import {
  ASSIGN_ROLE,
  canAccessBidModule,
  canAssignFetcher,
  canCreateBid,
  canCreateSpecialBid,
  canFetchBid,
  canFetchThisBid,
  canManageDraft,
  canManageThisDraft,
  canSeeAllBids,
  canSeeTerminated,
  canTerminateBid,
  canTerminateFrom,
  currentHandlerNames,
  isCommercialStage,
  isSpecialBid,
  isSpecialCoordinatorUser,
  stageForStatus,
  previousBidStatus,
  inferLegacyRestoreStatus,
} from './bid-workflow';

describe('bid-workflow', () => {
  it('maps status to review stage', () => {
    expect(stageForStatus('TECH_INITIAL')).toBe('TECH_INITIAL');
    expect(stageForStatus('TECH_FINAL')).toBe('TECH_FINAL');
    expect(stageForStatus('REVIEW1')).toBe('REVIEW1');
    expect(stageForStatus('REVIEW2')).toBe('REVIEW2');
    expect(stageForStatus('FETCH')).toBeNull();
    expect(stageForStatus('DRAFTING')).toBeNull();
  });

  it('treats commercial reject as bounce, not terminate', () => {
    expect(isCommercialStage('REVIEW1')).toBe(true);
    expect(isCommercialStage('REVIEW2')).toBe(true);
    expect(isCommercialStage('TECH_INITIAL')).toBe(false);
  });

  it('lets every director see all bids', () => {
    expect(canSeeAllBids(['rd_director'])).toBe(true);
    expect(canSeeAllBids(['3d_director'])).toBe(true);
    expect(canSeeAllBids(['video_director'])).toBe(true);
    expect(canSeeAllBids(['material_director'])).toBe(true);
    expect(canSeeAllBids(['biz_director'])).toBe(true);
    expect(canSeeAllBids(['tech_director'])).toBe(true);
    expect(canSeeAllBids(['owner'])).toBe(true);
    expect(canSeeAllBids(['admin'])).toBe(true);
    expect(canSeeAllBids(['biz_staff'])).toBe(true);
    expect(canSeeAllBids(['employee'])).toBe(false);
    expect(canSeeAllBids(['pm'])).toBe(false);
  });

  it('hides terminated bids from ordinary employees', () => {
    expect(canSeeTerminated(['employee'], ['office'])).toBe(false);
    expect(canSeeTerminated(['hr'], ['office', 'hr'])).toBe(false);
    expect(canSeeTerminated(['finance'], ['bid:result'])).toBe(false);
    expect(canSeeTerminated(['biz_staff'], ['bid:screening'])).toBe(false);
    expect(canSeeTerminated(['biz_director'], ['bid:terminated'])).toBe(true);
    expect(canSeeTerminated(['tech_director'], ['bid'])).toBe(true);
    expect(canSeeTerminated(['owner'], [])).toBe(true);
    expect(canSeeTerminated(['admin'], [])).toBe(true);
  });

  it('restricts create / fetch / terminate by role', () => {
    expect(canCreateBid(['owner'])).toBe(true);
    expect(canCreateBid(['tech_director'])).toBe(false);
    expect(canCreateBid(['employee'], ['bid:screening'])).toBe(true);
    expect(canFetchBid(['biz_staff'])).toBe(true);
    expect(canFetchBid(['tech_director'])).toBe(false);
    expect(canTerminateBid(['biz_director'])).toBe(true);
    expect(canTerminateBid(['biz_staff'])).toBe(false);
    expect(canManageDraft(['biz_director'])).toBe(true);
    expect(canManageDraft(['biz_staff'])).toBe(false);
  });

