import { Test, TestingModule } from '@nestjs/testing';
import { TypeOrmModule } from '@nestjs/typeorm';
import { DataSource } from 'typeorm';
import { faker } from '@faker-js/faker';
import { TypeOrmBookingRepository } from '../../src/infrastructure/persistence/typeorm/repositories/typeorm-booking.repository';
import { BookingOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/booking.orm-entity';
import { ContainerOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/container.orm-entity';
import { OrganizationOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/organization.orm-entity';
import { UserOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/user.orm-entity';
import { RateQuoteOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/rate-quote.orm-entity';
import { PortOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/port.orm-entity';
import { CarrierOrmEntity } from '../../src/infrastructure/persistence/typeorm/entities/carrier.orm-entity';
import { Booking } from '../../src/domain/entities/booking.entity';
import { BookingStatus } from '../../src/domain/value-objects/booking-status.vo';
import { BookingNumber } from '../../src/domain/value-objects/booking-number.vo';

describe('TypeOrmBookingRepository (Integration)', () => {
  let module: TestingModule;
  let repository: TypeOrmBookingRepository;
  let dataSource: DataSource;
  let testOrganization: OrganizationOrmEntity;
  let testUser: UserOrmEntity;
  let testCarrier: CarrierOrmEntity;
  let testOriginPort: PortOrmEntity;
  let testDestinationPort: PortOrmEntity;
  let testRateQuote: RateQuoteOrmEntity;

  beforeAll(async () => {
    module = await Test.createTestingModule({
      imports: [
        TypeOrmModule.forRoot({
          type: 'postgres',
          host: process.env.TEST_DB_HOST || 'localhost',
          port: parseInt(process.env.TEST_DB_PORT || '5432'),
          username: process.env.TEST_DB_USER || 'postgres',
          password: process.env.TEST_DB_PASSWORD || 'postgres',
          database: process.env.TEST_DB_NAME || 'xpeditis_test',
          entities: [
            BookingOrmEntity,
            ContainerOrmEntity,
            OrganizationOrmEntity,
            UserOrmEntity,
            RateQuoteOrmEntity,
            PortOrmEntity,
            CarrierOrmEntity,
          ],
          synchronize: true, // Auto-create schema for tests
          dropSchema: true, // Clean slate for each test run
          logging: false,
        }),
        TypeOrmModule.forFeature([
          BookingOrmEntity,
          ContainerOrmEntity,
          OrganizationOrmEntity,
          UserOrmEntity,
          RateQuoteOrmEntity,
          PortOrmEntity,
          CarrierOrmEntity,
        ]),
      ],
      providers: [TypeOrmBookingRepository],
    }).compile();

    repository = module.get<TypeOrmBookingRepository>(TypeOrmBookingRepository);
    dataSource = module.get<DataSource>(DataSource);

    // Create test data fixtures
    await createTestFixtures();
  });

  afterAll(async () => {
    await dataSource.destroy();
    await module.close();
  });

  afterEach(async () => {
    // Clean up bookings after each test
    await dataSource.getRepository(ContainerOrmEntity).delete({});
    await dataSource.getRepository(BookingOrmEntity).delete({});
  });

  async function createTestFixtures() {
    const orgRepo = dataSource.getRepository(OrganizationOrmEntity);
    const userRepo = dataSource.getRepository(UserOrmEntity);
    const carrierRepo = dataSource.getRepository(CarrierOrmEntity);
    const portRepo = dataSource.getRepository(PortOrmEntity);
    const rateQuoteRepo = dataSource.getRepository(RateQuoteOrmEntity);

    // Create organization
    testOrganization = orgRepo.create({
      id: faker.string.uuid(),
      name: 'Test Freight Forwarder',
      type: 'freight_forwarder',
      scac: 'TEFF',
      address: {
        street: '123 Test St',
        city: 'Rotterdam',
        postalCode: '3000',
        country: 'NL',
      },
      contactEmail: 'test@example.com',
      contactPhone: '+31123456789',
      isActive: true,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await orgRepo.save(testOrganization);

