USE hrms_payroll;

CREATE TABLE IF NOT EXISTS roles (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    company_id BIGINT UNSIGNED NOT NULL,
    name VARCHAR(255) NOT NULL,
    slug VARCHAR(100) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS users (
    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    company_id BIGINT UNSIGNED NOT NULL,
    name VARCHAR(255) NOT NULL,
    email VARCHAR(255) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    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,
    deleted_at TIMESTAMP NULL,
    FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS user_roles (
    user_id BIGINT UNSIGNED NOT NULL,
    role_id BIGINT UNSIGNED NOT NULL,
    PRIMARY KEY (user_id, role_id),
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (role_id) REFERENCES roles(id) ON DELETE CASCADE
);

-- Insert Default Roles
INSERT INTO roles (company_id, name, slug) 
SELECT 1, 'Super Admin', 'super_admin' WHERE NOT EXISTS (SELECT 1 FROM roles WHERE slug = 'super_admin');


INSERT INTO roles (company_id, name, slug) 
SELECT 1, 'Employee', 'employee' WHERE NOT EXISTS (SELECT 1 FROM roles WHERE slug = 'employee');

-- Insert Default Admin User (Password is 'password')
INSERT INTO users (company_id, name, email, password, is_active)
SELECT 1, 'Admin User', 'admin@hrms.local', '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', 1 
WHERE NOT EXISTS (SELECT 1 FROM users WHERE email = 'admin@hrms.local');

-- Assign Super Admin role to Admin User
INSERT INTO user_roles (user_id, role_id)
SELECT u.id, r.id FROM users u, roles r 
WHERE u.email = 'admin@hrms.local' AND r.slug = 'super_admin'
AND NOT EXISTS (
    SELECT 1 FROM user_roles ur WHERE ur.user_id = u.id AND ur.role_id = r.id
);