using System;
using System.Data;
using System.Configuration;
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 System.Collections;
using Wellan.Web.UI;
using Wellan.Web.View;
using Wellan.Common;
using System.Text;
using Wellan.Service;
using System.Net.Mail;

public partial class _Default : System.Web.UI.Page
{
    protected string FuserLang = "";
    private string CurrPage = "";
    private string FReportDataPath = "";
    private string CurrPageKey = "__CURRPAGE__";
    private string ParamListKey = "__PARAMLIST__";


    /// <summary>
    /// 頁面的初始化之前事件
    /// </summary>
    protected void Page_PreInit(object sender, EventArgs e)
    {
        // 設定頁面主題
        //Page.Theme = "DefaultTheme";
        lbSystemCaption.Text = WConfig.GetCompanyName() + " " + WConfig.GetSystemName();

        if (Request.ServerVariables["http_user_agent"].IndexOf("Safari", StringComparison.CurrentCultureIgnoreCase) != -1)
            Page.ClientTarget = "uplevel";
        //if (Request.UserAgent.Contains("AppleWebKit"))
        //    Request.Browser.Adapters.Clear();
    }

    /*
    public override string StyleSheetTheme
    {
      get
      {
        return "DefaultTheme";
      }
      set
      {
        base.StyleSheetTheme = value;
      }
    }
    */

    protected void Page_Init(object sender, EventArgs e)
    {
        ScriptManager.RegisterClientScriptInclude(Page, Page.GetType(), "vue",
            ConfigurationManager.AppSettings["DEBUG"].ToUpper() == "Y" ? "utility/vue_dev.js" : "utility/vue.js");
        /*
        Hashtable ParamList;
        if (Session[ParamListKey] != null)
          ParamList = Session[ParamListKey] as Hashtable;
        else
          ParamList = new Hashtable();

        // 需要直接載入某功能
        if (!IsPostBack && Request[WConstants.LoadForm] != null)
        {
          CurrPage = Request[WConstants.LoadForm].ToString();
          // 取出 Request 的各參數，放入準備傳入 user control 的參數列表中
          foreach (string key in Request.QueryString.AllKeys)
          {
            ParamList.Add(key, Request[key]);
          }
          Session.Remove(CurrPageKey);
        }
        // 載入目前選到的功能
        else if (Session[CurrPageKey] != null)
        {
          CurrPage = Session[CurrPageKey].ToString();
          // 移除目前頁的 Session 儲存，以免被誤用
          Session.Remove(CurrPageKey);
        }
        ParamList[WConstants.ReportDataPath] = FReportDataPath;
        LoadForm(ParamList);
        */
    }

    /*
    /// <summary>
    /// 樣式表主題
    /// </summary>
    public override string StyleSheetTheme
    {
      get
      {
        return "Default";
      }
      set
      {
        base.StyleSheetTheme = value;
      }
    }
    */

    protected void Page_Load(object sender, EventArgs e)
    {
        // 若 session 已消失，則登出
        if (Session[WConstants.UserId] == null)
        {
            btnLogout_Click(sender, e);
            return;
        }

        // 擷取瀏覽器語言設定
        GetBrowserLanguage();

        // 取得報表實體目錄
        FReportDataPath = Server.MapPath(@"~\reportData\");

        // 建立主功能表
        WMenuGenerator menuGen = new WMenuGenerator();
        menuGen.menu = MainMenu;
        menuGen.UserLang = FuserLang;
        menuGen.UserId = Session[WConstants.UserId].ToString();
        menuGen.MenuConfigFile = WConfig.GetMenuConfig();
        menuGen.GenerateMenu(WConfig.GetMenuTree());

        // 取出之前儲存的 ParamList
        Hashtable ParamList;
        if (Session[ParamListKey] != null)
            ParamList = Session[ParamListKey] as Hashtable;
        else
            ParamList = new Hashtable();

        // 需要直接載入某功能
        if (!IsPostBack && Request[WConstants.LoadForm] != null)
        {
            CurrPage = Request[WConstants.LoadForm].ToString();
            // 取出 Request 的各參數，放入準備傳入 user control 的參數列表中
            foreach (string key in Request.QueryString.AllKeys)
            {
                if (!ParamList.ContainsKey(key))
                    ParamList.Add(key, Request[key]);
                else
                    ParamList[key] = Request[key];
            }
            Session.Remove(CurrPageKey);
        }
        // 載入目前選到的功能
        else if (Session[CurrPageKey] != null)
        {
            CurrPage = Session[CurrPageKey].ToString();
            // 移除目前頁的 Session 儲存，以免被誤用
            Session.Remove(CurrPageKey);
        }
        ParamList[WConstants.ReportDataPath] = FReportDataPath;

        LoadForm(ParamList);

        // 顯示使用者名稱
        lbCUSRNAME.Text = Session[WConstants.UserName] != null ? Session[WConstants.UserName].ToString() : "";
        //lbCCUSTNAME.Text = Session[WConstants.CustName] != null ? Session[WConstants.CustName].ToString() : "";

