using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.IO;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Spreadsheet;
using System.Linq;

public partial class admin_user_group_show : MyWeb.config
{
    private Model.ezEntities _db = new Model.ezEntities();
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {
            ObjectDataSource1.SelectParameters["TableName_val"].DefaultValue = "[admin_group]";
            ObjectDataSource1.SelectParameters["ColumnName_val"].DefaultValue = "*";
            ObjectDataSource1.SelectParameters["OrderColumn_val"].DefaultValue = "g_name";
            if (admin.info.group != "EZ")
            {
                ObjectDataSource1.SelectParameters["Where_val"].DefaultValue = "g_name<>'EZ' and g_name<>'A'";
            }

            //判斷修改完成後，是否有傳「頁數」的值回來
            if (!isStrNull(Request["page"]))
            {
                if (Session["search1"] != null)
                {
                    ObjectDataSource1.SelectParameters["Where_val"].DefaultValue = ValString(Session["search1"]);
                }
                GridView1.PageIndex = Convert.ToInt32(Request["page"]);
            }
            else
            {
                Session["s_msg"] = null;
                Session["search1"] = null;
                Session["search2"] = null;
            }
        }
        else
        {
            if (Session["search1"] != null)
            {
                ObjectDataSource1.SelectParameters["Where_val"].DefaultValue = ValString(Session["search1"]);
            }
        }

        if (Session["s_msg"] != null)
        {
            //L_msg.Text = Session["s_msg"].ToString();
        }
        else
        {
            //L_msg.Text = "";
        }

    }



    #region GridView相關

    protected void ObjectDataSource1_Selected(object sender, ObjectDataSourceStatusEventArgs e)
    {
        if (e.Exception != null)
        {
            e.ExceptionHandled = true;
            Response.Write(e.Exception.Message);
        }
        GridViewRow gvrPagerRow = GridView1.BottomPagerRow;
    }

    protected void GridView1_DataBound(object sender, System.EventArgs e)
    {
        if (GridView1.Rows.Count == 0 & GridView1.PageCount > 0)
        {
            GridView1.DataBind();
            // 若有查到一筆以上的資料
        }
        else if (GridView1.PageCount > 0)
        {

            GridView1.BottomPagerRow.Visible = true;

            //在pagertemplate裡的控制項中寫入值
            GridViewRow pagerRow = GridView1.BottomPagerRow;
            DropDownList pageList = (DropDownList)pagerRow.Cells[0].FindControl("PageDropDownList");
            Label pageLabel = (Label)pagerRow.Cells[0].FindControl("CurrentPageLabel");



            if ((pageList != null))
            {
                int i = 0;

                for (i = 0; i <= GridView1.PageCount - 1; i++)
                {
                    int pageNumber = i + 1;
                    ListItem item = new ListItem(pageNumber.ToString());

                    if (i == GridView1.PageIndex)
                    {
                        item.Selected = true;
                    }

                    pageList.Items.Add(item);

                }

            }

            if (Session["s_RecordTotalCount"] != null)
            {
                ((Label)pagerRow.Cells[0].FindControl("total_count")).Text = "資料總數：<span class='text-primary'>" + Session["s_RecordTotalCount"] + "</span>";
                //取自 App_Code/Cus_GetSQL.vb 的 Session
            }

            if ((pageLabel != null))
            {
                // 取得正確頁數及更新目前頁次
                int currentPage = GridView1.PageIndex + 1;
                pageLabel.Text = "目前頁數：<span class='text-primary'>" + currentPage.ToString() + "</span> / " + GridView1.PageCount.ToString() + "";

                if (currentPage <= 1)
                {
                    ((LinkButton)pagerRow.Cells[0].FindControl("FirstButton")).Visible = false;
                    ((LinkButton)pagerRow.Cells[0].FindControl("PreviousButton")).Visible = false;
                }
                if (currentPage >= GridView1.PageCount)
                {
                    ((LinkButton)pagerRow.Cells[0].FindControl("NextButton")).Visible = false;
                    ((LinkButton)pagerRow.Cells[0].FindControl("LastButton")).Visible = false;
                }

            }
        }
        else
        {
            L_msg.Type = alert_type.warning;
            L_msg.Text = "找不到符合條件資料！";
        }
    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {


        }
    }

    protected void PageDropDownList_SelectedIndexChanged(object sender, EventArgs e)
    {
        GridViewRow pagerRow = GridView1.BottomPagerRow;
        DropDownList pageList = (DropDownList)pagerRow.Cells[0].FindControl("PageDropDownList");
        GridView1.PageIndex = pageList.SelectedIndex;
    }

    #endregion

    #region 條件搜尋

    protected void Button1_Click(object sender, EventArgs e)
    {

        Session["search1"] = null;
        Session["s_msg"] = null;
        string s_msg = null; this.L_msg.Text = "";

        ArrayList fs = new ArrayList();

        if (admin.info.group != "EZ")
        {
            fs.Add("g_name<>'EZ' and g_name<>'A'");
        }
        if (search1.Text.Trim() != "")
        {
            fs.Add("CHARINDEX(N'" + search1.Text.Trim() + "',g_name)>0");
            s_msg += "群組代號 =【" + search1.Text.Trim() + "】";
        }
        if (search2.Text.Trim() != "")
        {
            fs.Add("CHARINDEX(N'" + search2.Text.Trim() + "',demo)>0");
            s_msg += "群組名稱 =【" + search2.Text.Trim() + "】";
        }
        if (s_msg != null)
        {
            Session["s_msg"] = "<strong>搜尋條件：</strong>" + s_msg;
            //L_msg.Text = Session["s_msg"].ToString();

