import {
  canReuseCachedFanavaranVehicleIds,
  collectPartyVinCandidates,
  fanavaranIdOrConfigDefault,
  fanavaranPayloadMatchesDamagedIdentity,
  fanavaranVehicleMatchesDamagedIdentity,
  filterPoliciesByLine,
  applyFanavaranManualPayloadOverrides,
  resolveDamageCasePlaqueLookupIds,
  insuranceLineLabel,
  parseLastCarPolicyInput,
  pickFanavaranPlaqueLookupFields,
  pickFanavaranVehicleFromInquiry,
  pickVehicleId,
  pickVinFromPartyVehicle,
  plaqueLetterFromMiddleCode,
  plaqueMatchesVehicle,
  selectFanavaranVehicleForDamageCase,
  selectLastAmongCarMatches,
  toAppPlaque,
  vehicleMatchesCar,
} from "./fanavaran-last-car-policy";

describe("fanavaran last car policy", () => {
  const today = "2026-09-05";

  it("parses national code and prefers VIN when both identifiers are sent", () => {
    const parsed = parseLastCarPolicyInput({
      nationalCode: "۰۰۱۲۳۴۵۶۷۸",
      vin: " irnkaek4150012345 ",
      plaqueLeft: "12",
      plaqueLetter: "ب",
      plaqueRight: "345",
      plaqueSerial: "67",
    });

    expect(parsed).toEqual({
      nationalCode: "0012345678",
      vin: "IRNKAEK4150012345",
      plaque: { left: "12", letter: "ب", right: "345", serial: "67" },
    });
  });

  it("rejects a partial plaque when VIN is missing", () => {
    const parsed = parseLastCarPolicyInput({
      nationalCode: "0012345678",
      plaqueLeft: "12",
      plaqueLetter: "ب",
    });

    expect(parsed).toEqual({
      error:
        "plaque requires all four parts: plaqueLeft, plaqueLetter, plaqueRight, plaqueSerial",
    });
  });

  it("maps insurance line ids to CAR_BODY and THIRD_PARTY", () => {
    expect(insuranceLineLabel(4)).toBe("CAR_BODY");
    expect(insuranceLineLabel(5)).toBe("THIRD_PARTY");
  });

  it("converts PlaqueMiddleCodeId 5 to د and builds app plaque parts", () => {
    expect(plaqueLetterFromMiddleCode(5)).toBe("د");
    expect(
      toAppPlaque({
        PlaqueLeftNo: "29",
        PlaqueMiddleCodeId: 5,
        PlaqueRightNo: "782",
        PlaqueSerial: "60",
      }),
    ).toEqual({
      leftTwoDigits: "29",
      serialLetter: "د",
      threeDigits: "782",
      rightTwoDigits: "60",
    });
  });

  it("keeps only the requested insurance line", () => {
    const rows = filterPoliciesByLine(
      [
        { PolicyId: 1, InsuranceLineId: 5, EndDate: "1405/01/01" },
        { PolicyId: 2, InsuranceLineId: 4, EndDate: "1405/01/01" },
        { PolicyId: 3, EndDate: "1405/01/01" },
      ],
      5,
    );

    expect(rows.map((row) => row.PolicyId)).toEqual([1, 3]);
  });

  it("reads VehicleId from a one-item inquiry-by-vin array", () => {
    expect(pickVehicleId([{ Id: 4118289, VIN: "NAAR03HFFRDE07024" }])).toBe(
      4118289,
    );
  });

  it("picks the inquiry row matching policy VehicleId and VIN from the party", () => {
    const inquired = [
      { Id: 1, UsedId: 1, VehicleKindId: 10 },
      {
        Id: 3379978,
        UsedId: 84,
        VehicleKindId: 5950,
        VIN: "NAS451100P4934023",
      },
    ];
    expect(pickFanavaranVehicleFromInquiry(inquired, 3379978)).toEqual(
      inquired[1],
    );
    expect(
      pickVinFromPartyVehicle({
        vehicle: { vin: "nas451100p4934023" },
      }),
    ).toBe("NAS451100P4934023");
    expect(
      pickVinFromPartyVehicle({
        vehicle: {
          inquiry: { mapped: { VIN: "NAS451100P4934023" } },
        },
      }),
    ).toBe("NAS451100P4934023");
  });

