using Aitex.Core.Util;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MECF.Framework.Common.TwinCat
{
    public class ScalingManager : Singleton<ScalingManager>
    {
        /// <summary>
        /// 字典
        /// </summary>
        private Dictionary<string, Scaling> _scalingDic = new Dictionary<string, Scaling>();
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="name"></param>
        /// <param name="strScaling"></param>
        public void Initialize(string name,string strScaling)
        {
            if (!string.IsNullOrEmpty(strScaling))
            {
                string[] str = strScaling.Split(',');
                double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
                if (str.Length == 2)
                {
                    var result1 = Analyse(str[0]);
                    if (result1.Item1)
                    {
                        x1 = result1.Item3;
                        y1 = result1.Item2;
                    }
                    else
                    {
                        return;
                    }
                    var result2 = Analyse(str[1]);
                    if (result2.Item1)
                    {
                        x2 = result2.Item3;
                        y2 = result2.Item2;
                        Scaling scaling = new Scaling(x1, x2, y1, y2);
                        _scalingDic[name] = scaling;
                    }
                }
            }
        }
        /// <summary>
        /// 解析
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        private (bool,double,double) Analyse(string str)
        {
            string[] strOperator = str.Split('=');
            if (strOperator.Length == 2)
            {
                bool xResult = double.TryParse(strOperator[0],out var x);
                bool yResult = double.TryParse(strOperator[1],out var y);
                if (xResult && yResult)
                {
                    return (true, x, y);
                }
                else
                {
                    return (false, x, y);
                }
            }
            return (false,0,0);
        }
        /// <summary>
        /// 是否包含
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public bool IsContained(string name)
        {
            return _scalingDic.ContainsKey(name);
        }
        /// <summary>
        /// 通过Twincat数值计算
        /// </summary>
        /// <param name="name"></param>
        /// <param name="x"></param>
        /// <returns></returns>
        public (bool,double) CalculateValueByTwincatVariable(string name,double x)
        {
            if(_scalingDic.ContainsKey(name))
            {
                return (true, _scalingDic[name].CalculateYByX(x));
            }
            else
            {
                return (false, 0);
            }
        }
        /// <summary>
        /// 计算Twincat数值
        /// </summary>
        /// <param name="name"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        public (bool,int) CalculateTwincatValueByInput(string name,double y)
        {
            if (_scalingDic.ContainsKey(name))
            {
                return (true, _scalingDic[name].CaculateXByY(y));
            }
            else
            {
                return (false, 0);
            }
        }
    }
}