{% extends "channels/base.html" %}
{% load static %}

{% block title %}{{ zone.name }} - Zone Details - {{ block.super }}{% endblock %}

{% block breadcrumb_items %}
    <li class="breadcrumb-item"><a href="{% url 'channels:zone_list' %}">Distribution Zones</a></li>
    <li class="breadcrumb-item active" aria-current="page">{{ zone.name }}</li>
{% endblock %}

{% block channels_content %}
    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
        <div class="d-flex align-items-center">
            <div class="zone-icon me-3">
                <i class="fas fa-globe fa-2x text-primary"></i>
            </div>
            <div>
                <h1 class="h2 mb-0">{{ zone.name }}</h1>
                <p class="text-muted mb-0">Zone Code: {{ zone.code }}</p>
            </div>
        </div>
        <div class="btn-toolbar mb-2 mb-md-0">
            {% if perms.channels.change_zone %}
            <a href="{% url 'channels:zone_edit' zone.pk %}" class="btn btn-primary me-2">
                <i class="fas fa-edit me-1"></i>Edit Zone
            </a>
            {% endif %}
            <div class="btn-group me-2">
                <button type="button" class="btn btn-outline-secondary dropdown-toggle" data-bs-toggle="dropdown">
                    <i class="fas fa-cog me-1"></i>Actions
                </button>
                <ul class="dropdown-menu">
                    <li><a class="dropdown-item" href="#channels" onclick="scrollToSection('channels')">
                        <i class="fas fa-tv me-2"></i>View Channels
                    </a></li>
                    <li><a class="dropdown-item" href="#configurations" onclick="scrollToSection('configurations')">
                        <i class="fas fa-cogs me-2"></i>View Configurations
                    </a></li>
                    <li><hr class="dropdown-divider"></li>
                    <li><a class="dropdown-item" href="#" onclick="exportZoneData()">
                        <i class="fas fa-download me-2"></i>Export Zone Data
                    </a></li>
                    {% if perms.channels.delete_zone %}
                    <li><hr class="dropdown-divider"></li>
                    <li><a class="dropdown-item text-danger" href="#" 
                           onclick="confirmDelete('{{ zone.name }}', '{% url 'channels:zone_delete' zone.pk %}')">
                        <i class="fas fa-trash me-2"></i>Delete Zone
                    </a></li>
                    {% endif %}
                </ul>
            </div>
        </div>
    </div>

    <!-- Zone Information Cards -->
    <div class="row mb-4">
        <!-- Basic Information -->
        <div class="col-lg-8">
            <div class="card shadow mb-4">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">
                        <i class="fas fa-info-circle me-2"></i>Zone Information
                    </h6>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label text-muted">Zone Name</label>
                                <p class="fw-bold">{{ zone.name }}</p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Zone Code</label>
                                <p><span class="badge bg-primary">{{ zone.code }}</span></p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Status</label>
                                <p><span class="badge bg-{% if zone.is_active %}success{% else %}secondary{% endif %}">
                                    {% if zone.is_active %}Active{% else %}Inactive{% endif %}
                                </span></p>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label class="form-label text-muted">Created</label>
                                <p>{{ zone.created_at|date:"M d, Y H:i" }}</p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Last Updated</label>
                                <p>{{ zone.updated_at|date:"M d, Y H:i" }}</p>
                            </div>
                            <div class="mb-3">
                                <label class="form-label text-muted">Total Channels</label>
                                <p class="fw-bold text-info">{{ zone.channels.count }}</p>
                            </div>
                        </div>
                    </div>
                    {% if zone.description %}
                        <div class="mt-3">
                            <label class="form-label text-muted">Description</label>
                            <p>{{ zone.description }}</p>
                        </div>
                    {% endif %}
                </div>
            </div>
        </div>

