class Program
  {
    static void Main(string[] args)
    {
      //紧急项目
      Work emergencyProject = new Work();
      emergencyProject.Hour = 9;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 10;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 12;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 13;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 14;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 17;
      emergencyProject.Finish = false;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 19;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 22;
      emergencyProject.WriteProgram();

      Console.Read();
    }
    public class Work
    {
      private int hour;
      private bool finish = false;

      public int Hour
      {
        get { return hour; }
        set { hour = value; }
      }
      public bool Finish
      {
        get { return finish; }
        set { finish = value; }
      }
      /// <summary>
      /// 根据时间来判断当前的工作状态如何
      /// 
      /// 方法过长
      /// </summary>
      public void WriteProgram()
      {
        if (hour < 12)
        {
          Console.WriteLine("当前时间：{0}点 上午工作，精神百倍", hour);
        }
        else if (hour < 13)
        {
          Console.WriteLine("当前时间：{0}点 饿了，午饭；犯困，午休", hour);
        }
        else if (hour < 17)
        {
          Console.WriteLine("当前时间：{0}点 下午状态还不错，继续努力", hour);
        }
        else
        {
          if (finish)
          {
            Console.WriteLine("当前时间：{0}点 下班回家了", hour);
          }
          else
          {
            if (hour < 21)
            {
              Console.WriteLine("当前时间：{0}点 加班哦，疲惫至极", hour);
            }
            else
            {
              Console.WriteLine("当前时间：{0}点 不行了，睡着了。", hour);
            }
          }
        }
      }
    }
  }

class Program
  {
    static void Main(string[] args)
    {
      //紧急项目
      Work emergencyProject = new Work();
      emergencyProject.Hour = 9;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 10;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 12;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 13;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 14;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 17;
      emergencyProject.TaskFinished = false;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 19;
      emergencyProject.WriteProgram();
      emergencyProject.Hour = 22;
      emergencyProject.WriteProgram();

      Console.Read();
    }
    public class Work
    {
      private int hour;
      private bool finish = false;
      private State current;
      //初始化进入的时候是上午工作状态
      public Work()
      {
        current = new ForenoonState();
      }
      public int Hour
      {
        get { return hour; }
        set { hour = value; }
      }
      public bool TaskFinished
      {
        get { return finish; }
        set { finish = value; }
      }

      public void SetState(State s)
      {
        current = s;
      }
      public void WriteProgram()
      {
        current.WriteProgram(this);
      }
    }
    /// <summary>
    /// 抽象状态
    /// </summary>
    public abstract class State
    {
      public abstract void WriteProgram(Work w);
    }
    /// <summary>
    /// 上午工作状态
    /// 
    /// 逻辑是：根据时间推移，上午工作后，移至中午午饭时间
    /// </summary>
    public class ForenoonState : State
    {
      public override void WriteProgram(Work w)
      {
        if (w.Hour < 12)
        {
          Console.WriteLine("当前时间：{0} 上午工作，精神百倍", w.Hour);
        }
        else
        {
          w.SetState(new NoonState());
          w.WriteProgram();
        }
      }
    }
    /// <summary>
    /// 中午工作状态
    /// 
    /// 逻辑是：根据时间推移，午休时间后，移至下午工作时间
    /// </summary>
    public class NoonState : State
    {
      public override void WriteProgram(Work w)
      {
        if (w.Hour < 13)
        {
          Console.WriteLine("当前时间：{0} 饿了，午饭；犯困，午休", w.Hour);
        }
        else
        {
          w.SetState(new AfternoonState());
          w.WriteProgram();
        }
      }
    }
    /// <summary>
    /// 下午工作状态
    /// 
    /// 逻辑是：根据时间推移，下午工作后，移至晚间工作状态
    /// </summary>
    public class AfternoonState : State
    {
      public override void WriteProgram(Work w)
      {
        if (w.Hour < 17)
        {
          Console.WriteLine("当前时间：{0} 下午状态还不错，继续努力", w.Hour);
        }
        else
        {
          w.SetState(new EveningState());
          w.WriteProgram();
        }
      }
    }
    /// <summary>
    /// 晚间工作状态
    /// 
    /// 逻辑是：已完成工作的可以准点下班，移至下班休息状态
    ///     未完成工作的继续加班：这里又分为未超过人体承受能力的（21小时）就继续加班（此处已是最底层，没有再多加其他的操作了）
    ///                超过21小时的将移至睡眠状态
    /// </summary>
    public class EveningState : State
    {
      public override void WriteProgram(Work w)
      {
        if (w.TaskFinished)
        {
          w.SetState(new RestState());
          w.WriteProgram();
        }
        else
        {
          //最底层，不要再次调用，会无限往复的
          if (w.Hour < 21)
          {
            Console.WriteLine("当前时间：{0} 加班哦，疲惫至极", w.Hour);
          }
          else
          {
            w.SetState(new SleepingState());
            w.WriteProgram();
          }
        }
      }
    }
    /// <summary>
    /// 睡眠状态
    /// 
    /// 最底层，不要再次调用，会无限往复的
    /// </summary>
    public class SleepingState : State
    {
      public override void WriteProgram(Work w)
      {
        Console.WriteLine("当前时间：{0}点 不行了，睡着了", w.Hour);
      }
    }
    /// <summary>
    /// 下班休息状态
    /// 
    /// 最底层，不要再次调用，会无限往复的
    /// </summary>
    public class RestState : State
    {
      public override void WriteProgram(Work w)
      {
        if (w.TaskFinished)
        {
          Console.WriteLine("当前时间：{0}点 下班回家", w.Hour);
        }
      }
    }
  }