{% extends 'mobile/mobile_base.html' %}
{% load static %}
{% load i18n %}

{% block title %}{{ item.serial_number }}{% endblock title %}

{% block upleft %}
<a href="{% url 'mobile:stock_product_detail_mobile' item.product.pk %}" class="nav-link" style="color: white;">
    <i class="bi bi-arrow-left fs-3"></i>
</a>
{% endblock upleft %}

{% block extra_head %}
<style>
    .info-card {
        border-radius: 0.75rem;
        border: 1px solid #dee2e6;
        background: #fff;
        padding: 0.9rem 1rem;
        margin-bottom: 0.75rem;
        box-shadow: 0 2px 6px rgba(47,62,139,0.06);
    }
    .info-label {
        font-size: 0.78rem;
        color: #6c757d;
        text-transform: uppercase;
        letter-spacing: .04em;
        margin-bottom: 0.2rem;
    }
    .info-value {
        font-size: 1rem;
        font-weight: 600;
        color: #212529;
    }
    .section-title {
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: .06em;
        color: #6c757d;
        margin: 1.1rem 0 0.5rem;
    }
    .event-row {
        padding: 0.65rem 0;
        border-bottom: 1px solid #f0f0f0;
        font-size: 0.9rem;
    }
    .event-row:last-child { border-bottom: none; }
    .qr-container {
        text-align: center;
        padding: 1.1rem;
        background: #fff;
        border-radius: 0.75rem;
        border: 1px solid #dee2e6;
        margin-bottom: 0.75rem;
        box-shadow: 0 2px 6px rgba(47,62,139,0.06);
    }
    .qr-img {
        width: 180px;
        height: 180px;
        display: block;
        margin: 0 auto 0.75rem;
    }
    .form-section {
        background: #f8f9ff;
        border-radius: 0.75rem;
        border: 1px solid #c5cde8;
        padding: 1rem;
        margin-bottom: 0.75rem;
    }
</style>
{% endblock extra_head %}

{% block content %}

<!-- En-tête article -->
<div class="info-card d-flex justify-content-between align-items-start">
    <div style="flex:1;min-width:0;">
        <div class="info-label">{% translate "Numéro de série" %}</div>
        <div class="info-value" style="font-family:monospace;font-size:1.1rem;word-break:break-all;">{{ item.serial_number }}</div>
        <div class="mt-1">
            <a href="{% url 'mobile:stock_product_detail_mobile' item.product.pk %}" style="font-size:0.9rem;color:#2f3e8b;text-decoration:none;">
                <i class="bi bi-box-seam me-1"></i>{{ item.product.name }}
            </a>
        </div>
        {% if item.product.category %}
        <span class="badge bg-secondary mt-1" style="font-size:0.75rem;">{{ item.product.category.name_fr }}</span>
        {% endif %}
    </div>
    <div class="ms-2 flex-shrink-0">
        {% if item.status == 'available' %}
            <span class="badge bg-success fs-6">{{ item.get_status_display }}</span>
        {% elif item.status == 'assigned' %}
            <span class="badge bg-primary fs-6">{{ item.get_status_display }}</span>
        {% elif item.status == 'lost' %}
            <span class="badge bg-danger fs-6">{{ item.get_status_display }}</span>
        {% else %}
            <span class="badge bg-secondary fs-6">{{ item.get_status_display }}</span>
        {% endif %}
    </div>
</div>

<!-- Informations actuelles -->
<div class="row g-2 mb-1">
    <div class="col-6">
        <div class="info-card py-2">
            <div class="info-label"><i class="bi bi-person me-1"></i>{% translate "Détenteur" %}</div>
            {% if item.current_holder %}
            <div class="info-value" style="font-size:0.9rem;">{{ item.current_holder.name }}</div>
            {% if item.current_holder.teams.exists %}
            <div style="font-size:0.78rem;color:#6c757d;">{{ item.current_holder.teams_display }}</div>
            {% endif %}
            {% else %}
            <div class="text-muted fst-italic" style="font-size:0.88rem;">{% translate "Aucun" %}</div>
            {% endif %}
        </div>
    </div>
    <div class="col-6">
        <div class="info-card py-2">
            <div class="info-label"><i class="bi bi-geo-alt me-1"></i>{% translate "Emplacement" %}</div>
            {% if item.current_location %}
            <div class="info-value" style="font-size:0.9rem;">{{ item.current_location.name }}</div>
            <div style="font-size:0.78rem;color:#6c757d;">{{ item.current_location.warehouse.name }}</div>
            {% else %}
            <div class="text-muted fst-italic" style="font-size:0.88rem;">{% translate "Non renseigné" %}</div>
            {% endif %}
        </div>
    </div>
</div>

