using System;
using System.Web;
using NPOI;
//using NPOI.SS.UserModel;
using NPOI.HPSF;
using NPOI.HSSF;
using NPOI.HSSF.UserModel;
using NPOI.POIFS;
using NPOI.Util;
using System.IO;
using System.Runtime.Serialization.Json;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Web.SessionState;
using System.Collections.Generic;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using System.Runtime.Remoting;
using Dapper;
using System.Linq;
using NPOI.SS.Formula.Functions;

namespace abbott_2024_event.BackEnd.api
{
    /// <summary>
    /// exportExcel 的摘要描述
    /// </summary>
    public class exportExcel : IHttpHandler
    {
        SqlConnection conn = new SqlConnection(globalClass.appsettings("DBConnectionString"));
        public authToken authToken;
        public void ProcessRequest(HttpContext context)
        {
            authToken objAuth = new authToken();

            if (!objAuth.user_isLogin)
            {
                context.Response.Write("尚未登入，請登入後使用");
                return;
            }

            string start = (context.Request["start"] == null) ? "" : context.Request["start"].ToString();
            string end = (context.Request["end"] == null) ? "" : context.Request["end"].ToString();
            string gender = (context.Request["gender"] == null) ? "" : context.Request["gender"].ToString();
            string min_age = (context.Request["min_age"] == null) ? "" : context.Request["min_age"].ToString();
            string max_age = (context.Request["max_age"] == null) ? "" : context.Request["max_age"].ToString();

            DateTime dateStart;
            DateTime dateEnd;

            try
            {
                dateStart = DateTime.Parse(start);
                dateEnd = DateTime.Parse(end + " 23:59:59");
            }
            catch
            {
                context.Response.Write("測驗起訖日錯誤");
                return;
            }

            if (gender != "%" && gender != "M" && gender != "F")
            {
            
                context.Response.Write("性別代碼錯誤!");
                return;
            }

            string filiterString = "";

            filiterString += " Where babyData_bindedLine = 'Y' and babyRec_newestRec = 'Y' and babyRec_recdate >= '" + dateStart.ToString("yyyy/MM/dd") + "' and babyRec_recdate <= '" + dateEnd.ToString("yyyy/MM/dd HH:mm:ss") + "' ";

            if (gender != "%")
            {
                filiterString += " and babyData_sexual = '" + gender + "' ";
            }

            filiterString += " and babyRec_months >= " + (int.Parse(min_age) * 12).ToString() + " and babyRec_months <= " + (int.Parse(max_age) * 12).ToString();

            List<babyDataRecView> babyDataRecViews = conn.Query<babyDataRecView>("select * from babyDataRecView " + filiterString + " ").ToList();

            HSSFWorkbook workbook = new HSSFWorkbook();
            MemoryStream ms = new MemoryStream();
            HSSFSheet sheet = (HSSFSheet)workbook.CreateSheet();
            HSSFRow headerRow = (HSSFRow)sheet.CreateRow(0);

            headerRow.CreateCell(0).SetCellValue("Line Uid");
            headerRow.CreateCell(1).SetCellValue("Line 名稱");
            headerRow.CreateCell(2).SetCellValue("電話");
            headerRow.CreateCell(3).SetCellValue("寶寶姓名");
            headerRow.CreateCell(4).SetCellValue("寶寶性別");
            headerRow.CreateCell(5).SetCellValue("生日");
            headerRow.CreateCell(6).SetCellValue("測驗日期");
            headerRow.CreateCell(7).SetCellValue("測驗時年齡");
            headerRow.CreateCell(8).SetCellValue("寶寶身高");
            headerRow.CreateCell(9).SetCellValue("寶寶成長百分比");

            int pageNum = 1;

            foreach (babyDataRecView view in babyDataRecViews)
            {
                string baby_gender = "";

                if (view.babyData_sexual == "M")
                {
                    baby_gender = "男";
                }
                else {
                    baby_gender = "女";
                }

                string inpercent = "";

                
                switch (view.babyRec_inpercent)
                {
                    case 3:
                        {
                            inpercent = "0%~3%";
                            break;
                        }
                    case 15:
                        {
                            inpercent = "3%~15%";
                            break;
                        }
                    case 25:
                        {
                            inpercent = "15%~25%";
                            break;
                        }
                    case 50:
                        {
                            inpercent = "25%~50%";
                            break;
                        }
                    case 75:
                        {
                            inpercent = "50%~75%";
                            break;
                        }
                    case 85:
                        {
                            inpercent = "75%~85%";
                            break;
                        }
                    case 97:
                        {
                            inpercent = "85%~97%";
                            break;
                        }
                    case 100:
                        {
                            inpercent = "97%~100%";
                            break;
                        }

                }

                HSSFRow excelRow = (HSSFRow)sheet.CreateRow(pageNum);
                excelRow.CreateCell(0).SetCellValue(view.line_uid);
                excelRow.CreateCell(1).SetCellValue(view.line_displayName);
                excelRow.CreateCell(2).SetCellValue(view.line_phone);
                excelRow.CreateCell(3).SetCellValue(view.babyData_name);
                excelRow.CreateCell(4).SetCellValue(baby_gender);
                excelRow.CreateCell(5).SetCellValue(view.babyData_birthday.ToString("yyyy/MM/dd"));
                excelRow.CreateCell(6).SetCellValue(view.babyRec_recdate.ToString("yyyy/MM/dd"));
                excelRow.CreateCell(7).SetCellValue(view.babyRec_yearMonthStr);
                excelRow.CreateCell(8).SetCellValue(view.babyRec_height);
                excelRow.CreateCell(9).SetCellValue(inpercent);

                pageNum++;
            }

            for (int j = 0; j <= 8; j++)
            {
                sheet.AutoSizeColumn(j);
                sheet.SetColumnWidth(j, sheet.GetColumnWidth(j) * 17 / 10);
            }



            workbook.Write(ms);
            ms.Flush();

            string fileName = HttpUtility.UrlEncode("測驗者寶寶成長資料_" + DateTime.Now.ToString("yyyy-MM-dd") + ".xls", Encoding.UTF8);
            context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.AddHeader("Content-Disposition", String.Format("attachment;filename=" + fileName + ";filename*=utf-8''" + fileName));
            //context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.BinaryWrite(ms.ToArray());

        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}