-- Drop the now-obsolete subscriptions table
DROP TABLE IF EXISTS `subscriptions`;

-- Create a table to log credit purchases
CREATE TABLE IF NOT EXISTS `purchases` (
    `id` INT(11) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    `user_id` INT(11) UNSIGNED NOT NULL,
    `plan_id` INT NOT NULL,
    `stripe_charge_id` VARCHAR(255) NOT NULL,
    `credits_purchased` INT(11) NOT NULL,
    `amount_paid` DECIMAL(10, 2) NOT NULL,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,
    FOREIGN KEY (`plan_id`) REFERENCES `plans`(`id`) ON DELETE RESTRICT
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;