  it("does not let chassis stored on vehicle.vin beat the inquiry VIN", () => {
    const party = {
      vehicle: {
        vin: "NAAN01CA9BK493683",
        inquiry: {
          mapped: {
            VIN: "IRFC901V119493683",
            ChassisNo: "NAAN01CA9BK493683",
          },
        },
      },
    };
    expect(pickVinFromPartyVehicle(party)).toBe("IRFC901V119493683");
    expect(collectPartyVinCandidates(party)).toEqual([
      "IRFC901V119493683",
      "NAAN01CA9BK493683",
    ]);
  });

  it("prefers the VIN-inquiry row that already has PlaqueKindId", () => {
    expect(
      pickFanavaranVehicleFromInquiry([
        { Id: 1, VIN: "IRFC901V119493683" },
        { Id: 2, VIN: "IRFC901V119493683", PlaqueKindId: 15, PlaqueSampleId: 24 },
      ]),
    ).toEqual({
      Id: 2,
      VIN: "IRFC901V119493683",
      PlaqueKindId: 15,
      PlaqueSampleId: 24,
    });
  });

  it("reads plaque kind and sample from VIN inquiry for the lookup filter", () => {
    expect(
      pickFanavaranPlaqueLookupFields({
        PlaqueKindId: 15,
        PlaqueSampleId: 24,
        PlaqueCityId: null,
        PlaqueLeftNo: "62",
        PlaqueMiddleCodeId: 14,
        PlaqueRightNo: "278",
        PlaqueSerial: "50",
        PlaqueNo: "278و62",
      }),
    ).toEqual({
      kindId: 15,
      sampleId: 24,
      cityId: null,
      leftNo: "62",
      middleCodeId: 14,
      rightNo: "278",
      serial: "50",
      plaqueNo: "278و62",
    });
  });

  it("uses tenant config default when the API id is missing", () => {
    expect(fanavaranIdOrConfigDefault(15, 8)).toBe(15);
    expect(fanavaranIdOrConfigDefault(null, 8)).toBe(8);
    expect(fanavaranIdOrConfigDefault(0, 10)).toBe(10);
  });

  it("matches VIN against ChassisNo when VIN is empty", () => {
    expect(
      vehicleMatchesCar(
        { VIN: null, ChassisNo: "NAAR03HFFRDE07024" },
        { vin: "NAAR03HFFRDE07024" },
      ),
    ).toBe(true);
  });

  it("matches by VIN-inquiry VehicleId when GEN.15 VIN is empty", () => {
    expect(
      vehicleMatchesCar(
        { Id: 4118289, VIN: null, ChassisNo: "RDE07024" },
        { vin: "NAAR03HFFRDE07024" },
        4118289,
      ),
    ).toBe(true);
  });

  it("matches VIN trim and case-insensitively", () => {
    expect(
      vehicleMatchesCar(
        { VIN: " irnKAEK4150012345 " },
        { vin: "IRNKAEK4150012345" },
      ),
    ).toBe(true);
  });

  it("matches plaque by all four parts including letter code", () => {
    expect(
      plaqueMatchesVehicle(
        { left: "12", letter: "ب", right: "345", serial: "67" },
        {
          PlaqueLeftNo: "12",
          PlaqueMiddleCodeId: 2,
          PlaqueRightNo: "345",
          PlaqueSerial: "67",
        },
      ),
    ).toBe(true);
  });

