using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Forks.JsonRpc.Client;
using Update.LoginService;
using Update.WCF_;
using Utils.Security;
using WeighBusiness;
using WeighBusiness.BL;
using System.Configuration;

namespace Update.Utils
{
  public class LoginUtil
  {
    private static bool IsInitRpc = false;
    private static string urlPath;
    public static void InitRpc()
    {
      var path = ConfigurationManager.AppSettings["UrlPath"];
      if (!IsInitRpc) {
        RpcFacade.Init(path, "CutupClient");
        IsInitRpc = true;
        urlPath = path;
      } else {
        if (urlPath != path) {
          RpcFacade.ReInit(path);
        }
      }
      urlPath = path;
    }

    /// <summary>
    /// 验证远程登陆。如果没有登陆远程系统，则重新登陆
    /// </summary>
    public static void CheckLogin()//验证远程登陆。如果没有登陆远程系统，则重新登陆
    {
      CheckLogin(UserBL.CurrentUser.ERP_User_Name, () => SecurityUtil.ChangeBack(UserBL.CurrentUser.ERP_User_Password, UserBL.a));
    }

    /// <summary>
    /// 验证远程登陆。如果没有登陆远程系统，则重新登陆
    /// </summary>
    public static void CheckLogin(string name, Func<string> GetPassword)//验证远程登陆。如果没有登陆远程系统，则重新登陆
    {
      if (string.IsNullOrEmpty(Config.Ticket) || !new LoginClient().KeepLogin(Config.Ticket)) {
        //var login = LoginSystem(name, GetPassword);
        var login = LoginSystem(name, GetPassword);
        if (!login.Success)
          throw new LoginError("登陆系统失败！");
        Config.Ticket = login.Message;
        new LoginClient().KeepLogin(Config.Ticket);
      }
    }

    public static bool Login(string name, string password, out string error)
    {
      error = string.Empty;
      //if (UserBL.CurrentUser == null) {
        try {
          RpcFacade.Login(name, password);
        } catch (Exception e) {
          error = e.Message;
          return false;
        }
      //}
      return true;
    }

    public static bool CheckSystemPassword(string name, string secretPassword)
    {
      var originalPassword = SecurityUtil.ChangeBack(secretPassword, UserBL.a);
      var login = new LoginClient().Login(name, originalPassword);
      return login.Success;
    }

    private static WcfLoginResponseMessage LoginSystem(string name, Func<string> GetPassword)
    {
      var password = GetPassword();
      return new LoginClient().Login(name, password);
    }

  }
}