USE inventory_db;

CREATE TABLE IF NOT EXISTS users (
    id INT(11) AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    email VARCHAR(255) NOT NULL UNIQUE,
    password_hash VARCHAR(255) NOT NULL,
    first_name VARCHAR(100) NOT NULL,
    last_name VARCHAR(100) NOT NULL,
    role ENUM('admin', 'manager', 'user') DEFAULT 'user',
    is_active BOOLEAN DEFAULT TRUE,
    last_login TIMESTAMP NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_username (username),
    INDEX idx_email (email),
    INDEX idx_role (role),
    INDEX idx_active (is_active)
);