-- Verras Portal SQL Schema
-- All tables use InnoDB engine for transaction support and foreign key constraints.

-- Table for admin users
CREATE TABLE IF NOT EXISTS `admins` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `email` VARCHAR(255) NOT NULL UNIQUE,
    `password_hash` VARCHAR(255) NOT NULL,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- Insert default admin user (password: admin)
INSERT INTO `admins` (`email`, `password_hash`) VALUES ('admin@example.com', '$2y$10$9JERAeTYWKsOhAujmqRqHOOxGZBwVFWRgj8kMIGXs4wEVxW.ogr5C')
ON DUPLICATE KEY UPDATE `password_hash`=`password_hash`;

-- Table for external stores and their API keys
CREATE TABLE IF NOT EXISTS `stores` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `name` VARCHAR(255) NOT NULL,
    `api_key` VARCHAR(255) NOT NULL UNIQUE,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- Table for supported languages
CREATE TABLE IF NOT EXISTS `languages` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `code` VARCHAR(10) NOT NULL UNIQUE,
    `name` VARCHAR(50) NOT NULL
) ENGINE=InnoDB;

-- Table for products
CREATE TABLE IF NOT EXISTS `products` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `sku` VARCHAR(100) NOT NULL UNIQUE,
    `price` DECIMAL(10, 2) NOT NULL,
    `image_url` VARCHAR(2048),
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- Table for product translations
CREATE TABLE IF NOT EXISTS `product_translations` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `product_id` INT NOT NULL,
    `language_code` VARCHAR(10) NOT NULL,
    `name` VARCHAR(255) NOT NULL,
    `description` TEXT,
    UNIQUE KEY `product_lang_unique` (`product_id`, `language_code`),
    FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`language_code`) REFERENCES `languages`(`code`) ON DELETE CASCADE
) ENGINE=InnoDB;

-- Table for general content (banners, about us, etc.)
CREATE TABLE IF NOT EXISTS `content` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `slug` VARCHAR(100) NOT NULL UNIQUE,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- Table for content translations
CREATE TABLE IF NOT EXISTS `content_translations` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `content_id` INT NOT NULL,
    `language_code` VARCHAR(10) NOT NULL,
    `content_text` TEXT,
    UNIQUE KEY `content_lang_unique` (`content_id`, `language_code`),
    FOREIGN KEY (`content_id`) REFERENCES `content`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`language_code`) REFERENCES `languages`(`code`) ON DELETE CASCADE
) ENGINE=InnoDB;

-- Table for orders
CREATE TABLE IF NOT EXISTS `orders` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `store_id` INT NOT NULL,
    `status` ENUM('pending', 'succeeded', 'failed') NOT NULL DEFAULT 'pending',
    `stripe_payment_intent_id` VARCHAR(255) UNIQUE,
    `total_amount` DECIMAL(10, 2) NOT NULL,
    `currency` VARCHAR(10) NOT NULL,
    `customer_details` JSON,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (`store_id`) REFERENCES `stores`(`id`) ON DELETE RESTRICT
) ENGINE=InnoDB;

-- Table for items within an order
CREATE TABLE IF NOT EXISTS `order_items` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `order_id` INT NOT NULL,
    `product_id` INT NOT NULL,
    `quantity` INT NOT NULL,
    `price_at_purchase` DECIMAL(10, 2) NOT NULL,
    FOREIGN KEY (`order_id`) REFERENCES `orders`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`product_id`) REFERENCES `products`(`id`) ON DELETE RESTRICT
) ENGINE=InnoDB;

-- Table for application settings (e.g., Stripe keys)
CREATE TABLE IF NOT EXISTS `settings` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `key_name` VARCHAR(255) NOT NULL UNIQUE,
    `key_value` TEXT,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB;

-- Insert default languages
INSERT INTO `languages` (`code`, `name`) VALUES ('en', 'English'), ('es', 'Spanish')
ON DUPLICATE KEY UPDATE `name`=`name`;