<%@ WebHandler Language="C#" Class="exportCountReport" %>

using System;
using System.Web;
using NPOI;
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.Linq;
using System.Text.RegularExpressions;

public class exportCountReport : IHttpHandler, IReadOnlySessionState {

    public void ProcessRequest (HttpContext context) {
        authPermission objAuth = new authPermission();

        if (!objAuth.isLogin())
        {
            context.Response.Write("尚未登入! 或時間過久已被登出!");
            return;
        }

        string project_uid =  (context.Request["project_uid"] == null) ? "" : context.Request["project_uid"].ToString();
        string startDate = (context.Request["startDate"] == null) ? "" : context.Request["startDate"].ToString();
        string endDate = (context.Request["endDate"] == null) ? "" : context.Request["endDate"].ToString();
        string url_uid = (context.Request["url_uid"] == null) ? "" : context.Request["url_uid"].ToString();
        string type =  (context.Request["type"] == null) ? "" : context.Request["type"].ToString();

        string errmsg = "";

        if (globalClass.IsDate(startDate) == false) {
            errmsg = "請輸入開始日期!\n";
        }

        if (globalClass.IsDate(endDate) == false) {
            errmsg = "請輸入結束日期!\n";
        }

        if (type != "day" && type != "total" && type != "month" && type != "hour") {
            errmsg += "無正確的統計方式!\n";
        }

        if (errmsg.Length > 0) {
            context.Response.Write(errmsg);
            return;
        }

        string urlString = string.Format("select * from url where url_uid = '{0}' and url_isRevoke = 'N' ", url_uid);
        autoBindDataTable urlSQL = new autoBindDataTable(urlString);

        if (urlSQL.dataRows.Count == 0) {
            context.Response.Write("找不到此 url_uid 的資料!");
            return;
        }

        string url_descript = urlSQL.dataRows[0]["url_descript"].ToString();

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


        DateTime dateStart = DateTime.Parse(startDate);
        DateTime dateEnd = DateTime.Parse(endDate + " 23:59:59");

        if (type == "hour") {
            headerRow.CreateCell(0).SetCellValue("日期時間");
            headerRow.CreateCell(1).SetCellValue("次數");

            string projString = string.Format("select * from projects where project_isRevoke = 'N' and project_uid = '{0}'", urlSQL.dataRows[0]["project_uid"].ToString());
            autoBindDataTable projSQL = new autoBindDataTable(projString);

            project_uid = urlSQL.dataRows[0]["project_uid"].ToString();

            if (projSQL.dataRows.Count == 0) {
                context.Response.Write("找不到此URL的專案資料!");
                return;
            }

            string recTableName = projSQL.dataRows[0]["project_recTableName"].ToString();

            string rangeString = string.Format("select * from {0} where project_uid = '{1}' and url_uid = '{2}' and rec_createdate >= '{3}' and rec_createdate <= '{4}'", recTableName, project_uid, url_uid, dateStart.ToString("yyyy/MM/dd HH:mm:ss"), dateEnd.ToString("yyyy/MM/dd HH:mm:ss"));
            autoBindDataTable rangeSQL = new autoBindDataTable(rangeString);

            DateTime tmpDate = dateStart;
            int rowNum = 1;
            int intTotal = 0;

            while (tmpDate <= dateEnd) {
                DateTime dateS = DateTime.Parse(tmpDate.ToString("yyyy/MM/dd HH:00:00"));
                DateTime dateE = DateTime.Parse(tmpDate.AddHours(1).ToString("yyyy/MM/dd HH:00:00")).AddSeconds(-1);


                DataRow[] objTmp = rangeSQL.selectedRows(string.Format("rec_createdate >= '{0}' and rec_createdate <= '{1}'", dateS.ToString("yyyy/MM/dd HH:mm:ss"), dateE.ToString("yyyy/MM/dd HH:mm:ss")));

                //countData objCount = new countData();
                //objRet.data.Add(objCount);

                string col1 = tmpDate.ToString("yyyy/MM/dd") + " " + tmpDate.ToString("HH") + ":00:00 - " + tmpDate.ToString("HH") + ":59:59";

                HSSFRow excelRow = (HSSFRow)sheet.CreateRow(rowNum);
                excelRow.CreateCell(0).SetCellValue(col1);


                if (objTmp.Length == 0)
                {
                    excelRow.CreateCell(1).SetCellValue(0);
                }
                else {

                    excelRow.CreateCell(1).SetCellValue(objTmp.Length);
                    intTotal += objTmp.Length;
                }

                tmpDate = tmpDate.AddHours(1);
                rowNum += 1;
            }

            HSSFRow excelRow2 = (HSSFRow)sheet.CreateRow(rowNum);
            excelRow2.CreateCell(0).SetCellValue("總計");
            excelRow2.CreateCell(1).SetCellValue(intTotal);

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

            context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=" + HttpUtility.UrlEncode(url_descript.Trim() + "_" + DateTime.Now.ToString("yyyy-MM-dd"), Encoding.UTF8) + ".xls"));
            context.Response.BinaryWrite(ms.ToArray());

            return;
        }

        if (type == "month") {
            headerRow.CreateCell(0).SetCellValue("日期時間");
            headerRow.CreateCell(1).SetCellValue("次數");

            string rangeString = string.Format("select * from recSubTotal where url_uid = '{0}' and recSubTotal_date >= '{1}' and recSubTotal_date <= '{2}'", url_uid, dateStart.ToString("yyyy/MM/dd HH:mm:ss"), dateEnd.ToString("yyyy/MM/dd HH:mm:ss"));
            autoBindDataTable rangeSQL = new autoBindDataTable(rangeString);

