2 flex-wrap">
                        <span class="badge bg-primary-subtle text-primary border">{{ building.get_usage_type_display }}</span>
                        <span class="badge bg-success-subtle text-success border">{{ building.get_building_status_display }}</span>
                        {% if building.is_erp %}
                            <span class="badge bg-info-subtle text-info border">{{ regional_terms.public_access_short }} (Cat. {{ building.erp_category|default:"-" }})</span>
                        {% endif %}
                    </div>
                </div>
                <div class="col-md-4 text-md-end mt-3 mt-md-0">
                    {% if building.dpe_rating %}
                        <div class="d-inline-block text-center me-3">
                            <span class="d-block text-muted small">{{ regional_terms.energy_diag_short }}</span>
                            <span class="badge bg-success fs-5 px-3 py-2">Classe {{ building.dpe_rating }}</span>
                        </div>
                    {% endif %}
                    {% if building.ges_rating %}
                        <div class="d-inline-block text-center">
                            <span class="d-block text-muted small">{{ regional_terms.carbon_diag_short }}</span>
                            <span class="badge bg-primary fs-5 px-3 py-2">Classe {{ building.ges_rating }}</span>
                        </div>
                    {% endif %}
                </div>
            </div>
        </div>
    </div>

    <!-- 3 Core Tabs Navigation -->
    <ul class="nav nav-tabs mb-4" id="buildingTabs" role="tablist">
        <li class="nav-item" role="presentation">
            <button class="nav-link active" id="overview-tab" data-bs-toggle="tab" data-bs-target="#overview" type="button" role="tab">
                <i class="bi bi-info-circle me-1"></i>{% translate "Vue d'ensemble" %}
            </button>
        </li>
        <li class="nav-item" role="presentation">
            <button class="nav-link" id="equipments-tab" data-bs-toggle="tab" data-bs-target="#equipments" type="button" role="tab">
                <i class="bi bi-gear me-1"></i>{% translate "Équipements" %} ({{ equipments.count }})
            </button>
        </li>
        <li class="nav-item" role="presentation">
            <button class="nav-link" id="interventions-tab" data-bs-toggle="tab" data-bs-target="#interventions" type="button" role="tab">
                <i class="bi bi-tools me-1"></i>{% translate "Interventions" %} ({{ interventions.count }})
            </button>
        </li>
    </ul>

    <!-- Tabs Content -->
    <div class="tab-content" id="buildingTabsContent">
        
        <!-- 1. Vue d'ensemble (Dashboard avec Cards directes) -->
        <div class="tab-pane fade show active" id="overview" role="tabpanel">
            <div class="row g-4">
                
                <!-- Left Column: Propriété, Caractéristiques & Arborescence Niveaux/Locaux/Équipements -->
                <div class="col-md-7">
                    
                    <!-- Card 1: Propriété & Responsables -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-light fw-bold"><i class="bi bi-person-badge me-2"></i>{% translate "Propriété & Responsables" %}</div>
                        <div class="card-body">
                            <table class="table table-borderless mb-0">
                                <tr>
                                    <th class="w-50 text-muted">{% translate "Propriétaire" %} :</th>
                                    <td>{{ building.owner|default:"-" }}</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{% translate "Gestionnaire référent" %} :</th>
                                    <td>{% if building.manager %}{{ building.manager.get_full_name|default:building.manager.username }}{% else %}-{% endif %}</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{% translate "Service occupant" %} :</th>
                                    <td>{{ building.occupant_entity|default:"-" }}</td>
                                </tr>
                            </table>
                        </div>
                    </div>

                    <!-- Card 2: Caractéristiques physiques & Normes -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-light fw-bold"><i class="bi bi-rulers me-2"></i>{% translate "Caractéristiques physiques &" %} {{ regional_terms.public_access_short }}</div>
                        <div class="card-body">
                            <table class="table table-borderless mb-0">
                                <tr>
                                    <th class="w-50 text-muted">{% translate "Année de construction" %} :</th>
                                    <td>{{ building.construction_year|default:"-" }}</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{% translate "Étages / Sous-sols" %} :</th>
                                    <td>{{ building.floors_count }} {% translate "étage(s)" %} / {{ building.basement_count }} {% translate "sous-sol(s)" %}</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{% translate "Surface Utile / Brut" %} :</th>
                                    <td>{{ building.usable_surface_m2|default:"-" }} m² / {{ building.total_surface_m2|default:"-" }} m²</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{{ regional_terms.public_access_category }} :</th>
                                    <td>{{ building.erp_category|default:"-" }}</td>
                                </tr>
                                <tr>
                                    <th class="text-muted">{% translate "Accessibilité PMR" %} :</th>
                                    <td>{% if building.pmr_accessible %}<span class="text-success"><i class="bi bi-check-circle-fill me-1"></i>{% translate "Oui" %}</span>{% else %}<span class="text-muted">{% translate "Non" %}</span>{% endif %}</td>
                                </tr>
                            </table>
                        </div>
                    </div>

