GildedRose-Refactoring-Kata/Tennis/csharp/TennisGame1.cs

using System;
using NUnit.Framework;

namespace Tennis
{
  class TennisGame1 : TennisGame
  {
    private int m_score1 = 0;
    private int m_score2 = 0;
    private string player1Name;
    private string player2Name;

    public TennisGame1 (string player1Name, string player2Name)
    {
      this.player1Name = player1Name;
      this.player2Name = player2Name;
    }

    public void WonPoint (string playerName)
    {
      if (playerName == "player1")
        m_score1 += 1;
      else
        m_score2 += 1;
    }

    public string GetScore ()
    {
      String score = "";
      int tempScore=0;
      if (m_score1==m_score2)
      {
        switch (m_score1)
        {
        case 0:
          score = "Love-All";
          break;
        case 1:
          score = "Fifteen-All";
          break;
        case 2:
          score = "Thirty-All";
          break;
        case 3:
          score = "Forty-All";
          break;
        default:
          score = "Deuce";
          break;
          
        }
      }
      else if (m_score1>=4 || m_score2>=4)
      {
        int minusResult = m_score1-m_score2;
        if (minusResult==1) score ="Advantage player1";
        else if (minusResult ==-1) score ="Advantage player2";
        else if (minusResult>=2) score = "Win for player1";
        else score ="Win for player2";
      }
      else
      {
        for (int i=1; i<3; i++)
        {
          if (i==1) tempScore = m_score1;
          else { score+="-"; tempScore = m_score2;}
          switch(tempScore)
          {
          case 0:
            score+="Love";
            break;
          case 1:
            score+="Fifteen";
            break;
          case 2:
            score+="Thirty";
            break;
          case 3:
            score+="Forty";
            break;
          }
        }
      }
      return score;
    }
  }

}