  it("lets VIN win when both VIN and plaque are sent", () => {
    expect(
      vehicleMatchesCar(
        {
          VIN: "IRNKAEK4150012345",
          PlaqueLeftNo: "99",
          PlaqueMiddleCodeId: 1,
          PlaqueRightNo: "111",
          PlaqueSerial: "22",
        },
        {
          vin: "IRNKAEK4150012345",
          plaque: { left: "12", letter: "ب", right: "345", serial: "67" },
        },
      ),
    ).toBe(true);
  });

  it("does not match plaque when any part differs", () => {
    expect(
      plaqueMatchesVehicle(
        { left: "12", letter: "ب", right: "345", serial: "67" },
        {
          PlaqueLeftNo: "12",
          PlaqueMiddleCodeId: 2,
          PlaqueRightNo: "345",
          PlaqueSerial: "68",
        },
      ),
    ).toBe(false);
  });

  it("picks the active renewal with the newest BeginDate", () => {
    const selected = selectLastAmongCarMatches(
      [
        {
          policyId: 10,
          beginDate: "1404/06/01",
          endDate: "1405/06/01",
          policy: {},
          vehicle: null,
        },
        {
          policyId: 20,
          beginDate: "1405/06/02",
          endDate: "1406/06/01",
          policy: {},
          vehicle: null,
        },
        {
          policyId: 30,
          beginDate: "1403/01/01",
          endDate: "1404/01/01",
          policy: {},
          vehicle: null,
        },
      ],
      today,
    );

    expect(selected?.policyId).toBe(20);
  });

  it("falls back to the latest EndDate when no match is active", () => {
    const selected = selectLastAmongCarMatches(
      [
        {
          policyId: 10,
          beginDate: "1402/01/01",
          endDate: "1403/01/01",
          policy: {},
          vehicle: null,
        },
        {
          policyId: 20,
          beginDate: "1403/01/01",
          endDate: "1404/06/01",
          policy: {},
          vehicle: null,
        },
      ],
      today,
    );

    expect(selected?.policyId).toBe(20);
  });

  it("returns null when there are no matches", () => {
    expect(selectLastAmongCarMatches([], today)).toBeNull();
  });

  const damagedIdentity = {
    vin: "IRPC941V2BD798656",
    chassis: "NAS431100E5798656",
    plaque: { left: "59", letter: "ی", right: "419", serial: "78" },
    policyCINumber: "16040446424",
  };

  const culpritVehicle = {
    Id: 475449,
    VIN: "IRFC891V7D2301065",
    ChassisNo: "NAAP41FD5BJ301065",
    VehicleKindId: 6953,
    VersionNo: 3,
    PlaqueKindId: 8,
    PlaqueSampleId: 10,
    PlaqueLeftNo: "56",
    PlaqueMiddleCodeId: 5,
    PlaqueRightNo: "394",
    PlaqueSerial: "66",
    PlaqueNo: "394د56",
  };

  it("does not treat the culprit vehicle as the damaged car", () => {
    expect(
      fanavaranVehicleMatchesDamagedIdentity(culpritVehicle, damagedIdentity),
    ).toBe(false);
    expect(
      selectFanavaranVehicleForDamageCase(
        [
          culpritVehicle,
          { Id: 9, VIN: "OTHER", PlaqueKindId: 15, PlaqueSampleId: 24 },
        ],
        damagedIdentity,
      ),
    ).toBeNull();
  });

  it("ignores a PlaqueKindId 15 row that does not share VIN or plate", () => {
    expect(
      selectFanavaranVehicleForDamageCase(
        [
          { Id: 1, VIN: "IRPC941V2BD798656" },
          {
            Id: 2,
            VIN: "IRFC901V119493683",
            PlaqueKindId: 15,
            PlaqueSampleId: 24,
            PlaqueLeftNo: "62",
            PlaqueMiddleCodeId: 14,
            PlaqueRightNo: "278",
            PlaqueSerial: "50",
          },
        ],
        damagedIdentity,
      ),
    ).toEqual({ Id: 1, VIN: "IRPC941V2BD798656" });
  });