                    <!-- Card 3: Arborescence Niveaux, Pièces & Équipements -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-light fw-bold d-flex justify-content-between align-items-center">
                            <span><i class="bi bi-diagram-3 me-2"></i>{% translate "Arborescence du bâtiment" %}</span>
                            <span class="badge bg-primary-subtle text-primary border">{{ levels.count }} {% translate "niveau(x)" %}</span>
                        </div>
                        <div class="card-body p-0">
                            <ul class="list-group list-group-flush">
                                {% for level in levels %}
                                <li class="list-group-item p-3">
                                    <div class="d-flex align-items-center justify-content-between">
                                        <div class="d-flex align-items-center gap-2">
                                            <button class="btn btn-sm btn-light border p-0 px-1 tree-toggle-btn" 
                                                    type="button" 
                                                    data-bs-toggle="collapse" 
                                                    data-bs-target="#level-collapse-{{ level.id }}" 
                                                    aria-expanded="true">
                                                <i class="bi bi-chevron-down small"></i>
                                            </button>
                                            <i class="bi bi-layers text-primary fs-5"></i>
                                            <span class="fw-bold fs-6">{{ level.name }}</span>
                                            <span class="text-muted small">({% translate "Niveau" %} {{ level.level_number }})</span>
                                        </div>
                                        <div>
                                            <span class="badge bg-secondary-subtle text-secondary border me-1">{{ level.rooms.all|length }} {% translate "local(aux)" %}</span>
                                        </div>
                                    </div>

                                    <!-- Locaux sous ce niveau -->
                                    <div id="level-collapse-{{ level.id }}" class="collapse show mt-3 ms-4">
                                        <ul class="list-group list-group-flush border-start border-2 ps-2">
                                            {% for room in level.rooms.all %}
                                            <li class="list-group-item border-0 py-2">
                                                <div class="d-flex align-items-center justify-content-between">
                                                    <div class="d-flex align-items-center gap-2">
                                                        {% if room.equipments.all %}
                                                        <button class="btn btn-sm btn-light border p-0 px-1 tree-toggle-btn collapsed" 
                                                                type="button" 
                                                                data-bs-toggle="collapse" 
                                                                data-bs-target="#room-collapse-{{ room.id }}" 
                                                                aria-expanded="false">
                                                            <i class="bi bi-chevron-right small"></i>
                                                        </button>
                                                        {% else %}
                                                        <span class="px-2"></span>
                                                        {% endif %}
                                                        <i class="bi bi-door-open text-secondary"></i>
                                                        <strong class="small">{{ room.code }}</strong> - <span class="small">{{ room.name }}</span>
                                                        {% if room.surface_m2 %}
                                                            <span class="badge bg-light text-dark border small">{{ room.surface_m2 }} m²</span>
                                                        {% endif %}
                                                    </div>
                                                    {% if room.equipments.all %}
                                                    <span class="badge bg-info-subtle text-info border small">{{ room.equipments.all|length }} {% translate "équipement(s)" %}</span>
                                                    {% endif %}
                                                </div>

                                                <!-- Équipements dans ce local -->
                                                {% if room.equipments.all %}
                                                <div id="room-collapse-{{ room.id }}" class="collapse mt-2 ms-4">
                                                    <ul class="list-group list-group-flush border-start border-2 border-info ps-2">
                                                        {% for eq in room.equipments.all %}
                                                        <li class="list-group-item border-0 py-1 d-flex align-items-center justify-content-between">
                                                            <div class="d-flex align-items-center gap-2">
                                                                <i class="bi bi-gear text-info"></i>
                                                                <a href="{{ eq.get_absolute_url }}" class="fw-bold small text-decoration-none">{{ eq.code }}</a>
                                                                <span class="small">{{ eq.get_name }}</span>
                                                            </div>
                                                            <a href="{{ eq.get_absolute_url }}" class="btn btn-sm btn-outline-primary py-0 px-2 small">
                                                                <i class="bi bi-eye me-1"></i>Détail
                                                            </a>
                                                        </li>
                                                        {% endfor %}
                                                    </ul>
                                                </div>
                                                {% endif %}
                                            </li>
                                            {% empty %}
                                            <li class="list-group-item border-0 text-muted small fst-italic">{% translate "Aucun local enregistré pour ce niveau." %}</li>
                                            {% endfor %}
                                        </ul>
                                    </div>
                                </li>
                                {% empty %}
                                <li class="list-group-item text-center text-muted py-4 mb-0">{% translate "Aucun niveau enregistré pour ce bâtiment." %}</li>
                                {% endfor %}
                            </ul>
                        </div>
                    </div>

