{% extends "base.html" %}

{% block title %}Add IP Address - Email Server{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-md-8 mx-auto">
            <div class="card">
                <div class="card-header">
                    <h4 class="mb-0">
                        <i class="bi bi-shield-plus me-2"></i>
                        Add IP Address to Whitelist
                    </h4>
                </div>
                <div class="card-body">
                    <form method="POST">
                        <div class="mb-3">
                            <label for="ip_address" class="form-label">IP Address</label>
                            <input type="text" 
                                   class="form-control font-monospace" 
                                   id="ip_address" 
                                   name="ip_address" 
                                   required 
                                   pattern="^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
                                   placeholder="192.168.1.100"
                                   value="{{ request.args.get('ip', '') }}">
                            <div class="form-text">
                                IPv4 address that will be allowed to send emails without authentication
                            </div>
                        </div>
                        
                        <div class="mb-4">
                            <label for="domain_id" class="form-label">Authorized Domain</label>
                            <select class="form-select" id="domain_id" name="domain_id" required>
                                <option value="">Select a domain...</option>
                                {% for domain in domains %}
                                <option value="{{ domain.id }}">{{ domain.domain_name }}</option>
                                {% endfor %}
                            </select>
                            <div class="form-text">
                                This IP will only be able to send emails for the selected domain
                            </div>
                        </div>
                        
                        <div class="alert alert-warning">
                            <h6 class="alert-heading">
                                <i class="bi bi-exclamation-triangle me-2"></i>
                                Security Note
                            </h6>
                            <ul class="mb-0">
                                <li>Only whitelist trusted IP addresses</li>
                                <li>This IP can send emails without username/password authentication</li>
                                <li>The IP is restricted to the selected domain only</li>
                                <li>Use static IP addresses for reliable access</li>
                            </ul>
                        </div>
                        
                        <div class="d-flex justify-content-between">
                            <a href="{{ url_for('email.ips_list') }}" class="btn btn-secondary">
                                <i class="bi bi-arrow-left me-2"></i>
                                Back to IP List
                            </a>
                            <button type="submit" class="btn btn-success">
                                <i class="bi bi-shield-plus me-2"></i>
                                Add to Whitelist
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Current IP Detection and Available Domains -->
<div class="row mt-4">
    <div class="col-md-4 mx-auto">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="bi bi-geo-alt me-2"></i>
                    Your Current IP
                </h6>
            </div>
            <div class="card-body text-center">
                <div class="fw-bold font-monospace fs-5 mb-2" id="current-ip">
                    <span class="spinner-border spinner-border-sm me-2"></span>
                    Detecting...
                </div>
                <button type="button" class="btn btn-outline-primary btn-sm" onclick="useCurrentIP()">
                    <i class="bi bi-arrow-up me-1"></i>
                    Use This IP
                </button>
            </div>
        </div>
    </div>
    
    {% if domains %}
    <div class="col-md-4 mx-auto">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="bi bi-server me-2"></i>
                    Available Domains
                </h6>
            </div>
            <div class="card-body">
                {% for domain in domains %}
                <div class="mb-2">
                    <div class="fw-bold">{{ domain.domain_name }}</div>
                    <small class="text-muted">
                        Created: {{ domain.created_at.strftime('%Y-%m-%d') }}
                    </small>
                </div>
                {% if not loop.last %}<hr class="my-2">{% endif %}
                {% endfor %}
            </div>
        </div>
    </div>
    {% endif %}
</div>

<!-- Example Use Cases -->
<div class="row mt-4">
    <div class="col-md-8 mx-auto">
        <div class="card">
            <div class="card-header">
                <h6 class="mb-0">
                    <i class="bi bi-lightbulb me-2"></i>
                    Common Use Cases
                </h6>
            </div>
            <div class="card-body">
                <div class="row">
                    <div class="col-md-6">
                        <h6 class="text-primary">
                            <i class="bi bi-server me-1"></i>
                            Application Servers
                        </h6>
                        <p class="text-muted small">
                            Web applications that need to send transactional emails 
                            (password resets, notifications, etc.)
                        </p>
                    </div>
                    <div class="col-md-6">
                        <h6 class="text-success">
                            <i class="bi bi-clock me-1"></i>
                            Scheduled Tasks
                        </h6>
                        <p class="text-muted small">
                            Cron jobs or scheduled scripts that send automated 
                            reports or alerts
                        </p>
                    </div>
                </div>
                <div class="row">
                    <div class="col-md-6">
                        <h6 class="text-warning">
                            <i class="bi bi-monitor me-1"></i>
                            Monitoring Systems
                        </h6>
                        <p class="text-muted small">
                            Monitoring tools that send alerts and status updates 
                            to administrators
                        </p>
                    </div>
                    <div class="col-md-6">
                        <h6 class="text-info">
                            <i class="bi bi-cloud me-1"></i>
                            Cloud Services
                        </h6>
                        <p class="text-muted small">
                            Cloud-based applications or services that need to 
                            send emails on behalf of your domain
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
    // Detect current IP address
    async function detectCurrentIP() {
        try {
            const response = await fetch('https://api.ipify.org?format=json');
            const data = await response.json();
            document.getElementById('current-ip').innerHTML = 
                `<span class="text-primary">${data.ip}</span>`;
        } catch (error) {
            document.getElementById('current-ip').innerHTML = 
                '<span class="text-muted">Unable to detect</span>';
        }
    }
    
    function useCurrentIP() {
        const currentIPElement = document.getElementById('current-ip');
        const ip = currentIPElement.textContent.trim();
        
        if (ip && ip !== 'Detecting...' && ip !== 'Unable to detect') {
            document.getElementById('ip_address').value = ip;
            // Focus on domain selection
            document.getElementById('domain_id').focus();
        } else {
            alert('Unable to detect current IP address');
        }
    }
    
    // IP address validation
    document.getElementById('ip_address').addEventListener('input', function(e) {
        const ip = e.target.value;
        const ipPattern = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
        
        if (ip && !ipPattern.test(ip)) {
            e.target.setCustomValidity('Please enter a valid IPv4 address');
        } else {
            e.target.setCustomValidity('');
        }
    });
    
    // Auto-detect IP on page load
    detectCurrentIP();
</script>
{% endblock %}