WorkState.cs

namespace StatePattern;

internal abstract class WorkState
{
    public abstract void WriteProgram(Work work);
}

internal class ForenoonState : WorkState
{
    public override void WriteProgram(Work work)
    {
        if (work.Hour < 12)
        {
            Console.WriteLine($"当前时间：{work.Hour}点 上午工作，精神百倍");
        }
        else
        {
            work.SetState(new NoonState());
            work.WriteProgram();
        }
    }
}

internal class NoonState : WorkState
{
    public override void WriteProgram(Work work)
    {
        if (work.Hour < 13)
        {
            Console.WriteLine($"当前时间：{work.Hour}点 饿了，午饭。犯困，午休");
        }
        else
        {
            work.SetState(new AfternoonState());
            work.WriteProgram();
        }
    }
}

internal class AfternoonState : WorkState
{
    public override void WriteProgram(Work work)
    {
        if (work.Hour < 18)
        {
            Console.WriteLine($"当前时间：{work.Hour}点 下午状态还不错，继续努力");
        }
        else
        {
            work.SetState(new EveningState());
            work.WriteProgram();
        }
    }
}

internal class EveningState : WorkState
{
    public override void WriteProgram(Work work)
    {
        if (work.TaskFinished)
        {
            work.SetState(new RestState());
            work.WriteProgram();
        }
        else
        {
            if (work.Hour < 21)
            {
                Console.WriteLine($"当前时间：{work.Hour}点 还在加班啊，疲累之极");
            }
            else
            {
                work.SetState(new SleepingState());
                work.WriteProgram();
            }
        }
    }
}

internal class RestState : WorkState
{
    public override void WriteProgram(Work work)
    {
        Console.WriteLine($"当前时间：{work.Hour}点 下班回家了");
    }
}

internal class SleepingState : WorkState
{
    public override void WriteProgram(Work work)
    {
        Console.WriteLine($"当前时间：{work.Hour}点了，不行了，睡着了。");
    }
}