import {
  BadRequestException,
  ConflictException,
  NotFoundException,
} from '@nestjs/common';
import type { HiveState } from './hive-types';

/** 409: an operation failed against the current state (spec 6.2). */
export class HiveConflictException extends ConflictException {
  constructor(
    opIndex: number,
    reason: string,
    current: { version: number; state: HiveState },
  ) {
    super({
      statusCode: 409,
      code: 'HIVE_CONFLICT',
      message: 'Die Änderung passt nicht mehr zum aktuellen Aufbau.',
      opIndex,
      reason,
      current,
    });
  }
}

export function hiveNotFound(): NotFoundException {
  return new NotFoundException({
    statusCode: 404,
    code: 'HIVE_NOT_FOUND',
    message: 'Für dieses Volk gibt es noch keinen Aufbau.',
  });
}

export function hiveExists(): ConflictException {
  return new ConflictException({
    statusCode: 409,
    code: 'HIVE_EXISTS',
    message: 'Für dieses Volk gibt es schon einen Aufbau.',
  });
}

export function invalidDay(field: string): BadRequestException {
  return new BadRequestException(`${field} must be a valid YYYY-MM-DD day`);
}