{% extends "base.html" %}

{% block title %}DKIM Keys - Email Server{% endblock %}

{% block extra_css %}
<style>
    .dns-record {
        font-family: 'Courier New', monospace;
        color: black;
        background-color: var(--bs-gray-100);
        border-radius: 0.375rem;
        padding: 0.75rem;
        border: 1px solid var(--bs-border-color);
        word-break: break-all;
    }
    .status-indicator {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        display: inline-block;
        margin-right: 0.5rem;
    }
    .status-success { background-color: #28a745; }
    .status-warning { background-color: #ffc107; }
    .status-danger { background-color: #dc3545; }
</style>
{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h2>
            <i class="bi bi-shield-check me-2"></i>
            DKIM Key Management
        </h2>
        <div class="btn-group">
            <button class="btn btn-outline-info" onclick="checkAllDNS()">
                <i class="bi bi-arrow-clockwise me-2"></i>
                Check All DNS
            </button>
        </div>
    </div>

    {% for item in dkim_data %}
    <div class="card mb-4" id="domain-{{ item.domain.id }}">
        <div class="card-header" style="cursor: pointer;" data-bs-toggle="collapse" data-bs-target="#collapse-{{ item.domain.id }}" aria-expanded="false" aria-controls="collapse-{{ item.domain.id }}">
            <div class="d-flex justify-content-between align-items-center">
                <h5 class="mb-0">
                    <i class="bi bi-server me-2"></i>
                    {{ item.domain.domain_name }}
                    {% if item.dkim_key.is_active %}
                        <span class="badge bg-success ms-2">Active</span>
                    {% else %}
                        <span class="badge bg-secondary ms-2">Inactive</span>
                    {% endif %}
                </h5>
                <div class="btn-group btn-group-sm">
                    <button class="btn btn-outline-primary" onclick="checkDomainDNS('{{ item.domain.domain_name }}', '{{ item.dkim_key.selector }}')">
                        <i class="bi bi-search me-1"></i>
                        Check DNS
                    </button>
                    <div class="btn-group btn-group-sm" role="group">
                        <a href="{{ url_for('email.edit_dkim', dkim_id=item.dkim_key.id) }}" 
                           class="btn btn-outline-info">
                            <i class="bi bi-pencil me-1"></i>
                            Edit
                        </a>
                        <form method="post" action="{{ url_for('email.toggle_dkim', dkim_id=item.dkim_key.id) }}" class="d-inline">
                            {% if item.dkim_key.is_active %}
                                <button type="submit" class="btn btn-outline-warning">
                                    <i class="bi bi-pause-circle me-1"></i>
                                    Disable
                                </button>
                            {% else %}
                                <button type="submit" class="btn btn-outline-success">
                                    <i class="bi bi-play-circle me-1"></i>
                                    Enable
                                </button>
                            {% endif %}
                        </form>
                        <form method="post" action="{{ url_for('email.remove_dkim', dkim_id=item.dkim_key.id) }}" class="d-inline">
                            <button type="submit" 
                                    class="btn btn-outline-danger"
                                    onclick="return confirm('Are you sure you want to permanently remove the DKIM key for {{ item.domain.domain_name }}? This action cannot be undone and you will lose the ability to sign emails until you regenerate a new key.')">
                                <i class="bi bi-trash me-1"></i>
                                Remove
                            </button>
                        </form>
                    </div>
                    <form method="post" action="{{ url_for('email.regenerate_dkim', domain_id=item.domain.id) }}" class="d-inline">
                        <button type="submit" 
                                class="btn btn-outline-warning"
                                onclick="return confirm('Regenerate DKIM key for {{ item.domain.domain_name }}? This will require updating DNS records.')">
                            <i class="bi bi-arrow-clockwise me-1"></i>
                            Regenerate
                        </button>
                    </form>
                </div>
                <div class="ms-auto">
                    <i class="bi bi-chevron-down" id="chevron-{{ item.domain.id }}"></i>
                </div>
            </div>
        </div>
        <div class="collapse" id="collapse-{{ item.domain.id }}">
            <div class="card-body">
            <div class="row">
                <!-- DKIM DNS Record -->
                <div class="col-lg-6 mb-3">
                    <h6>
                        <i class="bi bi-key me-2"></i>
                        DKIM DNS Record
                        <span class="dns-status" id="dkim-status-{{ item.domain.id }}">
                            <span class="status-indicator status-warning"></span>
                            <small class="text-muted">Not checked</small>
                        </span>
                    </h6>
                    <div class="mb-2">
                        <strong>Name:</strong>
                        <div class="dns-record">{{ item.dns_record.name }}</div>
                    </div>
                    <div class="mb-2">
                        <strong>Type:</strong> TXT
                    </div>
                    <div class="mb-2">
                        <strong>Value:</strong>
                        <div class="dns-record">{{ item.dns_record.value }}</div>
                    </div>
                    <button class="btn btn-outline-secondary btn-sm" onclick="copyToClipboard('{{ item.dns_record.value }}')">
                        <i class="bi bi-clipboard me-1"></i>
                        Copy Value
                    </button>
                </div>
                
