using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;

namespace VRS.Management.VSAT
{
    public partial class ResultStudentStatistics : BaseListPage
    {
        DataService.BLL.pro_result bll = new DataService.BLL.pro_result();

        protected override void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                start.SelectedDate = DateTime.Today.AddDays(-365);
                end.SelectedDate = DateTime.Today;
                BindMajors(dpMajor, "");
                BindGrade(grade, "");
                DataLoad();
            }
        }

        public DataSet getDataSet()
        {
            var start_date = start.SelectedDate.HasValue ? start.SelectedDate.Value.ToString("yyyy-MM-dd") : "";
            var end_date = end.SelectedDate.HasValue ? end.SelectedDate.Value.ToString("yyyy-MM-dd") : "";
            if (!string.IsNullOrEmpty(end_date))
            {
                end_date = DateTime.Parse(end_date).AddDays(1).ToString("yyyy-MM-dd");
            }
            //var query = new StringBuilder(" 1 = 1 and subject_id!='00003' "); //排除故障现象考试
            var query = new StringBuilder(" 1 = 1 "); //不排除故障现象考试
            if (!string.IsNullOrWhiteSpace(start_date))
            {
                query.AppendFormat(" AND examine_time >= '{0}' ", start_date);
            }
            if (!string.IsNullOrWhiteSpace(end_date))
            {
                query.AppendFormat(" AND examine_time < '{0}' ", end_date);
            }
            //姓名
            if (!string.IsNullOrWhiteSpace(real_name.Text.Trim()))
            {
                query.AppendFormat(" AND (real_name LIKE '%{0}%' )", real_name.Text.Trim());
            }

            //学号
            if (!string.IsNullOrWhiteSpace(login_name.Text.Trim()))
            {
                query.AppendFormat(" AND (login_name LIKE '%{0}%'  ) ", login_name.Text.Trim());
            }

            if (!string.IsNullOrWhiteSpace(dpMajor.SelectedValue))
            {
                query.AppendFormat(" AND major = '{0}' ", dpMajor.SelectedValue);
            }

            if (!string.IsNullOrWhiteSpace(grade.SelectedValue))
            {
                query.AppendFormat(" AND grade = '{0}' ", grade.SelectedValue);
            }

            var configModel = GetSystemConfig(ConfigurationManager.AppSettings["SystemName"].ToString());
            decimal rate = configModel.xl_rate;
            var data = bll.GetStudentStatistics(query.ToString(), rate);


            return data;
        }

        public static void compute_score(DataTable table, out decimal man_dn60, out decimal man_bt60_70, out decimal man_bt70_80, out decimal man_bt80_90, out decimal man_up90, out decimal total_score, out decimal total_man)
        {
            // 不及格 60分以下
            man_dn60 = 0;

            //及格 60-69
            man_bt60_70 = 0;

            //中等 70-79
            man_bt70_80 = 0;

            //良好 80-89
            man_bt80_90 = 0;

            //优秀 90-100
            man_up90 = 0;


            //总计多少分
            total_score = 0;
            //总计多少人
            total_man = 0;

            var tb = table;
            int temp = 0;
            for (int i = 0; i < tb.Rows.Count; i++)
            {
                var row = tb.Rows[i];

                if (int.TryParse(row["end_avg"].ToString(), out temp))
                {
                    total_score = total_score + temp;
                    total_man++;
                    if (temp >= 90)
                    {
                        man_up90++;
                    }
                    else if (temp >= 80 && temp < 90)
                    {
                        man_bt80_90++;
                    }
                    else if (temp >= 70 && temp < 80)
                    {
                        man_bt70_80++;
                    }
                    else if (temp >= 60 && temp < 70)
                    {
                        man_bt60_70++;
                    }
                    else if (temp < 60)
                    {
                        man_dn60++;
                    }
                }
            }
        }

        /// <summary>
        /// 学生成绩统计分数段
        /// </summary>
        /// <param name="table"></param>
        private void load_score_segment(DataTable table)
        {
            // 不及格 60分以下
            decimal man_dn60 = 0;

            //及格 60-69
            decimal man_bt60_70 = 0;

            //中等 70-79
            decimal man_bt70_80 = 0;

            //良好 80-89
            decimal man_bt80_90 = 0;

            //优秀 90-100
            decimal man_up90 = 0;

            //总计多少分
            decimal total_score = 0;
            //总计多少人
            decimal total_man = 0;

            compute_score(table, out man_dn60, out man_bt60_70, out man_bt70_80, out man_bt80_90, out man_up90, out total_score, out total_man);

            if (total_man > 0)
            {
                var avg_score = Math.Round(total_score / total_man, 1);
                var avg_score_string = avg_score.ToString();
            }

