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 System.Linq;
using System.Globalization;

public partial class admin_news_news_reg : MyWeb.config
{
    private Model.ezEntities _db = new Model.ezEntities();

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (isStrNull(Request["num"]))
            {
                uptime.Text = DateTime.Now.ToString("yyyy-MM-dd");
                addNewRow();
            }
            else
            {
                int _num = Val(Request["num"]);
                var qry = _db.news.AsEnumerable();
                //var prod = _db.news.Where(q => q.num == _num).ToList();
                var prod = qry.Where(q => q.num == _num).FirstOrDefault();

                if (prod != null)
                {
                    subject.Text = prod.subject;
                    if (prod.kind.HasValue)
                    {
                        kind_txt.Value = prod.news_kind.kind.ToString();
                        kind.Value = prod.kind.ToString();
                    }
                    status.SelectedValue = prod.status;
                    topping.Checked = ValString(prod.topping).Equals("Y");

                    if (prod.selltime1.HasValue)
                    {
                        start_day.Text = prod.selltime1.Value.ToString("yyyy-MM-dd");
                    }
                    if (prod.selltime2.HasValue)
                    {
                        end_day.Text = prod.selltime2.Value.ToString("yyyy-MM-dd");
                    }
                    if (prod.uptime.HasValue)
                    {
                        uptime.Text = prod.uptime.Value.ToString("yyyy-MM-dd");
                    }
                    if (prod.author.HasValue)
                        author.Text = prod.admin.u_name;

                    if (prod.activity_num.HasValue)
                    {
                        activity_num_txt.Value = prod.activity.subject.ToString();
                        activity_num.Value = prod.activity_num.ToString();
                    }


                    word.Text = prod.word;
                    demo.Text = prod.demo;

                    initNewsFiles(_num);
                    addNewRow();

                    edit.Visible = true;
                    goback.Visible = true;
                    add.Visible = false;

                }
                else
                {
                    Response.Redirect("index.aspx");
                }
           
            }

        }
    }

    protected void goback_Click(object sender, EventArgs e)
    {
        Response.Redirect("index.aspx?page=" + Convert.ToString(Request["page"]));
    }


    #region 資料新增

    protected void add_Click(object sender, EventArgs e)
    {
        if (Page.IsValid) {
            L_msg.Text = "";

            MyWeb.fileSystem fileSystem = new MyWeb.fileSystem();
            string[] pic_name2 = { };
            string[] pic_type = { };
            string[] pic_name = fileSystem.UploadNewsFile(Model.news.Dir, 800, admin.info.num, ref pic_name2, ref pic_type);  //縮圖的寬高不得超過800象素，如果不是圖片也會傳       


            Model.news news = new Model.news();//新增
            news.subject = subject.Text;
            if (!isStrNull(kind.Value)) { news.kind = Val(kind.Value); }
            if (!isStrNull(start_day.Text)) { news.selltime1 = ValDate(start_day.Text); } else { news.selltime1 = null; }
            if (!isStrNull(end_day.Text)) { news.selltime2 = ValDate(end_day.Text); } else { news.selltime2 = null; }
            news.word = word.Text;
            news.demo = demo.Text;
            if (!isStrNull(uptime.Text)) { news.uptime = ValDate(uptime.Text); }
            if (admin.info.num > 0) { news.author = admin.info.num; } else { news.author =null; }              
            if (!isStrNull(status.SelectedValue)) { news.status = status.SelectedValue; }
            news.topping = topping.Checked ? "Y" : "N";
            if (!isStrNull(activity_num.Value)) { news.activity_num = Val(activity_num.Value); }



            _db.news.Add(news);
            _db.SaveChanges();
            int _id = news.num;
            if( _id > 0)
            {              
                //檔案上傳
                if( SaveFiles(_id, pic_name, pic_name2, pic_type))
                {
                    Model.admin_log admin_log = new Model.admin_log();
                    admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.News, (int)Model.admin_log.Status.Insert, subject.Text);
                    Response.Redirect("index.aspx");
                }
                    
            }
            else
            {
                L_msg.Type = alert_type.danger;
                L_msg.Text = "Error";
            }
            //using (Model.ezEntities _db = new Model.ezEntities())
            //{

