import {
  assertCanApproveContractStep,
  canEditContractStep,
  collectPermissionKeys,
  hasFreightPermission,
  setPositionTypePermissionResolver,
} from './freight-permission.util';
import { FREIGHT_PERMS } from '../seed/freight-permissions.registry';

// The document-edit gate (canEditContractStep) must be STRICT: only the approver
// whose turn it is may edit. This is the fix for a previous approver keeping the
// "Edit contract articles" button after acting, because the approve gate lets
// through anyone holding any contract-approve permission.
describe('canEditContractStep (strict per-step edit gate)', () => {
  const director = {
    employee: { position: { positionType: { key: '-marketing-director-' } } },
  };
  // A line staff who already approved their own step but still holds a
  // contract-approve permission — the exact actor that leaked edit rights.
  const officerWithApprovePerm = {
    employee: {
      position: {
        positionType: { key: '-marketing-officer-' },
        permissions: [{ key: FREIGHT_PERMS.contracts.approveLineStaff }],
      },
    },
  };
  const superAdmin = { roles: [{ key: 'super_admin' }] };

  it('lets the step’s own approver edit', () => {
    expect(canEditContractStep(director, '-marketing-director-')).toBe(true);
  });

  it('lets an approval admin edit any step', () => {
    expect(canEditContractStep(superAdmin, '-marketing-director-')).toBe(true);
  });

  it('does NOT let a different approver edit just because they hold an approve permission', () => {
    expect(canEditContractStep(officerWithApprovePerm, '-marketing-director-')).toBe(
      false,
    );
  });

  it('stays intentionally stricter than the approve gate (which keeps the blanket fallback)', () => {
    // The approve gate passes the officer via the any-permission blanket…
    expect(() =>
      assertCanApproveContractStep(officerWithApprovePerm, '-marketing-director-'),
    ).not.toThrow();
    // …but the edit gate does not — that divergence IS the fix.
    expect(canEditContractStep(officerWithApprovePerm, '-marketing-director-')).toBe(
      false,
    );
  });
});

/**
 * The GL lockout regression: positions created through the admin UI keep their
 * grants on the position TYPE, and the JWT only ever snapshots DIRECT position
 * permissions. Without the type resolver those staff resolved to zero
 * permissions, so every gated route rejected them — which is what kept GL
 * officers out of their own clearance detail pages.
 */
describe('collectPermissionKeys — position-type grants', () => {
  const CLEARANCE = FREIGHT_PERMS.contracts.clearanceReview;

  afterEach(() => {
    setPositionTypePermissionResolver(() => []);
  });

  const glOfficer = {
    roles: [],
    permissions: [],
    employee: {
      position: {
        permissions: [], // admin-created position carries NO direct grants
        positionType: { key: 'commercial-global-logistics-(et)-officer' },
      },
    },
  };

  it('resolves permissions carried by the position type', () => {
    setPositionTypePermissionResolver((key) =>
      key === 'commercial-global-logistics-(et)-officer' ? [CLEARANCE] : [],
    );

    expect(collectPermissionKeys(glOfficer)).toContain(CLEARANCE);
    expect(hasFreightPermission(glOfficer, CLEARANCE)).toBe(true);
  });

  it('handles the array-shaped employee payload too', () => {
    setPositionTypePermissionResolver(() => [CLEARANCE]);

    const arrayShaped = {
      roles: [],
      permissions: [],
      employee: [
        {
          positions: [
            { permissions: [], positionType: { key: 'djibouti-gl-officer' } },
          ],
        },
      ],
    };

    expect(hasFreightPermission(arrayShaped, CLEARANCE)).toBe(true);
  });

  it('still rejects when neither the position nor its type grants it', () => {
    setPositionTypePermissionResolver(() => []);

    expect(hasFreightPermission(glOfficer, CLEARANCE)).toBe(false);
  });

  it('keeps direct position permissions working with no resolver installed', () => {
    const direct = {
      roles: [],
      permissions: [],
      employee: { position: { permissions: [{ key: CLEARANCE }] } },
    };

    expect(hasFreightPermission(direct, CLEARANCE)).toBe(true);
  });
});