CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    role ENUM('admin', 'user') DEFAULT 'user',
    permissions TEXT, -- JSON string of permissions
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS companies (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    incorporation_number VARCHAR(50),
    incorporation_date DATE,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS directors (
    id INT AUTO_INCREMENT PRIMARY KEY,
    company_id INT NOT NULL,
    name VARCHAR(255) NOT NULL,
    id_number VARCHAR(50),
    nationality VARCHAR(100),
    address TEXT,
    appointment_date DATE,
    cessation_date DATE,
    remarks TEXT,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE
);

-- Default Admin User (password: admin123)
-- Hash generated using password_hash('admin123', PASSWORD_DEFAULT)
INSERT INTO users (username, password, role, permissions) 
SELECT 'admin', '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', 'admin', '["all"]'
WHERE NOT EXISTS (SELECT * FROM users WHERE username = 'admin');