// The admin log console's filters in the address bar: a link carries them, a hand-edited value the
// API would refuse degrades to "no filter", and a filter at its default leaves no key behind.
import { describe, expect, it } from "vitest";

import {
  DEFAULT_LOGS_STATE,
  logsParamsToState,
  logsParamUpdates,
  type LogsUrlState,
} from "./logsUrlState";

const params = (updates: Record<string, string | null>) =>
  new URLSearchParams(Object.entries(updates).filter((e): e is [string, string] => e[1] !== null));

describe("logsUrlState", () => {
  it("round-trips every filter", () => {
    const state: LogsUrlState = {
      group: "error",
      sources: ["worker"],
      user: "none",
      event: "download.job.failed",
      requestId: "req-abcdef12",
      jobId: 42,
      q: "100% done",
      window: "7d",
    };
    expect(logsParamsToState(params(logsParamUpdates(state)))).toEqual(state);
  });

  it("leaves no key for a filter at its default", () => {
    expect(Object.values(logsParamUpdates(DEFAULT_LOGS_STATE)).every((v) => v === null)).toBe(true);
  });

  it("drops a value the API would refuse instead of sending it", () => {
    const state = logsParamsToState(
      new URLSearchParams(
        "lgrp=loud&lsrc=api,WORKER,x y&lu=me&lev=Not.A.Code&lreq=short&ljob=0&lwin=1y",
      ),
    );
    expect(state).toEqual({ ...DEFAULT_LOGS_STATE, sources: ["api"] });
  });
});