using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Spreadsheet;
using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.OleDb;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using static Model.admin_log;
using static regionController;

public partial class admin_order_index : MyWeb.config
{
    private Model.ezEntities _db = new Model.ezEntities();
    public Dictionary<int, string> _keyin1Item = null;
    protected string lastAddedNo;

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

            Model.pro_order order = new Model.pro_order();
            ArrayList options = order.keyin1_list();
            foreach (Model.pro_order.keyin optionKey in options)
            {
                ListItem item = new ListItem(optionKey.Text, optionKey.Value);
                item.Attributes.Add("style", "color:" + optionKey.Color);
                s_keyin1.Items.Add(item);
            }

            _keyin1Item = publicFun.enum_desc<Model.activity_check.keyin1>(); //狀態

            if (Session["LastAddedNo"] != null)
            {
                lastAddedNo = Session["LastAddedNo"].ToString();
                Session.Remove("LastAddedNo");
            }

            BuildKind();

        }

    }
    #region 分類



    public void BuildKind()
    {
        //國籍
        s_country.Items.Clear();
        s_country.Items.Add(new ListItem("請選擇", ""));
        var qry = _db.countries.OrderBy(x => x.range).ThenBy(x => x.name_en).ToList();
        if (qry.Count > 0)
        {
            foreach (var x in qry)
                s_country.Items.Add(new ListItem(x.name_zh, x.ID));
        }

    }
    #endregion
    #region 匯出Excel

    protected void export_Click(object sender, EventArgs e)
    {
        LinkButton btn = sender as LinkButton;
        if (btn == null) return;
        bool isPrintMode = (btn.ID == "print_management");
        bool isExcelMode = (btn.ID == "excel_management" || btn.ID == "excel");

        //查詢要匯出的資料
        string _query = "";     // 紀錄匯出條件
        //var list = searchData(ref _query, isManagementMode);

        if (isExcelMode)
        {
            int selYear = !string.IsNullOrEmpty(hid_print_year.Value) ? int.Parse(hid_print_year.Value) : 0;
            int selMonth = !string.IsNullOrEmpty(hid_print_month.Value) ? int.Parse(hid_print_month.Value) : 0;
            int selSeason = !string.IsNullOrEmpty(hid_print_season.Value) ? int.Parse(hid_print_season.Value) : 0;
            string selMode = !string.IsNullOrEmpty(hid_print_mode.Value) ? hid_print_mode.Value : "";
            bool chkHasAct = !string.IsNullOrEmpty(hid_chk_hasact.Value) && Convert.ToBoolean(hid_chk_hasact.Value);
            bool chkNoAct = !string.IsNullOrEmpty(hid_chk_noact.Value) && Convert.ToBoolean(hid_chk_noact.Value);
            int selAct = !string.IsNullOrEmpty(hid_select_act.Value) ? int.Parse(hid_select_act.Value) : 0;
            int selActItem = !string.IsNullOrEmpty(hid_select_actitem.Value) ? int.Parse(hid_select_actitem.Value) : 0;

            var qry = _db.pro_order.AsQueryable();

            if (selYear > 0)
            {
                qry = qry.Where(o => o.up_time.HasValue && o.up_time.Value.Year == selYear);
                _query += "年份:" + selYear + "\n";
            }

            if (selMode == "mm" && selMonth > 0)
            {
                qry = qry.Where(o => o.up_time.HasValue && o.up_time.Value.Month == selMonth);
                _query += "月份:" + selMonth + "\n";
            }

            if (selMode == "ss" && selSeason > 0)
            {
                if (selSeason == 1)
                {
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 1 || o.up_time.Value.Month == 2 || o.up_time.Value.Month == 3);
                }
                else if (selSeason == 2)
                {
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 4 || o.up_time.Value.Month == 5 || o.up_time.Value.Month == 6);
                }
                else if (selSeason == 3)
                {
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 7 || o.up_time.Value.Month == 8 || o.up_time.Value.Month == 9);
                }
                else if (selSeason == 4)
                {
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 10 || o.up_time.Value.Month == 11 || o.up_time.Value.Month == 12);
                }

