import { describe, expect, it } from "vitest";
import { buildCompanyNotesUpdate } from "@/domain/vendors/utils/build-company-notes-patch";

const baseline = { companyId: 12, rowVersion: "AAAAAAAAB9E=", notes: "Call before arrival" };

describe("buildCompanyNotesUpdate", () => {
  it("builds a notes-only additive patch when the notes changed", () => {
    expect(buildCompanyNotesUpdate(baseline, "  Gate code 4411  ")).toEqual({
      companyId: 12,
      patch: {
        rowVersion: "AAAAAAAAB9E=",
        addTechnicians: [],
        companyFields: { notes: "Gate code 4411" },
      },
    });
  });

  it("skips the write when the notes are unchanged apart from whitespace", () => {
    expect(buildCompanyNotesUpdate(baseline, "Call before arrival  ")).toBeNull();
  });

  it("skips the write without a loaded company baseline", () => {
    expect(buildCompanyNotesUpdate(null, "New notes")).toBeNull();
    expect(buildCompanyNotesUpdate({ ...baseline, companyId: null }, "New notes")).toBeNull();
    expect(buildCompanyNotesUpdate({ ...baseline, rowVersion: "" }, "New notes")).toBeNull();
  });

  it("does not send an emptied field, which the additive patch treats as unchanged", () => {
    expect(buildCompanyNotesUpdate(baseline, "   ")).toBeNull();
  });
});