import { HttpClient } from '@angular/common/http';
import { TestBed } from '@angular/core/testing';
import { of } from 'rxjs';
import { vi } from 'vitest';
import { LeaseFinalizationService } from './lease-finalization.service';

describe('LeaseFinalizationService', () => {
  const http = {
    get: vi.fn().mockReturnValue(of({})),
    post: vi.fn().mockReturnValue(of({})),
  };

  beforeEach(() => {
    vi.clearAllMocks();
    TestBed.configureTestingModule({
      providers: [LeaseFinalizationService, { provide: HttpClient, useValue: http }],
    });
  });

  it('uses the finalization state endpoint', () => {
    TestBed.inject(LeaseFinalizationService).getState('lease-1').subscribe();

    expect(http.get).toHaveBeenCalledWith('/api/leases/lease-1/finalization');
  });

  it('uploads an attested guarantee deed for one guarantor and tenant pair', () => {
    const file = new File(['deed'], 'cautionnement.pdf', { type: 'application/pdf' });
    TestBed.inject(LeaseFinalizationService)
      .uploadGuaranteeDeed('lease-1', file, 'guarantor-1', 'tenant-1')
      .subscribe();

    const formData = http.post.mock.calls[0][1] as FormData;
    expect(http.post.mock.calls[0][0]).toBe('/api/leases/lease-1/guarantee-deeds');
    expect(formData.get('file')).toBe(file);
    expect(formData.get('guarantorId')).toBe('guarantor-1');
    expect(formData.get('tenantId')).toBe('tenant-1');
    expect(formData.get('attestation')).toBe('true');
  });

  it('sends the signed PDF and a native JSON metadata part', async () => {
    const file = new File(['lease'], 'bail-signe.pdf', { type: 'application/pdf' });
    TestBed.inject(LeaseFinalizationService)
      .finalize('lease-1', {
        signedLease: file,
        revisionNumber: 4,
        lastSignatureDate: '2026-07-19',
        allPartiesSigned: true,
        revisionMatches: true,
        confirmedWarningCodes: ['DPE_OVERRIDE', 'RENT_OVERRIDE'],
        entryInventoryDiscrepancies: true,
        inventoryCorrections: [
          {
            id: 'correction-1',
            inventoryLineId: null,
            privateAreaId: 'area-1',
            designation: 'Chaise',
            quantity: 0,
            description: 'Absente',
          },
        ],
        allInventoryCorrectionsInitialed: true,
      })
      .subscribe();

    const formData = http.post.mock.calls[0][1] as FormData;
    expect(http.post.mock.calls[0][0]).toBe('/api/leases/lease-1/finalization');
    expect(formData.get('signedLease')).toBe(file);
    const metadata = formData.get('metadata');
    expect(metadata).toBeInstanceOf(Blob);
    await expect((metadata as Blob).text()).resolves.toBe(
      JSON.stringify({
        revisionNumber: 4,
        lastSignatureDate: '2026-07-19',
        allPartiesSigned: true,
        revisionMatches: true,
        confirmedWarningCodes: ['DPE_OVERRIDE', 'RENT_OVERRIDE'],
        entryInventoryDiscrepancies: true,
        inventoryCorrections: [
          {
            id: 'correction-1',
            inventoryLineId: null,
            privateAreaId: 'area-1',
            designation: 'Chaise',
            quantity: 0,
            description: 'Absente',
          },
        ],
        allInventoryCorrectionsInitialed: true,
      }),
    );
  });
});