  it('keeps special screening on named coordinators', () => {
    expect(isSpecialBid('SPECIAL')).toBe(true);
    expect(isSpecialBid('FLOW')).toBe(false);
    expect(canCreateSpecialBid(['owner'])).toBe(true);
    expect(canCreateSpecialBid(['biz_director'])).toBe(false);
    expect(isSpecialCoordinatorUser({ username: 'liuyunze', displayName: '刘运泽' })).toBe(true);
    expect(isSpecialCoordinatorUser({ username: 'chencheng', displayName: '陈铖' })).toBe(true);
    expect(isSpecialCoordinatorUser({ username: 'other', displayName: '其他人' })).toBe(false);
    const coordinators = [{ userId: 'liu', role: ASSIGN_ROLE.COORDINATOR }];
    const fetchers = [{ userId: 'staff', role: ASSIGN_ROLE.FETCHER }];
    expect(canAssignFetcher(['3d_director'], 'SPECIAL', coordinators, 'liu', 'FETCH')).toBe(true);
    expect(canAssignFetcher(['3d_director'], 'SPECIAL', coordinators, 'other', 'FETCH')).toBe(false);
    expect(canAssignFetcher(['biz_director'], 'FLOW', [], 'x', 'FETCH')).toBe(true);
    expect(canAssignFetcher(['biz_staff'], 'FLOW', [], 'x', 'FETCH')).toBe(false);
    expect(canFetchThisBid(['employee'], 'SPECIAL', fetchers, 'staff')).toBe(true);
    expect(canFetchThisBid(['biz_staff'], 'SPECIAL', fetchers, 'other')).toBe(false);
    expect(canFetchThisBid(['biz_staff'], 'FLOW', [], 'other')).toBe(false);
    expect(canFetchThisBid(['employee'], 'FLOW', fetchers, 'staff')).toBe(true);
    expect(canManageThisDraft(['3d_director'], 'SPECIAL', coordinators, 'liu')).toBe(true);
    expect(canManageThisDraft(['biz_director'], 'SPECIAL', coordinators, 'biz')).toBe(false);
    expect(canManageThisDraft(['biz_director'], 'FLOW', [], 'biz')).toBe(true);
  });

  it('allows terminate until execution, not after open', () => {
    expect(canTerminateFrom('TECH_INITIAL')).toBe(true);
    expect(canTerminateFrom('DRAFTING')).toBe(true);
    expect(canTerminateFrom('LIST')).toBe(true);
    expect(canTerminateFrom('PENDING')).toBe(false);
    expect(canTerminateFrom('WON')).toBe(false);
  });

  it('shows the person who should act on the current step', () => {
    expect(
      currentHandlerNames({
        status: 'TECH_INITIAL',
        reviewCycle: 1,
        createdBy: { displayName: '潘兴辉' },
        reviewers: [
          { stage: 'TECH_INITIAL', result: 'PENDING', cycle: 1, user: { displayName: '戴永康' } },
        ],
      }),
    ).toBe('戴永康');
    expect(
      currentHandlerNames({
        status: 'FETCH',
        assignees: [{ role: 'FETCHER', user: { displayName: '何烨' } }],
        createdBy: { displayName: '潘兴辉' },
      }),
    ).toBe('何烨');
    expect(
      currentHandlerNames({
        status: 'DRAFTING',
        assignees: [{ role: 'DRAFTER', user: { displayName: '张婧妍' } }],
      }),
    ).toBe('张婧妍');
    expect(currentHandlerNames({ status: 'PRINT', createdBy: { displayName: '潘兴辉' } })).toBe('商务部');
    expect(currentHandlerNames({ status: 'FETCH', createdBy: { displayName: '潘兴辉' } })).toBe('待派取标人');
  });

  it('rolls back one process step, except special fetch', () => {
    expect(previousBidStatus('FETCH', 'FLOW')).toBe('TECH_INITIAL');
    expect(previousBidStatus('FETCH', 'SPECIAL')).toBeNull();
    expect(previousBidStatus('TECH_FINAL')).toBe('FETCH');
    expect(previousBidStatus('DRAFTING')).toBe('TECH_FINAL');
    expect(previousBidStatus('REVIEW1')).toBe('DRAFTING');
    expect(previousBidStatus('REVIEW2')).toBe('REVIEW1');
    expect(previousBidStatus('PRINT')).toBe('REVIEW2');
    expect(previousBidStatus('LIST')).toBe('PRINT');
    expect(previousBidStatus('PENDING')).toBe('LIST');
    expect(previousBidStatus('TECH_INITIAL')).toBeNull();
    expect(previousBidStatus('WON')).toBeNull();
  });

  it('infers the restore step for legacy terminated records without an action log', () => {
    expect(inferLegacyRestoreStatus([], [])).toBe('DRAFTING');
    expect(
      inferLegacyRestoreStatus(
        [{ stage: 'TECH_INITIAL', result: 'APPROVED' }],
        [{ role: 'FETCHER' }, { role: 'DRAFTER' }],
      ),
    ).toBe('DRAFTING');
    expect(inferLegacyRestoreStatus([], [{ role: 'BIDDER' }])).toBe('PENDING');
    expect(inferLegacyRestoreStatus([{ stage: 'REVIEW2', result: 'PENDING' }], [])).toBe('REVIEW2');
  });
});