using System;
using System.Collections.Generic;
using Bwp.MainSystem.Auth;
using Forks.EnterpriseServices.BusinessInterfaces;
using Forks.EnterpriseServices.DomainObjects2;
using Forks.EnterpriseServices.DomainObjects2.DQuery;
using Forks.EnterpriseServices.SqlDoms;
using TSingSoft.WebPluginFramework;

namespace BWP.B3DogAuth {
  public class DogAuthPlugin : IAuthPlugin {
    public void Auth(IDictionary<string, object> context) {
      if (UserAndPasswordOnly(context)) {
        return;
      }
      if (context.ContainsKey("SkipPasswordAuth")) {
        return;
      }
      var name = (string)context["Name"];

      if (context.ContainsKey("VerifyCode")) {
        var verifyCode = (string)context["VerifyCode"];
        if (!MobileAuthCenter.Auth(name, verifyCode)) {
          throw new Exception("验证码不正确");
        }
      }
      else {
        int dogNo;
        if (int.TryParse(name, out dogNo)) {
          context["Name"] = DogNoToUserName(dogNo);
          context.Add("DogAuthNo", name);
        }
        else {
          if (AllowNoDog) {
            CheckNoDogUserName(name);
          }
          else {
            throw new WpfException("Internal error: 43bb83d0-3388-4cde-9459-4dc9a44918e4 " + name);
          }
        }
      }
    }

    static bool UserAndPasswordOnly(IDictionary<string, object> context) {
      return context.EGetDefault<bool>("UserAndPasswordOnly");
    }

    static string DogNoToUserName(int dogNo) {
      IDogLoginUserBL bl = BIFactory.Create<IDogLoginUserBL>();
      var dogLoginUser = bl.Load(dogNo);
      if (dogLoginUser == null) {
        throw new WpfException(string.Format("您当前的黑贝序号是{0},没有在黑贝认证中定义", dogNo));
      }
      return dogLoginUser.User_Name;
    }

    static void CheckNoDogUserName(string userName) {
      var query = new DQueryDom(new JoinAlias(typeof(DogLoginUser)));
      query.Where.Conditions.Add(DQCondition.EQ("User_Name", userName));
      query.Range = SelectRange.Top(1);
      query.Columns.Add(DQSelectColumn.Field("ID"));
      using (IDmoSession session = Dmo.NewSession()) {
        if (session.ExecuteScalar(query) != null) {
          throw new Exception(string.Format("用户名{0}必须使用黑贝登录", userName));
        }
      }
    }

    public static bool AllowNoDog {
      get { return Wpf.Parameters.AsBool("B3DogAuth.AllowUnConfigedDog"); }
    }

  }
}