                <!-- SPF DNS Record -->
                <div class="col-lg-6 mb-3">
                    <h6>
                        <i class="bi bi-shield-lock me-2"></i>
                        SPF DNS Record
                        <span class="dns-status" id="spf-status-{{ item.domain.id }}">
                            <span class="status-indicator status-warning"></span>
                            <small class="text-muted">Not checked</small>
                        </span>
                    </h6>
                    <div class="mb-2">
                        <strong>Name:</strong>
                        <div class="dns-record">{{ item.domain.domain_name }}</div>
                    </div>
                    <div class="mb-2">
                        <strong>Type:</strong> TXT
                    </div>
                    {% if item.existing_spf %}
                    <div class="mb-2">
                        <strong>Current SPF:</strong>
                        <div class="dns-record text-info">{{ item.existing_spf }}</div>
                    </div>
                    {% endif %}
                    <div class="mb-2">
                        <strong>Recommended SPF:</strong>
                        <div class="dns-record text-success">{{ item.recommended_spf }}</div>
                    </div>
                    <button class="btn btn-outline-secondary btn-sm" onclick="copyToClipboard('{{ item.recommended_spf }}')">
                        <i class="bi bi-clipboard me-1"></i>
                        Copy SPF
                    </button>
                </div>
            </div>
            
            <!-- Key Information -->
            <div class="row">
                <div class="col-12">
                    <h6><i class="bi bi-info-circle me-2"></i>Key Information</h6>
                    <div class="row">
                        <div class="col-md-3">
                            <strong>Selector:</strong><br>
                            <code>{{ item.dkim_key.selector }}</code>
                        </div>
                        <div class="col-md-3">
                            <strong>Created:</strong><br>
                            {{ item.dkim_key.created_at.strftime('%Y-%m-%d %H:%M') }}
                        </div>
                        <div class="col-md-3">
                            <strong>Server IP:</strong><br>
                            <code>{{ item.public_ip }}</code>
                        </div>
                        <div class="col-md-3">
                            <strong>Status:</strong><br>
                            {% if item.dkim_key.is_active %}
                                <span class="text-success">Active</span>
                            {% else %}
                                <span class="text-secondary">Inactive</span>
                            {% endif %}
                        </div>
                    </div>
                </div>
            </div>
            </div>
        </div>
    </div>
    {% endfor %}

    {% if not dkim_data %}
    <div class="card">
        <div class="card-body text-center py-5">
            <i class="bi bi-shield-x text-muted" style="font-size: 4rem;"></i>
            <h4 class="text-muted mt-3">No DKIM Keys Found</h4>
            <p class="text-muted">Add domains first to automatically generate DKIM keys</p>
            <a href="{{ url_for('email.add_domain') }}" class="btn btn-primary">
                <i class="bi bi-plus-circle me-2"></i>
                Add Domain
            </a>
        </div>
    </div>
    {% endif %}
</div>

<!-- DNS Check Results Modal -->
<div class="modal fade" id="dnsResultModal" tabindex="-1">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">DNS Check Results</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body" id="dnsResults">
                <!-- Results will be populated here -->
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    async function checkDomainDNS(domain, selector) {
        const dkimStatus = document.getElementById(`dkim-status-${domain.replace('.', '-')}`);
        const spfStatus = document.getElementById(`spf-status-${domain.replace('.', '-')}`);
        
        // Show loading state
        dkimStatus.innerHTML = '<span class="status-indicator status-warning"></span><small class="text-muted">Checking...</small>';
        spfStatus.innerHTML = '<span class="status-indicator status-warning"></span><small class="text-muted">Checking...</small>';
        
        try {
            // Check DKIM DNS
            const dkimResponse = await fetch('{{ url_for("email.check_dkim_dns") }}', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `domain=${encodeURIComponent(domain)}&selector=${encodeURIComponent(selector)}`
            });
            const dkimResult = await dkimResponse.json();
            
            // Check SPF DNS
            const spfResponse = await fetch('{{ url_for("email.check_spf_dns") }}', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `domain=${encodeURIComponent(domain)}`
            });
            const spfResult = await spfResponse.json();
            
