import { describe, expect, it } from "vitest";
import { augmentRecords, parseMergeData } from "../../src/labels/data";

describe("label merge data", () => {
  it("parses quoted CSV and bounded JSON records", () => {
    expect(
      parseMergeData('name,address\n"Ada, A.","Line 1\nLine 2"', "csv"),
    ).toEqual([{ name: "Ada, A.", address: "Line 1\nLine 2" }]);
    expect(
      parseMergeData('[{"name":"Grace","meta":{"team":"Compiler"}}]', "json"),
    ).toEqual([{ name: "Grace", "meta.team": "Compiler" }]);
  });

  it("rejects duplicate CSV headers and dangerous JSON keys", () => {
    expect(() => parseMergeData("name,name\na,b", "csv")).toThrow(/unique/iu);
    expect(() => parseMergeData('[{"__proto__":{"x":1}}]', "json")).toThrow(
      /Dangerous JSON/iu,
    );
  });

  it("adds deterministic serials and injected secure random bytes", () => {
    const records = augmentRecords(
      [{ name: "Ada" }],
      {
        count: 2,
        serialPrefix: "A-",
        serialStart: 7,
        serialPadding: 3,
        randomLength: 4,
      },
      (length) => new Uint8Array(length).fill(0),
    );
    expect(records).toEqual([
      { name: "Ada", __row: "1", __serial: "A-007", __random: "AAAA" },
      { __row: "2", __serial: "A-008", __random: "AAAA" },
    ]);
  });
});