            /*
            dn60 = 20;
            bt60_70 = 30;
            bt70_80 = 40;
            bt80_90 = 8;
            up90 = 2;
            total_has_score = 100;
            */

            span_dn60.InnerHtml = man_dn60.ToString() + "人";
            span_bt60_70.InnerHtml = man_bt60_70.ToString() + "人";
            span_bt70_80.InnerHtml = man_bt70_80.ToString() + "人";
            span_bt80_90.InnerHtml = man_bt80_90.ToString() + "人";
            span_up90.InnerHtml = man_up90.ToString() + "人";



            if (total_man > 0)
            {
                ChartUser.Visible = true;
                PieChart1.Visible = true;

                var Series_dn60 = ChartUser.PlotArea.Series[0] as ColumnSeries;
                Series_dn60.SeriesItems[0].Y = man_dn60;
                Series_dn60.SeriesItems[1].Y = man_bt60_70;
                Series_dn60.SeriesItems[2].Y = man_bt70_80;
                Series_dn60.SeriesItems[3].Y = man_bt80_90;
                Series_dn60.SeriesItems[4].Y = man_up90;

                Series_dn60.SeriesItems[0].BackgroundColor = Color.Red;
                Series_dn60.SeriesItems[1].BackgroundColor = Color.YellowGreen;
                Series_dn60.SeriesItems[2].BackgroundColor = Color.SkyBlue;
                Series_dn60.SeriesItems[3].BackgroundColor = Color.BlueViolet;
                Series_dn60.SeriesItems[4].BackgroundColor = Color.Blue;


                /*
                var Series_bt60_70 = ChartUser.PlotArea.Series[1] as ColumnSeries;
                Series_bt60_70.SeriesItems[0].Y = bt60_70;

                var Series_bt70_80 = ChartUser.PlotArea.Series[2] as ColumnSeries;
                Series_bt70_80.SeriesItems[0].Y = bt70_80;

                var Series_bt80_90 = ChartUser.PlotArea.Series[3] as ColumnSeries;
                Series_bt80_90.SeriesItems[0].Y = bt80_90;

                var Series_up90 = ChartUser.PlotArea.Series[4] as ColumnSeries;
                Series_up90.SeriesItems[0].Y = up90;
                */

                decimal v1 = Math.Round(man_dn60 * 100 / total_man, 1);
                decimal v2 = Math.Round(man_bt60_70 * 100 / total_man, 1);
                decimal v3 = Math.Round(man_bt70_80 * 100 / total_man, 1);
                decimal v4 = Math.Round(man_bt80_90 * 100 / total_man, 1);
                decimal v5 = Math.Round(man_up90 * 100 / total_man, 1);

                var Series0 = PieChart1.PlotArea.Series[0] as PieSeries;
                Series0.SeriesItems[0].Y = v1;
                Series0.SeriesItems[1].Y = v2;
                Series0.SeriesItems[2].Y = v3;
                Series0.SeriesItems[3].Y = v4;
                Series0.SeriesItems[4].Y = v5;
            }
            else
            {
                ChartUser.Visible = false;
                PieChart1.Visible = false;
            }
        }

        protected override void DataLoad()
        {

            var data = getDataSet().Tables[0];
            dataList.DataSource = data;
            dataList.Rebind();

            load_score_segment(data);
        }

        protected override void GridList_PageIndexChanged(object sender, GridPageChangedEventArgs e)
        {
            DataLoad();
        }

        protected override void GridList_PageSizeChanged(object sender, GridPageSizeChangedEventArgs e)
        {
            DataLoad();
        }

        protected override void GridList_SortCommand(object sender, GridSortCommandEventArgs e)
        {
            DataLoad();
        }

        protected override void GrdList_DeleteCommand(object sender, GridCommandEventArgs e)
        {
            string Id = (e.Item as GridDataItem).OwnerTableView.DataKeyValues[e.Item.ItemIndex]["Id"].ToString();
            bll.Delete(Id);
            DataLoad();
        }

        protected override void AjaxManager_AjaxRequest(object sender, AjaxRequestEventArgs e)
        {

        }

        protected void btnSelect_Click(object sender, EventArgs e)
        {
            DataLoad();
        }

        protected void btnDelete_Click(object sender, EventArgs e)
        {
            bll.Delete(IdInput.Value);

            DataLoad();
        }

        public void getvalue()
        {

        }

        /// <summary>
        /// 导出excel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExport_Click(object sender, EventArgs e)
        {
            var data = getDataSet();
            string filePath = Server.MapPath("~/Download/");
            if (!Directory.Exists(filePath))
            {
                Directory.CreateDirectory(filePath);
            }