            // Update DKIM status
            if (dkimResult.success) {
                dkimStatus.innerHTML = '<span class="status-indicator status-success"></span><small class="text-success">✓ Configured</small>';
            } else {
                dkimStatus.innerHTML = '<span class="status-indicator status-danger"></span><small class="text-danger">✗ Not found</small>';
            }
            
            // Update SPF status
            if (spfResult.success) {
                spfStatus.innerHTML = '<span class="status-indicator status-success"></span><small class="text-success">✓ Found</small>';
            } else {
                spfStatus.innerHTML = '<span class="status-indicator status-danger"></span><small class="text-danger">✗ Not found</small>';
            }
            
            // Show detailed results in modal
            showDNSResults(domain, dkimResult, spfResult);
            
        } catch (error) {
            console.error('DNS check error:', error);
            dkimStatus.innerHTML = '<span class="status-indicator status-danger"></span><small class="text-danger">Error</small>';
            spfStatus.innerHTML = '<span class="status-indicator status-danger"></span><small class="text-danger">Error</small>';
        }
    }
    
    function showDNSResults(domain, dkimResult, spfResult) {
        const resultsHtml = `
            <h6>DNS Check Results for ${domain}</h6>
            
            <div class="mb-3">
                <h6 class="text-primary">DKIM Record</h6>
                <div class="alert ${dkimResult.success ? 'alert-success' : 'alert-danger'}">
                    <strong>Status:</strong> ${dkimResult.success ? 'Found' : 'Not Found'}<br>
                    <strong>Message:</strong> ${dkimResult.message}
                    ${dkimResult.records ? `<br><strong>Records:</strong> ${dkimResult.records.join(', ')}` : ''}
                </div>
            </div>
            
            <div class="mb-3">
                <h6 class="text-primary">SPF Record</h6>
                <div class="alert ${spfResult.success ? 'alert-success' : 'alert-danger'}">
                    <strong>Status:</strong> ${spfResult.success ? 'Found' : 'Not Found'}<br>
                    <strong>Message:</strong> ${spfResult.message}
                    ${spfResult.spf_record ? `<br><strong>Current SPF:</strong> <code>${spfResult.spf_record}</code>` : ''}
                </div>
            </div>
        `;
        
        document.getElementById('dnsResults').innerHTML = resultsHtml;
        new bootstrap.Modal(document.getElementById('dnsResultModal')).show();
    }
    
    async function checkAllDNS() {
        const domains = document.querySelectorAll('[id^="domain-"]');
        for (const domainCard of domains) {
            const domainId = domainCard.id.split('-')[1];
            // Extract domain name from the card header
            const domainHeaderText = domainCard.querySelector('h5').textContent.trim();
            const domainName = domainHeaderText.split('\n')[0].trim().replace(/^\s*\S+\s+/, ''); // Remove icon
            const selectorElement = domainCard.querySelector('code');
            if (selectorElement) {
                const selector = selectorElement.textContent;
                await checkDomainDNS(domainName, selector);
                // Small delay between checks to avoid overwhelming the DNS server
                await new Promise(resolve => setTimeout(resolve, 500));
            }
        }
    }
    
    function copyToClipboard(text) {
        navigator.clipboard.writeText(text).then(() => {
            // Show temporary success message
            const button = event.target.closest('button');
            const originalText = button.innerHTML;
            button.innerHTML = '<i class="bi bi-check me-1"></i>Copied!';
            button.classList.add('btn-success');
            button.classList.remove('btn-outline-secondary');
            
            setTimeout(() => {
                button.innerHTML = originalText;
                button.classList.remove('btn-success');
                button.classList.add('btn-outline-secondary');
            }, 2000);
        }).catch(err => {
            console.error('Failed to copy: ', err);
        });
    }
    
    // Handle collapsible cards
    document.addEventListener('DOMContentLoaded', function() {
        // Add click handlers for card headers
        document.querySelectorAll('[data-bs-toggle="collapse"]').forEach(function(element) {
            element.addEventListener('click', function() {
                const targetId = this.getAttribute('data-bs-target');
                const chevronId = targetId.replace('#collapse-', '#chevron-');
                const chevron = document.querySelector(chevronId);
                
                // Toggle chevron direction
                if (chevron) {
                    setTimeout(() => {
                        const collapseElement = document.querySelector(targetId);
                        if (collapseElement && collapseElement.classList.contains('show')) {
                            chevron.className = 'bi bi-chevron-up';
                        } else {
                            chevron.className = 'bi bi-chevron-down';
                        }
                    }, 100);
                }
            });
        });
    });
</script>
{% endblock %}