<!-- Notes -->
{% if item.notes %}
<div class="info-card">
    <div class="info-label"><i class="bi bi-sticky me-1"></i>{% translate "Notes" %}</div>
    <div style="font-size:0.92rem;color:#444;">{{ item.notes }}</div>
</div>
{% endif %}

<!-- QR Code -->
{% if item.qr_code %}
<div class="qr-container">
    <div class="info-label mb-2">{% translate "QR Code" %}</div>
    <a href="{{ item.qr_code.url }}" target="_blank">
        <img src="{{ item.qr_code.url }}" alt="QR {{ item.serial_number }}" class="qr-img">
    </a>
    <div class="text-muted" style="font-size:0.82rem;">{{ item.serial_number }}</div>
</div>
{% endif %}

<!-- Enregistrer un événement -->
{% if can_manage and item.status != 'retired' %}
<hr>
<div class="section-title"><i class="bi bi-plus-circle me-1"></i>{% translate "Enregistrer un événement" %}</div>
<div class="form-section">
    <form method="post" action="{% url 'stock:serialized_item_event_create' item.pk %}?next={{ request.path }}">
        {% csrf_token %}
        <div class="mb-3">
            <label class="form-label fw-semibold" for="mob-event-type">
                {% translate "Type d'événement" %} <span class="text-danger">*</span>
            </label>
            <select name="event_type" id="mob-event-type" class="form-select" required>
                <option value="">— {% translate "Choisir" %} —</option>
                <option value="assigned">{% translate "Attribué" %}</option>
                <option value="returned">{% translate "Rendu" %}</option>
                <option value="transferred">{% translate "Transféré" %}</option>
                <option value="lost">{% translate "Perdu" %}</option>
                <option value="retired">{% translate "Retiré du service" %}</option>
                <option value="note">{% translate "Note" %}</option>
            </select>
        </div>
        <div class="mb-3" id="mob-field-person">
            <label class="form-label fw-semibold" for="mob-event-person">
                {% translate "Personne" %}
            </label>
            <select name="person" id="mob-event-person" class="form-select">
                <option value="">— {% translate "Aucune" %} —</option>
                {% for member in members %}
                <option value="{{ member.pk }}"
                    {% if item.current_holder_id == member.pk %}selected{% endif %}>
                    {{ member.name }}{% if member.teams.exists %} ({{ member.teams_display }}){% endif %}
                </option>
                {% endfor %}
            </select>
        </div>
        <div class="mb-3" id="mob-field-location">
            <label class="form-label fw-semibold" for="mob-event-location">
                {% translate "Emplacement de destination" %}
            </label>
            <select name="to_location" id="mob-event-location" class="form-select">
                <option value="">— {% translate "Aucun" %} —</option>
                {% for loc in locations %}
                <option value="{{ loc.pk }}">{{ loc.warehouse.name }} — {{ loc.name }}</option>
                {% endfor %}
            </select>
        </div>
        <div class="mb-3">
            <label class="form-label fw-semibold" for="mob-event-notes">
                {% translate "Remarques" %}
            </label>
            <input type="text" name="notes" id="mob-event-notes" class="form-control"
                   placeholder="{% translate 'Remarques optionnelles…' %}">
        </div>
        <button type="submit" class="btn btn-primary w-100">
            <i class="bi bi-check2 me-1"></i>{% translate "Enregistrer" %}
        </button>
    </form>
</div>
{% endif %}