                _query += "季度:" + selSeason + "\n";
            }

            if (chkHasAct)
            {
                if(selAct > 0)
                {
                    var actSubject = _db.activities.Where(a => a.num == selAct).Select(a => a.subject).FirstOrDefault();
                    _query += $"活動報名: {actSubject}\n";
                }
                else
                {
                    _query += $"活動報名\n";
                }

                if (chkNoAct)
                {
                    _query += "非活動報名\n";
                    if (selAct > 0)
                        qry = qry.Where(o => o.activity_num.HasValue && o.activity_num.Value == selAct);
                }
                else
                {
                    qry = qry.Where(o => o.activity_num.HasValue);
                    if (selAct > 0)
                        qry = qry.Where(o => o.activity_num.Value == selAct);
                }
            }
            else
            {
                if (chkNoAct)
                {
                    qry = qry.Where(o => o.activity_num == null);
                    _query += "非活動報名\n";
                }
            }


            if (selActItem > 0)
                qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem_num.Value == selActItem).Count() > 0);

            if (selYear > 0)
                qry = qry.OrderByDescending(o => o.activity != null ? o.activity.startDate_solar : null).ThenByDescending(o => o.up_time).ThenByDescending(o => o.order_no);
            else
                qry = qry.OrderByDescending(o => o.order_no);

            MyWeb.encrypt encrypt = new MyWeb.encrypt();
            var tdesc = publicFun.enum_desc<Model.pro_order.detailKeyin1>();
            var bedDt = _db.bed_order_detail.AsQueryable();//掛單明細

            //紀錄匯出條件
            //var list = qry.ToList();
            var list = qry.GroupJoin(
            _db.pro_order_detail, o => o.order_no, p => p.order_no, (o, c) =>
            new
            {
                //訂單資料
                order_no = o.order_no,
                up_time = o.up_time,
                keyin1 = o.keyin1,
                f_num = o.follower != null ? o.follower.u_name : "", //姓名/名稱
                phone = o.phone,
                activity_num = o.activity_num.HasValue ? o.activity.subject : "",
                address = o.address,
                demo = o.demo,
                c
            }).SelectMany(o => o.c.DefaultIfEmpty(), (o, d) => //SelectMany 展開
            new
            {
                //訂單資料
                order_no = o.order_no,
                up_time = o.up_time,
                keyin1 = o.keyin1,
                f_num = o.f_num, //姓名/名稱
                phone = o.phone,
                activity_num = o.activity_num,
                address = o.address,
                demo = o.demo,

                //訂單明細
                //使用DefaultIfEmpty 因匿名型別無法輸出NULL(無法轉換成強型別)，需特別注意Null的處理
                d_actItem_num = d == null ? "" : (d.actItem_num.HasValue ? d.actItem.subject : ""), //項目名稱
                d_category = d == null ? "" : (d.actItem_num.HasValue ? d.actItem.category.ToString() : ""),
                d_f_num = d == null ? "" : (d.f_num.HasValue ? d.follower.u_name : ""), //姓名
                d_address = d == null ? "" : d.address,
                d_from_id = d == null ? "" : (d.from_id.HasValue ? d.follower1.u_name : ""), //陽上/報恩者
                d_f_num_tablet = d == null ? "" : d.f_num_tablet,
                d_start_date = d == null ? (DateTime?)null : d.start_date, //開始日期
                d_due_date = d == null ? (DateTime?)null : d.due_date, //期滿日期
                d_extend_date = d == null ? (DateTime?)null : d.extend_date, //應續約日
                d_price = d == null ? (float?)null : d.price, //預設金額
                d_qty = d == null ? "" : (d.qty.HasValue ? d.qty.Value.ToString() : "0"), //數量
                d_writeBedQty = d == null ? 0 : bedDt.Where(b => (b.bed_order.o_detail_id.Value == d.num) && b.checkIn_date.HasValue && b.bed_kind_detail_id.HasValue).Count(), //已劃數量
                d_notBedQty = d == null ? 0 : bedDt.Where(b => b.bed_order.o_detail_id.Value == d.num && (!b.checkIn_date.HasValue || !b.bed_kind_detail_id.HasValue)).Count(), //未劃數量
                d_pay = d == null ? "" : (d.pay.HasValue ? d.pay.Value.ToString() : "0"), //已收金額
                d_pay_date = d == null ? (DateTime?)null : d.start_date, //付款期限
                d_keyin1 = d == null ? (int?)null : d.keyin1,
                d_demo = d == null ? "" : d.demo, //狀態備註
            }).ToList();

            var memoryStream = new MemoryStream();

            if (list.Count > 0)
            {
                using (var doc = SpreadsheetDocument.Create(memoryStream, SpreadsheetDocumentType.Workbook))
                {
                    var wb = doc.AddWorkbookPart();
                    wb.Workbook = new Workbook();
                    var sheets = wb.Workbook.AppendChild(new Sheets());