            //}


        }       
    }

    #endregion

    #region 資料修改

    protected void edit_Click(object sender, EventArgs e)
    {
        if (Page.IsValid)
        {
            L_msg.Text = "";
            MyWeb.fileSystem fileSystem = new MyWeb.fileSystem();
            string[] pic_name2 = { };
            string[] pic_type = { };
            string[] pic_name = fileSystem.UploadNewsFile(Model.news.Dir, 800,admin.info.num, ref pic_name2, ref pic_type);  //縮圖的寬高不得超過800象素，如果不是圖片也會傳       
            int _num = Val(Request["num"]);
            Model.news news = _db.news.Where(q => q.num == _num).FirstOrDefault();//修改
            if (news != null)
            {
                news.subject = subject.Text;
                if (!isStrNull(kind.Value)) { news.kind = Val(kind.Value); }
                if (!isStrNull(start_day.Text)) { news.selltime1 = ValDate(start_day.Text); } else { news.selltime1 = null; }
                if (!isStrNull(end_day.Text)) { news.selltime2 = ValDate(end_day.Text); } else { news.selltime2 = null; }
                news.word = word.Text;
                news.demo = demo.Text;
                if (!isStrNull(uptime.Text)) { news.uptime = ValDate(uptime.Text); }
                if (admin.info.num > 0) { news.author = admin.info.num; }
                if (!isStrNull(status.SelectedValue)) { news.status = status.SelectedValue; }
                if (admin.info.num > 0) { news.author = admin.info.num; } else { news.author = null; }
                news.topping = topping.Checked ? "Y" : "N";
                if (!isStrNull(activity_num.Value)) { news.activity_num = Val(activity_num.Value); }


                _db.SaveChanges();
                //檔案
                if (SaveFiles(Val(Request["num"]), pic_name, pic_name2, pic_type))
                {
                    Model.admin_log admin_log = new Model.admin_log();
                    admin_log.writeLog(admin.info.u_id, (int)Model.admin_log.Systems.News, (int)Model.admin_log.Status.Update, subject.Text);
                    Response.Redirect("index.aspx?page=" + Convert.ToString(Request["page"]));

                }

            }
            else
            {
                L_msg.Type = alert_type.danger;
                L_msg.Text = "查無資料";
            }

         
        }    
    }

    #endregion

    #region 檔案管理

    #region 儲存
    //public void SaveFiles(int news_id, string[] pic_name , string[] _pic_name2 , string[] _pic_type)
    //{
    //    DataTable picDt = new DataTable();  

    //    IEnumerable<DataRow> queryFiles = (IEnumerable<DataRow>)from dTc in _db.news_files.AsEnumerable() where dTc.news_id == news_id select dTc;
    //    //  int  aa = queryTeacher.Count<DataRow>(); //Count=1
    //    if (queryFiles.Count<DataRow>() > 0) { picDt = queryFiles.CopyToDataTable<DataRow>(); }

    //    if (picDt.Rows.Count > 0)
    //    {

    //    }
    //    //處理本次更新的檔案
    //    MyWeb.fileSystem fileSystem = new MyWeb.fileSystem();
    //    List<string> nums = new List<string>();

    //    DataTable dt = GetFileRows();
    //    if (dt.Rows.Count > 0)
    //    {
    //        int p = 1;
    //        foreach (DataRow row in dt.Rows)
    //        {
    //            bool _change = false;
    //            string orgPic = GiftOrgPic(ValString(row["num"]), ref picDt);
    //            if (!isStrNull(pic_name[p]))
    //            {
    //                if (!isStrNull(orgPic)) { fileSystem.Delete(MyWeb.news.Dir + "/" + orgPic); }
    //                _change = true;
    //            }
    //            else
    //            {
    //                pic_name[p] = orgPic;
    //            }

    //            Model.news_files ff = _db.news_files.Where(q => q.news_id == news_id && q.num == ValString(row["num"]) ).FirstOrDefault();//修改
    //            if (ff != null)
    //            {
    //                ff.pic1 = pic_name[p];
    //                if (_change)
    //                {
    //                    ff.reg_time = DateTime.Now;
    //                    ff.pic_name = _pic_name2[p];
    //                    ff.pic_type = _pic_type[p];
    //                }

    //                _db.SaveChanges();
    //            }
    //            else
    //            {
    //                if (!isStrNull(pic_name[p]))
    //                {
    //                    Model.news_files ffNew = new Model.news_files();
    //                    ffNew.num= ValString(row["num"]);
    //                    ffNew.pic1 = pic_name[p];
    //                    ffNew.news_id = news_id;
    //                    ffNew.pic_name = _pic_name2[p];
    //                    ffNew.pic_type = _pic_type[p];
    //                    _db.news_files.Add(ffNew);
    //                    _db.SaveChanges();
    //                }                            
    //            }

