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

INSERT INTO `roles` (`name`) VALUES ('Loan Officer'), ('Verifier'), ('Branch Manager'), ('Admin');

CREATE TABLE IF NOT EXISTS `users` (
    `id` INT AUTO_INCREMENT PRIMARY KEY,
    `username` VARCHAR(50) NOT NULL UNIQUE,
    `password` VARCHAR(255) NOT NULL,
    `role_id` INT,
    FOREIGN KEY (`role_id`) REFERENCES `roles`(`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;