using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml;
using DSWeb.Models;
using DSWeb.EntityDA;

namespace DSWeb.UserSettings
{
    public partial class PageSettings : System.Web.UI.Page
    {
        private string strGID;
        private string strUserID;
        private string strHandle;//值为save保存用户设置   值为uid通过用户GID获取设置 值为gid通过设置表GID获取信息
        private string strPostSetting;//获取用户POST过来的用户设置数据

        protected void Page_Load(object sender, EventArgs e)
        {
            if (Request.QueryString["handle"] != null)
            {
                strHandle = Request.QueryString["handle"].ToString();
            }
            if (strHandle != null)
            {
                if (strHandle.Trim().ToLower().Equals("save"))
                {
                    strPostSetting = Request.Form["hid_setting"].ToString();
                }

                if (strHandle.Trim().ToLower().Equals("uid"))
                {
                    strUserID = Request.QueryString["gid"].ToString();
                }

                if (strHandle.Trim().ToLower().Equals("gid"))
                {
                    strGID = Request.QueryString["gid"].ToString();
                }
            }
            
            if (Request.QueryString["gid"] == null && Request.QueryString["uid"] == null)
            {
                Response.Write("-2");
            }

            //Response.Write(GetUserGridSetting());
        }

        private XmlDocument SaveUserSetting(GridEntity gridEntity)
        {

            XmlDocument xmlDoc = new XmlDocument();
            XmlElement root = xmlDoc.CreateElement("user-settings");

            //xmlDoc.AppendChild(root);

            XmlElement xGid = xmlDoc.CreateElement("gid");
            xGid.InnerText = gridEntity.GID;
            root.AppendChild(xGid);

            XmlElement xUserID = xmlDoc.CreateElement("userid");
            xUserID.InnerText = gridEntity.UserID;
            root.AppendChild(xUserID);

            XmlElement xCreateTime = xmlDoc.CreateElement("create-time");
            xCreateTime.InnerText = gridEntity.CreateTime.ToString();
            root.AppendChild(xCreateTime);

            XmlElement xColumns = xmlDoc.CreateElement("columns");

            foreach (GridColumnEntity column in gridEntity.Columns)
            {
                XmlElement nName = xmlDoc.CreateElement("name");
                nName.InnerText = column.Name;

                xColumns.AppendChild(nName);

                XmlElement nDescription = xmlDoc.CreateElement("description");
                nDescription.InnerText = column.Description;

                xColumns.AppendChild(nDescription);

                XmlElement nIndex = xmlDoc.CreateElement("index");
                nIndex.InnerText = column.Index.ToString();

                xColumns.AppendChild(nIndex);
            }

            root.AppendChild(xColumns);

            XmlElement xGroupBy = xmlDoc.CreateElement("group-by");
            xGroupBy.InnerText = gridEntity.GroupBy;

            root.AppendChild(xGroupBy);

            XmlElement xPage = xmlDoc.CreateElement("page");

            XmlElement nPageDefault = xmlDoc.CreateElement("page-default");
            nPageDefault.InnerText = gridEntity.PagePreCount.ToString();
            xPage.AppendChild(nPageDefault);

            XmlElement nPagePre = xmlDoc.CreateElement("page-pre");
            nPagePre.InnerText = gridEntity.DefaultPrePageCount.ToString() ;
            xPage.AppendChild(nPagePre);

            root.AppendChild(xPage);

            return xmlDoc;
        }

        private string GetUserGridSetting()
        {
            string xmlResult = "";

            UserSettingDA userSettingDA = new UserSettingDA();
            UserSettingEntity userSettingEntity = new UserSettingEntity();
            GridEntity gridEntity = new GridEntity();

            if (strHandle.Trim().Equals("uid"))
            {
                userSettingEntity = userSettingDA.GetUserSettingByUserID(strGID);
            }
            else if (strHandle.Trim().Equals("gid"))
            {
                userSettingEntity = userSettingDA.GetUserSettingByGID(strGID);
            }

            if (userSettingEntity != null)
            {
                if (!userSettingEntity.Xml.Trim().Equals(""))
                {
                    XmlDocument xmlSettingDoc = new XmlDocument();

                    try
                    {
                        xmlSettingDoc.LoadXml(userSettingEntity.Xml.Trim());

                        gridEntity.GID = xmlSettingDoc.ChildNodes[0].ChildNodes[0].ToString();
                        gridEntity.UserID = xmlSettingDoc.ChildNodes[0].ChildNodes[1].ToString();
                        gridEntity.CreateTime = DateTime.Parse(xmlSettingDoc.ChildNodes[0].ChildNodes[2].ToString());

                        IList<GridColumnEntity> columnsEntities = new List<GridColumnEntity>();
                        
                        int iColCount = xmlSettingDoc.ChildNodes[0].ChildNodes[3].ChildNodes.Count;

                        for (int i = 0; i < iColCount; i++)
                        {
                            GridColumnEntity columnEntity = new GridColumnEntity();
                            columnEntity.GID = xmlSettingDoc.ChildNodes[0].ChildNodes[3].ChildNodes[0].ToString();
                            columnEntity.Name = xmlSettingDoc.ChildNodes[0].ChildNodes[3].ChildNodes[1].ToString();
                            columnEntity.Description = xmlSettingDoc.ChildNodes[0].ChildNodes[3].ChildNodes[2].ToString();
                            columnEntity.Index = int.Parse(xmlSettingDoc.ChildNodes[0].ChildNodes[3].ChildNodes[3].ToString());

                            columnsEntities.Add(columnEntity);
                        }

                        gridEntity.Columns = columnsEntities;
                        gridEntity.DefaultPrePageCount = int.Parse(xmlSettingDoc.ChildNodes[0].ChildNodes[4].ToString());
                        gridEntity.PagePreCount = int.Parse(xmlSettingDoc.ChildNodes[0].ChildNodes[5].ToString());
                    }
                    catch (Exception error)
                    {
                        throw (error);
                    }

                }
            }
            

            xmlResult = SaveUserSetting(gridEntity).ToString();
            return xmlResult;
        }
    }
}