                    //建立第一個頁籤
                    var ws = wb.AddNewPart<WorksheetPart>();
                    ws.Worksheet = new Worksheet();
                    sheets.Append(new Sheet()
                    {
                        Id = wb.GetIdOfPart(ws),
                        SheetId = 1,
                        Name = "報名"
                    });

                    //設定欄寬
                    var cu = new Columns();
                    cu.Append(
                        new Column { Min = 1, Max = 1, Width = 15, CustomWidth = true },
                        new Column { Min = 2, Max = 4, Width = 10, CustomWidth = true },
                        new Column { Min = 5, Max = 5, Width = 15, CustomWidth = true },
                        new Column { Min = 6, Max = 8, Width = 25, CustomWidth = true },
                        new Column { Min = 9, Max = 9, Width = 15, CustomWidth = true },
                        new Column { Min = 10, Max = 10, Width = 10, CustomWidth = true },
                        new Column { Min = 11, Max = 11, Width = 25, CustomWidth = true },
                        new Column { Min = 12, Max = 16, Width = 10, CustomWidth = true },
                        new Column { Min = 17, Max = 20, Width = 10, CustomWidth = true }
                    );
                    ws.Worksheet.Append(cu);

                    //建立資料頁
                    var sd = new SheetData();
                    ws.Worksheet.AppendChild(sd);

                    //第一列資料
                    var tr = new Row();
                    tr.Append(
                        new Cell() { CellValue = new CellValue("單號"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("報名日期"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("單據狀態"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("姓名/名稱"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("聯絡電話"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("報名活動"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("收件地址"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("備註"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("項目名稱"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("姓名"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("代表地址"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("標題"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("陽上/報恩者"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("開始日期"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("期滿日期"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("應續約日"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("劃位狀態"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("預設金額"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("數量"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("小計"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("已收金額"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("未收金額"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("付款期限"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("報名狀態"), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("狀態備註"), DataType = CellValues.String }
                    );
                    sd.AppendChild(tr);



                    foreach (var item in list)
                    {
                        string midNamesResult = "";
                        string leftNamesResult = "";
                        string jsonString = item.d_f_num_tablet?.ToString() ?? "";
                        try
                        {
                            var jo = JObject.Parse(jsonString);

                            // 標題
                            var midList = jo["mid_items"]?
                                            .Select(i => (string)i["fam_name"])
                                            .Where(name => !string.IsNullOrEmpty(name))
                                            .ToList();
                            if (midList != null && midList.Any())
                            {
                                midNamesResult = string.Join(", ", midList);
                            }

                            // 陽上
                            var leftList = jo["left_items"]?
                                                .Select(i => (string)i["fam_name"])
                                                .Where(name => !string.IsNullOrEmpty(name))
                                                .ToList();
                            if (leftList != null && leftList.Any())
                            {
                                leftNamesResult = string.Join(", ", leftList);
                            }
                        }
                        catch (Exception ex)
                        {
                            System.Diagnostics.Debug.WriteLine($"JSON 解析失敗 (訂單:{item.order_no}): {ex.Message}");
                        }

                        //新增資料列
                        tr = new Row();
                        tr.Append(
                            new Cell() { CellValue = new CellValue(item.order_no), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.up_time?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(Model.pro_order.keyin1_value_to_text(item.keyin1)), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.f_num), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(encrypt.DecryptAutoKey(item.phone)), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.activity_num), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.address), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.demo), DataType = CellValues.String },

