{% extends "base.html" %}

{% block title %}Edit DKIM Selector{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-md-8 offset-md-2">
            <div class="card">
                <div class="card-header bg-primary text-white d-flex justify-content-between align-items-center">
                    <h4 class="mb-0">
                        <i class="bi bi-pencil me-2"></i>Edit DKIM Selector
                    </h4>
                    <a href="{{ url_for('email.dkim_list') }}" class="btn btn-light btn-sm">
                        <i class="bi bi-arrow-left me-1"></i>Back to DKIM Keys
                    </a>
                </div>
                <div class="card-body">
                    <form method="POST" class="needs-validation" novalidate>
                        <div class="mb-3">
                            <label for="selector" class="form-label">
                                <i class="bi bi-key me-1"></i>DKIM Selector
                            </label>
                            <input type="text" 
                                   class="form-control" 
                                   id="selector" 
                                   name="selector" 
                                   value="{{ dkim_key.selector }}"
                                   placeholder="default"
                                   pattern="^[a-zA-Z0-9_-]+$"
                                   required>
                            <div class="invalid-feedback">
                                Please provide a valid selector (letters, numbers, hyphens, and underscores only).
                            </div>
                            <div class="form-text">
                                <i class="bi bi-info-circle me-1"></i>
                                The selector is used in DNS records to identify this DKIM key (e.g., "selector._domainkey.{{ domain.domain_name }}")
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="alert alert-info">
                                    <h6><i class="bi bi-info-circle me-1"></i>Current Information</h6>
                                    <p class="mb-1">
                                        <strong>Domain:</strong> {{ domain.domain_name }}
                                    </p>
                                    <p class="mb-1">
                                        <strong>Current Selector:</strong> {{ dkim_key.selector }}
                                    </p>
                                    <p class="mb-1">
                                        <strong>Status:</strong> 
                                        {% if dkim_key.is_active %}
                                            <span class="badge bg-success">Active</span>
                                        {% else %}
                                            <span class="badge bg-danger">Inactive</span>
                                        {% endif %}
                                    </p>
                                    <p class="mb-0">
                                        <strong>Created:</strong> {{ dkim_key.created_at.strftime('%Y-%m-%d %H:%M:%S') }}
                                    </p>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="alert alert-warning">
                                    <h6><i class="bi bi-exclamation-triangle me-1"></i>Important Note</h6>
                                    <p class="mb-0">
                                        Changing the selector will require updating your DNS records. 
                                        Make sure to update the DNS record name from 
                                        <code>{{ dkim_key.selector }}._domainkey.{{ domain.domain_name }}</code> 
                                        to match the new selector name.
                                    </p>
                                </div>
                            </div>
                        </div>

                        <div class="d-flex justify-content-between">
                            <a href="{{ url_for('email.dkim_list') }}" class="btn btn-secondary">
                                <i class="bi bi-x me-1"></i>Cancel
                            </a>
                            <button type="submit" class="btn btn-primary">
                                <i class="bi bi-save me-1"></i>Update Selector
                            </button>
                        </div>
                    </form>
                </div>
            </div>

            <!-- DNS Record Information Card -->
            <div class="card mt-4">
                <div class="card-header bg-info text-white">
                    <h5 class="mb-0">
                        <i class="bi bi-dns me-2"></i>DNS Record Information
                    </h5>
                </div>
                <div class="card-body">
                    <div class="alert alert-light">
                        <h6>Current DNS Record</h6>
                        <p class="mb-2">
                            <strong>Name:</strong> <code>{{ dkim_key.selector }}._domainkey.{{ domain.domain_name }}</code>
                        </p>
                        <p class="mb-0">
                            <strong>Type:</strong> TXT
                        </p>
                    </div>
                    <p class="text-muted">
                        <i class="bi bi-lightbulb me-1"></i>
                        <strong>Tip:</strong> After changing the selector, you'll need to update your DNS provider 
                        to use the new record name. The DNS record value will remain the same.
                    </p>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
// Bootstrap validation
(function() {
    'use strict';
    window.addEventListener('load', function() {
        var forms = document.getElementsByClassName('needs-validation');
        var validation = Array.prototype.filter.call(forms, function(form) {
            form.addEventListener('submit', function(event) {
                if (form.checkValidity() === false) {
                    event.preventDefault();
                    event.stopPropagation();
                }
                form.classList.add('was-validated');
            }, false);
        });
    }, false);
})();

// Selector validation
document.getElementById('selector').addEventListener('input', function(e) {
    const value = e.target.value;
    
    // Basic selector validation (alphanumeric, hyphens, underscores)
    const selectorRegex = /^[a-zA-Z0-9_-]+$/;
    
    if (value && !selectorRegex.test(value)) {
        e.target.setCustomValidity('Selector must contain only letters, numbers, hyphens, and underscores');
    } else {
        e.target.setCustomValidity('');
    }
});
</script>
{% endblock %}