using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace DPumpHydr.OpenFwUI.Volute
{
    /// <summary>
    /// 单个端面参数
    /// </summary>
    public class SectionShapePara
    {
        /// <summary>
        /// 
        /// </summary>
        public int Index { get; set; }//断面序号  第8断面就是8 第一断面就是1
        public double Gama_Left { get; set; }//角度1 
        public double Gama_Right { get; set; }//角度2
        public double H { get; set; }//高度
        public double R_out { get; set; }//外围的半径 UG中R4
        public double R_Left { get; set; }//角度1边对应的圆角半径 UG中R1
        public double R_Right { get; set; }//角度2边对应的圆角半径 UG中R2
        public double SectionArea { get; set; }//面积:由occ计算
        public double BaseWidth { get; set; }//底部宽度 就是B3
        public double BaseCircleRadius { get; set; }//底部圆半径 就是D3/2
        public eSectionShapeType ShapeType { get; set; }

 

        /// <summary>
        /// 根据面积计算高度
        /// </summary>
        public double CalcHeightByArea(eSectionShapeType SectionType)
        {
            double a = (Math.Tan(Gama_Left * Math.PI / 180) + Math.Tan(Gama_Right * Math.PI / 180)) / 2;
            double b = BaseWidth;
            double c = (90 + Gama_Right) / 360 * Math.PI * R_Left * R_Left + (90 + Gama_Left) / 360 * Math.PI * R_Right * R_Right
                - R_Left * R_Left * Math.Tan((45 + Gama_Right / 2) * Math.PI / 180) - R_Right * R_Right * Math.Tan((45 + Gama_Left / 2) * Math.PI / 180) - SectionArea;
            double delta = b * b - 4 * a * c;
            if (delta < 0) return -1;
            if (SectionType == eSectionShapeType.矩形)//矩形
            {
                return -c / b;
            }
            else
            {
                if (delta < 0) return -1;
                return (-b + Math.Sqrt(delta)) / (2 * a);
            }
        }



        /// <summary>
        /// 验证是否合理
        /// </summary>
        /// <param name="sectionShapePara"></param>
        /// <param name="index"></param>、
        //public bool Verify(out string error)
        //{
        //    error = "";
        //    bool isverify = true;
        //    if ((this.H - this.R_Left) * Math.Tan(this.Gama_Left)+(this.H - this.R_Right) * Math.Tan(this.R_Right)+this.BaseWidth >= this.R_Right + this.R_Left)
        //    {
        //        error = "输入的直径非法！";
        //        isverify = false;
        //    }
        //    if(this.Gama_Left > 45 || this.Gama_Right > 45)
        //    {
        //        error = "输入的角度非法！";
        //        isverify = false;
        //    }
        //    return isverify;
        //}
 
    }
}