                </div>

                <!-- Right Column: Localisation & Documents (sous la carte) -->
                <div class="col-md-5">
                    
                    <!-- Card Localisation & Carte interactive -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-light fw-bold d-flex justify-content-between align-items-center">
                            <span><i class="bi bi-geo-alt me-2"></i>{% translate "Localisation & Carte" %}</span>
                            {% if center_lat and center_lon %}
                            <a href="https://www.google.com/maps?cbll={{ center_lat|floatformat:'6u'}},{{ center_lon|floatformat:'6u'}}&cbp=12,0,0,0,5&layer=c&panoid=" 
                               target="_blank" class="btn btn-sm btn-outline-secondary py-0 px-2">
                                <img src="{% static 'common/google-street-view-logo.png' %}" alt="Street View" height="14" class="me-1">
                                Street View
                            </a>
                            {% endif %}
                        </div>
                        <div class="card-body p-0">
                            <div id="building-map" style="height: 340px; width: 100%; border-radius: 0 0 4px 4px;"></div>
                        </div>
                        <div class="card-footer bg-white p-3">
                            <p class="mb-2 small">
                                <strong>{% translate "Adresse" %} :</strong> {{ building.address|default:_("Non renseignée") }}
                            </p>
                            {% if center_lat and center_lon %}
                            <div class="small text-muted font-monospace">
                                WGS84: {{ center_lat|floatformat:6 }}, {{ center_lon|floatformat:6 }}
                            </div>
                            {% endif %}
                        </div>
                    </div>

                    <!-- Card Documents associés (placée sous la localisation) -->
                    <div class="card shadow-sm mb-4">
                        <div class="card-header bg-light d-flex justify-content-between align-items-center">
                            <span class="fw-bold"><i class="bi bi-file-earmark-text me-2"></i>{% translate "Documents associés" %} ({{ documents.count }})</span>
                            <a href="{% url 'admin:assets_publicbuildingdocument_add' %}?building={{ building.pk }}" class="btn btn-sm btn-outline-primary py-0 px-2">
                                <i class="bi bi-plus-lg me-1"></i>{% translate "Ajouter" %}
                            </a>
                        </div>
                        <div class="card-body">
                            <div class="row row-cols-1 row-cols-sm-2 g-3">
                                {% for doc in documents %}
                                <div class="col">
                                    <div class="card h-100 border text-center p-2">
                                        {% if doc.document.file %}
                                            <i class="bi bi-file-earmark-pdf text-danger fs-2 mb-1"></i>
                                            <div class="small text-truncate w-100 fw-bold" title="{{ doc.document.file.name }}">{{ doc.document.file.name }}</div>
                                            <a href="{{ doc.document.file.url }}" target="_blank" class="btn btn-sm btn-outline-secondary mt-2">
                                                <i class="bi bi-download me-1"></i>{% translate "Télécharger" %}
                                            </a>
                                        {% else %}
                                            <i class="bi bi-file-earmark text-secondary fs-2 mb-1"></i>
                                            <span class="text-muted small">{% translate "Fichier indisponible" %}</span>
                                        {% endif %}
                                    </div>
                                </div>
                                {% empty %}
                                <div class="col-12 text-center text-muted py-3">
                                    <i class="bi bi-folder-x fs-4 d-block mb-1"></i>
                                    {% translate "Aucun document associé." %}
                                </div>
                                {% endfor %}
                            </div>
                        </div>
                    </div>

                </div>

            </div>
        </div>

        <!-- 2. Équipements Tab -->
        <div class="tab-pane fade" id="equipments" role="tabpanel">
            <div class="card shadow-sm">
                <div class="card-body p-0">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="table-light">
                            <tr>
                                <th style="width: 50px;"></th>
                                <th>{% translate "Code / Nom" %}</th>
                                <th>{% translate "Type d'équipement" %}</th>
                                <th>{% translate "Local" %}</th>
                                <th>{% translate "Prochain contrôle" %}</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for eq in equipments %}
                            <tr>
                                <td class="text-center">
                                    <a href="{{ eq.get_absolute_url }}" class="btn btn-sm btn-light border" title="{% translate 'Détail de l\'équipement' %}">
                                        <i class="bi bi-info-circle"></i>
                                    </a>
                                </td>
                                <td>
                                    <a href="{{ eq.get_absolute_url }}" class="fw-bold text-decoration-none">{{ eq.code }}</a> - {{ eq.get_name }}
                                </td>
                                <td>{{ eq.get_equipment_type_display }}</td>
                                <td>{{ eq.room.name|default:"-" }}</td>
                                <td>{{ eq.next_control_date|default:"-" }}</td>
                            </tr>
                            {% empty %}
                            <tr>
                                <td colspan="5" class="text-center text-muted py-4">{% translate "Aucun équipement technique enregistré." %}</td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

