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

{% block title %}Link Check - {{ site.domain }}{% endblock %}

{% block extra_head %}
<style>
.tabs {
    display: flex;
    border-bottom: 2px solid #ddd;
    margin-bottom: 20px;
}

.tab {
    padding: 15px 30px;
    background: #f5f5f5;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    transition: all 0.3s;
}

.tab:hover {
    background: #e9e9e9;
    color: #333;
}

.tab.active {
    background: #fff;
    color: #333;
    border-bottom-color: #007bff;
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.link-check-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-header {
    margin-bottom: 20px;
}

.page-actions {
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    margin-right: 10px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid #ddd;
    background: #fff;
    color: #333;
}

.btn-primary {
    background: #007bff;
    color: #fff;
    border-color: #007bff;
}

.btn-secondary {
    background: #6c757d;
    color: #fff;
    border-color: #6c757d;
}

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
}

.btn-danger {
    background: #dc3545;
    color: #fff;
    border-color: #dc3545;
}

.broken-links-table, .redirects-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.broken-links-table th, .redirects-table th {
    background: #f8f9fa;
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

.broken-links-table td, .redirects-table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
}

.broken-links-table tr:hover, .redirects-table tr:hover {
    background: #f8f9fa;
}

.status-code {
    padding: 4px 8px;
    border-radius: 3px;
    font-weight: 600;
    font-size: 12px;
}

.status-4xx {
    background: #fff3cd;
    color: #856404;
}

.status-5xx {
    background: #f8d7da;
    color: #721c24;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.active {
    background: #d4edda;
    color: #155724;
}

.status-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}

.has-redirect {
    color: #28a745;
    font-weight: 600;
}

.inactive {
    opacity: 0.6;
}

.pagination {
    margin-top: 20px;
    text-align: center;
}

.pagination a {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 4px;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #007bff;
}

.pagination a:hover {
    background: #f8f9fa;
}

.pagination .current {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 4px;
    font-weight: 600;
}

.no-results {
    padding: 40px;
    text-align: center;
    color: #666;
    font-size: 16px;
}
</style>
{% endblock %}

{% block content %}
<div class="link-check-container">
    <div class="page-header">
        <h1>Link Check - {{ site.domain }}</h1>
    </div>
    
    <div class="tabs">
        <button class="tab {% if active_tab == 'broken-links' %}active{% endif %}" onclick="switchTab('broken-links')">
            Broken Links
        </button>
        <button class="tab {% if active_tab == 'redirects' %}active{% endif %}" onclick="switchTab('redirects')">
            Domain Redirects
        </button>
    </div>
    
    <!-- Broken Links Tab -->
    <div id="broken-links-content" class="tab-content {% if active_tab == 'broken-links' %}active{% endif %}">
        <div class="page-actions">
            <a href="{% url 'links:create_redirect' %}" class="btn btn-primary">Create Redirect</a>
            <a href="{% url 'domains:landing' %}" class="btn btn-secondary">Back to Domains</a>
        </div>
        
        {% if broken_links_page_obj %}
            <div class="broken-links-table">
                <table>
                    <thead>
                        <tr>
                            <th>URL</th>
                            <th>Source</th>
                            <th>Status Code</th>
                            <th>Error</th>
                            <th>Access Count (Last Month)</th>
                            <th>First Found</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for broken_link in broken_links_page_obj %}
                        <tr>
                            <td>
                                <a href="{{ broken_link.url }}" target="_blank" rel="noopener">{{ broken_link.url|truncatechars:60 }}</a>
                            </td>
                            <td>
                                {% if broken_link.source_admin_url and broken_link.source_display %}
                                    <a href="{{ broken_link.source_admin_url }}">{{ broken_link.source_display|truncatechars:40 }}</a>
                                {% elif broken_link.source_display %}
                                    {{ broken_link.source_display|truncatechars:40 }}
                                {% else %}
                                    <em>N/A</em>
                                {% endif %}
                            </td>
                            <td>
                                {% if broken_link.status_code %}
                                    <span class="status-code status-{{ broken_link.status_code|slice:":1" }}xx">{{ broken_link.status_code }}</span>
                                {% else %}
                                    <em>N/A</em>
                                {% endif %}
                            </td>
                            <td>
                                {% if broken_link.last_error %}
                                    <span class="error-message">{{ broken_link.last_error|truncatechars:50 }}</span>
                                {% else %}
                                    <em>N/A</em>
                                {% endif %}
                            </td>
                            <td class="access-count">{{ broken_link.access_count }}</td>
                            <td>{{ broken_link.first_found|date:"M d, Y" }}</td>
                            <td>
                                {% if not broken_link.has_redirect %}
                                    <a href="{% url 'links:create_redirect_from_broken' broken_link.id %}" class="btn btn-small btn-primary">Create Redirect</a>
                                {% else %}
                                    <span class="has-redirect">✓ Has Redirect</span>
                                {% endif %}
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
            
            {% if broken_links_page_obj.has_other_pages %}
            <div class="pagination">
                {% if broken_links_page_obj.has_previous %}
                    <a href="?tab=broken-links&broken_page=1">&laquo; first</a>
                    <a href="?tab=broken-links&broken_page={{ broken_links_page_obj.previous_page_number }}">previous</a>
                {% endif %}
                
                <span class="current">
                    Page {{ broken_links_page_obj.number }} of {{ broken_links_page_obj.paginator.num_pages }}.
                </span>
                
