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;
using NPOI.XSSF.UserModel;
using System.Web.UI.WebControls;
namespace abbott_2024_event.BackEnd.api
{
    /// <summary>
    /// exportBabyRec 的摘要描述
    /// </summary>
    public class exportBabyRec : 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 line_uid = (context.Request["line_uid"] == null) ? "" : context.Request["line_uid"].ToString();
            string babyData_uid = (context.Request["baby_uid"] == null) ? "" : context.Request["baby_uid"].ToString();

            lineUser lineUser = conn.QueryFirstOrDefault<lineUser>("select * from lineUser where line_uid = @line_uid", new { line_uid = line_uid });

            if (lineUser == null) {
                context.Response.Write("無此Line Uid資料");
                return;
            }

            babyData babyData = conn.QueryFirstOrDefault<babyData>("select * from babyData where line_uid = @line_uid and babyData_uid = @babyData_uid", new { line_uid = line_uid, babyData_uid = babyData_uid });

            if (babyData == null) {
                context.Response.Write("無此寶寶資料");
                return;
            }

            List<babyRec> babyRecs = conn.Query<babyRec>("select * from babyRec where line_uid = @line_uid and babyData_uid = @babyData_uid order by babyRec_months desc, babyRec_sn desc", new { line_uid = line_uid, babyData_uid = babyData_uid }).ToList();

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

            

            HSSFRow row;

            row = (HSSFRow)sheet.GetRow(0);
            row.CreateCell(0);
            row.CreateCell(1);
            row.CreateCell(2);
            row.CreateCell(3);
            sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, 3));

            row.CreateCell(0).SetCellValue("Line 名稱：" + lineUser.line_displayName + "  ,Line UID:" + lineUser.line_uid);

            HSSFRow babyRow = (HSSFRow)sheet.CreateRow(1);
            babyRow.CreateCell(0);
            babyRow.CreateCell(1);
            babyRow.CreateCell(2);
            babyRow.CreateCell(3);
            sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(1, 1, 0, 3));

            string gender = "";

            if (babyData.babyData_sexual == "M")
            {
                gender = "男";
            }
            else
            {
                gender = "女";
            }
            babyRow.CreateCell(0).SetCellValue("寶寶姓名：" + babyData.babyData_name + " (" + gender + ") " + "  ,生日:" + babyData.babyData_birthday.ToString("yyyy/MM/dd"));



            HSSFRow blankRow = (HSSFRow)sheet.CreateRow(2);
            blankRow.CreateCell(0);
            blankRow.CreateCell(1);
            blankRow.CreateCell(2);
            blankRow.CreateCell(3);
            sheet.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(2, 2, 0, 3));

            
            HSSFRow titleRow = (HSSFRow)sheet.CreateRow(3);

            titleRow.CreateCell(0).SetCellValue("測驗日期");
            titleRow.CreateCell(1).SetCellValue("測驗時年齡");
            titleRow.CreateCell(2).SetCellValue("寶寶身高");
            titleRow.CreateCell(3).SetCellValue("寶寶成長百分比");

            int pageNum = 4;

            foreach (babyRec rec in babyRecs) {
                string baby_inpercent = "";

                if (rec.babyRec_inpercent > 97)
                {
                    baby_inpercent = "大於 97%";
                }
                else
                {
                    baby_inpercent = rec.babyRec_inpercent.ToString() + "%";

                }

                HSSFRow excelRow = (HSSFRow)sheet.CreateRow(pageNum);
                excelRow.CreateCell(0).SetCellValue(rec.babyRec_recdate.ToString("yyyy/MM/dd"));
                excelRow.CreateCell(1).SetCellValue(rec.babyRec_yearMonthStr);
                excelRow.CreateCell(2).SetCellValue(rec.babyRec_height);
                excelRow.CreateCell(3).SetCellValue(baby_inpercent);
                pageNum++;
            }


            for (int j = 0; j <= 3; j++)
            {
                sheet.AutoSizeColumn(j);
                sheet.SetColumnWidth(j, sheet.GetColumnWidth(j) * 17 / 10);
            }

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

            string fileName = HttpUtility.UrlEncode(lineUser.line_displayName + "的[" + babyData.babyData_name + "]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;
            }
        }
    }
}