        <!-- Statistics -->
        <div class="col-lg-4">
            <div class="card shadow mb-4">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">
                        <i class="fas fa-chart-bar me-2"></i>Statistics
                    </h6>
                </div>
                <div class="card-body text-center">
                    <div class="row">
                        <div class="col-12 mb-3">
                            <div class="border-bottom pb-3">
                                <div class="h3 font-weight-bold text-primary">{{ zone.channels.count }}</div>
                                <div class="text-muted">Total Channels</div>
                            </div>
                        </div>
                        <div class="col-6">
                            <div class="h4 font-weight-bold text-success">{{ zone.active_channels_count }}</div>
                            <div class="small text-muted">Active</div>
                        </div>
                        <div class="col-6">
                            <div class="h4 font-weight-bold text-info">{{ zone.total_configurations }}</div>
                            <div class="small text-muted">Configurations</div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Quick Actions -->
            <div class="card shadow">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-primary">
                        <i class="fas fa-bolt me-2"></i>Quick Actions
                    </h6>
                </div>
                <div class="card-body">
                    <div class="d-grid gap-2">
                        {% if perms.channels.add_channel %}
                        <a href="{% url 'channels:channel_create' %}?zone={{ zone.id }}" class="btn btn-outline-primary">
                            <i class="fas fa-tv me-2"></i>Add Channel
                        </a>
                        {% endif %}
                        {% if perms.channels.change_zone %}
                        <button class="btn btn-outline-success" onclick="manageChannels({{ zone.id }})">
                            <i class="fas fa-cogs me-2"></i>Manage Channels
                        </button>
                        {% endif %}
                        <button class="btn btn-outline-info" onclick="viewStatistics({{ zone.id }})">
                            <i class="fas fa-chart-line me-2"></i>View Analytics
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Channels Section -->
    <div id="channels" class="card shadow mb-4">
        <div class="card-header py-3 d-flex flex-row align-items-center justify-content-between">
            <h6 class="m-0 font-weight-bold text-primary">
                <i class="fas fa-tv me-2"></i>Channels ({{ zone.channels.count }})
            </h6>
            <div class="btn-group">
                {% if perms.channels.add_channel %}
                <a href="{% url 'channels:channel_create' %}?zone={{ zone.id }}" class="btn btn-sm btn-primary">
                    <i class="fas fa-plus me-1"></i>Add Channel
                </a>
                {% endif %}
                <button class="btn btn-sm btn-outline-secondary" onclick="toggleChannelView()">
                    <i class="fas fa-th me-1"></i>Grid View
                </button>
            </div>
        </div>
        <div class="card-body">
            {% if zone.channels.all %}
                <!-- Channels List View -->
                <div id="channelsListView">
                    <div class="table-responsive">
                        <table class="table table-hover">
                            <thead>
                                <tr>
                                    <th>Channel</th>
                                    <th>Type</th>
                                    <th>Country</th>
                                    <th>Language</th>
                                    <th>Status</th>
                                    <th>Configuration</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for channel in zone.channels.all %}
                                    <tr>
                                        <td>
                                            <div class="d-flex align-items-center">
                                                {% if channel.logo %}
                                                    <img src="{{ channel.logo.url }}" alt="{{ channel.name }}" 
                                                         class="channel-logo me-2" width="40" height="40">
                                                {% else %}
                                                    <div class="channel-logo-placeholder me-2">
                                                        <i class="fas fa-tv"></i>
                                                    </div>
                                                {% endif %}
                                                <div>
                                                    <div class="fw-bold">{{ channel.name }}</div>
                                                    <small class="text-muted">ID: {{ channel.id }}</small>
                                                </div>
                                            </div>
                                        </td>
                                        <td><span class="badge bg-primary">{{ channel.get_channel_type_display }}</span></td>
                                        <td><span class="badge bg-info">{{ channel.country.name }}</span></td>
                                        <td><span class="badge bg-success">{{ channel.language }}</span></td>
                                        <td>
                                            <span class="badge bg-{% if channel.is_active %}success{% else %}secondary{% endif %}">
                                                {% if channel.is_active %}Active{% else %}Inactive{% endif %}
                                            </span>
                                        </td>
                                        <td>
                                            {% with channel.channelzone_set.first as config %}
                                                {% if config %}
                                                    <div class="small">
                                                        <div>Video: {{ config.video_codec.name }}</div>
                                                        <div>Audio: {{ config.audio_codec.name }}</div>
                                                        <div>{{ config.bitrate }} kbps</div>
                                                    </div>
                                                {% else %}
                                                    <span class="text-muted">Not configured</span>
                                                {% endif %}
                                            {% endwith %}
                                        </td>
                                        <td>
                                            <div class="btn-group btn-group-sm">
                                                <a href="{% url 'channels:channel_detail' channel.pk %}" 
                                                   class="btn btn-outline-primary" title="View Details">
                                                    <i class="fas fa-eye"></i>
                                                </a>
                                                {% if perms.channels.change_channel %}
                                                <a href="{% url 'channels:channel_edit' channel.pk %}" 
                                                   class="btn btn-outline-secondary" title="Edit Channel">
                                                    <i class="fas fa-edit"></i>
                                                </a>
                                                {% endif %}
                                                <button class="btn btn-outline-info" 
                                                        onclick="configureChannel({{ channel.id }}, {{ zone.id }})" 
                                                        title="Configure">
                                                    <i class="fas fa-cog"></i>
                                                </button>
                                            </div>
                                        </td>
                                    </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                </div>