    //            p++;
    //        }
    //    }

    //    if (picDt.Rows.Count > 0)
    //    {
    //        foreach (DataRow row in picDt.Rows)
    //        {
    //            //刪掉不要的檔案
    //            var prod = _db.news_files.AsEnumerable().Where(q => q.news_id == news_id && q.num == ValString(row["num"])).FirstOrDefault(); //刪除該筆資料
    //            if (prod != null)
    //            {
    //                _db.news_files.Remove(prod);
    //                _db.SaveChanges(); //執行
    //            }

    //            if (!isStrNull(row["pic1"])) { fileSystem.Delete(MyWeb.news.Dir + "/" + ValString(row["pic1"])); }
    //        }
    //    }


    //}
    public bool SaveFiles(int news_id, string[] pic_name, string[] _pic_name2, string[] _pic_type)
    {

        bool success = true;

        MyWeb.sql sql = new MyWeb.sql();
        OleDbConnection sqlConn = sql.conn(db, p_name);
        try
        {
            sqlConn.Open();

            //載入原有的檔案
            OleDbCommand sqlCmd = new OleDbCommand("", sqlConn);
            sqlCmd.CommandText = "select [num],pic1 from [news_files] where news_id=? order by [num]";
            sqlCmd.Parameters.Add(new OleDbParameter("news_id", news_id));
            DataTable picDt = sql.dataTable(sqlCmd);

            //處理本次更新的檔案
            MyWeb.fileSystem fileSystem = new MyWeb.fileSystem();
            List<string> nums = new List<string>();

            DataTable dt = GetFileRows();
            if (dt.Rows.Count > 0)
            {
                int p = 1;
                foreach (DataRow row in dt.Rows)
                {
                    bool _change = false;
                    string orgPic = GiftOrgPic(ValString(row["num"]), ref picDt);
                    if (!isStrNull(pic_name[p]))
                    {
                        if (!isStrNull(orgPic)) { fileSystem.Delete(Model.news.Dir + "/" + orgPic); }
                        _change = true;
                    }
                    else
                    {
                        pic_name[p] = orgPic;
                    }

                    sqlCmd = new OleDbCommand("", sqlConn);
                    sqlCmd.CommandText = "UPDATE [news_files] SET pic1=?" + (_change ? ",reg_time=?,pic_name=?,pic_type=?" : "") + " WHERE news_id=? and num=? ";
                    if (!isStrNull(pic_name[p]))
                    {
                        sqlCmd.CommandText += " IF @@ROWCOUNT = 0 ";
                        sqlCmd.CommandText += "INSERT INTO [news_files] (num,pic1,news_id,pic_name,pic_type) VALUES (?,?,?,?,?)";
                    }

                    sqlCmd.Parameters.Add(new OleDbParameter("pic1", pic_name[p]));
                    if (_change)
                    {
                        sqlCmd.Parameters.Add(new OleDbParameter("reg_time", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")));
                        sqlCmd.Parameters.Add(new OleDbParameter("pic_name", _pic_name2[p]));
                        sqlCmd.Parameters.Add(new OleDbParameter("pic_type", _pic_type[p]));
                    }
                    sqlCmd.Parameters.Add(new OleDbParameter("news_id", news_id));
                    sqlCmd.Parameters.Add(new OleDbParameter("num", ValString(row["num"])));
                    if (!isStrNull(pic_name[p]))
                    {
                        sqlCmd.Parameters.Add(new OleDbParameter("num", ValString(row["num"])));
                        sqlCmd.Parameters.Add(new OleDbParameter("pic1", pic_name[p]));
                        sqlCmd.Parameters.Add(new OleDbParameter("news_id", news_id));
                        sqlCmd.Parameters.Add(new OleDbParameter("pic_name", _pic_name2[p]));
                        sqlCmd.Parameters.Add(new OleDbParameter("pic_type", _pic_type[p]));