            /*
            <telerik:GridBoundColumn DataField="grade" HeaderText="入学年度"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="major" HeaderText="专业"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="real_name" HeaderText="姓名"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="login_name" HeaderText="学号"></telerik:GridBoundColumn>


            <telerik:GridBoundColumn DataField="xl_count" HeaderText="训练次数"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="kh_count" HeaderText="考核次数"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="xl_avg" HeaderText="训练成绩"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="kh_avg" HeaderText="考核成绩"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="end_avg" HeaderText="总成绩"></telerik:GridBoundColumn>
            */


            var table = new DataTable();
            //table.Columns.Add("入学年度");
            //table.Columns.Add("专业");
            table.Columns.Add("姓名");
            table.Columns.Add("学号");

            table.Columns.Add("训练次数");
            table.Columns.Add("考核次数");
            table.Columns.Add("训练成绩");
            table.Columns.Add("考核成绩");
            table.Columns.Add("总成绩");
            var source = data.Tables[0];
            for (var i = 0; i < source.Rows.Count; i++)
            {
                var row = table.NewRow();
                var res = source.Rows[i];
                //row["入学年度"] = res["grade"];
                //row["专业"] = res["major"];
                row["姓名"] = res["real_name"];
                row["学号"] = res["login_name"];

                row["训练次数"] = res["xl_count"];
                row["考核次数"] = res["kh_count"];
                row["训练成绩"] = res["xl_avg"];
                row["考核成绩"] = res["kh_avg"];
                row["总成绩"] = res["end_avg"];
                table.Rows.Add(row);
            }
            if (source.Rows.Count <= 0)
            {
                RadAjaxManager1.Alert("导出记录不存在！");
                return;
            }
            string title = source.Rows[0]["grade"].ToString() + source.Rows[0]["major"].ToString() + "专业考试成绩统计表";
            string fileName = string.Format("{0}.xls", title + "_" + DateTime.Now.ToString("yyyyMMddHHmmss"));
            filePath = filePath + fileName;
            VRS.Util.Import.DateTableToExcelWithTitle(table, source, filePath, title);

            FileInfo fileInfo = new FileInfo(filePath);
            Response.Clear();
            Response.ClearContent();
            Response.ClearHeaders();
            Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
            Response.AddHeader("Content-Length", fileInfo.Length.ToString());
            Response.AddHeader("Content-Transfer-Encoding", "binary");
            Response.ContentType = "application/octet-stream";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
            Response.WriteFile(fileInfo.FullName);
            Response.Flush();
            Response.End();
        }



        /// <summary>
        /// 导出excel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnExport_score_segment_Click(object sender, EventArgs e)
        {



            string filePath = Server.MapPath("~/Download/");
            if (!Directory.Exists(filePath))
            {
                Directory.CreateDirectory(filePath);
            }
            string fileName = string.Format("{0}.xls", "学员总成绩分数段统计_" + DateTime.Now.ToString("yyyyMMddHHmmss"));
            filePath = filePath + fileName;

            var table = new DataTable();
            table.Columns.Add("分数段");
            table.Columns.Add("人数");

            var row1 = table.NewRow();
            row1["分数段"] = "60分以下";
            row1["人数"] = span_dn60.InnerHtml;
            table.Rows.Add(row1);

            var row2 = table.NewRow();
            row2["分数段"] = "60到70分";
            row2["人数"] = span_bt60_70.InnerHtml;
            table.Rows.Add(row2);

            var row3 = table.NewRow();
            row3["分数段"] = "70到80分";
            row3["人数"] = span_bt70_80.InnerHtml;
            table.Rows.Add(row3);

            var row4 = table.NewRow();
            row4["分数段"] = "80到90分";
            row4["人数"] = span_bt80_90.InnerHtml;
            table.Rows.Add(row4);

            var row5 = table.NewRow();
            row5["分数段"] = "90分以上";
            row5["人数"] = span_up90.InnerHtml;
            table.Rows.Add(row5);


            VRS.Util.Import.DateTableToExcel(table, filePath);
            FileInfo fileInfo = new FileInfo(filePath);
            Response.Clear();
            Response.ClearContent();
            Response.ClearHeaders();
            Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
            Response.AddHeader("Content-Length", fileInfo.Length.ToString());
            Response.AddHeader("Content-Transfer-Encoding", "binary");
            Response.ContentType = "application/octet-stream";
            Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
            Response.WriteFile(fileInfo.FullName);
            Response.Flush();
            Response.End();
        }
    }
}