        // 如果沒有密碼，顯示無密碼提示訊息
        if (Session["NOPASSWORD"] != null && Session["NOPASSWORD"].ToString() == "TRUE")
            lbNOPassword.Style[HtmlTextWriterStyle.Display] = "inline";
        else
            lbNOPassword.Style[HtmlTextWriterStyle.Display] = "none";

        /*
         * 移至 Global.asax
         * 
        // 啟動檔案定時清除
        // 要停止檔案定時清除，必須停止網站應用程式，或是設定 Enabled = false
        WDeleteFileService dfs = WDeleteFileService.GetInstance();
        if (!dfs.Enabled)
        {
          dfs.DeletePatterns.Clear();
          dfs.DeletePatterns.Add(FReportDataPath + "*.mdb");
          dfs.DeletePatterns.Add(FReportDataPath + "*.rpp");
          dfs.Interval = 600;           // 每幾秒清除一次檔案
          dfs.FileAgeToDelete = 600;    // 要清除最後寫入時間是幾秒之前的檔案
          dfs.Enabled = true;
        }

        // 啟動郵件傳送服務
        // 郵件伺服器相關設定，在 Web.Config 中的 System.Net 節
        WMailSender mailSender = WMailSender.GetInstance();
        if (!mailSender.Enabled)
        {
          mailSender.Interval = 10;
          mailSender.Enabled = true;
        }
         */

        // 輸出 CR Viewer 標籤
        ltCRX.Text = CRAX.CRAXHelper.GetCRAXViewerDeclaration(Context);

        //Page.ClientScript.RegisterStartupScript(Page.GetType(), 
        //    "FixMenu", 
        //    // "if (typeof(FixMenu) !== \"undefined\") { FixMenu(document.getElementById(\"" + MainMenu.ClientID + "\")); }", true);
        //    "FixMenu(document.getElementById(\"" + MainMenu.ClientID + "\");", true);
    }

    /// <summary>
    /// 將瀏覽器語言設定與應用程式提供的語言設定作比對
    /// 選出最適合的語系設定
    /// </summary>
    private void GetBrowserLanguage()
    {
        FuserLang = "";

        // 取得應用程式提供之語言設定
        string[] MyLanguages = WConfig.GetLanguages();

        if (Request != null && Request.UserLanguages != null)
        {
            foreach (string s1 in Request.UserLanguages)
            {
                foreach (string s2 in MyLanguages)
                {
                    if (s1.ToLower().CompareTo(s2.ToLower()) == 0)
                    {
                        FuserLang = s1;
                    }
                }
            }
        }

        // 如果找不到，則設定為繁體中文
        if (FuserLang == "")
            FuserLang = "zh-tw";

        //設定台灣日曆
        if (WConfig.GetCY11() == 1911)
        {
            System.Globalization.CultureInfo ci = new System.Globalization.CultureInfo("zh-TW");
            ci.DateTimeFormat.Calendar = new System.Globalization.TaiwanCalendar();
            System.Threading.Thread.CurrentThread.CurrentCulture = ci;
        }

        // 將 Javascript 中使用的訊息變數及內容輸出至網頁
        StringBuilder sb = new StringBuilder();
        sb.Append(WConstants.JavaScriptStart);
        sb.Append("\n<!--\n");
        sb.Append("var UserLangId=\"" + FuserLang + "\";\n");
        sb.Append(WStringTable.GetInstance().GetJSMessages(FuserLang));
        //sb.Append("alert(UserLangId.toUpperCase());\n");
        sb.Append("// -->\n");
        sb.Append(WConstants.JavaScriptEnd);
        ClientScript.RegisterStartupScript(Page.GetType(), "__LANGJS__", sb.ToString());
    }

    /// <summary>
    /// 載入功能
    /// </summary>
    /// <param name="ParamList">要傳入的參數</param>
    private void LoadForm(Hashtable ParamList)
    {
        WUserControlBase wctrl = null;

        if (CurrPage != "")
        {
            WWebFormController controller = WWebFormController.GetInstance();
            Control ctrl1 = null;

            try
            {
                ctrl1 = LoadControl(controller.FindWebPart(CurrPage));
                ctrl1.ID = CurrPage;
            }
            catch (Exception ex)
            {
                Session.Remove(CurrPageKey);
                FormPlace.Controls.Clear();
                lbFuncNotExist.Visible = true;
                lbFuncNotExist.Text = ex.Message;
                return;
            }

            /* 轉型 WUserControlbase，轉型不成功時，會回傳 null
             * 當轉型成功後，作以下事情：
             *   1. 傳入參數
             *   2. 設定使用者選擇的瀏覽器語言
             *   3. 執行 DoInit() 自訂方法
             *   4. 將主程式的 AfterCommand 事件處理器掛上去
             */
            try
            {
                wctrl = (WUserControlBase)ctrl1;
            }
            catch
            {
                wctrl = null;
            }