<hr>

<!-- Historique des événements -->
<div class="section-title d-flex justify-content-between align-items-center"
     data-bs-toggle="collapse" data-bs-target="#collapseEvents" role="button"
     aria-expanded="true" aria-controls="collapseEvents" style="cursor:pointer;">
    <span>
        <i class="bi bi-clock-history me-1"></i>{% translate "Historique" %}
        {% if events %}<span class="badge bg-secondary ms-1" style="font-size:0.75rem;">{{ events|length }}</span>{% endif %}
    </span>
    <i class="bi bi-chevron-down" style="font-size:0.8rem;"></i>
</div>
<div class="collapse show" id="collapseEvents">
    <div class="info-card">
        {% for event in events %}
        <div class="event-row">
            <div class="d-flex justify-content-between align-items-start">
                <div style="flex:1;min-width:0;">
                    <div class="d-flex align-items-center gap-2 flex-wrap mb-1">
                        {% if event.event_type == 'entry' %}
                            <span class="badge bg-info text-dark">{{ event.get_event_type_display }}</span>
                        {% elif event.event_type == 'assigned' %}
                            <span class="badge bg-primary">{{ event.get_event_type_display }}</span>
                        {% elif event.event_type == 'returned' %}
                            <span class="badge bg-success">{{ event.get_event_type_display }}</span>
                        {% elif event.event_type == 'transferred' %}
                            <span class="badge bg-warning text-dark">{{ event.get_event_type_display }}</span>
                        {% elif event.event_type == 'lost' %}
                            <span class="badge bg-danger">{{ event.get_event_type_display }}</span>
                        {% elif event.event_type == 'retired' %}
                            <span class="badge bg-secondary">{{ event.get_event_type_display }}</span>
                        {% else %}
                            <span class="badge bg-light text-dark border">{{ event.get_event_type_display }}</span>
                        {% endif %}
                        {% if event.person %}
                        <span style="font-size:0.83rem;color:#444;">
                            <i class="bi bi-person me-1"></i>{{ event.person.name }}
                        </span>
                        {% endif %}
                    </div>
                    {% if event.from_location or event.to_location %}
                    <div style="font-size:0.8rem;color:#6c757d;" class="mb-1">
                        {% if event.from_location %}
                            <i class="bi bi-box-arrow-right me-1"></i>{{ event.from_location.warehouse.name }} — {{ event.from_location.name }}
                        {% endif %}
                        {% if event.from_location and event.to_location %}
                            <i class="bi bi-arrow-right mx-1"></i>
                        {% endif %}
                        {% if event.to_location %}
                            {% if not event.from_location %}<i class="bi bi-box-arrow-in-right me-1"></i>{% endif %}
                            {{ event.to_location.warehouse.name }} — {{ event.to_location.name }}
                        {% endif %}
                    </div>
                    {% endif %}
                    {% if event.notes %}
                    <div style="font-size:0.82rem;color:#555;font-style:italic;">{{ event.notes }}</div>
                    {% endif %}
                </div>
                <div class="text-end flex-shrink-0 ms-2" style="font-size:0.78rem;color:#6c757d;min-width:70px;">
                    {{ event.date|date:"d/m/Y" }}<br>{{ event.date|date:"H:i" }}
                </div>
            </div>
            {% if event.created_by %}
            <div style="font-size:0.75rem;color:#aaa;" class="mt-1">
                {% translate "par" %} {{ event.created_by.get_full_name|default:event.created_by.username }}
            </div>
            {% endif %}
        </div>
        {% empty %}
        <div class="text-center text-muted py-3" style="font-size:0.9rem;">
            {% translate "Aucun événement enregistré." %}
        </div>
        {% endfor %}
    </div>
</div>

<div class="text-muted text-center mt-2 mb-3" style="font-size:0.78rem;">
    {% translate "Enregistré le" %} {{ item.created_at|date:"d/m/Y H:i" }}
    {% if item.created_by %}{% translate "par" %} {{ item.created_by.get_full_name|default:item.created_by.username }}{% endif %}
</div>

{% endblock content %}

{% block extra_scripts %}
<script>
(function () {
    // Masquer/afficher les champs personne et emplacement selon le type d'événement
    const eventTypeSelect = document.getElementById('mob-event-type');
    const fieldPerson = document.getElementById('mob-field-person');
    const fieldLocation = document.getElementById('mob-field-location');

    if (!eventTypeSelect) return;

    function updateFields() {
        const val = eventTypeSelect.value;
        const showPerson = ['assigned', 'returned', 'note'].includes(val);
        const showLocation = ['transferred', 'returned', 'entry'].includes(val);

        if (fieldPerson) fieldPerson.style.display = showPerson ? '' : 'none';
        if (fieldLocation) fieldLocation.style.display = showLocation ? '' : 'none';
    }

    eventTypeSelect.addEventListener('change', updateFields);
    updateFields();
})();
</script>
{% endblock extra_scripts %}