const AppError = require('./AppError');
const config = require('../../config');

class ValidationError extends AppError {
  constructor(message, errors = null) {
    super(message, config.HTTP_STATUS.BAD_REQUEST, true, errors);
    this.name = 'ValidationError';
  }
}

class NotFoundError extends AppError {
  constructor(message = 'Resource not found') {
    super(message, config.HTTP_STATUS.NOT_FOUND, true);
    this.name = 'NotFoundError';
  }
}

class ConflictError extends AppError {
  constructor(message, errors = null) {
    super(message, config.HTTP_STATUS.CONFLICT, true, errors);
    this.name = 'ConflictError';
  }
}

class UnauthorizedError extends AppError {
  constructor(message = 'Unauthorized') {
    super(message, config.HTTP_STATUS.UNAUTHORIZED, true);
    this.name = 'UnauthorizedError';
  }
}

class ForbiddenError extends AppError {
  constructor(message = 'Forbidden') {
    super(message, config.HTTP_STATUS.FORBIDDEN, true);
    this.name = 'ForbiddenError';
  }
}

class DatabaseError extends AppError {
  constructor(message = 'Database operation failed', originalError = null) {
    super(message, config.HTTP_STATUS.INTERNAL_SERVER_ERROR, false);
    this.name = 'DatabaseError';
    this.originalError = originalError;
  }
}

module.exports = {
  AppError,
  ValidationError,
  NotFoundError,
  ConflictError,
  UnauthorizedError,
  ForbiddenError,
  DatabaseError,
};