using System;
namespace RockPaperScissors
{
    class Hand
    {
        public const int GU = 1, CHOKI = 2, PA = 3;
        public static readonly string[] hands = { "", "グー", "チョキ", "パー" };
    }
    // ゲーム情報管理用構造体
    public class GameInformation
    {
        // メンバ変数
        public int UserCmd; // ユーザ手
        public int CpuCmd; // CPU手
        public int UserWinCnt; // ユーザ勝利数
        public int CpuWinCnt; // CPU勝利数
        public int GameMaxCnt; // ゲーム回数
        public string UserName; // ユーザ名
        public string ResultMessage; // ゲーム結果メッセージ
                                     // コンストラクタ
        public GameInformation()
        {
            UserCmd = 0;
            CpuCmd = 0;
            UserWinCnt = 0;
            CpuWinCnt = 0;
            GameMaxCnt = 0;
            UserName = string.Empty;
            ResultMessage = string.Empty;
        }
    }
    /// <summary>
    /// MODELBASE：メインロジック抽象化クラス
    /// </summary>
    public abstract class ModelBase
    {
        // メンバ変数
        private Random Rand;
        protected View ViewObj;
        /// <summary>
        /// コンストラクタ
        /// </summary>
        protected ModelBase()
        {
            this.Rand = new System.Random();
        }
        /// <summary>
        /// ゲーム実行
        /// </summary>
        /// <param name="info">ゲーム情報</param>
        public abstract void PlayGame(ref GameInformation info);
        /// <summary>
        /// CPU手取得
        /// </summary>
        /// <return>CPU手</return>
        protected int GetCpuCmd()
        {
            // CPU手の取得
            int cmd = this.GenerateRandomValue(1, 3);
            return cmd;
        }
        /// <summary>
        /// 最小値(min)～最大値(max)で指定された範囲の乱数を生成する
        /// </summary>
        /// <param name="min">最小値</param>
        /// <param name="max">最大値</param>
        /// <return>乱数</return>
        private int GenerateRandomValue(int min, int max)
        {
            // 乱数の生成
            int value = this.Rand.Next(min, max + 1);
            return value;
        }
    }

    public class Model : ModelBase
    {
        public Model()
        {
            this.ViewObj = new View();
        }
        /// <summary>
        /// ゲーム実行
        /// </summary>
        /// <param name="info">ゲーム情報管理用構造体</param>
        public override void PlayGame(ref GameInformation info)
        {
            Controller controll = new Controller();

            int total = 0;
            info.UserName = controll.UserName();
            total = controll.BattleNumCount();
            while (info.UserWinCnt + info.CpuWinCnt < total)
            {
                info.CpuCmd = GetCpuCmd();
                info.UserCmd = controll.UserJyankenHand();
                PlayJankenGame(ref info);
                ViewObj.ShowJyankenResult(info.UserName,
                    info.UserCmd, info.CpuCmd, info.UserWinCnt, info.CpuWinCnt);
            }
            ViewObj.ShowFinalResult(info.UserWinCnt, info.CpuWinCnt, info.UserName);
            controll.Wait();
        }

        private void PlayJankenGame(ref GameInformation info)
        {
            if (info.CpuCmd == info.UserCmd)
            {
                ViewObj.ResultDraw();
            }
            else if (info.UserCmd < Hand.GU || info.UserCmd > Hand.PA)
            {
                info.CpuWinCnt++;
                ViewObj.ResultFoul(info.UserName, info.UserWinCnt, info.CpuWinCnt);
            }
            else if ((info.CpuCmd == Hand.GU && info.UserCmd == Hand.PA) ||
                (info.CpuCmd == Hand.CHOKI && info.UserCmd == Hand.GU) ||
                (info.CpuCmd == Hand.PA && info.UserCmd == Hand.CHOKI))
            {
                info.UserWinCnt++;
                ViewObj.ResultWin(info.UserName, info.UserWinCnt, info.CpuWinCnt);
            }
            else
            {
                info.CpuWinCnt++;
                ViewObj.ResultLose(info.UserName, info.UserWinCnt, info.CpuWinCnt);
            }
        }

    }

    public class View
    {
        public void UserNameDisp()
        {
            Console.Write("ユーザ名を入力してください：");
        }

        public void BattleNumInput()
        {
            Console.Write("勝負回数を入力してください：");
        }
        public void BattleNumInputWrong()
        {
            Console.WriteLine("入力値が正しくありません。");
        }

        public void UserJankenInputRetry()
        {
            Console.Write("再度入力してください。");
        }

        public void UserJankenInputHand()
        {
            Console.Write("手を入力してください。（1:グー、2:チョキ、3:パー）：");
        }

        public void Jyanken(string player, int user, int cpu)
        {
            if (user < 0 || user > 3) user = 0;
            string[] hands = { "", "グー", "チョキ", "パー" };
            Console.WriteLine("{0}:{1} CPU:{2}", player, hands[user], hands[cpu]);
        }

        public void ResultDraw()
        {
            Console.WriteLine("DRAW");
        }
        public void ResultFoul(string player, int win, int lose)
        {
            Console.WriteLine("LOSE（反則負け）");
        }
        public void ResultWin(string player, int win, int lose)
        {
            Console.WriteLine("WIN");
        }
        public void ResultLose(string player, int win, int lose)
        {
            Console.WriteLine("LOSE");
        }

        public void ShowJyankenResult(string player, int user, int cpu, int win, int lose)
        {
            Console.WriteLine("{0}:{1}勝、CPU:{2}勝", player, win, lose);
            Console.WriteLine();
        }

        public void ShowFinalResult(int win, int lose, string player)
        {
            if (win > lose)
            {
                Console.WriteLine("{0}さんの総合勝利です！", player);
            }
            else if (win == lose)
            {
                Console.WriteLine("同点です！");
            }
            else
            {
                Console.WriteLine("CPUさんの総合勝利です！");
            }
        }
    }

    class Controller
    {
        private View ViewObj = new View();

        public string UserName()
        {
            ViewObj.UserNameDisp();
            string player = Console.ReadLine();
            return player;
        }

        public int BattleNumCount()
        {
            int n;
            for (; ; )
            {
                try
                {
                    ViewObj.BattleNumInput();
                    n = int.Parse(Console.ReadLine());
                }
                catch
                {
                    ViewObj.BattleNumInputWrong();
                    continue;
                }
                break;
            }
            return n;
        }

        public int UserJyankenHand()
        {
            int user;
            string hand = null;
            do
            {
                if (hand != null)
                {
                    ViewObj.UserJankenInputRetry();
                }
                ViewObj.UserJankenInputHand();
                hand = Console.ReadLine();
            } while (!int.TryParse(hand, out user));

            return user;
        }

        public void Wait()
        {
            Console.ReadLine();
        }
    }
}

namespace jyanken
{
    class Program
    {
        public static void Main(string[] arg)
        {
            RockPaperScissors.Model model = new RockPaperScissors.Model();
            RockPaperScissors.GameInformation info
                = new RockPaperScissors.GameInformation();
            model.PlayGame(ref info);
        }
    }
}