/** Node smoke tests for Worker stats helpers (no wrangler). */
import assert from "node:assert/strict";
import {
  aggregateFromRows,
  careerFromOpenDota,
  kda,
  mergeAvailability,
  winrate,
} from "./src/stats.js";

assert.equal(kda(10, 0, 5), 15);
assert.equal(winrate(0, 0), null);
assert.equal(winrate(1, 1), 50);

const emptyCareer = careerFromOpenDota({ win: 0, lose: 0 }, []);
assert.equal(emptyCareer, null);

const career = careerFromOpenDota(
  { win: 2, lose: 1 },
  [
    { field: "kills", sum: 30, n: 3 },
    { field: "deaths", sum: 6, n: 3 },
    { field: "assists", sum: 15, n: 3 },
  ]
);
assert.equal(career.games, 3);
assert.equal(career.winrate, 66.7);
assert.ok(career.kda > 0);

const recent = aggregateFromRows(
  [
    { match_id: 1, won: true, kills: 5, deaths: 1, assists: 3, gpm: 500 },
    { match_id: 1, won: true, kills: 5, deaths: 1, assists: 3, gpm: 500 }, // duplicate row ok in unit
    { match_id: 2, won: false, kills: 0, deaths: 0, assists: 2, gpm: 400 },
  ],
  20
);
assert.equal(recent.sample, 3);
assert.equal(recent.wins, 2);

const syncing = mergeAvailability({
  opendotaRecentN: 0,
  career: null,
  steamHistoryStatus: 1,
  fetchedAt: "2026-07-31T00:00:00Z",
});
assert.equal(syncing.status, "syncing");
assert.match(syncing.note, /OpenDota/);

const priv = mergeAvailability({
  opendotaRecentN: 0,
  career: null,
  steamHistoryStatus: 15,
  fetchedAt: "2026-07-31T00:00:00Z",
});
assert.equal(priv.status, "private");

console.log("stats.js ok");