using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace OTSExtremum
{
    public partial class GridForm : Form
    {
        double[] vs;
        List<double[]> allData;
        List<double[]> LmaxData;
        double[] ret= new double[3];
        string title;
        public GridForm(double[] p,string text)
        {
            vs =p ;
            title = text;
            InitializeComponent();
        }

        private void GridForm_Load(object sender, EventArgs e)
        {
            this.Text = title + "统计参数";
            Calculation();
        }
        private void Calculation()
        {
            allData = new List<double[]>();
           
            int N = vs.Length;
            if (N > 0)
            {
                Array.Sort(vs);
                double mean = Business.Tools.Mean(vs);
                double sdev = Business.Tools.StDev(vs);
                double delta = sdev * Math.Sqrt(6) / 3.1416;//δ
                double lambda = mean - 0.5772 * delta;//λ
                double sumLL = 0;
                ret = Business.Tools.OPTMax(vs);
                double[] C = new double[N];
                double[] D = new double[N];
                double[] E = new double[N];
                double[] F = new double[N];
                double[] G = new double[N];
                double[] H = new double[N];
                double[] I = new double[N];
               
                for (int i = 0; i < N; i++)
                {
                    double temp = i+1;
                    double t = 1;
                    C[i] = temp / (N + 1);
                    D[i] = -1 * Math.Log(-1 * Math.Log(C[i]));
                    //F[i] = (t / delta) * (Math.Exp((lambda - vs[i]) / delta)) * Math.Exp(-1 * Math.Exp((lambda - vs[i]) / delta));
                   // E[i] = Math.Log(F[i]);
                    F[i] = Math.Log(t / delta) - (vs[i] - lambda) / delta - Math.Exp((lambda - vs[i]) / delta);
                    E[i] = Math.Log(t / ret[0]) - (vs[i] - ret[1]) / ret[0] - Math.Exp((ret[1] - vs[i]) / ret[0]);
                    G[i] = ret[0] * D[i] + ret[1];
                    double se = ret[0] * (Math.Sqrt((1.109 + 0.514 * D[i] + 0.608 * D[i] * D[i]) / N));
                    H[i] = G[i] - 2 * se;
                    I[i] = G[i] + 2 * se;
                    sumLL += E[i];
                   // qq.Add(new double[]{ D[i], vs[i]});
                }
               
                allData.Add(D);
                allData.Add(vs);
                allData.Add(G);
                allData.Add(H);
                allData.Add(I);
                //string data = JsonConvert.SerializeObject(qq);
                //先设置一下头的高度，否则会太矮不好看
                dtgrid.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.EnableResizing;
                dtgrid.ColumnHeadersHeight = 40;
                dtgrid.ColumnHeadersDefaultCellStyle.Font= new Font("微软雅黑", 12, FontStyle.Regular);
                dtgrid.ColumnHeadersDefaultCellStyle.BackColor= Color.WhiteSmoke;
                #region 第一行
                int add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "Mean";
                dtgrid.Rows[add_rowindex].Cells[1].Value = Math.Round(mean, 3).ToString();
                dtgrid.Rows[add_rowindex].Cells[2].Value = "";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "δmom";
                dtgrid.Rows[add_rowindex].Cells[4].Value = Math.Round(delta, 3).ToString();
                dtgrid.Rows[add_rowindex].Cells[5].Value = "";
                dtgrid.Rows[add_rowindex].Cells[6].Value = "δml";
                dtgrid.Rows[add_rowindex].Cells[7].Value = Math.Round(ret[0], 3).ToString() ;
                //dtgrid.Rows[add_rowindex].DefaultCellStyle.Font = new Font("微软雅黑", 12, FontStyle.Regular);
                #endregion
                #region 第二行
                add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "Sdev";
                dtgrid.Rows[add_rowindex].Cells[1].Value = Math.Round(sdev, 3).ToString();
                dtgrid.Rows[add_rowindex].Cells[2].Value = "";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "λmom";
                dtgrid.Rows[add_rowindex].Cells[4].Value = Math.Round(lambda, 3).ToString();
                dtgrid.Rows[add_rowindex].Cells[5].Value = "";
                dtgrid.Rows[add_rowindex].Cells[6].Value = "λml";
                dtgrid.Rows[add_rowindex].Cells[7].Value = Math.Round(ret[1], 3).ToString();
                #endregion
                #region 第三行
                add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "Length";
                dtgrid.Rows[add_rowindex].Cells[1].Value = "";
                dtgrid.Rows[add_rowindex].Cells[2].Value = "";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "Red.Var";
             
                #endregion
                #region 第四行
                add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "(Y)";
                dtgrid.Rows[add_rowindex].Cells[1].Value = "Rank";
                dtgrid.Rows[add_rowindex].Cells[2].Value = "Prob";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "(X)";
                dtgrid.Rows[add_rowindex].Cells[4].Value = "ln";
                dtgrid.Rows[add_rowindex].Cells[5].Value = "";
                dtgrid.Rows[add_rowindex].Cells[6].Value = "X";
                dtgrid.Rows[add_rowindex].Cells[7].Value = "Xlow";
                dtgrid.Rows[add_rowindex].Cells[8].Value = "Xhig";
                #endregion
                #region 第五行
                add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "Data";
                dtgrid.Rows[add_rowindex].Cells[1].Value = "";
                dtgrid.Rows[add_rowindex].Cells[2].Value = "";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "RV";
                dtgrid.Rows[add_rowindex].Cells[4].Value = "(f(xi.δ.λ)";
                #endregion
               
