-- Create roles table
CREATE TABLE IF NOT EXISTS `roles` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `name` VARCHAR(50) NOT NULL UNIQUE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Seed the roles table with the confirmed roles
INSERT INTO `roles` (`name`) VALUES
('Admin'),
('Faculty'),
('Program Coordinator'),
('Internal Reviewer'),
('External Evaluator')
ON DUPLICATE KEY UPDATE name=name; -- Avoid errors on re-running

-- Create users table
CREATE TABLE IF NOT EXISTS `users` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `email` VARCHAR(255) NOT NULL UNIQUE,
    `password` VARCHAR(255) NOT NULL,
    `first_name` VARCHAR(100),
    `last_name` VARCHAR(100),
    `role_id` INT,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (`role_id`) REFERENCES `roles`(`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;