import type { AssessorRepository } from '../../src/persistence/assessor-repository';
import {
  buildPolicyAnalysisOverview,
  type PolicyAnalysisOverview
} from '../../src/domain/policy-analysis-overview';
import { RepositoryNotFoundError } from '../../src/persistence/repository-errors';

export interface GpoPolicyAnalysisOverviewServiceOptions {
  now?: () => Date;
}

export class GpoPolicyAnalysisOverviewService {
  private readonly now: () => Date;

  constructor(
    private readonly repository: AssessorRepository,
    options: GpoPolicyAnalysisOverviewServiceOptions = {}
  ) {
    this.now = options.now ?? (() => new Date());
  }

  async get(projectId: string): Promise<PolicyAnalysisOverview> {
    if (!await this.repository.getProject(projectId)) {
      throw new RepositoryNotFoundError(`Projekt ${projectId} ist nicht vorhanden.`);
    }
    const [identityAnalyses, profiles, aggregations, evaluations, findingRuns, processingRuns, baselineRecords, baselineAnalyses] = await Promise.all([
      this.repository.listGpoPolicyAnalyses(projectId),
      this.repository.listEnvironmentProfiles(projectId),
      this.repository.listPolicySnapshotAggregations(projectId),
      this.repository.listPolicyEvaluations(projectId),
      this.repository.listPolicyFindingRuns(projectId),
      this.repository.listProjectProcessingRuns(projectId),
      this.repository.listMicrosoftSecurityBaselines(),
      this.repository.listMicrosoftSecurityBaselineAnalyses()
    ]);
    return buildPolicyAnalysisOverview({
      projectId,
      generatedAt: this.now().toISOString(),
      identityAnalyses,
      profiles,
      aggregations,
      evaluations,
      findingRuns,
      processingRuns,
      baselineRecords,
      baselineAnalyses
    });
  }
}