{% macro email_templates_tab(templates) %}
<div class="row">
    <div class="col-12">
        <div class="card">
            <div class="card-body">
                <!-- Template Selection -->
                <div class="mb-4">
                    <label for="templateSelect" class="form-label">Select Template</label>
                    <select class="form-select" id="templateSelect">
                        <option value="">Choose a template...</option>
                        {% for template in templates %}
                        <option value="{{ template.id }}" 
                                data-subject="{{ template.subject }}"
                                data-body="{{ template.body }}"
                                data-type="{{ template.name }}">
                            {{ template.name }}
                        </option>
                        {% endfor %}
                    </select>
                </div>

                <!-- Available Variables -->
                <div class="card mb-4" id="availableVariables" style="display: none;">
                    <div class="card-header bg-light">
                        <h6 class="mb-0">Available Variables</h6>
                    </div>
                    <div class="card-body">
                        <p class="text-muted mb-2">Use these variables in your template by wrapping them in double curly braces, e.g., <code>{{ '{{ user.username }}' }}</code></p>
                        <div id="variableList" class="mb-0">
                            <!-- Variables will be populated here -->
                        </div>
                    </div>
                </div>

                <!-- Template Editor -->
                <div class="card">
                    <div class="card-header bg-light">
                        <h6 class="mb-0">Template Editor</h6>
                    </div>
                    <div class="card-body">
                        <div class="mb-3">
                            <label for="templateSubject" class="form-label">Subject</label>
                            <input type="text" class="form-control" id="templateSubject" placeholder="Enter email subject">
                        </div>
                        <div class="mb-3">
                            <label for="templateBody" class="form-label">Body</label>
                            <textarea id="templateBody" class="form-control"></textarea>
                        </div>
                        <div class="text-end">
                            <button type="button" class="btn btn-primary" id="saveTemplate">
                                <i class="fas fa-save me-2"></i>Save Template
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Dependencies -->
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.8/dist/umd/popper.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/summernote@0.8.18/dist/summernote-bs4.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/summernote@0.8.18/dist/summernote-bs4.min.js"></script>

<script>
// Template variables mapping
const templateVariables = {
    'Account Created': {
        'user.username': 'The username of the created account',
        'user.email': 'The email address of the created account'
    },
    'Password Reset': {
        'user.username': 'The username of the account',
        'reset_link': 'The password reset link'
    },
    'Account Deleted': {
        'user.username': 'The username of the deleted account',
        'deleted_at': 'The date and time of deletion'
    },
    'Account Updated': {
        'user.username': 'The username of the updated account',
        'updated_fields': 'The fields that were updated'
    },
    'Room Invite': {
        'user.username': 'The username of the invited user',
        'room.name': 'The name of the room',
        'inviter.username': 'The username of the user who sent the invite'
    },
    'Room Invite Removed': {
        'user.username': 'The username of the user',
        'room.name': 'The name of the room',
        'remover.username': 'The username of the user who removed the invite'
    },
    'Conversation Invite': {
        'user.username': 'The username of the invited user',
        'conversation.name': 'The name of the conversation',
        'inviter.username': 'The username of the user who sent the invite'
    },
    'Conversation Invite Removed': {
        'user.username': 'The username of the user',
        'conversation.name': 'The name of the conversation',
        'remover.username': 'The username of the user who removed the invite'
    },
    'Conversation Message': {
        'user.username': 'The username of the recipient',
        'sender.username': 'The username of the message sender',
        'message.content': 'The content of the message',
        'conversation.name': 'The name of the conversation',
        'message_link': 'The link to view the message'
    }
};

// Function to update available variables display
function updateAvailableVariables(templateType) {
    const variables = templateVariables[templateType] || {};
    const variableList = document.getElementById('variableList');
    const availableVariables = document.getElementById('availableVariables');
    
    if (Object.keys(variables).length === 0) {
        availableVariables.style.display = 'none';
        return;
    }
    
    let html = '<div class="row">';
    for (const [variable, description] of Object.entries(variables)) {
        html += `
            <div class="col-md-6 mb-2">
                <div class="card h-100">
                    <div class="card-body p-2">
                        <code class="text-primary">{{ '{{ ' }}${variable}{{ ' }}' }}</code>
                        <p class="text-muted small mb-0">${description}</p>
                    </div>
                </div>
            </div>
        `;
    }
    html += '</div>';
    
