import { describe, expect, test } from "bun:test";
import {
  buildVoiceLeaderboard,
  buildXpLeaderboard,
} from "@/lib/leaderboard/ranking";

describe("member leaderboard standing", () => {
  test("keeps shared XP rank when filtering to one Discord ID", () => {
    const leaderboard = buildXpLeaderboard([
      { userId: "one", username: "one", displayName: null, level: 2, totalXp: "1000" },
      { userId: "two", username: "two", displayName: null, level: 2, totalXp: "1000" },
      { userId: "three", username: "three", displayName: null, level: 1, totalXp: "500" },
      { userId: "zero", username: "zero", displayName: null, level: 0, totalXp: "499" },
    ], 1, "two");

    expect(leaderboard.rows).toHaveLength(1);
    expect(leaderboard.rows[0]?.rank).toBe(1);
    expect(leaderboard.rows.some((row) => row.userId === "zero")).toBeFalse();
  });

  test("sums only current voice channels before assigning rank", () => {
    const leaderboard = buildVoiceLeaderboard([
      { userId: "one", username: "one", displayName: null, channelId: "current-a", totalSeconds: "30" },
      { userId: "one", username: "one", displayName: null, channelId: "current-b", totalSeconds: "45" },
      { userId: "one", username: "one", displayName: null, channelId: "deleted", totalSeconds: "999" },
      { userId: "two", username: "two", displayName: null, channelId: "current-a", totalSeconds: "60" },
    ], ["current-a", "current-b"], 1, undefined, "one");

    expect(leaderboard.rows).toHaveLength(1);
    expect(leaderboard.rows[0]).toMatchObject({
      userId: "one",
      totalSeconds: "75",
      rank: 1,
    });
  });
});