using DevExpress.XtraEditors;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Windows.Forms;

namespace IStation.WinFrmUI.Basic
{
    public class ExportInpHelper
    {


        public static void INPFile(string filePath, string curveCode, Model.CurveExpress qhCurveExpress, Model.CurveExpress qeCurveExpress)
        {
            if (qhCurveExpress == null)
                return;

            //均匀插值点,计算点坐标 
            var fitPointNumQH = 15;
            double space = (qhCurveExpress.Max - qhCurveExpress.Min) / (fitPointNumQH - 1);
            double Q = qhCurveExpress.Min;

            var qhStr = new StringBuilder();
            var qeStr = new StringBuilder();

            for (var i = 0; i < fitPointNumQH; i++)
            {
                var H = Model.FitCurveHelper.GetFitPointY(qhCurveExpress, Q);
                qhStr.AppendLine(Q + "  " + H);

                if (qeCurveExpress != null)
                {
                    var E = Model.FitCurveHelper.GetFitPointY(qeCurveExpress, Q);
                    qeStr.AppendLine(Q + "  " + E);
                }

                Q = Q + space;
                if (Q > qhCurveExpress.Max * 0.9999)
                    Q = qhCurveExpress.Max * 0.9999;
            }

            var qhFilePath = filePath.Insert(filePath.LastIndexOf("."), "水泵");
            if (File.Exists(qhFilePath))
                File.Delete(qhFilePath);
            WriteToFile(curveCode, qhFilePath, qhStr, "水泵");

            if (qeStr.Length > 0)
            {
                var qeFilePath = filePath.Insert(filePath.LastIndexOf("."), "效率");
                if (File.Exists(qeFilePath))
                    File.Delete(qeFilePath);
                WriteToFile(curveCode, qeFilePath, qeStr, "效率");
            }

            XtraMessageBox.Show("导出成功!");
        }

        public static void INPDefaultFile(string filePath, string curveCode, Model.CurveExpress curveQH, Model.CurveExpress curveQE)
        {
            if (curveQH == null)
                return;

            //均匀插值点,计算点坐标 


            var qhStr = new StringBuilder();
            List<Model.CurvePoint> pointQH = curveQH.GetFitPoints(12);
            if (curveQH.DefinePoints != null)
                pointQH = curveQH.DefinePoints;

            for (var i = 0; i < pointQH.Count; i++)
            {
                var point = pointQH[i];
                var Q = point.X;
                var H = point.Y;
                qhStr.AppendLine(Q + "  " + H);
            }

            var qeStr = new StringBuilder();
            List<Model.CurvePoint> pointQE = curveQE.GetFitPoints(12);
            if (curveQE.DefinePoints != null)
                pointQE = curveQE.DefinePoints;

            for (var i = 0; i < pointQE.Count; i++)
            {
                var point = pointQE[i];
                var Q = point.X;
                var E = point.Y;
                qeStr.AppendLine(Q + "  " + E);
            }


            WriteToFile(curveCode, filePath, qhStr, "水泵");
            if (qeStr.Length > 0)
            {
                var qeFilePath = filePath.Insert(filePath.LastIndexOf("."), "效率");
                if (File.Exists(qeFilePath))
                    File.Delete(qeFilePath);
                WriteToFile(curveCode, qeFilePath, qeStr, "效率");
            }
        }

        //写入文件
        private static void WriteToFile(string curveCode, string filePath, StringBuilder curveStr, string fileType)
        {
            StreamWriter sw = new StreamWriter(new FileStream(filePath, FileMode.CreateNew), Encoding.GetEncoding("GB2312"));
            StringBuilder strQhFile = new StringBuilder();
            strQhFile.AppendLine("EPANETH曲线数据");
            strQhFile.AppendLine(fileType);
            var describe = $"{curveCode + "-" + DateTime.Now}";
            strQhFile.AppendLine(describe);
            strQhFile.AppendLine(curveStr.ToString());
            sw.Write(strQhFile);
            sw.Close();
        }
    }
}