  it("requires plate agreement when the inquiry row has plaque parts", () => {
    expect(
      selectFanavaranVehicleForDamageCase(
        [
          {
            Id: 1,
            VIN: "IRPC941V2BD798656",
            PlaqueKindId: 15,
            PlaqueLeftNo: "56",
            PlaqueMiddleCodeId: 5,
            PlaqueRightNo: "394",
            PlaqueSerial: "66",
          },
        ],
        damagedIdentity,
      ),
    ).toBeNull();
  });

  it("picks the newest matching version of the damaged VIN and plate", () => {
    expect(
      selectFanavaranVehicleForDamageCase(
        [
          {
            Id: 10,
            VIN: "IRPC941V2BD798656",
            ChassisNo: "NAS431100E5798656",
            VersionNo: 1,
            PlaqueKindId: 15,
            PlaqueSampleId: 24,
            PlaqueLeftNo: "59",
            PlaqueMiddleCodeId: 16,
            PlaqueRightNo: "419",
            PlaqueSerial: "78",
          },
          {
            Id: 10,
            VIN: "IRPC941V2BD798656",
            ChassisNo: "NAS431100E5798656",
            VersionNo: 3,
            PlaqueKindId: 8,
            PlaqueSampleId: 10,
            PlaqueLeftNo: "59",
            PlaqueMiddleCodeId: 16,
            PlaqueRightNo: "419",
            PlaqueSerial: "78",
          },
        ],
        damagedIdentity,
      )?.PlaqueKindId,
    ).toBe(8);
  });

  it("rejects cached payload ids from a different VIN, plate, or CI number", () => {
    expect(
      fanavaranPayloadMatchesDamagedIdentity(
        {
          VIN: "IRFC891V7D2301065",
          ChassisNo: "NAAP41FD5BJ301065",
          PolicyCINumber: "16018466143",
          PlaqueKindId: 8,
          PlaqueLeftNo: "56",
          PlaqueMiddleCodeId: 5,
          PlaqueRightNo: "394",
          PlaqueSerial: "66",
        },
        damagedIdentity,
      ),
    ).toBe(false);
    expect(canReuseCachedFanavaranVehicleIds("config-default")).toBe(false);
    expect(canReuseCachedFanavaranVehicleIds("vehicle-inquiry")).toBe(true);
    expect(canReuseCachedFanavaranVehicleIds(undefined)).toBe(false);
  });

  it("accepts cache only when VIN, plate, and CI number all agree", () => {
    expect(
      fanavaranPayloadMatchesDamagedIdentity(
        {
          VIN: "IRPC941V2BD798656",
          ChassisNo: "NAS431100E5798656",
          PolicyCINumber: "16040446424",
          PlaqueLeftNo: "59",
          PlaqueMiddleCodeId: 16,
          PlaqueRightNo: "419",
          PlaqueSerial: "78",
          PlaqueKindId: 8,
        },
        damagedIdentity,
      ),
    ).toBe(true);
  });

  it("uses national plaque 8/10 when the damaged VIN is unknown to Fanavaran", () => {
    expect(resolveDamageCasePlaqueLookupIds(null)).toEqual({
      kindId: 8,
      sampleId: 10,
      source: "national-plate-default",
    });
  });

  it("keeps live PlaqueKindId 8 when Swagger body still has stale 15", () => {
    expect(
      applyFanavaranManualPayloadOverrides(
        {
          PlaqueKindId: 8,
          PlaqueSampleId: 10,
          VehicleKindId: 6704,
          AccidentVehicleUsedId: 1,
          Desc: "سپر جلو",
        },
        {
          PlaqueKindId: 15,
          PlaqueSampleId: 24,
          Desc: "سپر جلو (edited)",
        },
        ["Desc", "EstimateAmount", "LicenceNo"],
      ),
    ).toEqual({
      PlaqueKindId: 8,
      PlaqueSampleId: 10,
      VehicleKindId: 6704,
      AccidentVehicleUsedId: 1,
      Desc: "سپر جلو (edited)",
    });
  });
});