                    }

                    sqlCmd.ExecuteNonQuery();


                    p++;
                }
            }

            if (picDt.Rows.Count > 0)
            {
                foreach (DataRow row in picDt.Rows)
                {
                    //刪掉不要的檔案
                    OleDbCommand sqlCmd2 = new OleDbCommand("", sqlConn);
                    sqlCmd2.CommandText = "delete from [news_files] where news_id=? and num=?";
                    sqlCmd2.Parameters.Add(new OleDbParameter("news_id", news_id));
                    sqlCmd2.Parameters.Add(new OleDbParameter("num", ValString(row["num"])));
                    sqlCmd2.ExecuteNonQuery();

                    if (!isStrNull(row["pic1"])) { fileSystem.Delete(Model.news.Dir + "/" + ValString(row["pic1"])); }
                }
            }
        }
        catch (Exception ex)
        {
            //Response.Write(ex.Message);
            success = false;
            L_msg.Type = alert_type.danger;
            L_msg.Text = ex.Message;
    
        }
        finally
        {
            sqlConn.Close(); sqlConn.Dispose();
        }

        return success;
    }
    protected string GiftOrgPic(string id, ref DataTable dt)
    {
        if (dt.Rows.Count > 0)
            foreach (DataRow row in dt.Rows)
                if (row["num"].ToString() == id)
                {
                    string pic = row["pic1"].ToString();
                    dt.Rows.Remove(row);
                    return pic;
                }

        return "";
    }

    #endregion

    #region 載入
    protected void initNewsFiles(int num = 0)
    {
        var qry = _db.news_files.AsEnumerable();
        if (num > 0)
            qry = qry.Where(q => q.news_id == num).ToList();
        else
            qry = qry.ToList();

        fileRepeater.DataSource = qry;
        fileRepeater.DataBind();
    }
    protected void fileRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        //DataRowView row = (DataRowView)e.Item.DataItem;


        ((HiddenField)e.Item.FindControl("id")).Value = DataBinder.Eval(e.Item.DataItem, "num").ToString();
        ((HiddenField)e.Item.FindControl("pic")).Value = DataBinder.Eval(e.Item.DataItem, "pic1").ToString();
        ((Literal)e.Item.FindControl("pic_name")).Text = DataBinder.Eval(e.Item.DataItem, "pic_name").ToString();
        ((Literal)e.Item.FindControl("pic_type")).Text = DataBinder.Eval(e.Item.DataItem, "pic_type").ToString();
    }
    #endregion

    protected DataTable GetFileRows()
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("num");
        dt.Columns.Add("pic1");
        dt.Columns.Add("pic_name");
        dt.Columns.Add("pic_type");


        if (fileRepeater.Items.Count > 0)
        {

            foreach (RepeaterItem item in fileRepeater.Items)
            {
                DataRow row = dt.NewRow();
    
                row["pic1"] = ((HiddenField)item.FindControl("pic")).Value;
                row["num"] = ((HiddenField)item.FindControl("id")).Value;
                row["pic_name"] = ((Literal)item.FindControl("pic_name")).Text;
                row["pic_type"] = ((Literal)item.FindControl("pic_type")).Text;
                dt.Rows.Add(row);
            }
        }

        return dt;
    }

    #region 新增
    protected void addNewRow()
    {
        string id =  DateTime.Now.ToString("yyyyMMddHHmmss"); ;
        DataTable dt = GetFileRows();
        DataRow row = dt.NewRow();
        row["num"] = id;
        row["pic1"] = "";
        row["pic_name"] = "";
        row["pic_type"] = "";
        dt.Rows.Add(row);
        fileRepeater.DataSource = dt;
        fileRepeater.DataBind();

            ScriptJS("$('#pics').append('<input type=\"file\" data-id=\"" + id + "\" name=\"picUpload" + id + "\" id=\"picUpload" + id + "\">');bindPics();");

    }
    protected void AddBtn_Click(object sender, EventArgs e)
    {
        addNewRow();
    }
    #endregion


    #region 刪除

    protected void DelBtn_Click(object sender, EventArgs e)
    {
        RepeaterItem rItem = (RepeaterItem)((LinkButton)sender).NamingContainer;
        string id = ((HiddenField)rItem.FindControl("id")).Value;
        DataTable dt = GetFileRows();
        foreach (DataRow row in dt.Rows)
        {
            if (ValString(row["num"]) == id)
            {
                dt.Rows.Remove(row);
                break;
            }
        }
        fileRepeater.DataSource = dt;
        fileRepeater.DataBind();
        ScriptJS("$('#picUpload" + id + "').remove();bindPics(false);");
    }
    #endregion

    #endregion




}