/**
 * 数据库相关异常
 */

/**
 * 数据库错误基类
 */
export class DatabaseError extends Error {
  constructor(message: string, public code?: string, public originalError?: Error) {
    super(message);
    this.name = 'DatabaseError';
    Object.setPrototypeOf(this, DatabaseError.prototype);
  }
}

/**
 * 数据库连接错误
 */
export class DatabaseConnectionError extends DatabaseError {
  constructor(message: string, originalError?: Error) {
    super(message, 'DATABASE_CONNECTION_ERROR', originalError);
    this.name = 'DatabaseConnectionError';
    Object.setPrototypeOf(this, DatabaseConnectionError.prototype);
  }
}

/**
 * 数据库操作超时错误
 */
export class DatabaseTimeoutError extends DatabaseError {
  constructor(message: string = 'Database operation timed out', originalError?: Error) {
    super(message, 'DATABASE_TIMEOUT_ERROR', originalError);
    this.name = 'DatabaseTimeoutError';
    Object.setPrototypeOf(this, DatabaseTimeoutError.prototype);
  }
}

/**
 * 数据库查询错误
 */
export class DatabaseQueryError extends DatabaseError {
  constructor(message: string, originalError?: Error) {
    super(message, 'DATABASE_QUERY_ERROR', originalError);
    this.name = 'DatabaseQueryError';
    Object.setPrototypeOf(this, DatabaseQueryError.prototype);
  }
}