                {% if broken_links_page_obj.has_next %}
                    <a href="?tab=broken-links&broken_page={{ broken_links_page_obj.next_page_number }}">next</a>
                    <a href="?tab=broken-links&broken_page={{ broken_links_page_obj.paginator.num_pages }}">last &raquo;</a>
                {% endif %}
            </div>
            {% endif %}
        {% else %}
            <p class="no-results">No broken links found for this domain.</p>
        {% endif %}
    </div>
    
    <!-- Redirects Tab -->
    <div id="redirects-content" class="tab-content {% if active_tab == 'redirects' %}active{% endif %}">
        <div class="page-actions">
            <a href="{% url 'links:create_redirect' %}" class="btn btn-primary">Create New Redirect</a>
            <a href="{% url 'domains:landing' %}" class="btn btn-secondary">Back to Domains</a>
        </div>
        
        {% if redirects_page_obj %}
            <div class="redirects-table">
                <table>
                    <thead>
                        <tr>
                            <th>From URL</th>
                            <th>To URL</th>
                            <th>Status</th>
                            <th>Usage Count (Last Month)</th>
                            <th>Created</th>
                            <th>Created By</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for redirect in redirects_page_obj %}
                        <tr class="{% if not redirect.is_active %}inactive{% endif %}">
                            <td>
                                <a href="{{ redirect.from_url }}" target="_blank" rel="noopener">{{ redirect.from_url|truncatechars:60 }}</a>
                            </td>
                            <td>
                                <a href="{{ redirect.to_url }}" target="_blank" rel="noopener">{{ redirect.to_url|truncatechars:60 }}</a>
                            </td>
                            <td>
                                <span class="status-badge {% if redirect.is_active %}active{% else %}inactive{% endif %}" data-redirect-id="{{ redirect.id }}">
                                    {% if redirect.is_active %}Active{% else %}Inactive{% endif %}
                                </span>
                            </td>
                            <td class="usage-count">{{ redirect.usage_count }}</td>
                            <td>{{ redirect.created_at|date:"M d, Y" }}</td>
                            <td>
                                {% if redirect.created_by %}
                                    {{ redirect.created_by.username }}
                                {% else %}
                                    <em>System</em>
                                {% endif %}
                            </td>
                            <td>
                                <button class="btn btn-small btn-toggle" data-redirect-id="{{ redirect.id }}" data-is-active="{{ redirect.is_active|lower }}">
                                    {% if redirect.is_active %}Deactivate{% else %}Activate{% endif %}
                                </button>
                                <a href="{% url 'links:delete_redirect' redirect.id %}" class="btn btn-small btn-danger" onclick="return confirm('Are you sure you want to delete this redirect?');">Delete</a>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
            
            {% if redirects_page_obj.has_other_pages %}
            <div class="pagination">
                {% if redirects_page_obj.has_previous %}
                    <a href="?tab=redirects&redirects_page=1">&laquo; first</a>
                    <a href="?tab=redirects&redirects_page={{ redirects_page_obj.previous_page_number }}">previous</a>
                {% endif %}
                
                <span class="current">
                    Page {{ redirects_page_obj.number }} of {{ redirects_page_obj.paginator.num_pages }}.
                </span>
                
                {% if redirects_page_obj.has_next %}
                    <a href="?tab=redirects&redirects_page={{ redirects_page_obj.next_page_number }}">next</a>
                    <a href="?tab=redirects&redirects_page={{ redirects_page_obj.paginator.num_pages }}">last &raquo;</a>
                {% endif %}
            </div>
            {% endif %}
        {% else %}
            <p class="no-results">No redirects found for this domain.</p>
        {% endif %}
    </div>
</div>

{% csrf_token %}

<script>
function switchTab(tabName) {
    // Update URL without reloading
    const url = new URL(window.location);
    url.searchParams.set('tab', tabName);
    // Reset page numbers when switching tabs
    if (tabName === 'broken-links') {
        url.searchParams.delete('redirects_page');
        url.searchParams.set('broken_page', '1');
    } else {
        url.searchParams.delete('broken_page');
        url.searchParams.set('redirects_page', '1');
    }
    window.history.pushState({}, '', url);
    
    // Update tab buttons
    document.querySelectorAll('.tab').forEach(tab => {
        tab.classList.remove('active');
    });
    event.target.classList.add('active');
    
    // Update tab content
    document.querySelectorAll('.tab-content').forEach(content => {
        content.classList.remove('active');
    });
    document.getElementById(tabName + '-content').classList.add('active');
}

// Handle redirect toggle buttons
document.querySelectorAll('.btn-toggle').forEach(button => {
    button.addEventListener('click', function() {
        const redirectId = this.getAttribute('data-redirect-id');
        const isActive = this.getAttribute('data-is-active') === 'true';
        
        // Get CSRF token
        function getCookie(name) {
            let cookieValue = null;
            if (document.cookie && document.cookie !== '') {
                const cookies = document.cookie.split(';');
                for (let i = 0; i < cookies.length; i++) {
                    const cookie = cookies[i].trim();
                    if (cookie.substring(0, name.length + 1) === (name + '=')) {
                        cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                        break;
                    }
                }
            }
            return cookieValue;
        }
        const csrftoken = getCookie('csrftoken');
        
        fetch(`/links/redirects/${redirectId}/toggle/`, {
            method: 'POST',
            headers: {
                'X-CSRFToken': csrftoken,
                'Content-Type': 'application/json',
            },
        })
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                // Reload page to reflect changes
                window.location.reload();
            } else {
                alert('Error toggling redirect');
            }
        })
        .catch(error => {
            console.error('Error:', error);
            alert('Error toggling redirect');
        });
    });
});
</script>
{% endblock %}