                            new Cell() { CellValue = new CellValue(item.d_actItem_num), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_f_num), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_address), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(midNamesResult), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(leftNamesResult), DataType = CellValues.String },
                            //new Cell() { CellValue = new CellValue(item.d_from_id), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_start_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_due_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_extend_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue((Val(item.d_category) == (int)Model.activity.category.Order) ? (item.d_notBedQty + "/" + item.d_writeBedQty) : ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue("$" + ValMoney(item.d_price)), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_qty), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue("$" + ValMoney(ValFloat(item.d_price) * Val(item.d_qty))), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue("$" + ValMoney(item.d_pay)), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue("$" + ValMoney(ValFloat(item.d_price) * Val(item.d_qty) - ValFloat(item.d_pay))), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_pay_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_keyin1.HasValue ? tdesc[item.d_keyin1.Value] : ""), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(item.d_demo), DataType = CellValues.String }
                            );
                        sd.AppendChild(tr);
                    }

                    //空一列
                    tr = new Row();
                    sd.AppendChild(tr);

                    //匯出資訊
                    string _data = "匯出時間 : " + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
                    _data += " " + admin.info.u_id;
                    tr = new Row();
                    tr.Append(
                            new Cell() { CellValue = new CellValue(_data), DataType = CellValues.String }
                                );
                    sd.AppendChild(tr);

                    _data = "匯出條件 : " + (!isStrNull(_query) ? _query : "-");
                    tr = new Row();
                    tr.Append(
                            new Cell() { CellValue = new CellValue(_data), DataType = CellValues.String }
                                );
                    sd.AppendChild(tr);

                    Model.admin_log admin_log = new Model.admin_log();
                    admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Order, (int)Model.admin_log.Status.Excel, admin_log.LogViewBtn(list.Select(x => x.order_no).ToList()));
                }

                HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.AddHeader("content-disposition", "attachment;  filename=報名.xlsx");
                HttpContext.Current.Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
                HttpContext.Current.Response.BinaryWrite(memoryStream.ToArray());
                HttpContext.Current.Response.End();
                
                hid_err_msg.Value = "success";
            }
            else
            {
                hid_err_msg.Value = "nodata";
            }
        }
        else if (isPrintMode)
        {
            int selYear = !string.IsNullOrEmpty(hid_print_year.Value) ? int.Parse(hid_print_year.Value) : 0;
            int selMonth = !string.IsNullOrEmpty(hid_print_month.Value) ? int.Parse(hid_print_month.Value) : 0;
            int selSeason = !string.IsNullOrEmpty(hid_print_season.Value) ? int.Parse(hid_print_season.Value) : 0;
            string selMode = !string.IsNullOrEmpty(hid_print_mode.Value) ? hid_print_mode.Value : "";
            bool chkHasAct = !string.IsNullOrEmpty(hid_chk_hasact.Value) && Convert.ToBoolean(hid_chk_hasact.Value);
            bool chkNoAct = !string.IsNullOrEmpty(hid_chk_noact.Value) && Convert.ToBoolean(hid_chk_noact.Value);
            int selAct = !string.IsNullOrEmpty(hid_select_act.Value) ? int.Parse(hid_select_act.Value) : -1;
            int selActItem = !string.IsNullOrEmpty(hid_select_actitem.Value) ? int.Parse(hid_select_actitem.Value) : -1;
            string urlParams = !string.IsNullOrEmpty(hid_qry.Value) ? hid_qry.Value : "";

            var qry = _db.pro_order.AsQueryable();

            if (selYear > 0)
                qry = qry.Where(o => o.up_time.HasValue && o.up_time.Value.Year == selYear);
            if (selMode == "mm" && selMonth > 0)
                qry = qry.Where(o => o.up_time.HasValue && o.up_time.Value.Month == selMonth);
            else if (selMode == "ss" && selSeason > 0)
            {
                if (selSeason == 1)
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 1 || o.up_time.Value.Month == 2 || o.up_time.Value.Month == 3);
                else if (selSeason == 2)
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 4 || o.up_time.Value.Month == 5 || o.up_time.Value.Month == 6);
                else if (selSeason == 3)
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 7 || o.up_time.Value.Month == 8 || o.up_time.Value.Month == 9);
                else if (selSeason == 4)
                    qry = qry.Where(o => o.up_time.HasValue)
                        .Where(o => o.up_time.Value.Month == 10 || o.up_time.Value.Month == 11 || o.up_time.Value.Month == 12);
            }

            if (chkHasAct)
            {
                if (chkNoAct)
                {
                    if (selAct >= 0)
                        qry = qry.Where(o => o.activity_num.HasValue && o.activity_num.Value == selAct);
                }
                else
                {
                    qry = qry.Where(o => o.activity_num.HasValue);
                    if (selAct >= 0)
                        qry = qry.Where(o => o.activity_num.Value == selAct);
                }
            }
            else
            {
                if (chkNoAct)
                    qry = qry.Where(o => o.activity_num == null);
            }

