import { HttpException, HttpStatus } from '@nestjs/common';

export type RewardErrorCode = 'COMBAT_NOT_WON' | 'REWARD_STATE_INVALID';

export class RewardDomainError extends HttpException {
  constructor(
    public readonly code: RewardErrorCode,
    status: HttpStatus,
    message: string,
  ) {
    super({ statusCode: status, code, message }, status);
  }
}

export function combatNotWon(): RewardDomainError {
  return new RewardDomainError(
    'COMBAT_NOT_WON',
    HttpStatus.CONFLICT,
    'Only a won combat can grant victory rewards.',
  );
}

export function rewardStateInvalid(): RewardDomainError {
  return new RewardDomainError(
    'REWARD_STATE_INVALID',
    HttpStatus.INTERNAL_SERVER_ERROR,
    'The reward references unavailable data.',
  );
}