{% extends "layout.html" %}

{% block content %}
<div class="announcements-container">
    <!-- Header Section -->
    <div class="page-header">
        <div class="header-content">
            <div class="header-left">
                <h1 class="page-title">
                    <span class="page-icon"><i class="ti ti-speakerphone"></i></span>
                    System Announcements
                </h1>
                <p class="page-subtitle">Manage system-wide announcements and notifications</p>
            </div>
            <div class="header-actions">
                <a href="{{ url_for('system_admin.system_admin_dashboard') }}" class="btn btn-secondary">
                    <i class="ti ti-arrow-left"></i>
                    Back to Dashboard
                </a>
                <a href="{{ url_for('announcements.create') }}" class="btn btn-primary">
                    <i class="ti ti-plus"></i>
                    New Announcement
                </a>
            </div>
        </div>
    </div>

    <!-- Announcements Table -->
    {% if announcements.items %}
    <div class="card">
        <div class="card-body no-padding">
            <table class="table">
                <thead>
                    <tr>
                        <th>Title</th>
                        <th>Type</th>
                        <th>Status</th>
                        <th>Start Date</th>
                        <th>End Date</th>
                        <th>Target</th>
                        <th>Created</th>
                        <th>Actions</th>
                    </tr>
                </thead>
                <tbody>
                    {% for announcement in announcements.items %}
                    <tr class="{% if not announcement.is_active %}inactive-row{% endif %}">
                        <td>
                            <div class="announcement-title">
                                <strong>{{ announcement.title }}</strong>
                                {% if announcement.is_urgent %}
                                    <span class="badge badge-urgent">URGENT</span>
                                {% endif %}
                            </div>
                        </td>
                        <td>
                            <span class="type-badge type-{{ announcement.announcement_type }}">
                                {{ announcement.announcement_type.title() }}
                            </span>
                        </td>
                        <td>
                            {% if announcement.is_active %}
                                {% if announcement.is_visible_now() %}
                                    <span class="status-badge status-active">Active</span>
                                {% else %}
                                    <span class="status-badge status-scheduled">Scheduled</span>
                                {% endif %}
                            {% else %}
                                <span class="status-badge status-inactive">Inactive</span>
                            {% endif %}
                        </td>
                        <td>
                            {% if announcement.start_date %}
                                <span class="date-text">{{ announcement.start_date.strftime('%Y-%m-%d %H:%M') }}</span>
                            {% else %}
                                <em class="text-muted">Immediate</em>
                            {% endif %}
                        </td>
                        <td>
                            {% if announcement.end_date %}
                                <span class="date-text">{{ announcement.end_date.strftime('%Y-%m-%d %H:%M') }}</span>
                            {% else %}
                                <em class="text-muted">No expiry</em>
                            {% endif %}
                        </td>
                        <td>
                            {% if announcement.target_all_users %}
                                <span class="target-badge target-all">
                                    <i class="ti ti-users"></i>
                                    All Users
                                </span>
                            {% else %}
                                <span class="target-badge target-specific">
                                    <i class="ti ti-target"></i>
                                    Targeted
                                </span>
                            {% endif %}
                        </td>
                        <td>
                            <span class="date-text">{{ announcement.created_at.strftime('%Y-%m-%d') }}</span>
                        </td>
                        <td>
                            <div class="action-buttons">
                                <a href="{{ url_for('announcements.edit', id=announcement.id) }}" 
                                   class="btn-icon" title="Edit">
                                    <i class="ti ti-pencil"></i>
                                </a>
                                <form method="POST" action="{{ url_for('announcements.delete', id=announcement.id) }}" 
                                      style="display: inline-block;" 
                                      onsubmit="return confirm('Are you sure you want to delete this announcement?')">
                                    <button type="submit" class="btn-icon danger" title="Delete">
                                        <i class="ti ti-trash"></i>
                                    </button>
                                </form>
                            </div>
                        </td>
                    </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    </div>