                <!-- Channels Grid View -->
                <div id="channelsGridView" style="display: none;">
                    <div class="row">
                        {% for channel in zone.channels.all %}
                            <div class="col-xl-3 col-lg-4 col-md-6 mb-4">
                                <div class="card border-left-{% if channel.is_active %}success{% else %}secondary{% endif %} h-100">
                                    <div class="card-body">
                                        <div class="text-center mb-3">
                                            {% if channel.logo %}
                                                <img src="{{ channel.logo.url }}" alt="{{ channel.name }}" 
                                                     class="img-thumbnail" style="max-width: 80px; max-height: 80px;">
                                            {% else %}
                                                <div class="channel-logo-placeholder">
                                                    <i class="fas fa-tv fa-2x text-muted"></i>
                                                </div>
                                            {% endif %}
                                        </div>
                                        <h6 class="card-title text-center">{{ channel.name }}</h6>
                                        <div class="text-center mb-3">
                                            <span class="badge bg-primary">{{ channel.get_channel_type_display }}</span>
                                            <span class="badge bg-{% if channel.is_active %}success{% else %}secondary{% endif %}">
                                                {% if channel.is_active %}Active{% else %}Inactive{% endif %}
                                            </span>
                                        </div>
                                        <div class="d-grid gap-2">
                                            <a href="{% url 'channels:channel_detail' channel.pk %}" class="btn btn-sm btn-outline-primary">
                                                <i class="fas fa-eye me-1"></i>View
                                            </a>
                                            {% if perms.channels.change_channel %}
                                            <button class="btn btn-sm btn-outline-secondary" onclick="configureChannel({{ channel.id }}, {{ zone.id }})">
                                                <i class="fas fa-cog me-1"></i>Configure
                                            </button>
                                            {% endif %}
                                        </div>
                                    </div>
                                </div>
                            </div>
                        {% endfor %}
                    </div>
                </div>
            {% else %}
                <div class="text-center text-muted py-4">
                    <i class="fas fa-tv fa-3x mb-3"></i>
                    <p>No channels assigned to this zone.</p>
                    {% if perms.channels.add_channel %}
                        <a href="{% url 'channels:channel_create' %}?zone={{ zone.id }}" class="btn btn-primary">
                            <i class="fas fa-plus me-1"></i>Add First Channel
                        </a>
                    {% endif %}
                </div>
            {% endif %}
        </div>
    </div>

