using MetroGauges.General;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace MetroGauges.Model
{
    public class LiEquiModel : DataModel
    {

        /// <summary>
        /// 所在位置
        /// </summary>
        public override PositionII Position2
        {
            get
            {
                if (StrPosition == "受电弓")
                {
                    return PositionII.Pantograph;
                }
                else if (StrPosition == "车体顶部")
                {
                    return PositionII.TopBody;
                }
                else if (StrPosition == "车体底架边梁以上")
                {
                    return PositionII.UpChassis;
                }
                else if (StrPosition == "车体底架边梁及以下")
                {
                    return PositionII.LowChassis;
                }
                else if (StrPosition == "转向架")
                {
                    return PositionII.Bogie;
                }
                else if (StrPosition == "车下轨内吊挂")
                {
                    return PositionII.InnerBodyHanger;
                }
                else if (StrPosition == "车下轨外吊挂")
                {
                    return PositionII.InnerBodyHanger;
                }
                else if (StrPosition == "轮对")
                {
                    return PositionII.Wheelset;
                }
                //else if (StrPosition == "车下轨内")
                //{
                //    return PositionII.InnerOthers;
                //}
                //else if (StrPosition == "车下轨外")
                //{
                //    return PositionII.InnerOthers;
                //}
                else
                {
                    return PositionII.INVAIL;
                }
            }
        }
        private static double δX_a;
        private static double δY_a;
        private static double δY_b;
        private static double δX_c;
        private static double δX_d;
        private static double δY_d;
        private static double δX_e;
        private static double δY_e;
        private static double δX_f;
        private static double δY_f;
        private static double δY_g;

        /// <summary>
        /// 受电弓
        /// </summary>
        public double ΔX_a { get => δX_a; set { δX_a = value; OnPropertyChanged(); } }
        /// <summary>
        /// 受电弓
        /// </summary>
        public double ΔY_a { get => δY_a; set { δY_a = value; OnPropertyChanged(); } }
        /// <summary>
        /// 车顶
        /// </summary>
        public double ΔY_b { get => δY_b; set { δY_b = value; OnPropertyChanged(); } }
        /// <summary>
        /// 底架边梁以上
        /// </summary>
        public double ΔX_c { get => δX_c; set { δX_c = value; OnPropertyChanged(); } }
        /// <summary>
        /// 底架边梁及以下
        /// </summary>
        public double ΔX_d { get => δX_d; set { δX_d = value; OnPropertyChanged(); } }
        /// <summary>
        /// 底架边梁及以下
        /// </summary>
        public double ΔY_d { get => δY_d; set { δY_d = value; OnPropertyChanged(); } }
        /// <summary>
        /// 转向架
        /// </summary>
        public double ΔX_e { get => δX_e; set { δX_e = value; OnPropertyChanged(); } }
        /// <summary>
        /// 转向架
        /// </summary>
        public double ΔY_e { get => δY_e; set { δY_e = value; OnPropertyChanged(); } }
        /// <summary>
        /// 车下吊挂
        /// </summary>
        public double ΔX_f { get => δX_f; set { δX_f = value; OnPropertyChanged(); } }
        /// <summary>
        /// 车下轨外吊挂
        /// </summary>
        public double ΔY_f { get => δY_f; set { δY_f = value; OnPropertyChanged(); } }
        /// <summary>
        /// 车下轨内吊挂
        /// </summary>
        public double ΔY_g { get => δY_g; set { δY_g = value; OnPropertyChanged(); } }
        ///// <summary>
        ///// 车下轨内
        ///// </summary>
        //private static double δY_h;
        //public double ΔY_h { get => δY_h; set { δY_h = value; OnPropertyChanged(); } }
        ///// <summary>
        ///// 车下轨外
        ///// </summary>
        //private static double δY_i;
        //public double ΔY_i { get => δY_i; set { δY_i = value; OnPropertyChanged(); } }

        public LiEquiModel()
        {
        }
        public LiEquiModel(string strPosition, string name, double x, double y)
        {
            StrPosition = strPosition;
            Name = name;
            X = x;
            Y = y;
        }


        /// <summary>
        /// 直线设备限界-偏移x偏移值
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="C"></param>
        /// <returns></returns>
        public double X_(double x1, double y1, double x2, double y2, double C)
        {
            if (y1 == y2)
                return 0;
            else
                return C / Math.Sqrt(1 + (x2 - x1) * ((x2 - x1)) / ((y2 - y1) * (y2 - y1)));
        }
        /// <summary>
        /// 直线设备限界-偏移y偏移值
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="C"></param>
        /// <returns></returns>
        public double Y_(double x1, double y1, double x2, double y2, double C)
        {
            if (y1 == y2)
            {
                return C;
            }
            else
            {
                return Math.Abs((x2 - x1) / (y2 - y1)) * C / Math.Sqrt(1 + (x2 - x1) * ((x2 - x1)) / ((y2 - y1) * (y2 - y1)));
            }
        }
        /// <summary>
        /// 交点横坐标
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="x3"></param>
        /// <param name="y3"></param>
        /// <param name="x4"></param>
        /// <param name="y4"></param>
        /// <returns></returns>
        public double x0(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
        {
            double x_0, y_0, x_1, y_1;
            x_0 = (y2 - y1) / (x2 - x1); //a1
            y_0 = -(x1 * y2 - x2 * y1) / (x2 - x1); //b1

            x_1 = (y4 - y3) / (x4 - x3); //a2
            y_1 = -(x3 * y4 - x4 * y3) / (x4 - x3); //b2
            return (y_1 - y_0) / (x_0 - x_1);
        }
        /// <summary>
        /// 交点纵坐标
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="x3"></param>
        /// <param name="y3"></param>
        /// <param name="x4"></param>
        /// <param name="y4"></param>
        /// <returns></returns>
        public double y0(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
        {
            double x_0, y_0, x_1, y_1;
            x_0 = (y2 - y1) / (x2 - x1); //a1
            y_0 = -(x1 * y2 - x2 * y1) / (x2 - x1); //b1

            x_1 = (y4 - y3) / (x4 - x3); //a2
            y_1 = -(x3 * y4 - x4 * y3) / (x4 - x3); //b2

            return (x_0 * y_1 - x_1 * y_0) / (x_0 - x_1);
        }
        /// <summary>
        /// 偏移x偏移值
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="C"></param>
        /// <returns></returns>
        public double ΔX(double x1, double y1, double x2, double y2, double C)
        {
            if (y1 == y2)
                return 0;
            else
            {
                double θ = Math.Atan(Math.Abs((y2 - y1) / (x2 - x1)));
                return C * Math.Sin(θ);
            }
        }
        /// <summary>
        /// 偏移y偏移值
        /// </summary>
        /// <param name="x1"></param>
        /// <param name="y1"></param>
        /// <param name="x2"></param>
        /// <param name="y2"></param>
        /// <param name="C"></param>
        /// <returns></returns>
        public double ΔY(double x1, double y1, double x2, double y2, double C)
        {
            if (y1 == y2)
            {
                return C;
            }
            else
            {
                double θ = Math.Atan(Math.Abs((y2 - y1) / (x2 - x1)));
                return Math.Abs((x2 - x1) / (y2 - y1)) * C * Math.Sin(θ);
            }
        }
        public static LiEquiModel Copy(LiEquiModel lieq)
        {
            return new LiEquiModel(lieq.StrPosition, lieq.Name, lieq.X, lieq.Y);
        }

    }
}