car body policy and sales extended

src/lookups/fanavaran-last-car-policy.spec.ts

@@ -0,0 +1,194 @@
+import {
+  filterPoliciesByLine,
+  parseLastCarPolicyInput,
+  pickVehicleId,
+  plaqueMatchesVehicle,
+  selectLastAmongCarMatches,
+  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("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("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();
+  });
+});