              
                dtgrid.Rows[4].Height = 40;
                dtgrid.Rows[4].DefaultCellStyle.Font = new Font("微软雅黑", 12, FontStyle.Regular);
                for (int j = 0; j < 9; j++)
                {
                  
                    dtgrid.Rows[4].Cells[j].Style.BackColor = Color.WhiteSmoke;
                }
                
                for (int i = 0; i < N; i++)
                {
                    add_rowindex = dtgrid.Rows.Add();
                    dtgrid.Rows[add_rowindex].Cells[0].Value = vs[i].ToString();
                    dtgrid.Rows[add_rowindex].Cells[1].Value = (i+1).ToString();
                    dtgrid.Rows[add_rowindex].Cells[2].Value = C[i].ToString();
                    dtgrid.Rows[add_rowindex].Cells[3].Value =Math.Round(D[i],5).ToString();
                    dtgrid.Rows[add_rowindex].Cells[4].Value = Math.Round(E[i], 5).ToString();
                    dtgrid.Rows[add_rowindex].Cells[5].Value = Math.Round(F[i], 5).ToString();
                    dtgrid.Rows[add_rowindex].Cells[6].Value = Math.Round(G[i], 2).ToString();
                    dtgrid.Rows[add_rowindex].Cells[7].Value = Math.Round(H[i], 1).ToString();
                    dtgrid.Rows[add_rowindex].Cells[8].Value = Math.Round(I[i], 1).ToString();
                }
                add_rowindex = dtgrid.Rows.Add();
                dtgrid.Rows[add_rowindex].Cells[0].Value = "";
                dtgrid.Rows[add_rowindex].Cells[1].Value = "";
                dtgrid.Rows[add_rowindex].Cells[2].Value = "";
                dtgrid.Rows[add_rowindex].Cells[3].Value = "";
                dtgrid.Rows[add_rowindex].Cells[4].Value = "SUM(LL)";
                dtgrid.Rows[add_rowindex].Cells[5].Value = Math.Round(sumLL, 3).ToString();
                dtgrid.Rows[add_rowindex].Cells[6].Value = "";
                dtgrid.Rows[add_rowindex].Cells[7].Value = "";
                dtgrid.Rows[add_rowindex].Cells[8].Value = "";


                #region 极值分析
                LmaxData = new List<double[]>();
                double[] maxT = { 1.01, 1.11, 2, 20, 50, 100, 1000, 10000, 100000, 1000000, 10000000 };
                double[] maxP = { 1, 10, 50, 95, 98.0, 99, 99.9, 99.99, 99.999, 99.9999, 99.99999 };
                LmaxData.Add(maxT);
                LmaxData.Add(maxP);
                double[] maxy = new double[maxP.Length];
                double[] Lmax = new double[maxP.Length];
                for (int i = 0; i < maxP.Length; i++)
                {
                    maxy[i] = -1 * Math.Log(-1 * Math.Log(maxP[i]*0.01));
                    Lmax[i] =  ret[0] * maxy[i] + ret[1];
                }
                LmaxData.Add(maxy);
                LmaxData.Add(Lmax);
                #endregion
            }


        }
    
        private void btnChart_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < allData.Count; i++)
            {
                for (int j = 0; j < allData[i].Length; j++)
                {
                    if (double.IsNaN(allData[i][j]) || double.IsInfinity(allData[i][j]))
                    {
                        MessageBox.Show("数据不正常，会造成溢出");
                        return;
                    }
                }
            }
            ChartSherp chart = new ChartSherp(allData, ret[0], ret[1]);
            chart.Show();
        }

        private void btnLmax_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < allData.Count; i++)
            {
                for (int j = 0; j < allData[i].Length; j++)
                {
                    if (double.IsNaN(allData[i][j]) || double.IsInfinity(allData[i][j]))
                    {
                        MessageBox.Show("数据不正常，会造成溢出");
                        return;
                    }
                }
            }
            LmaxForm lmaxForm = new LmaxForm(LmaxData);
            lmaxForm.Show();
        }
        public static void ExportToExcel(DataGridView dataGrid, string path)
        {
           
            StreamWriter sw = null;
            try
            {
                long totalCount = dataGrid.Rows.Count;
                sw = new StreamWriter(path, false, Encoding.Unicode);
                StringBuilder sb = new StringBuilder();
                //for (int i = 0; i < dataGrid.Columns.Count; i++)
                //{
                //    sb.Append(dataGrid.Columns[i].HeaderText + "\t");
                //}
                //sb.Append(Environment.NewLine);
                for (int i = 0; i < dataGrid.Rows.Count; i++)
                {
                    for (int j = 0; j < dataGrid.Columns.Count; j++)
                    {
                        sb.Append(dataGrid.Rows[i].Cells[j].Value==null?"": dataGrid.Rows[i].Cells[j].Value + "\t");
                    }
                    sb.Append(Environment.NewLine);
                }
                sw.Write(sb.ToString());
                sw.Flush();
                MessageBox.Show("导出完成！");
            }
            catch (IOException ioe)
            {
                throw ioe;
            }
            finally
            {
                if (sw != null)
                {
                    sw.Close();
                }
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            System.Windows.Forms.FolderBrowserDialog dialog = new System.Windows.Forms.FolderBrowserDialog();
            dialog.Description = "请选择保存地址";
            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                ExportToExcel(dtgrid,dialog.SelectedPath+"//"+DateTime.Now.ToString("yyyyMMddHHmmss")+".xls");
            }

        
        }
    }
}