using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using Bowin.Common.Utility;
using Bowin.Common.Linq;
using EMISOnline.DataLogic.SystemDAL;
using EMISOnline.ViewModel;
using EMISOnline.Entities;
using EMISOnline.ViewModel.SystemView;
using EMISOnline.DataLogic.Repositories;
using EMISOnline.DataLogic.Student;

namespace EMISOnline.CommonLogic.SystemServices
{
    public class UserServices : BaseServices, IUserServices
    {
        public UserDAL UserDAL { get; set; }
        public LoginCountRepository loginCountRepository { get; set; }
        public SchoolyearDAL schoolyearDAL { get; set; }

        public bool Login(string loginID, string password)
        {
            var encryptPassword = Bowin.Common.Utility.StringEx.MD5(password);
            return UserDAL.UserRepository.Entities.Any(u => u.RecordStatus == (int)SYS_STATUS.USABLE && u.LoginID == loginID && u.Password == encryptPassword);
        }

        public UserView GetUserByLoginID(string loginID, bool isNeedEnable = true)
        {
            Expression<Func<Sys_User, bool>> user = p => p.LoginID == loginID.Trim();
            if (isNeedEnable)
            {
                user = user.And(x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE);
            }

            var UserView=UserDAL.GetUserView(user, (x => true)).FirstOrDefault();

            var curSchoolyear=schoolyearDAL.GetCurSchoolyear();

            var logincout=loginCountRepository.GetSingle(w => w.UserID == UserView.UserID && w.SchoolyearID == curSchoolyear.SchoolyearID);

            if (logincout == null)
            {
                loginCountRepository.UnitOfWork.Add(new Sys_LoginCount()
                {
                    UserID = UserView.UserID,
                    SchoolyearID = curSchoolyear.SchoolyearID,
                    lastLoginTime = DateTime.Now,
                    LoginCount = 1
                });
                loginCountRepository.UnitOfWork.SaveChanges();

            }
            else
            {
                //超过1天才能计算登陆次数
                if ((DateTime.Now - logincout.lastLoginTime.Value).TotalDays >= 1)
                {
                    logincout.LoginCount = +1;
                    logincout.lastLoginTime = DateTime.Now;

                    loginCountRepository.UnitOfWork.Update(logincout);
                    loginCountRepository.UnitOfWork.SaveChanges();
                }
            }

            return UserView;
        }

        public void BatchInitPassword(IList<Guid?> userID)
        {
            if (userID.Count > 0)
            {
                UnitOfWork.Update<Sys_User>(
                    x => new Sys_User { Password = ("A" + x.LoginID).MD5() },
                    x => userID.Contains(x.UserID)
                    );
            }
        }

        //public IList<ViewModel.SystemView.RoleView> GetUserRolesView(Guid userID)
        //{
        //    throw new NotImplementedException();
        //}

        //public string GetUserEmail(Guid userID)
        //{
        //    throw new NotImplementedException();
        //}

        //public void ChangePassword(ViewModel.SystemView.ChangePasswordView password, Guid userID)
        //{
        //    throw new NotImplementedException();
        //}

        public Entities.Sys_User GetUserByID(Guid userID)
        {
            return this.UserDAL.UserRepository.Entities.Where(x => x.UserID == userID).FirstOrDefault();
        }

        public IList<Sys_Role> GetUserRoles(Guid userID)
        {
            var roleList = this.UserDAL.GetUserRoles(x => x.UserID == userID, (x => x.RecordStatus > (int)SYS_STATUS.UNUSABLE)).ToList();

            return roleList;
        }
    }
}