-- Kurulum şeması
CREATE TABLE IF NOT EXISTS users (
  id INT AUTO_INCREMENT PRIMARY KEY,
  username VARCHAR(50) NOT NULL UNIQUE,
  password_hash VARCHAR(255) NOT NULL,
  user_type ENUM('admin','standart') DEFAULT 'standart',
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS appointments (
  id INT AUTO_INCREMENT PRIMARY KEY,
  title VARCHAR(255) NOT NULL,
  person VARCHAR(255) NOT NULL,
  location VARCHAR(255),
  date DATE NOT NULL,
  time TIME NOT NULL,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS notes (
  id INT AUTO_INCREMENT PRIMARY KEY,
  appointment_id INT NOT NULL,
  user_id INT NOT NULL,
  content TEXT NOT NULL,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (appointment_id) REFERENCES appointments(id) ON DELETE CASCADE,
  FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS logs (
  id INT AUTO_INCREMENT PRIMARY KEY,
  user_id INT NOT NULL,
  action VARCHAR(32) NOT NULL,
  entity VARCHAR(32) NOT NULL,
  entity_id INT NULL,
  payload JSON NULL,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  INDEX idx_created_at (created_at),
  FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

-- Varsayılan admin (şifre: admin123)
INSERT INTO users (username, password_hash, user_type)
VALUES ('admin', '$2y$12$1xF2sNmrT2bF9q9g9p8rUuNItv9sTzV2bXnI2dZzH1w3Jk5e4rIYO', 'admin')
ON DUPLICATE KEY UPDATE username=username;