    // Create user
    testUser = userRepo.create({
      id: faker.string.uuid(),
      organizationId: testOrganization.id,
      email: 'testuser@example.com',
      passwordHash: 'hashed_password',
      firstName: 'Test',
      lastName: 'User',
      role: 'user',
      isActive: true,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await userRepo.save(testUser);

    // Create carrier
    testCarrier = carrierRepo.create({
      id: faker.string.uuid(),
      name: 'Test Carrier Line',
      code: 'TESTCARRIER',
      scac: 'TSTC',
      supportsApi: true,
      isActive: true,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await carrierRepo.save(testCarrier);

    // Create ports
    testOriginPort = portRepo.create({
      id: faker.string.uuid(),
      name: 'Port of Rotterdam',
      code: 'NLRTM',
      city: 'Rotterdam',
      country: 'Netherlands',
      countryCode: 'NL',
      timezone: 'Europe/Amsterdam',
      latitude: 51.9225,
      longitude: 4.47917,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await portRepo.save(testOriginPort);

    testDestinationPort = portRepo.create({
      id: faker.string.uuid(),
      name: 'Port of Shanghai',
      code: 'CNSHA',
      city: 'Shanghai',
      country: 'China',
      countryCode: 'CN',
      timezone: 'Asia/Shanghai',
      latitude: 31.2304,
      longitude: 121.4737,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await portRepo.save(testDestinationPort);

    // Create rate quote
    testRateQuote = rateQuoteRepo.create({
      id: faker.string.uuid(),
      carrierId: testCarrier.id,
      originPortId: testOriginPort.id,
      destinationPortId: testDestinationPort.id,
      baseFreight: 1500.0,
      currency: 'USD',
      surcharges: [],
      totalAmount: 1500.0,
      containerType: '40HC',
      validFrom: new Date(),
      validUntil: new Date(Date.now() + 86400000 * 30), // 30 days
      etd: new Date(Date.now() + 86400000 * 7), // 7 days from now
      eta: new Date(Date.now() + 86400000 * 37), // 37 days from now
      transitDays: 30,
      createdAt: new Date(),
      updatedAt: new Date(),
    });
    await rateQuoteRepo.save(testRateQuote);
  }

  function createTestBookingEntity(): Booking {
    return Booking.create({
      id: faker.string.uuid(),
      bookingNumber: BookingNumber.generate(),
      userId: testUser.id,
      organizationId: testOrganization.id,
      rateQuoteId: testRateQuote.id,
      status: BookingStatus.create('draft'),
      shipper: {
        name: 'Shipper Company Ltd',
        address: {
          street: '456 Shipper Ave',
          city: 'Rotterdam',
          postalCode: '3001',
          country: 'NL',
        },
        contactName: 'John Shipper',
        contactEmail: 'shipper@example.com',
        contactPhone: '+31987654321',
      },
      consignee: {
        name: 'Consignee Corp',
        address: {
          street: '789 Consignee Rd',
          city: 'Shanghai',
          postalCode: '200000',
          country: 'CN',
        },
        contactName: 'Jane Consignee',
        contactEmail: 'consignee@example.com',
        contactPhone: '+86123456789',
      },
      cargoDescription: 'General cargo - electronics',
      containers: [],
      specialInstructions: 'Handle with care',
      createdAt: new Date(),
      updatedAt: new Date(),
    });
  }

  describe('save', () => {
    it('should save a new booking', async () => {
      const booking = createTestBookingEntity();

      const savedBooking = await repository.save(booking);

      expect(savedBooking.id).toBe(booking.id);
      expect(savedBooking.bookingNumber.value).toBe(booking.bookingNumber.value);
      expect(savedBooking.status.value).toBe('draft');
    });

    it('should update an existing booking', async () => {
      const booking = createTestBookingEntity();
      await repository.save(booking);

