import { describe, expect, it } from 'vitest';
import { groupGames, isMyTurn } from './lobbysort';
import type { GameView, Seat } from './model';

const ME = 'me';
const seat = (s: number, accountId: string): Seat => ({
  seat: s,
  accountId,
  displayName: accountId,
  score: 0,
  hintsUsed: 0,
  isWinner: false,
});

function game(id: string, status: GameView['status'], toMove: number, lastActivityUnix: number): GameView {
  return {
    id,
    variant: 'english',
    dictVersion: 'v1',
    status,
    players: 2,
    toMove,
    turnTimeoutSecs: 0,
    moveCount: 0,
    endReason: '',
    lastActivityUnix,
    seats: [seat(0, ME), seat(1, 'opp')],
  };
}

describe('groupGames', () => {
  it('partitions into your-turn, their-turn and finished', () => {
    const g = groupGames(
      [
        game('a', 'active', 0, 100), // toMove 0 == my seat -> my turn
        game('b', 'active', 1, 100), // their turn
        game('c', 'finished', 0, 100),
      ],
      ME,
    );
    expect(g.yourTurn.map((x) => x.id)).toEqual(['a']);
    expect(g.theirTurn.map((x) => x.id)).toEqual(['b']);
    expect(g.finished.map((x) => x.id)).toEqual(['c']);
  });

  it('orders your-turn oldest-first, the other two newest-first', () => {
    const g = groupGames(
      [
        game('y_new', 'active', 0, 200),
        game('y_old', 'active', 0, 100),
        game('t_new', 'active', 1, 200),
        game('t_old', 'active', 1, 100),
        game('f_new', 'finished', 0, 200),
        game('f_old', 'finished', 0, 100),
      ],
      ME,
    );
    expect(g.yourTurn.map((x) => x.id)).toEqual(['y_old', 'y_new']);
    expect(g.theirTurn.map((x) => x.id)).toEqual(['t_new', 't_old']);
    expect(g.finished.map((x) => x.id)).toEqual(['f_new', 'f_old']);
  });

  it('isMyTurn is false for a finished game even at my seat', () => {
    expect(isMyTurn(game('x', 'finished', 0, 0), ME)).toBe(false);
    expect(isMyTurn(game('x', 'active', 0, 0), ME)).toBe(true);
    expect(isMyTurn(game('x', 'active', 1, 0), ME)).toBe(false);
  });
});