import { test } from "node:test";
import assert from "node:assert/strict";
import { leaderboardFilters, leaderboardHref } from "../shared/leaderboard";

test("leaderboard filters constrain malformed and repeated query parameters", () => {
  assert.deepEqual(
    leaderboardFilters({ difficulty: "hard", q: "  Alex  ", page: "3" }),
    { difficulty: "hard", search: "Alex", page: 3 },
  );
  for (const page of ["-4", "0", "Infinity", "2.5", "no", ["2", "3"]]) {
    assert.equal(leaderboardFilters({ page }).page, 1);
  }
  assert.equal(
    leaderboardFilters({ difficulty: ["hard", "easy"] }).difficulty,
    "all",
  );
  assert.equal(
    leaderboardFilters({ difficulty: "creative" }).difficulty,
    "all",
  );
  assert.equal(
    leaderboardFilters({ q: "x".repeat(100), page: "2000000" }).search.length,
    64,
  );
  assert.equal(leaderboardFilters({ page: "2000000" }).page, 1_000_000);
});

test("leaderboard navigation preserves and encodes player searches", () => {
  const link = new URL(
    leaderboardHref("normal", "Alex & %_", 3),
    "https://minegeo.test",
  );
  assert.equal(link.searchParams.get("difficulty"), "normal");
  assert.equal(link.searchParams.get("q"), "Alex & %_");
  assert.equal(link.searchParams.get("page"), "3");
  assert.equal(leaderboardHref("all"), "/leaderboard");
  assert.equal(
    new URL(leaderboardHref("easy", "Alex"), link).searchParams.has("page"),
    false,
  );
});