import { IQueryHandler, QueryHandler } from '@nestjs/cqrs';
import { ReleaseProgressReadModel } from '@task-stream/api/tracker/domain';
import { FindIssuesRepository } from '../ports/find-issues.repository';
import { FindReleasesRepository } from '../ports/find-releases.repository';
import { ReadAccess } from './read-access';
import { GetReleaseProgressQuery } from './get-release-progress.query';

@QueryHandler(GetReleaseProgressQuery)
export class GetReleaseProgressQueryHandler
  implements IQueryHandler<GetReleaseProgressQuery, ReleaseProgressReadModel>
{
  constructor(
    private readonly findReleases: FindReleasesRepository,
    private readonly findIssues: FindIssuesRepository,
    private readonly access: ReadAccess,
  ) {}

  async execute(
    query: GetReleaseProgressQuery,
  ): Promise<ReleaseProgressReadModel> {
    const release = this.access.assertFound(
      await this.findReleases.findById(query.releaseId),
      'Release',
      query.releaseId,
    );
    await this.access.assertSeesWholeProject(
      release.projectId,
      query.viewerId,
      {
        entity: 'Release',
        ref: query.releaseId,
      },
    );
    return this.findIssues.releaseProgress(release.id);
  }
}