Snakes-And-Ladders/src/reports/ranking_report.ts

import { Tournament } from "../tournament/tournament";

export class RankingReport {
  constructor(public tournament: Tournament) {}

  printPlayerSummary() {
    const sortedPlayers = this.tournament.players.sort(
      (a, b) => a.playerId - b.playerId
    );
    for (const player of sortedPlayers) {
      const wins = player.games.reduce(
        (wins, game) => wins + Number(game.winner === player),
        0
      );
      const losses = player.games.length - wins;
      const ratio = (wins / player.games.length).toFixed(3);
      const ladders = player.games.reduce(
        (ladders, game) => ladders + game.ladderCountForPlayer(player),
        0
      );
      const snakes = player.games.reduce(
        (snakes, game) => snakes + game.snakeCountForPlayer(player),
        0
      );

      console.log(
        `Player: ${player.playerId}: ` +
          [
            `Win:${wins}`,
            `Lose:${losses}`,
            `Percent:${ratio}`,
            `Rolls:${player.rolls}`,
            `Ladders:${ladders}`,
            `Snakes:${snakes}`,
          ].join(", ") +
          " ..."
      );
    }
  }
}