import { SpaceEntity } from '@app/common/modules/space/entities';
import { SpaceRepository } from '@app/common/modules/space/repositories';
import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
import { CommunityService } from '../../community/services';
import { ProjectService } from '../../project/services';
import {
  SpaceModelEntity,
  SpaceModelRepository,
} from '@app/common/modules/space-model';

@Injectable()
export class ValidationService {
  constructor(
    private readonly projectService: ProjectService,
    private readonly communityService: CommunityService,
    private readonly spaceRepository: SpaceRepository,
    private readonly spaceModelRepository: SpaceModelRepository,
  ) {}

  async validateCommunityAndProject(
    communityUuid: string,
    projectUuid: string,
  ) {
    const project = await this.projectService.findOne(projectUuid);
    const community = await this.communityService.getCommunityById({
      communityUuid,
      projectUuid,
    });

    return { community: community.data, project: project };
  }


  async validateSpaceWithinCommunityAndProject(
    communityUuid: string,
    projectUuid: string,
    spaceUuid?: string,
  ): Promise<SpaceEntity> {
    await this.validateCommunityAndProject(communityUuid, projectUuid);
    const space = await this.validateSpace(spaceUuid);
    return space;
  }

  async validateSpace(spaceUuid: string): Promise<SpaceEntity> {
    const space = await this.spaceRepository.findOne({
      where: { uuid: spaceUuid, disabled: false },
      relations: ['subspaces', 'tags'],
    });

    if (!space) {
      throw new HttpException(
        `Space with UUID ${spaceUuid} not found`,
        HttpStatus.NOT_FOUND,
      );
    }

    return space;
  }

  async validateSpaceModel(spaceModelUuid: string): Promise<SpaceModelEntity> {
    const spaceModel = await this.spaceModelRepository.findOne({
      where: { uuid: spaceModelUuid },
      relations: [
        'subspaceModels',
        'subspaceModels.tags',
        'tags',
        'subspaceModels.tags.product',
        'tags.product',
      ],
    });

    if (!spaceModel) {
      throw new HttpException(
        `Space model with UUID ${spaceModelUuid} not found`,
        HttpStatus.NOT_FOUND,
      );
    }

    return spaceModel;
  }
}