            DateTime tmpDate = dateStart;
            int intTotal = 0;
            int rowNum = 1;

            while (tmpDate <= dateEnd) {
                DateTime dateS = DateTime.Parse(tmpDate.ToString("yyyy/MM/01 00:00:00"));
                DateTime dateE = DateTime.Parse(tmpDate.AddMonths(1).ToString("yyyy/MM/01 00:00:00")).AddSeconds(-1);

                if (dateStart > dateS) {
                    dateS = dateStart;
                }

                if (dateE > dateEnd) {
                    dateE = dateEnd;
                }


                DataRow[] objTmp = rangeSQL.selectedRows(string.Format("recSubTotal_date > '{0}' and recSubTotal_date <= '{1}'", dateS.ToString("yyyy/MM/dd 00:00:00"), dateE.ToString("yyyy/MM/dd 23:59:59")));

                string col1 = tmpDate.ToString("yyyy") + "年" + tmpDate.ToString("MM") + "月";

                HSSFRow excelRow = (HSSFRow)sheet.CreateRow(rowNum);
                excelRow.CreateCell(0).SetCellValue(col1);

                if (objTmp.Length == 0)
                {
                    excelRow.CreateCell(1).SetCellValue(0);
                }
                else {

                    excelRow.CreateCell(1).SetCellValue(objTmp.Sum(row => row.Field<int>("recSubTotal_count")));
                    intTotal += objTmp.Sum(row => row.Field<int>("recSubTotal_count"));
                }

                tmpDate = tmpDate.AddMonths(1);

                if (tmpDate > dateEnd && tmpDate.ToString("yyyy/MM") == dateEnd.ToString("yyyy/MM")) {
                    tmpDate = dateEnd;
                }

                rowNum += 1;
            }

            HSSFRow excelRow2 = (HSSFRow)sheet.CreateRow(rowNum);
            excelRow2.CreateCell(0).SetCellValue("總計");
            excelRow2.CreateCell(1).SetCellValue(intTotal);

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

            context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=" + HttpUtility.UrlEncode(url_descript.Trim() + "_" + DateTime.Now.ToString("yyyy-MM-dd"), Encoding.UTF8) + ".xls"));
            context.Response.BinaryWrite(ms.ToArray());

            return;
        }

        if (type == "day") {
            headerRow.CreateCell(0).SetCellValue("日期時間");
            headerRow.CreateCell(1).SetCellValue("次數");

            string rangeString = string.Format("select * from recSubTotal where url_uid = '{0}' and recSubTotal_date >= '{1}' and recSubTotal_date <= '{2}'", url_uid, dateStart.ToString("yyyy/MM/dd HH:mm:ss"), dateEnd.ToString("yyyy/MM/dd HH:mm:ss"));
            autoBindDataTable rangeSQL = new autoBindDataTable(rangeString);

            DateTime tmpDate = dateStart;
            int intTotal = 0;
            int rowNum = 1;

            while (tmpDate < dateEnd) {
                DataRow[] objTmp = rangeSQL.selectedRows(string.Format("recSubTotal_date > '{0}' and recSubTotal_date <= '{1}'", tmpDate.ToString("yyyy/MM/dd"), tmpDate.ToString("yyyy/MM/dd 23:59:59")));

                string col1 = tmpDate.ToString("yyyy/MM/dd");

                HSSFRow excelRow = (HSSFRow)sheet.CreateRow(rowNum);
                excelRow.CreateCell(0).SetCellValue(col1);

                if (objTmp.Length == 0)
                {
                    excelRow.CreateCell(1).SetCellValue(0);
                }
                else {

                    excelRow.CreateCell(1).SetCellValue(int.Parse(objTmp[0]["recSubTotal_count"].ToString()));
                    intTotal += int.Parse(objTmp[0]["recSubTotal_count"].ToString());
                }

                tmpDate = tmpDate.AddDays(1);
                rowNum += 1;
            }

            HSSFRow excelRow2 = (HSSFRow)sheet.CreateRow(rowNum);
            excelRow2.CreateCell(0).SetCellValue("總計");
            excelRow2.CreateCell(1).SetCellValue(intTotal);

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

            context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=" + HttpUtility.UrlEncode(url_descript.Trim() + "_" + DateTime.Now.ToString("yyyy-MM-dd"), Encoding.UTF8) + ".xls"));
            context.Response.BinaryWrite(ms.ToArray());

            return;
        }

        if (type == "total") {
            string rangeString = string.Format("select sum(recSubTotal_count) as num from recSubTotal where url_uid = '{0}' and recSubTotal_date >= '{1}' and recSubTotal_date <= '{2}'", url_uid, dateStart.ToString("yyyy/MM/dd HH:mm:ss"), dateEnd.ToString("yyyy/MM/dd HH:mm:ss"));
            autoBindDataTable rangeSQL = new autoBindDataTable(rangeString);

            HSSFRow excelRow2 = (HSSFRow)sheet.CreateRow(1);
            excelRow2.CreateCell(0).SetCellValue("總計");


            if (rangeSQL.dataRows.Count == 0)
            {
                excelRow2.CreateCell(0).SetCellValue("0");
            }
            else {
                excelRow2.CreateCell(1).SetCellValue(int.Parse(rangeSQL.dataRows[0]["num"].ToString()));
            }

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

            context.Response.ContentType = "application/vnd.ms-excel;charset=utf-8";
            context.Response.AddHeader("Content-Disposition", String.Format("attachment; filename=" + HttpUtility.UrlEncode(url_descript.Trim() + "_" + DateTime.Now.ToString("yyyy-MM-dd"), Encoding.UTF8) + ".xls"));
            context.Response.BinaryWrite(ms.ToArray());

            return;
        }

        return;
    }

    public bool IsReusable {
        get {
            return false;
        }
    }

}