            if (selActItem >= 0)
            {
                qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.actItem_num.HasValue && f2.actItem_num.Value == selActItem).Count() > 0);
            }


            var count = qry.Count();
            if (count > 0)
            {
                hid_err_msg.Value = "success";

                string script = $@"var otherWin = window.open('print.aspx{urlParams}', '列印報名資料', 'noopener,noreferrer');";
                ScriptManager.RegisterStartupScript(this, GetType(), "ExecutePrint", script, true);
            }
            else
            {
                hid_err_msg.Value = "nodata";
            }
            //var qry = _db.followers.AsQueryable();
            //if (selYear > 0)
            //{
            //    urlParams += "&year=" + selYear;
            //}
            //if (selMode == "mm" && selMonth > 0)
            //{
            //    urlParams += "&month=" + selMonth;
            //}
            //else if (selMode == "ss" && selSeason > 0)
            //{
            //    urlParams += "&season=" + selSeason;
            //}

            //if (list.Count > 0)
            //{
            //    hid_err_msg.Value = "success";
            //    hid_print_year.Value = selYear.ToString();
            //    hid_print_month.Value = selMonth.ToString();
            //    hid_print_season.Value = selSeason.ToString();
            //    hid_print_mode.Value = selMode;

            //    string script = $@"window.open('print.aspx?{urlParams}&mode={selMode}', '列印信眾資料');";
            //    ScriptManager.RegisterStartupScript(this, GetType(), "ExecutePrint", script, true);
            //}
            //else
            //{
            //    hid_err_msg.Value = "nodata";
            //    string script = $@"
            //        var win = window.open('', '列印信眾資料'); 
            //        if (win) win.close()";

            //    ScriptManager.RegisterStartupScript(this, GetType(), "CancelPrint", script, true);
            //}
        }
    }


    protected void excel_Click(object sender, EventArgs e)
    {

        var memoryStream = new MemoryStream();
        using (var doc = SpreadsheetDocument.Create(memoryStream, SpreadsheetDocumentType.Workbook))
        {
            var wb = doc.AddWorkbookPart();
            wb.Workbook = new Workbook();
            var sheets = wb.Workbook.AppendChild(new Sheets());

            //建立第一個頁籤
            var ws = wb.AddNewPart<WorksheetPart>();
            ws.Worksheet = new Worksheet();
            sheets.Append(new Sheet()
            {
                Id = wb.GetIdOfPart(ws),
                SheetId = 1,
                Name = "報名"
            });

            //設定欄寬
            var cu = new Columns();
            cu.Append(
                new Column { Min = 1, Max = 1, Width = 15, CustomWidth = true },
                new Column { Min = 2, Max = 4, Width = 10, CustomWidth = true },
                new Column { Min = 5, Max = 5, Width = 15, CustomWidth = true },
                new Column { Min = 6, Max = 8, Width = 25, CustomWidth = true },
                new Column { Min = 9, Max = 9, Width = 15, CustomWidth = true },
                new Column { Min = 10, Max = 10, Width = 10, CustomWidth = true },
                new Column { Min = 11, Max = 11, Width = 25, CustomWidth = true },
                new Column { Min = 12, Max = 16, Width = 10, CustomWidth = true },
                new Column { Min = 17, Max = 20, Width = 10, CustomWidth = true }
            );
            ws.Worksheet.Append(cu);

            //建立資料頁
            var sd = new SheetData();
            ws.Worksheet.AppendChild(sd);

            //第一列資料
            var tr = new Row();
            tr.Append(
                new Cell() { CellValue = new CellValue("單號"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("報名日期"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("單據狀態"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("姓名/名稱"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("聯絡電話"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("報名活動"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("收件地址"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("備註"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("項目名稱"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("姓名"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("代表地址"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("標題"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("陽上/報恩者"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("開始日期"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("期滿日期"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("應續約日"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("劃位狀態"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("預設金額"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("數量"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("小計"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("已收金額"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("未收金額"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("付款期限"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("報名狀態"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("狀態備註"), DataType = CellValues.String }
            );
            sd.AppendChild(tr);

