export interface EmailTemplate {
  id: string;
  name: string;
  description: string;
  subject: string;
  header: string;
  body: string;
  footer: string;
  variables: string[]; // List of placeholders found in the text
  updatedAt: string;
}

export type ViewState = 'dashboard' | 'editor';

export interface ToastMessage {
  id: string;
  type: 'success' | 'error' | 'info';
  text: string;
}

// Simple schema for n8n SQL generation
export const SQL_SCHEMA = `
CREATE TABLE IF NOT EXISTS email_templates (
    id INT AUTO_INCREMENT PRIMARY KEY,
    template_key VARCHAR(255) UNIQUE NOT NULL,
    subject VARCHAR(255),
    header_html TEXT,
    body_html TEXT,
    footer_html TEXT,
    full_html TEXT,
    required_variables JSON,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);
`;