        <!-- 3. Interventions Tab -->
        <div class="tab-pane fade" id="interventions" role="tabpanel">
            <div class="card shadow-sm">
                <div class="card-header bg-light d-flex justify-content-between align-items-center">
                    <h5 class="card-title h6 mb-0"><i class="bi bi-tools me-2"></i>{% translate "Interventions & Maintenance" %}</h5>
                    <a href="{% url 'interventions:interventions_index' %}?asset={{ building.pk }}" class="btn btn-sm btn-outline-primary">
                        <i class="bi bi-plus-lg me-1"></i>{% translate "Nouvelle intervention" %}
                    </a>
                </div>
                <div class="card-body p-0">
                    <table class="table table-hover align-middle mb-0">
                        <thead class="table-light">
                            <tr>
                                <th style="width: 50px;"></th>
                                <th>{% translate "Code" %}</th>
                                <th>{% translate "Titre / Objet" %}</th>
                                <th>{% translate "Date de début" %}</th>
                                <th>{% translate "Statut" %}</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for interv in interventions %}
                            <tr>
                                <td>
                                    <a href="{% url 'interventions:interventions_index' %}{{ interv.id }}" class="btn btn-sm btn-light border" title="{% translate 'Détail' %}">
                                        <i class="bi bi-info-circle"></i>
                                    </a>
                                </td>
                                <td><strong>{{ interv.code }}</strong></td>
                                <td>{{ interv.title }}</td>
                                <td>{{ interv.begin_time|date:"d/m/Y H:i"|default:"-" }}</td>
                                <td><span class="badge bg-secondary">{{ interv.get_status_display }}</span></td>
                            </tr>
                            {% empty %}
                            <tr>
                                <td colspan="5" class="text-center text-muted py-4">
                                    <i class="bi bi-tools fs-2 d-block mb-2 text-muted"></i>
                                    {% translate "Aucune intervention enregistrée pour ce bâtiment." %}
                                </td>
                            </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            </div>
        </div>

    </div>
</div>
{% endblock %}

{% block script %}
<script>
document.addEventListener('DOMContentLoaded', function() {
    const buildingGeom = {{ building_geojson_json|safe }};
    const centerLon = {{ center_lon|default:4.3572 }};
    const centerLat = {{ center_lat|default:50.8477 }};
    let map = null;

    function initMap() {
        const container = document.getElementById('building-map');
        if (!container) return;

        map = new maplibregl.Map({
            container: 'building-map',
            style: '{{ MAP_STYLE_LIGHT|default:"https://api.maptiler.com/maps/streets-v2-light/style.json" }}',
            center: [centerLon, centerLat],
            zoom: 16
        });

        map.addControl(new maplibregl.NavigationControl());

        map.on('load', function() {
            if (buildingGeom) {
                map.addSource('building-footprint', {
                    'type': 'geojson',
                    'data': buildingGeom
                });

                map.addLayer({
                    'id': 'building-fill',
                    'type': 'fill',
                    'source': 'building-footprint',
                    'paint': {
                        'fill-color': '#2B579A',
                        'fill-opacity': 0.4
                    }
                });

                map.addLayer({
                    'id': 'building-outline',
                    'type': 'line',
                    'source': 'building-footprint',
                    'paint': {
                        'line-color': '#2B579A',
                        'line-width': 3
                    }
                });
            }
        });
    }

    initMap();

    const overviewTab = document.getElementById('overview-tab');
    if (overviewTab) {
        overviewTab.addEventListener('shown.bs.tab', function () {
            if (map) map.resize();
        });
    }

    // Gestion du chevron plié / déplié dans l'arborescence
    document.querySelectorAll('.tree-toggle-btn').forEach(function(btn) {
        const targetId = btn.getAttribute('data-bs-target');
        const target = document.querySelector(targetId);
        if (target) {
            target.addEventListener('show.bs.collapse', function (e) {
                if (e.target !== target) return;
                const icon = btn.querySelector('i');
                if (icon) {
                    icon.classList.remove('bi-chevron-right');
                    icon.classList.add('bi-chevron-down');
                }
            });
            target.addEventListener('hide.bs.collapse', function (e) {
                if (e.target !== target) return;
                const icon = btn.querySelector('i');
                if (icon) {
                    icon.classList.remove('bi-chevron-down');
                    icon.classList.add('bi-chevron-right');
                }
            });
        }
    });
});
</script>
{% endblock script %}