    <!-- Pagination -->
    {% if announcements.pages > 1 %}
    <div class="pagination-container">
        <div class="pagination">
            {% if announcements.has_prev %}
                <a href="{{ url_for('announcements.index', page=announcements.prev_num) }}" class="page-link">
                    <i class="ti ti-chevron-left"></i>
                    Previous
                </a>
            {% endif %}
            
            <div class="page-numbers">
                {% for page_num in announcements.iter_pages() %}
                    {% if page_num %}
                        {% if page_num != announcements.page %}
                            <a href="{{ url_for('announcements.index', page=page_num) }}" class="page-link">{{ page_num }}</a>
                        {% else %}
                            <span class="page-link current">{{ page_num }}</span>
                        {% endif %}
                    {% else %}
                        <span class="page-dots">...</span>
                    {% endif %}
                {% endfor %}
            </div>
            
            {% if announcements.has_next %}
                <a href="{{ url_for('announcements.index', page=announcements.next_num) }}" class="page-link">
                    Next
                    <i class="ti ti-chevron-right"></i>
                </a>
            {% endif %}
        </div>
        
        <div class="pagination-info">
            Showing {{ announcements.per_page * (announcements.page - 1) + 1 }} - 
            {{ announcements.per_page * (announcements.page - 1) + announcements.items|length }} of {{ announcements.total }} announcements
        </div>
    </div>
    {% endif %}

    {% else %}
    <!-- Empty State -->
    <div class="empty-state">
        <div class="empty-icon"><i class="ti ti-speakerphone"></i></div>
        <h3 class="empty-title">No announcements found</h3>
        <p class="empty-message">Create your first announcement to communicate with users.</p>
        <a href="{{ url_for('announcements.create') }}" class="btn btn-primary">
            <i class="ti ti-plus"></i>
            Create Announcement
        </a>
    </div>
    {% endif %}
</div>

<style>
/* Container */
.announcements-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-icon {
    font-size: 2.5rem;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0.5rem 0 0 0;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid #e5e7eb;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.card-body {
    padding: 1.5rem;
}

.card-body.no-padding {
    padding: 0;
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
}

.table tr:hover {
    background: #f8f9fa;
}

.inactive-row {
    opacity: 0.6;
}

/* Announcement Title */
.announcement-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Badges */
.badge,
.status-badge,
.type-badge,
.target-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-urgent {
    background: #fee2e2;
    color: #991b1b;
}

/* Type Badges */
.type-info {
    background: #dbeafe;
    color: #1e40af;
}

.type-warning {
    background: #fef3c7;
    color: #92400e;
}

.type-success {
    background: #d1fae5;
    color: #065f46;
}

.type-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Status Badges */
.status-active {
    background: #d1fae5;
    color: #065f46;
}

.status-scheduled {
    background: #fef3c7;
    color: #92400e;
}

.status-inactive {
    background: #e5e7eb;
    color: #374151;
}

/* Target Badges */
.target-badge {
    font-size: 0.875rem;
}

.target-all {
    background: #ede9fe;
    color: #5b21b6;
}

.target-specific {
    background: #dbeafe;
    color: #1e40af;
}

/* Date Text */
.date-text {
    color: #6b7280;
    font-size: 0.9rem;
}

.text-muted {
    color: #9ca3af;
    font-style: italic;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    color: #6b7280;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-icon:hover {
    background: #667eea;
    color: white;
    transform: translateY(-1px);
}

.btn-icon.danger:hover {
    background: #dc2626;
}

/* Pagination */
.pagination-container {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-numbers {
    display: flex;
    gap: 0.25rem;
}

.page-link {
    padding: 0.5rem 1rem;
    border: 1px solid #e5e7eb;
    color: #667eea;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.page-link:hover {
    background: #f3f4f6;
    border-color: #667eea;
}

.page-link.current {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.page-dots {
    padding: 0.5rem;
    color: #6b7280;
}

.pagination-info {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

.empty-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.empty-message {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .announcements-container {
        padding: 1rem;
    }
    
    .page-header {
        padding: 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .header-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .pagination-container {
        flex-direction: column;
    }
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: slideIn 0.3s ease-out;
    animation-fill-mode: both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
</style>
{% endblock %}