            //查詢要匯出的資料
            // ❌ 錯誤寫法: var aIDt = _db.actItems.Where(f => f.subject.Contains(s_actItemTxt.Value.Trim())).Select(f => f.num.ToString());
            // 改為整數陣列，避免後續查詢中使用 .ToString()
            var aIDt = _db.actItems.Where(f => f.subject.Contains(s_actItemTxt.Value.Trim())).Select(f => f.num).ToArray();//品項
            var qry = _db.pro_order.AsQueryable();
            string _query = "";     // 紀錄匯出條件

            if (!isStrNull(s_order_no.Value))
            {
                _query += "單號:" + s_order_no.Value + "\n";
                qry = qry.Where(o => o.order_no.Contains(s_order_no.Value.Trim()));
            }
            if (!isStrNull(s_u_name.Value))
            {
                _query += "姓名/名稱:" + s_u_name.Value + "\n";
                qry = qry.Where(o => o.f_num.HasValue && o.follower.u_name.Contains(s_u_name.Value.Trim()));
            }
            if (!isStrNull(s_introducerTxt.Value))
            {
                _query += "介紹人:" + s_introducerTxt.Value + "\n";
                qry = qry.Where(o => o.f_num.HasValue && o.follower1.u_name.Contains(s_introducerTxt.Value.Trim()));
            }
            if (!isStrNull(s_subject.Value))
            {
                _query += "報名活動:" + s_subject.Value + "\n";
                qry = qry.Where(o => o.activity_num.HasValue && o.activity.subject.Contains(s_subject.Value.Trim()));
            }
            if (!isStrNull(s_actItemTxt.Value))
            {
                // ❌ 錯誤寫法: qry = qry.Where(o => o.pro_order_detail.Where(f2 => f2.order_no == o.order_no && aIDt.ToArray().Contains(f2.actItem_num.ToString())).Count() > 0);
                // ✅ 實際比較：僅在 actItem_num 有值時才與整數陣列比對
                _query += "品項:" + s_actItemTxt.Value + "\n";
                qry = qry.Where(o => o.pro_order_detail.Any(f2 =>
                    f2.order_no == o.order_no &&
                    f2.actItem_num.HasValue &&
                    aIDt.Contains(f2.actItem_num.Value)));
            }
            if (!isStrNull(s_keyin1.SelectedValue))
            {
                _query += $"單據狀態:{Model.pro_order.keyin1_value_to_text(s_keyin1.SelectedValue)}\n";
                qry = qry.Where(o => o.keyin1 == s_keyin1.SelectedValue);
            }

            if (!isStrNull(s_up_time1.Value) && isDate(s_up_time1.Value))
            {
                _query += "報名日期(起):" + s_up_time1.Value.Trim() + "\n";
                var tmp_s_up_time1 = ValDate(s_up_time1.Value);
                qry = qry.Where(o => o.up_time >= tmp_s_up_time1);
            }
            if (!isStrNull(s_up_time2.Value) && isDate(s_up_time2.Value))
            {
                _query += "報名日期(訖):" + s_up_time2.Value.Trim() + "\n";
                var tmp_s_up_time2 = Convert.ToDateTime(s_up_time2.Value).AddDays(1);
                qry = qry.Where(o => o.up_time < tmp_s_up_time2);
            }

            qry = qry.OrderByDescending(o => o.reg_time);

            MyWeb.encrypt encrypt = new MyWeb.encrypt();
            var tdesc = publicFun.enum_desc<Model.pro_order.detailKeyin1>();

            var bedDt = _db.bed_order_detail.AsQueryable();//掛單明細


            //left join 使用 GroupJoin
            //var list = qry.Join
            var list = qry.GroupJoin(
                _db.pro_order_detail, o => o.order_no, p => p.order_no, (o, c) =>
                new
                {
                    //訂單資料
                    order_no = o.order_no,
                    up_time = o.up_time,
                    keyin1 = o.keyin1,
                    f_num = o.follower != null ? o.follower.u_name : "", //姓名/名稱
                    phone = o.phone,
                    activity_num = o.activity_num.HasValue ? o.activity.subject : "",
                    address = o.address,
                    demo = o.demo,
                    c
                }).SelectMany(o => o.c.DefaultIfEmpty(), (o, d) => //SelectMany 展開
                new
                {
                    //訂單資料
                    order_no = o.order_no,
                    up_time = o.up_time,
                    keyin1 = o.keyin1,
                    f_num = o.f_num, //姓名/名稱
                    phone = o.phone,
                    activity_num = o.activity_num,
                    address = o.address,
                    demo = o.demo,

