namespace CloudGaming.Core.Processors;

/// <summary>
/// 包含处理线程的处理器基类
/// </summary>
public abstract class ThreadProcessor : BaseProcessor
{
    protected Thread? _thread;
    protected bool _isRunning;
    protected string? _threadName;

    /// <summary>
    /// 构造函数
    /// </summary>
    public ThreadProcessor() { }

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="threadName">线程名称</param>
    public ThreadProcessor(string threadName)
    {
        _threadName = threadName;
    }

    /// <summary>
    /// 执行处理
    /// </summary>
    /// <exception cref="InvalidOperationException">如果处理器已经在运行，抛出异常</exception>
    public override void Run()
    {
        if (_isRunning)
        {
            throw new InvalidOperationException("重复执行线程");
        }

        _isRunning = true;

        _thread = new Thread(Proc_Do)
        {
            Name = _threadName
        };
        _thread.Start();
    }

    /// <summary>
    /// 线程处理函数，需要在子类中实现
    /// </summary>
    protected abstract void Proc_Do();

    /// <summary>
    /// 停止处理线程
    /// </summary>
    public override void Stop()
    {
        if (!_isRunning)
        {
            return;
        }

        _isRunning = false;

        if (_thread != null && _thread.IsAlive)
        {
            _thread.Join(WaitTimeMax_StopProc); // 等待线程结束
            _thread = null;
        }
    }

    /// <summary>
    /// 释放资源
    /// </summary>
    public override void Dispose()
    {
        Stop();
        base.Dispose();
    }


}