import { BadRequestException, NotFoundException } from "@nestjs/common";
import { LookupsService } from "./lookups.service";

describe("LookupsService.findLastProcessedCarPolicy", () => {
  const originalClient = process.env.FANAVARAN_CLIENT;

  beforeAll(() => {
    process.env.FANAVARAN_CLIENT = "parsian";
  });

  afterAll(() => {
    process.env.FANAVARAN_CLIENT = originalClient;
  });

  function createService(lookup: Record<string, jest.Mock>) {
    return new LookupsService(
      {} as any,
      lookup as any,
    );
  }

  it("returns the last matching third-party policy and its vehicle", async () => {
    const lookup = {
      myPolicies: jest.fn().mockResolvedValue([
        {
          PolicyId: 10,
          InsuranceLineId: 5,
          BeginDate: "1403/01/01",
          EndDate: "1404/01/01",
        },
        {
          PolicyId: 20,
          InsuranceLineId: 5,
          BeginDate: "1405/01/01",
          EndDate: "1406/01/01",
        },
        {
          PolicyId: 99,
          InsuranceLineId: 4,
          BeginDate: "1405/01/01",
          EndDate: "1406/01/01",
        },
      ]),
      inquiryByVin: jest.fn().mockResolvedValue([{ Id: 500, VIN: "IRNKAEK4150012345" }]),
      thirdPartyPolicyById: jest.fn().mockImplementation((_key, policyId) =>
        Promise.resolve({
          PolicyId: policyId,
          VehicleId: policyId === 20 ? 500 : 700,
          BeginDate: policyId === 20 ? "1405/01/01" : "1403/01/01",
          EndDate: policyId === 20 ? "1406/01/01" : "1404/01/01",
          PreviousInsuranceCorpId: 1,
        }),
      ),
      vehicleById: jest.fn().mockImplementation((_key, vehicleId) =>
        Promise.resolve({
          Id: vehicleId,
          VIN: vehicleId === 500 ? "IRNKAEK4150012345" : "OTHERVIN000000000",
        }),
      ),
      getRemoteLookup: jest.fn().mockResolvedValue([]),
    };

    const service = createService(lookup);
    const result = await service.findLastProcessedCarPolicy("third-party", {
      nationalCode: "0012345678",
      vin: "IRNKAEK4150012345",
    });

    expect(result.policyId).toBe(20);
    expect(result.product).toBe("third-party");
    expect(result.insuranceLineId).toBe(5);
    expect(result.vehicle).toEqual({
      Id: 500,
      VIN: "IRNKAEK4150012345",
    });
    expect(lookup.thirdPartyPolicyById).toHaveBeenCalled();
    expect(lookup.myPolicies.mock.calls[0][2]).toBe(5);
  });

  it("uses the hull policy GET for car-body", async () => {
    const lookup = {
      myPolicies: jest.fn().mockResolvedValue([
        {
          PolicyId: 44,
          InsuranceLineId: 4,
          BeginDate: "1405/01/01",
          EndDate: "1406/01/01",
        },
      ]),
      inquiryByVin: jest.fn(),
      bodyPolicyById: jest.fn().mockResolvedValue({
        PolicyId: 44,
        VehicleId: 8,
        BeginDate: "1405/01/01",
        EndDate: "1406/01/01",
      }),
      thirdPartyPolicyById: jest.fn(),
      vehicleById: jest.fn().mockResolvedValue({
        Id: 8,
        PlaqueLeftNo: "12",
        PlaqueMiddleCodeId: 2,
        PlaqueRightNo: "345",
        PlaqueSerial: "67",
      }),
      getRemoteLookup: jest.fn().mockResolvedValue([]),
    };

    const service = createService(lookup);
    const result = await service.findLastProcessedCarPolicy("car-body", {
      nationalCode: "0012345678",
      plaqueLeft: "12",
      plaqueLetter: "ب",
      plaqueRight: "345",
      plaqueSerial: "67",
    });

    expect(result.policyId).toBe(44);
    expect(result.product).toBe("car-body");
    expect(lookup.bodyPolicyById).toHaveBeenCalled();
    expect(lookup.thirdPartyPolicyById).not.toHaveBeenCalled();
    expect(lookup.inquiryByVin).not.toHaveBeenCalled();
  });

  it("accepts the policy when VIN inquiry VehicleId matches and GEN.15 VIN is empty", async () => {
    const lookup = {
      myPolicies: jest.fn().mockResolvedValue([
        {
          PolicyId: 15292336,
          InsuranceLineId: 4,
          BeginDate: "1405/01/01",
          EndDate: "1406/01/01",
        },
      ]),
      inquiryByVin: jest.fn().mockResolvedValue([
        { Id: 4118289, VIN: "NAAR03HFFRDE07024" },
      ]),
      bodyPolicyById: jest.fn().mockResolvedValue({
        PolicyId: 15292336,
        VehicleId: 4118289,
        BeginDate: "1405/01/01",
        EndDate: "1406/01/01",
      }),
      thirdPartyPolicyById: jest.fn(),
      vehicleById: jest.fn().mockResolvedValue({
        Id: 4118289,
        VIN: null,
        ChassisNo: "RDE07024",
      }),
      getRemoteLookup: jest.fn().mockResolvedValue([]),
    };

    const service = createService(lookup);
    const result = await service.findLastProcessedCarPolicy("car-body", {
      nationalCode: "4311402422",
      vin: "NAAR03HFFRDE07024",
    });

    expect(result.policyId).toBe(15292336);
    expect(lookup.vehicleById.mock.calls[0][2]).toBeUndefined();
  });

  it("does not invent a search when the car does not match", async () => {
    const lookup = {
      myPolicies: jest.fn().mockResolvedValue([
        {
          PolicyId: 10,
          InsuranceLineId: 5,
          BeginDate: "1405/01/01",
          EndDate: "1406/01/01",
        },
      ]),
      inquiryByVin: jest.fn().mockResolvedValue([{ Id: 99, VIN: "IRNKAEK4150012345" }]),
      thirdPartyPolicyById: jest.fn().mockResolvedValue({
        PolicyId: 10,
        VehicleId: 1,
        BeginDate: "1405/01/01",
        EndDate: "1406/01/01",
      }),
      vehicleById: jest.fn().mockResolvedValue({
        Id: 1,
        VIN: "DIFFERENTVIN00001",
      }),
      getRemoteLookup: jest.fn().mockResolvedValue([]),
    };

    const service = createService(lookup);
    await expect(
      service.findLastProcessedCarPolicy("third-party", {
        nationalCode: "0012345678",
        vin: "IRNKAEK4150012345",
      }),
    ).rejects.toBeInstanceOf(NotFoundException);
  });

  it("rejects missing car identifiers", async () => {
    const service = createService({});
    await expect(
      service.findLastProcessedCarPolicy("third-party", {
        nationalCode: "0012345678",
      }),
    ).rejects.toBeInstanceOf(BadRequestException);
  });
});