using System.Collections.Generic;
using System.Text;

namespace Aitex.Core.RT.IOCore;

public class InterlockDaemonAction
{
	#region Variables

	private readonly List<IInterlockLimit> _limits;
	private readonly DOAccessor _do;
	private readonly bool _targetValue;
	private readonly string _tip;
	private Dictionary<string, string> _cultureTip;

	#endregion

	#region Constructors

	public InterlockDaemonAction(DOAccessor doItem, bool value, string tip, Dictionary<string, string> cultureTip,
		List<IInterlockLimit> limits)
	{
		_do = doItem;
		_targetValue = value;
		_tip = tip;
		_cultureTip = cultureTip;
		_limits = limits;
	}

	#endregion

	#region Properties

	/// <summary>
	/// 当前动作的名称。
	/// </summary>
	public string ActionName => (_do != null) ? _do.Name : "";

	#endregion

	#region Methods

	/// <summary>
	/// 比较当前动作是否和指定DO的指定输出状态相同。
	/// </summary>
	/// <param name="doName"></param>
	/// <param name="value"></param>
	/// <returns></returns>
	public bool IsSame(string doName, bool value)
	{
		return doName == _do.Name && _targetValue == value;
	}

	/// <summary>
	/// 扫描当前动作的条件，并设置相关DO的输出状态。
	/// </summary>
	public bool DaemonMonitor(out string reason)
	{
		reason = "";
		var info = new StringBuilder();

		foreach (var limit in _limits)
		{
			if (!limit.CanDo(out _))
				return false;

			info.AppendLine($"\t{limit}");
		}
		
		// 到这里表示所有的Condition均满足条件

		// 如果DO输出已经满足要求，则直接退出
		if (_do.Value == _targetValue)
			return false;

		// 设置DO输出
		if (_do.SetValue(_targetValue, out reason))
			reason = info.ToString().TrimEnd('\r', '\n');
		
		info.Insert(0,
			$"Interlock Force set DO-{_do.IoTableIndex}({_do.Name}) = [{((_targetValue) ? "ON" : "OFF")}]\r\n");
		
		return true;
	}

	public override string ToString()
	{
		return $"{ActionName}, Action={_targetValue}, Condition Count={_limits.Count}";
	}

	#endregion
}