            /* 清除原來放在 PlaceHolder 中的控制項
             * 並將剛才載入的控制項放進去
             */
            try
            {
                FormPlace.Controls.Clear();

                if (wctrl != null)
                {
                    wctrl.FunctionName = CurrPage;
                    wctrl.ParamList = ParamList;
                    wctrl.userLang = FuserLang;
                    wctrl.MainMenuId = MainMenu.ClientID;
                    wctrl.AfterCommand += new Wellan.Web.UI.AfterCommandDelegate(AfterCommand);
                }

                FormPlace.Controls.Add(ctrl1);

                lbFuncNotExist.Visible = false;
                lbFuncNotExist.Text = "";
            }
            catch (Exception ex)
            {
                FormPlace.Controls.Clear();

                lbFuncNotExist.Visible = true;
                lbFuncNotExist.Text = ex.Message;
            }

            Session[CurrPageKey] = CurrPage;
            Session[ParamListKey] = ParamList;

            // 從主功能表中找出 MenuItem
            // 還有問題，先不用
            // lbSiteMap.Text = GetMenuItemPath(MainMenu.Items);
        }
        else
        {
            Session.Remove(CurrPageKey);
            FormPlace.Controls.Clear();
        }
    }

    private string GetMenuItemPath(MenuItemCollection Items)
    {
        string result = "";
        if (Items == null)
            return result;

        foreach (MenuItem item in Items)
        {
            if (item.Value.Contains("webPart=" + CurrPage))
            {
                result = item.Text;
                return result;
            }
            result += GetMenuItemPath(item.ChildItems);
        }

        return result;
    }



    /// <summary>
    /// 處理 WUserControlBase 的 AfterCommand 事件
    /// </summary>
    /// <param name="Sender">觸發此事件的 User Control</param>
    /// <param name="CommandName">觸發者自訂的命令識別字</param>
    /// <param name="NextWebPartName">下一個 web part 在 PageDefine 配置檔中的名稱</param>
    /// <param name="ParamList">觸發此事件的 User Control 要傳給下一步的參數</param>
    private void AfterCommand(
      WUserControlBase Sender,
      string CommandName,
      ref Hashtable ParamList)
    {
        WWebFormController controller = WWebFormController.GetInstance();
        try
        {
            WWebFormForward forward = controller.FindForward(CurrPage, CommandName);
            CurrPage = forward.DestinationName;
            ParamList[WConstants.ForwardSource] = CurrPage;
            ParamList[WConstants.ForwardCommand] = CommandName;
            LoadForm(ParamList);
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
            throw;
        }
    }

    protected void MainMenu_MenuItemClick(object sender, MenuEventArgs e)
    {
        if (e.Item.Value != "")
        {
            if (e.Item.Value.StartsWith("webPart="))
            {
                FormPlace.Controls.Clear();

                // 取出 webpart 的名字
                string[] menuInfos = e.Item.Value.Split(',');
                CurrPage = menuInfos[0].Substring(8);

                // 取出要帶進去的參數列
                Hashtable paramList = new Hashtable();
                paramList[WConstants.ForwardSource] = "";

                if (menuInfos.Length > 1)
                {
                    string[] menuItemParams = menuInfos[1].Split('|');
                    for (int i = 0; i < menuItemParams.Length; i++)
                    {
                        if (!menuItemParams[i].StartsWith("parameters="))
                            continue;

                        string[] s1 = menuItemParams[i].Substring(11).Split('&');
                        string aName = "";
                        string aType = "";
                        string aValue = "";
                        for (int j = 0; j < s1.Length; j++)
                        {
                            if (s1[j].StartsWith("name:"))
                                aName = s1[j].Substring(5);
                            if (s1[j].StartsWith("type:"))
                                aType = s1[j].Substring(5);
                            if (s1[j].StartsWith("value:"))
                                aValue = s1[j].Substring(6);
                        }
                        if (aName != "" && aType != "" && aValue != "")
                        {
                            switch (aType)
                            {
                                case "string":
                                    paramList.Add(aName, aValue);
                                    break;
                                case "int":
                                    paramList.Add(aName, Convert.ToInt32(aValue));
                                    break;
                                case "double":
                                    paramList.Add(aName, Convert.ToDouble(aValue));
                                    break;
                                case "datetime":
                                    paramList.Add(aName, Convert.ToDateTime(aValue));
                                    break;
                            }
                        }
                    }
                }

                e.Item.Selected = false;
                LoadForm(paramList);
            }
        }
    }

    public string UserLang
    {
        get { return FuserLang; }
    }

    protected void btnLogout_Click(object sender, EventArgs e)
    {
        Session.Remove(CurrPageKey);

        FormsAuthentication.SignOut();
        FormsAuthentication.RedirectToLoginPage();
    }
}