    <!-- Configurations Section -->
    <div id="configurations" class="card shadow mb-4">
        <div class="card-header py-3 d-flex flex-row align-items-center justify-content-between">
            <h6 class="m-0 font-weight-bold text-primary">
                <i class="fas fa-cogs me-2"></i>Channel Configurations
            </h6>
            {% if perms.channels.add_channelzone %}
            <button class="btn btn-sm btn-primary" onclick="addConfiguration({{ zone.id }})">
                <i class="fas fa-plus me-1"></i>Add Configuration
            </button>
            {% endif %}
        </div>
        <div class="card-body">
            {% if zone.channelzone_set.all %}
                <div class="table-responsive">
                    <table class="table table-hover">
                        <thead>
                            <tr>
                                <th>Channel</th>
                                <th>Video Codec</th>
                                <th>Audio Codec</th>
                                <th>Bitrate</th>
                                <th>Resolution</th>
                                <th>Status</th>
                                <th>Actions</th>
                            </tr>
                        </thead>
                        <tbody>
                            {% for config in zone.channelzone_set.all %}
                                <tr>
                                    <td>
                                        <div class="d-flex align-items-center">
                                            {% if config.channel.logo %}
                                                <img src="{{ config.channel.logo.url }}" alt="{{ config.channel.name }}" 
                                                     class="channel-logo me-2" width="30" height="30">
                                            {% endif %}
                                            <span>{{ config.channel.name }}</span>
                                        </div>
                                    </td>
                                    <td><span class="badge bg-primary">{{ config.video_codec.name }}</span></td>
                                    <td><span class="badge bg-success">{{ config.audio_codec.name }}</span></td>
                                    <td>{{ config.bitrate }} kbps</td>
                                    <td>{{ config.resolution|default:"-" }}</td>
                                    <td>
                                        <span class="badge bg-{% if config.is_active %}success{% else %}secondary{% endif %}">
                                            {% if config.is_active %}Active{% else %}Inactive{% endif %}
                                        </span>
                                    </td>
                                    <td>
                                        {% if perms.channels.change_channelzone %}
                                        <div class="btn-group btn-group-sm">
                                            <button class="btn btn-outline-primary" onclick="editConfiguration({{ config.id }})">
                                                <i class="fas fa-edit"></i>
                                            </button>
                                            <button class="btn btn-outline-danger" onclick="deleteConfiguration({{ config.id }})">
                                                <i class="fas fa-trash"></i>
                                            </button>
                                        </div>
                                        {% endif %}
                                    </td>
                                </tr>
                            {% endfor %}
                        </tbody>
                    </table>
                </div>
            {% else %}
                <div class="text-center text-muted py-4">
                    <i class="fas fa-cogs fa-3x mb-3"></i>
                    <p>No channel configurations found for this zone.</p>
                    {% if perms.channels.add_channelzone %}
                        <button class="btn btn-primary" onclick="addConfiguration({{ zone.id }})">
                            <i class="fas fa-plus me-1"></i>Add First Configuration
                        </button>
                    {% endif %}
                </div>
            {% endif %}
        </div>
    </div>

    <!-- Delete Confirmation Modal -->
    <div class="modal fade" id="deleteModal" tabindex="-1" aria-labelledby="deleteModalLabel" aria-hidden="true">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title" id="deleteModalLabel">
                        <i class="fas fa-exclamation-triangle text-danger me-2"></i>Confirm Deletion
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body">
                    <p>Are you sure you want to delete the zone <strong id="deleteZoneName"></strong>?</p>
                    <div class="alert alert-warning">
                        <i class="fas fa-exclamation-triangle me-2"></i>
                        This action cannot be undone. All channel configurations associated with this zone will also be deleted.
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <a href="#" id="deleteConfirmBtn" class="btn btn-danger">
                        <i class="fas fa-trash me-1"></i>Delete Zone
                    </a>
                </div>
            </div>
        </div>
    </div>
{% endblock %}

{% block extra_footer_js %}
    <script>
        function confirmDelete(zoneName, deleteUrl) {
            document.getElementById('deleteZoneName').textContent = zoneName;
            document.getElementById('deleteConfirmBtn').href = deleteUrl;
            var deleteModal = new bootstrap.Modal(document.getElementById('deleteModal'));
            deleteModal.show();
        }

        function scrollToSection(sectionId) {
            document.getElementById(sectionId).scrollIntoView({ behavior: 'smooth' });
        }

        function toggleChannelView() {
            const listView = document.getElementById('channelsListView');
            const gridView = document.getElementById('channelsGridView');
            
            if (listView.style.display === 'none') {
                listView.style.display = 'block';
                gridView.style.display = 'none';
            } else {
                listView.style.display = 'none';
                gridView.style.display = 'block';
            }
        }

        function manageChannels(zoneId) {
            // Implement manage channels functionality
            window.location.href = '{% url "channels:channel_list" %}?zone=' + zoneId;
        }

        function configureChannel(channelId, zoneId) {
            // Implement channel configuration functionality
            alert('Configure channel ' + channelId + ' for zone ' + zoneId);
        }

        function addConfiguration(zoneId) {
            // Implement add configuration functionality
            alert('Add configuration for zone ' + zoneId);
        }

        function editConfiguration(configId) {
            // Implement edit configuration functionality
            alert('Edit configuration ' + configId);
        }

        function deleteConfiguration(configId) {
            if (confirm('Are you sure you want to delete this configuration?')) {
                // Implement delete configuration functionality
                alert('Delete configuration ' + configId);
            }
        }

        function viewStatistics(zoneId) {
            // Implement view statistics functionality
            alert('View statistics for zone ' + zoneId);
        }

        function exportZoneData() {
            // Implement export zone data functionality
            alert('Export zone data functionality');
        }
    </script>
{% endblock %}