      // Update the booking
      const updatedBooking = Booking.create({
        ...booking,
        status: BookingStatus.create('pending_confirmation'),
        cargoDescription: 'Updated cargo description',
      });

      const result = await repository.save(updatedBooking);

      expect(result.status.value).toBe('pending_confirmation');
      expect(result.cargoDescription).toBe('Updated cargo description');
    });
  });

  describe('findById', () => {
    it('should find a booking by ID', async () => {
      const booking = createTestBookingEntity();
      await repository.save(booking);

      const found = await repository.findById(booking.id);

      expect(found).toBeDefined();
      expect(found?.id).toBe(booking.id);
      expect(found?.bookingNumber.value).toBe(booking.bookingNumber.value);
    });

    it('should return null for non-existent ID', async () => {
      const nonExistentId = faker.string.uuid();
      const found = await repository.findById(nonExistentId);

      expect(found).toBeNull();
    });
  });

  describe('findByBookingNumber', () => {
    it('should find a booking by booking number', async () => {
      const booking = createTestBookingEntity();
      await repository.save(booking);

      const found = await repository.findByBookingNumber(booking.bookingNumber);

      expect(found).toBeDefined();
      expect(found?.id).toBe(booking.id);
      expect(found?.bookingNumber.value).toBe(booking.bookingNumber.value);
    });

    it('should return null for non-existent booking number', async () => {
      const nonExistentNumber = BookingNumber.generate();
      const found = await repository.findByBookingNumber(nonExistentNumber);

      expect(found).toBeNull();
    });
  });

  describe('findByOrganization', () => {
    it('should find all bookings for an organization', async () => {
      const booking1 = createTestBookingEntity();
      const booking2 = createTestBookingEntity();
      const booking3 = createTestBookingEntity();

      await repository.save(booking1);
      await repository.save(booking2);
      await repository.save(booking3);

      const bookings = await repository.findByOrganization(testOrganization.id);

      expect(bookings).toHaveLength(3);
      expect(bookings.every((b) => b.organizationId === testOrganization.id)).toBe(true);
    });

    it('should return empty array for organization with no bookings', async () => {
      const nonExistentOrgId = faker.string.uuid();
      const bookings = await repository.findByOrganization(nonExistentOrgId);

      expect(bookings).toEqual([]);
    });
  });

  describe('findByStatus', () => {
    it('should find bookings by status', async () => {
      const draftBooking1 = createTestBookingEntity();
      const draftBooking2 = createTestBookingEntity();
      const confirmedBooking = Booking.create({
        ...createTestBookingEntity(),
        status: BookingStatus.create('confirmed'),
      });

      await repository.save(draftBooking1);
      await repository.save(draftBooking2);
      await repository.save(confirmedBooking);

      const draftBookings = await repository.findByStatus(BookingStatus.create('draft'));
      const confirmedBookings = await repository.findByStatus(BookingStatus.create('confirmed'));

      expect(draftBookings).toHaveLength(2);
      expect(confirmedBookings).toHaveLength(1);
      expect(draftBookings.every((b) => b.status.value === 'draft')).toBe(true);
      expect(confirmedBookings.every((b) => b.status.value === 'confirmed')).toBe(true);
    });
  });

  describe('delete', () => {
    it('should delete a booking', async () => {
      const booking = createTestBookingEntity();
      await repository.save(booking);

      const found = await repository.findById(booking.id);
      expect(found).toBeDefined();

      await repository.delete(booking.id);

      const deletedBooking = await repository.findById(booking.id);
      expect(deletedBooking).toBeNull();
    });

    it('should not throw error when deleting non-existent booking', async () => {
      const nonExistentId = faker.string.uuid();
      await expect(repository.delete(nonExistentId)).resolves.not.toThrow();
    });
  });

  describe('complex scenarios', () => {
    it('should handle bookings with multiple containers', async () => {
      const booking = createTestBookingEntity();

      // Note: Container handling would be tested separately
      // This test ensures the booking can be saved without containers first
      await repository.save(booking);

      const found = await repository.findById(booking.id);
      expect(found).toBeDefined();
    });

    it('should maintain data integrity for nested shipper and consignee', async () => {
      const booking = createTestBookingEntity();
      await repository.save(booking);

      const found = await repository.findById(booking.id);

      expect(found?.shipper.name).toBe(booking.shipper.name);
      expect(found?.shipper.contactEmail).toBe(booking.shipper.contactEmail);
      expect(found?.consignee.name).toBe(booking.consignee.name);
      expect(found?.consignee.contactEmail).toBe(booking.consignee.contactEmail);
    });
  });
});