using System.Collections.Concurrent;

namespace ConsoleApp2.Services;

/// <summary>
/// 处理上下文类，标识处理进度
/// </summary>
public class ProcessContext
{
    private int _inputCount;
    private int _transformCount;
    private int _outputCount;
    private int _finishedTaskCount;
    private ConcurrentBag<Exception> _exceptionList = new ConcurrentBag<Exception>();
    public bool IsInputCompleted { get; private set; }
    public bool IsTransformCompleted { get; private set; }
    public bool IsOutputCompleted { get; private set; }

    public int InputCount
    {
        get => _inputCount;
        private set => _inputCount = value;
    }

    public int TransformCount
    {
        get => _transformCount;
        private set => _transformCount = value;
    }

    public int OutputCount
    {
        get => _outputCount;
        private set => _outputCount = value;
    }
    public void AddException(Exception ex) 
    {
        _exceptionList.Add(ex);
    }

    public void AddFinishTask() => Interlocked.Increment(ref _finishedTaskCount);
    public int FinishTaskCount
    {
        get => _finishedTaskCount;
    }
    public ConcurrentBag<Exception> GetExceptions()
    {
        return _exceptionList;
    }
    public void CompleteInput() => IsInputCompleted = true;

    public void CompleteTransform() => IsTransformCompleted = true;
    public void CompleteOutput() => IsOutputCompleted = true;

    public void AddInput() => Interlocked.Increment(ref _inputCount);

    public void AddInput(int count) => Interlocked.Add(ref _inputCount, count);

    public void AddTransform() => Interlocked.Increment(ref _transformCount);
    public void AddTransform(int count) => Interlocked.Add(ref _transformCount, count);

    public void AddOutput() => Interlocked.Increment(ref _outputCount);
    public void AddOutput(int count) => Interlocked.Add(ref _outputCount, count);
}