                    //訂單明細
                    //使用DefaultIfEmpty 因匿名型別無法輸出NULL(無法轉換成強型別)，需特別注意Null的處理
                    d_actItem_num = d == null ? "" : (d.actItem_num.HasValue ? d.actItem.subject : ""), //項目名稱
                    d_category = d == null ? "" : (d.actItem_num.HasValue ? d.actItem.category.ToString() : ""),
                    d_f_num = d == null ? "" : (d.f_num.HasValue ? d.follower.u_name : ""), //姓名
                    d_address = d == null ? "" : d.address,
                    d_from_id = d == null ? "" : (d.from_id.HasValue ? d.follower1.u_name : ""), //陽上/報恩者
                    d_f_num_tablet = d == null ? "" : d.f_num_tablet,
                    d_start_date = d == null ? (DateTime?)null : d.start_date, //開始日期
                    d_due_date = d == null ? (DateTime?)null : d.due_date, //期滿日期
                    d_extend_date = d == null ? (DateTime?)null : d.extend_date, //應續約日
                    d_price = d == null ? (float?)null : d.price, //預設金額
                    d_qty = d == null ? "" : (d.qty.HasValue ? d.qty.Value.ToString() : "0"), //數量
                    d_writeBedQty = d == null ? 0 : bedDt.Where(b => (b.bed_order.o_detail_id.Value == d.num) && b.checkIn_date.HasValue && b.bed_kind_detail_id.HasValue).Count(), //已劃數量
                    d_notBedQty = d == null ? 0 : bedDt.Where(b => b.bed_order.o_detail_id.Value == d.num && (!b.checkIn_date.HasValue || !b.bed_kind_detail_id.HasValue)).Count(), //未劃數量
                    d_pay = d == null ? "" : (d.pay.HasValue ? d.pay.Value.ToString() : "0"), //已收金額
                    d_pay_date = d == null ? (DateTime?)null : d.start_date, //付款期限
                    d_keyin1 = d == null ? (int?)null : d.keyin1,
                    d_demo = d == null ? "" : d.demo, //狀態備註
                }).ToList();




            //也可使用查詢式
            //try
            ////{
            //    var listQ = from o in qry
            //              join p in _db.pro_order_detail
            //              on new
            //              {
            //                  order_no = o.order_no,
            //              } equals
            //                 new { p.order_no }
            //              into subGrp  //into ==
            //              from d in subGrp.DefaultIfEmpty()
            //              select new
            //              {
            //                  //訂單資料
            //                  order_no = o.order_no,
            //                  up_time = o.up_time,          
            //                  f_num = o.follower.u_name, //姓名/名稱
            //                ...

            //                  //訂單明細
            //                  //使用DefaultIfEmpty 因匿名型別無法輸出NULL(無法轉換成強型別)，需特別注意Null的處理
            //                  d_actItem_num = d == null? "" :(d.actItem_num.HasValue ? d.actItem.subject : ""), //項目名稱
            //                  d_f_num = d == null ? "" :( d.f_num.HasValue ? d.follower.u_name : ""), //姓名
            //              ...
            //              };
            //    var list = listQ.ToList();



            //}
            //catch (Exception ex)
            //{
            //    Response.Write(ex.Message);
            //}


            if (list.Count > 0)
            {
                foreach (var item in list)
                {
                    string midNamesResult = "";
                    string leftNamesResult = "";
                    string jsonString = item.d_f_num_tablet?.ToString() ?? "";
                    try
                    {
                        var jo = JObject.Parse(jsonString);

                        // 標題
                        var midList = jo["mid_items"]?
                                        .Select(i => (string)i["fam_name"])
                                        .Where(name => !string.IsNullOrEmpty(name))
                                        .ToList();
                        if (midList != null && midList.Any())
                        {
                            midNamesResult = string.Join(", ", midList);
                        }

