import { parseJwt } from "./jwt";

describe("The parseJwt function", () => {
  test("parses a valid kandimat jwt", () => {
    const validJwt =
      "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoiY2FuZHltYXRfZWRpdG9yIiwicGVyc29uX3Jvd19pZCI6MSwiZXhwIjoxNjA5NDEyMTY4LCJpYXQiOjE2MDkyMzkzNjgsImF1ZCI6InBvc3RncmFwaGlsZSIsImlzcyI6InBvc3RncmFwaGlsZSJ9.6VLDBS5_HwgWIf_MKkMCuj4EVBZkbSGm87aWt5grP2M";

    const jwt = parseJwt(validJwt);

    expect(jwt).not.toBeNull();
    expect(jwt?.person_row_id).toBe(1);
    expect(jwt?.role).toBe("kandimat_editor");
  });

  test("returns null if role claim is invalid", () => {
    const invalidRoleClaimJwt =
      "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoiY2FuZHllZGl0b3IiLCJwZXJzb25fcm93X2lkIjoxLCJleHAiOjE2MDk0MTIxNjgsImlhdCI6MTYwOTIzOTM2OCwiYXVkIjoicG9zdGdyYXBoaWxlIiwiaXNzIjoicG9zdGdyYXBoaWxlIn0._AVFTMqMkIuyrfQGTmWE-Qi-C72KCrZ3s_uVyfuEDco";

    const jwt = parseJwt(invalidRoleClaimJwt);

    expect(jwt).toBeNull();
  });

  test("returns null if person_row_id is not a number", () => {
    const invalidRowIdClaimJwt =
      "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoiY2FuZHltYXRfZWRpdG9yIiwicGVyc29uX3Jvd19pZCI6IjEiLCJleHAiOjE2MDk0MTIxNjgsImlhdCI6MTYwOTIzOTM2OCwiYXVkIjoicG9zdGdyYXBoaWxlIiwiaXNzIjoicG9zdGdyYXBoaWxlIn0.NfXylzN44qrZA5DX0qxxU71vJ1o9gdunscnK6V193Fc";

    const jwt = parseJwt(invalidRowIdClaimJwt);

    expect(jwt).toBeNull();
  });

  test("returns null if token is rubish.", () => {
    const brokenJwt =
      "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eysssssssssssssssssssss.6VLDBS5_HwgWIf_MKkMCuj4EVBZkbSGm87aWt5grP2M";
    const jwt = parseJwt(brokenJwt);

    expect(jwt).toBeNull();
  });
});