            Cus_SQL.SQL_Array find_str = new Cus_SQL.SQL_Array();
            Session["search1"] = find_str.sql_str(fs);
            ObjectDataSource1.SelectParameters["Where_val"].DefaultValue = ValString(Session["search1"]);

            if (GridView1.PageCount > 0)
            {
                GridView1.PageIndex = 0;
            }
        }
        else
        {
            Response.Redirect(Request.Url.AbsolutePath);
        }

    }

    protected void Button_All_Click(object sender, EventArgs e)
    {
        Response.Redirect(Request.Url.AbsolutePath);
    }

    #endregion

    #region 刪除


    protected void DelButton_Click(object sender, EventArgs e)
    {
        LinkButton DelButton = (LinkButton)sender;
        GridViewRow oRow = (GridViewRow)DelButton.NamingContainer;
        int iRowIndex = oRow.RowIndex;
        string strID = Convert.ToString(GridView1.DataKeys[iRowIndex].Values[0]);  //取得主索引(g_name)編號
        start_del_data(strID);


        Literal UserName = (Literal)oRow.FindControl("UserName");
        Model.admin_log admin_log = new Model.admin_log();
        admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Power, (int)Model.admin_log.Status.Delete, "群組：" + UserName.Text);

        GridView1.DataBind();
    }

    protected void del_all_Click(object sender, EventArgs e)
    {
        List<string> x = new List<string>();
        for (int i = GridView1.Rows.Count - 1; i >= 0; i--)
        {
            CheckBox oCheckBox = (CheckBox)GridView1.Rows[i].Cells[GridView1.Columns.Count - 1].FindControl("chkSelect1");
            Literal UserName = (Literal)GridView1.Rows[i].Cells[GridView1.Columns.Count - 1].FindControl("UserName");
            if (oCheckBox.Checked)
            {
                x.Add(UserName.Text);
                start_del_data(Convert.ToString(GridView1.DataKeys[i].Values[0]));
            }
        }
        Model.admin_log admin_log = new Model.admin_log();
        admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Power, (int)Model.admin_log.Status.Delete, "群組：" + admin_log.LogViewBtn(x));

        GridView1.DataBind();
    }

    public void start_del_data(string num)
    {

        var prod = _db.admin_group.AsEnumerable().Where(q => q.g_name == num).FirstOrDefault(); //刪除該筆資料
        if (prod != null)
        {
            _db.admin_group.Remove(prod);
            _db.SaveChanges(); //執行
        }
        //    MyWeb.sql sql = new MyWeb.sql();
        //OleDbConnection sqlConn = sql.conn(db, p_name);
        //try
        //{
        //    sqlConn.Open();
        //    OleDbCommand sqlCmd = new OleDbCommand("", sqlConn);
        //    sqlCmd.CommandText = "Delete from admin_group Where g_name=?";
        //    sqlCmd.Parameters.Add(new OleDbParameter("g_name", num));
        //    sqlCmd.ExecuteNonQuery();
        //}
        //catch (Exception ex)
        //{
        //    Response.Write(ex.Message);
        //}
        //finally
        //{
        //    sqlConn.Close(); sqlConn.Dispose();
        //}
    }

    #endregion

    #region 匯出Excel

    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 = "群組資料"
            });

            //設定欄寬
            var cu = new Columns();
            cu.Append(
                new Column { Min = 1, Max = 1, Width = 10, CustomWidth = true },
                new Column { Min = 2, Max = 2, Width = 15, 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("群組代號"), DataType = CellValues.String },
                new Cell() { CellValue = new CellValue("群組名稱"), DataType = CellValues.String }
            );
            sd.AppendChild(tr);

            //查詢要匯出的資料
            string table = ObjectDataSource1.SelectParameters["TableName_val"].DefaultValue;
            string column = ObjectDataSource1.SelectParameters["ColumnName_val"].DefaultValue;
            string sort = ObjectDataSource1.SelectParameters["OrderColumn_val"].DefaultValue;
            string query = ObjectDataSource1.SelectParameters["Where_val"].DefaultValue;

            MyWeb.sql sql = new MyWeb.sql();
            OleDbConnection sqlConn = sql.conn(db, p_name);
            try
            {
                sqlConn.Open();
                OleDbCommand sqlCmd = new OleDbCommand("", sqlConn);
                sqlCmd.CommandText = "SELECT " + column + " FROM " + table;
                if (!isStrNull(query)) { sqlCmd.CommandText += " where " + query; }
                sqlCmd.CommandText += " order by  " + sort;
                DataTable dt = sql.dataTable(sqlCmd);
                if (dt.Rows.Count > 0)
                {
                    List<string> x = new List<string>();
                    foreach (DataRow row in dt.Rows)
                    {
                        //新增資料列
                        tr = new Row();
                        tr.Append(
                            new Cell() { CellValue = new CellValue(ValString(row["g_name"])), DataType = CellValues.String },
                            new Cell() { CellValue = new CellValue(ValString(row["demo"])), DataType = CellValues.String }
                        );
                        sd.AppendChild(tr);

                        x.Add(ValString(row["g_name"]));
                    }

                    Model.admin_log admin_log = new Model.admin_log();
                    admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.Power, (int)Model.admin_log.Status.Excel, "群組："+ admin_log.LogViewBtn(x));

                }
            }
            catch (Exception ex)
            {
                //Response.Write(ex.Message);
            }
            finally
            {
                sqlConn.Close();
                sqlConn.Dispose();
            }

            //儲存文件(如果有要儲實體的檔案在upload才需要)
            //wb.Workbook.Save(); 
        }

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

    #endregion

}