                        // 陽上
                        var leftList = jo["left_items"]?
                                         .Select(i => (string)i["fam_name"])
                                         .Where(name => !string.IsNullOrEmpty(name))
                                         .ToList();
                        if (leftList != null && leftList.Any())
                        {
                            leftNamesResult = string.Join(", ", leftList);
                        }
                    }
                    catch (Exception ex)
                    {
                        System.Diagnostics.Debug.WriteLine($"JSON 解析失敗 (訂單:{item.order_no}): {ex.Message}");
                    }

                    //新增資料列
                    tr = new Row();
                    tr.Append(
                        new Cell() { CellValue = new CellValue(item.order_no), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.up_time?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(Model.pro_order.keyin1_value_to_text(item.keyin1)), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.f_num), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(encrypt.DecryptAutoKey(item.phone)), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.activity_num), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.address), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.demo), DataType = CellValues.String },

                        new Cell() { CellValue = new CellValue(item.d_actItem_num), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_f_num), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_address), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(midNamesResult), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(leftNamesResult), DataType = CellValues.String },
                        //new Cell() { CellValue = new CellValue(item.d_from_id), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_start_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_due_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_extend_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue((Val(item.d_category) == (int)Model.activity.category.Order) ? (item.d_notBedQty + "/" + item.d_writeBedQty) : ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("$" + ValMoney(item.d_price)), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_qty), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("$" + ValMoney(ValFloat(item.d_price) * Val(item.d_qty))), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("$" + ValMoney(item.d_pay)), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue("$" + ValMoney(ValFloat(item.d_price) * Val(item.d_qty) - ValFloat(item.d_pay))), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_pay_date?.ToString("yyyy/MM/dd") ?? ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_keyin1.HasValue ? tdesc[item.d_keyin1.Value] : ""), DataType = CellValues.String },
                        new Cell() { CellValue = new CellValue(item.d_demo), DataType = CellValues.String }
                        );
                    sd.AppendChild(tr);
                }

                //空一列
                tr = new Row();
                sd.AppendChild(tr);

                //匯出資訊
                string _data = "匯出時間 : " + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
                _data += " " + admin.info.u_id;
                tr = new Row();
                tr.Append(
                        new Cell() { CellValue = new CellValue(_data), DataType = CellValues.String }
                            );
                sd.AppendChild(tr);

                _data = "匯出條件 : " + (!isStrNull(_query) ? _query : "-");
                tr = new Row();
                tr.Append(
                        new Cell() { CellValue = new CellValue(_data), DataType = CellValues.String }
                            );
                sd.AppendChild(tr);

                Model.admin_log admin_log = new Model.admin_log();
                admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Order, (int)Model.admin_log.Status.Excel, admin_log.LogViewBtn(list.Select(x => x.order_no).ToList()));


                // 合并具有相同单号的行
                //string orderNumber = "";
                //int startRow = 1;
                //int endRow = 1;
                //int nowRow = 1;
                //foreach (var kvp in list)
                //{                    
                //    if(orderNumber == ""  || orderNumber != kvp.order_no)
                //    {
                //        orderNumber = kvp.order_no;
                //        int _count = list.Where(x => x.order_no == orderNumber).Count();
                //        if (_count > 1)
                //        {
                //            endRow += _count;

                //            var mergeCells = new MergeCells();
                //            string startCellReference = GetCellReference(1, startRow);
                //            string endCellReference = GetCellReference(1, endRow);
                //            if (startCellReference != endCellReference)
                //                mergeCells.Append(new MergeCell() { Reference = new StringValue($"{startCellReference}:{endCellReference}") });

                //        }
                //        startRow += _count;
                //        endRow = startRow;
                //    }
                //    else
                //    {
                //        startRow ++;
                //        endRow = startRow;
                //    }
                //    nowRow++;
                //}

            }

        }

        HttpContext.Current.Response.Clear();
        HttpContext.Current.Response.AddHeader("content-disposition", "attachment;  filename=報名.xlsx");
        HttpContext.Current.Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
        HttpContext.Current.Response.BinaryWrite(memoryStream.ToArray());
        HttpContext.Current.Response.End();


    }

    private string GetCellReference(int column, int row)
    {
        int dividend = column;
        string cellReference = string.Empty;

        while (dividend > 0)
        {
            int modulo = (dividend - 1) % 26;
            char columnChar = (char)('A' + modulo);
            cellReference = columnChar + cellReference;
            dividend = (dividend - modulo) / 26;
        }

        return cellReference + row.ToString();
    }
    #endregion


}