-- Users table for authentication
CREATE TABLE users (
    id BINARY(16) NOT NULL PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    password_hash VARCHAR(255) NOT NULL,
    email VARCHAR(255),
    created_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
    updated_at DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Create index on username for faster lookups
CREATE INDEX idx_username ON users(username);

-- Insert default admin user (password: password)
-- bcrypt hash of "password"
INSERT INTO users (id, username, password_hash, email)
VALUES (
    UUID_TO_BIN(UUID()),
    'admin',
    '$2a$10$N9qo8uLOickgx2ZMRZoMyeIjZAgcfl7p92ldGxad68LJZdL17lhWy',
    'admin@example.com'
);