using EMIS.DataLogic.SystemDAL;
using EMIS.Entities;
using Bowin.Common.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using EMIS.ViewModel.SystemView;
using EMIS.DataLogic.Common.Students;

namespace EMIS.CommonLogic.SystemServices
{
    public class WechatMPServices : BaseServices, IWechatMPServices
    {
        public WechatMPDAL WechatMPDAL { get; set; }
        public UserDAL UserDAL { get; set; }
        public StudentsDAL StudentsDAL { get; set; }

        public List<string> GetOpenIDList(IList<Guid?> roleIDList, IList<Guid?> userIDList)
        {
            Expression<Func<Sys_Role, bool>> roleExp = (x => true);
            Expression<Func<Sys_User, bool>> userExp = (x => true);

            if (roleIDList != null && roleIDList.Count() > 0)
            {
                roleExp = roleExp.And(x => roleIDList.Contains(x.RoleID));
            }
            else
            {
                roleExp = (x => false);
            }

            if (userIDList != null && userIDList.Count() > 0)
            {
                userExp = userExp.And(x => userIDList.Contains(x.UserID));
            }
            else
            {
                userExp = (x => false);
            }

            var query = WechatMPDAL.GetOpenIDList(roleExp, userExp);

            return query.ToList();
        }

        public StudentUserView GetUserViewByOpenID(string openID)
        {
            var wechatSubscribe = WechatMPDAL.WechatSubscripbeRepository.GetSingle(x => x.OpenID == openID);

            if (wechatSubscribe == null)
            {
                return null;
            }

            return UserDAL.GetStudentUserView(x => x.UserID == wechatSubscribe.UserID, (x => true)).FirstOrDefault();
        }

        public void BindOpenID(string loginID, string openID)
        {
            var user = StudentsDAL.StudentRepository.GetSingle(x => x.Sys_User.LoginID == loginID);
            if (user == null)
            {
                return;
            }
            var subscribe = WechatMPDAL.WechatSubscripbeRepository.GetSingle(x => x.UserID == user.UserID);
            if (subscribe == null)
            {
                subscribe = new CF_WechatSubscribe();
                subscribe.WechatSubscribeID = Guid.NewGuid();
                subscribe.UserID = user.UserID;

                UnitOfWork.Add(subscribe);
            }
            subscribe.OpenID = openID;

            UnitOfWork.Commit();
        }

        public void UnBindOpenID(string openID)
        {
            UnitOfWork.Delete<CF_WechatSubscribe>(x => x.OpenID == openID);
        }
    }
}