using System;
using System.Data;
using System.Configuration;
using System.Collections.Generic;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using GZTW.AyaNova.BLL;
using System.Text;

namespace AyaNovaMBI
{
    public partial class memoedit : System.Web.UI.Page
    {

        #region BizObject
        public GZTW.AyaNova.BLL.Memo mMemo;
        protected GZTW.AyaNova.BLL.Memo CurrentMemo
        {
            get
            {
                if (mMemo != null) return mMemo;

                //The current memo is in the session or not put there yet
                //if it's in the session then Bob's your Lobster.
                if (Session["memo"] != null)
                {                    
                    mMemo = (Memo)Session["memo"];
                    return mMemo;
                }


                //We're here because there is no memo in the session cache so this is the first time visit
                //and memo needs to be created and put in the session cache

                //The idstring represents either a new memo
                //or the memo being replied to / (forwarded in future)
                //so get the ID...
                string idstring = Request.QueryString["id"];
                if (util.mt(idstring))
                    throw new ApplicationException("MemoComposer - Memo id specified");
                Guid oID = new Guid(idstring);
                                //completely new memo?
                if (oID == AyaBizUtils.NewObjectGuid)
                {
                    mMemo = Memo.NewItem();
                    Session["memo"] = mMemo;
                    return mMemo;
                }

                //Reply (forward in future) to existing memo
                MemoFetcher mf = MemoFetcher.GetItem(oID, util.CurrentUser.DefaultLanguage);
                mMemo = mf.ReplyForward(false);//true if forwarding
                Session["memo"] = mMemo;
                return mMemo;

                
            }
        }





        #endregion

        #region Recipient list DataTable
        private DataTable dtRecipients = null;
        protected DataTable Recipients
        {
            get
            {
                if (dtRecipients != null) return dtRecipients;

                if (Session["memoto"] != null)
                {
                    dtRecipients = (DataTable)Session["memoto"];
                    return dtRecipients;
                }

                //not in session cache, create, put in cache and return
                InitializeRecipientTable();
                Session.Add("memoto", dtRecipients);
                return dtRecipients;

            }
        }

        private void InitializeRecipientTable()
        {
            dtRecipients = new DataTable("RECIPIENTS");
            Dictionary<UserTypes, string> ut = new Dictionary<UserTypes, string>();
            ut.Add(UserTypes.Administrator, util.LocaleText("UserTypes.Label.Administrator"));
            ut.Add(UserTypes.Schedulable, util.LocaleText("UserTypes.Label.Schedulable"));
            ut.Add(UserTypes.NonSchedulable, util.LocaleText("UserTypes.Label.NonSchedulable"));
            ut.Add(UserTypes.Client, util.LocaleText("UserTypes.Label.Client"));
            ut.Add(UserTypes.HeadOffice, util.LocaleText("UserTypes.Label.HeadOffice"));
            ut.Add(UserTypes.Utility, util.LocaleText("UserTypes.Label.UTILITY"));



            dtRecipients.Columns.Add("RECIPIENT", typeof(System.String));
            dtRecipients.Columns.Add("RECIPIENTTYPE", typeof(System.String));
            dtRecipients.Columns.Add("SUBCONTRACTOR", typeof(bool));
            dtRecipients.Columns.Add("RECIPIENTID", typeof(System.Guid));
            dtRecipients.Columns.Add("SELECTED", typeof(bool));

            //case 2000
            //UserPickList UList = UserPickList.GetList(false);
            UserPickList UList = UserPickList.GetInternalStaffOnlyList(false);	
            

            foreach (UserPickList.UserPickListInfo ui in UList)
            {
                DataRow dr = dtRecipients.NewRow();
                dr["RECIPIENT"] = ui.Name;
                dr["RECIPIENTTYPE"] = ut[ui.Type];
                dr["SUBCONTRACTOR"] = ui.SubContractor;
                dr["RECIPIENTID"] = ui.ID;
                //In case of reply:
                if (CurrentMemo.ToID == ui.ID)
                    dr["SELECTED"] = true;
                else
                    dr["SELECTED"] = false;
                dtRecipients.Rows.Add(dr);

            }

        }




        #endregion

        protected void Page_Load(object sender, EventArgs e)
        { 
            //Get data logic
            if (this.IsPostBack )//Only on a postback and not a callback
            {
                GetData();
            }
        }

        protected void Page_LoadComplete(object sender, EventArgs e)
        {
            //Load and set data in initial form load
            //and in all postbacks that are not a result of a rad
            //manager callback

            //Localize the page
            util.Localize(this.Page);
            SetData();
            Page.Title = "*" + util.LocaleText("O.Memo");
            btnto.Text = util.LocaleText("Memo.Label.ToID");
            
        }

        /// <summary>
        /// Update user viewed display of recipients selected
        /// called after coming back from MemoToSelector form
        /// </summary>
        private void DisplayTo()
        {
            bool bAtLeastOne = false;
            this.lblRequired.Visible = false;
            this.lblRecipients.Text = "";
            StringBuilder sb = new StringBuilder();
            foreach (DataRow dr in Recipients.Rows)
            {
                if ((bool)dr["SELECTED"] == true)
                {
                    bAtLeastOne = true;
                    sb.Append((string)dr["RECIPIENT"] + "; ");

                }

            }
            this.lblRecipients.Text = sb.ToString();
            if (!bAtLeastOne)
                lblRequired.Visible = true;
        }

        private void SetData()
        {
            edSubject.Text = CurrentMemo.Subject;
            edMessage.Text = CurrentMemo.Message;
            DisplayTo();
        }

        private void GetData()
        {
            CurrentMemo.Subject = edSubject.Text;
            CurrentMemo.Message = edMessage.Text;
        }

        protected void btnOK_Click(object sender, EventArgs e)
        {
            //populate to collection first
            bool bAtLeastOne = false;
            foreach (DataRow dr in Recipients.Rows)
            {
                if ((bool)dr["SELECTED"] == true)
                {
                    bAtLeastOne = true;
                    break;
                }
            }

            if (!bAtLeastOne)
                return;

            string subject = edSubject.Text;
            if (string.IsNullOrEmpty(subject))
                subject = "NO SUBJECT";

            //we have a recipient, we can send
            foreach (DataRow dr in this.dtRecipients.Rows)
            {
                if ((bool)dr["SELECTED"] == true)
                {
                    GZTW.AyaNova.BLL.Memo m = GZTW.AyaNova.BLL.Memo.NewItem();
                    m.ToID = (Guid)dr["RECIPIENTID"];
                    m.Subject = subject;
                    m.Message = edMessage.Text;
                    m.Save();
                }


            }

                 
            Session.Remove("memo");
            Session.Remove("memoto");
            util.Redirect(Session, Response, "ro.aspx?cmd=memos");
        }

        protected void btnCancel_Click(object sender, EventArgs e)
        {           
            Session.Remove("memo");
            Session.Remove("memoto");
            util.Redirect(Session, Response, "ro.aspx?cmd=memos");
        }

        protected void btnto_Click(object sender, EventArgs e)
        {
          Response.Redirect("memoto.aspx");
        }
   



        //-----------------
    }
}