    variableList.innerHTML = html;
    availableVariables.style.display = 'block';
}

// Wait for document and jQuery to be ready
document.addEventListener('DOMContentLoaded', function() {
    // Initialize Summernote
    $('#templateBody').summernote({
        height: 300,
        toolbar: [
            ['style', ['style']],
            ['font', ['bold', 'underline', 'italic', 'clear']],
            ['color', ['color']],
            ['para', ['ul', 'ol', 'paragraph']],
            ['table', ['table']],
            ['insert', ['link']],
            ['view', ['fullscreen', 'codeview', 'help']]
        ],
        styleTags: ['p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
        placeholder: 'Enter your email template content here...',
        callbacks: {
            onImageUpload: function(files) {
                // Disable image upload for email templates
                return false;
            }
        },
        popover: {
            image: [],
            link: [],
            air: []
        }
    });

    // Handle template selection
    $('#templateSelect').on('change', function() {
        const selectedOption = this.options[this.selectedIndex];
        const subject = selectedOption.dataset.subject || '';
        const body = selectedOption.dataset.body || '';
        const templateType = selectedOption.dataset.type || '';
        
        $('#templateSubject').val(subject);
        $('#templateBody').summernote('code', body);
        updateAvailableVariables(templateType);
    });

    // Check for initially selected template
    const templateSelect = document.getElementById('templateSelect');
    if (templateSelect.value) {
        const selectedOption = templateSelect.options[templateSelect.selectedIndex];
        const templateType = selectedOption.dataset.type || '';
        updateAvailableVariables(templateType);
    }

    // Handle template save
    $('#saveTemplate').on('click', function() {
        const templateId = $('#templateSelect').val();
        const subject = $('#templateSubject').val();
        const body = $('#templateBody').summernote('code');
        
        if (!templateId) {
            alert('Please select a template first');
            return;
        }
        
        // Show loading state
        const saveButton = this;
        const originalText = saveButton.innerHTML;
        saveButton.disabled = true;
        saveButton.innerHTML = '<i class="fas fa-spinner fa-spin me-2"></i>Saving...';
        
        // Send AJAX request
        fetch(`/settings/email-templates/${templateId}`, {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRFToken': document.querySelector('meta[name="csrf-token"]').content
            },
            body: JSON.stringify({
                subject: subject,
                body: body
            })
        })
        .then(response => response.json())
        .then(data => {
            if (data.error) {
                throw new Error(data.error);
            }
            
            // Show success message
            const alert = document.createElement('div');
            alert.className = 'alert alert-success alert-dismissible fade show mt-3';
            alert.innerHTML = `
                <i class="fas fa-check-circle me-2"></i>Template saved successfully
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            `;
            document.querySelector('.card-body').appendChild(alert);
            
            // Update the select option's data attributes
            const option = document.getElementById('templateSelect').options[document.getElementById('templateSelect').selectedIndex];
            option.dataset.subject = subject;
            option.dataset.body = body;
        })
        .catch(error => {
            // Show error message
            const alert = document.createElement('div');
            alert.className = 'alert alert-danger alert-dismissible fade show mt-3';
            alert.innerHTML = `
                <i class="fas fa-exclamation-circle me-2"></i>${error.message || 'Failed to save template'}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            `;
            document.querySelector('.card-body').appendChild(alert);
        })
        .finally(() => {
            // Restore button state
            saveButton.disabled = false;
            saveButton.innerHTML = originalText;
        });
    });
});
</script>

<style>
/* Summernote custom styles */
.note-editor {
    margin-bottom: 0;
}
.note-editor.note-frame {
    border-color: #dee2e6;
    border-radius: 0.375rem;
}
.note-editor.note-frame:focus-within {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}
.note-toolbar {
    background-color: #f8f9fa;
    border-top-left-radius: 0.375rem;
    border-top-right-radius: 0.375rem;
    border-bottom: 1px solid #dee2e6;
}
.note-editing-area {
    background-color: #fff;
}
.note-statusbar {
    border-top: 1px solid #dee2e6;
}
.note-placeholder {
    color: #6c757d;
}
/* Variable card styles */
#variableList .card {
    border: 1px solid #dee2e6;
    transition: all 0.2s ease-in-out;
}
#variableList .card:hover {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
}
#variableList code {
    font-size: 0.9em;
    padding: 0.2em 0.4em;
    background-color: #f8f9fa;
    border-radius: 0.25rem;
}
</style>
{% endmacro %}