import { describe, expect, test } from "bun:test";

import {
  decodeCheckboxAnswer,
  encodeAnswerValue,
  formatStoredAnswer,
} from "@/lib/form-answer-values";

describe("form answer values", () => {
  test("round-trips checkbox choices containing commas", () => {
    const choices = ["Alpha, beta", "Gamma"];
    const stored = encodeAnswerValue(choices);

    expect(decodeCheckboxAnswer(stored)).toEqual(choices);
    expect(formatStoredAnswer(stored, "checkbox")).toBe("Alpha, beta, Gamma");
  });

  test("continues to read legacy comma-separated checkbox answers", () => {
    expect(decodeCheckboxAnswer("Alpha, Beta")).toEqual(["Alpha", "Beta"]);
  });

  test("does not decode JSON-looking text answers", () => {
    expect(formatStoredAnswer('["plain text"]', "text")).toBe('["plain text"]');
  });
});