using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using Bowin.Common.Utility;
using Bowin.Common.Mail;
using Bowin.Common.Log;
using EMIS.Entities;
using EMIS.ViewModel;
using EMIS.ViewModel.SystemView;
using EMIS.DataLogic.SystemDAL;

namespace EMIS.CommonLogic.SystemServices
{
    public class MailVerifyServices : BaseServices, IMailVerifyServices
    {
        public UserDAL UserDAL { get; set; }
        public MailVerifyCodeDAL MailVerifyCodeDAL { get; set; }

        public void SendVerifyMail(string applicationPath, Guid userID, string email)
        {
            var user = UserDAL.UserRepository.GetSingle(x => x.UserID == userID, (x => x.Sys_MailVerifyCode));

            if (user == null) throw new Exception("验证码发送失败，无法找到该用户的信息。");

            string verifyCode = Guid.NewGuid().ToString().Replace("-", "");
            string title = "【验证邮件】欢迎使用教务信息管理系统";
            string content = user.Name + @"，你好：<br><br>

    感谢您使用教务信息管理系统，请点击以下链接完成你的验证操作：<br>
    <a href=""" + applicationPath + "/Common/UserVerify?Code=" + verifyCode + "&UserID=" + userID.ToString() + @""" target=""_blank"">" 
                    + verifyCode.ToUpper() + "</a>";

            try
            {
                MailHelper.SendMail(email, title, content);
                var userVerifyCode = MailVerifyCodeDAL.MailVerifyCodeRepository.GetSingle(x => x.UserID == userID);
                if (userVerifyCode != null)
                {
                    UnitOfWork.Remove(userVerifyCode);
                }
                userVerifyCode = new Sys_MailVerifyCode()
                {
                    UserID = userID,
                    VerifyCode = verifyCode,
                    RecordStatus = (int)SYS_STATUS.USABLE,
                    CreateTime = DateTime.Now,
                    CreateUserID = userID,
                    ModifyTime = DateTime.Now,
                    ModifyUserID = userID
                };
                UnitOfWork.Add(userVerifyCode);
                UnitOfWork.Commit();
            }
            catch (Exception ex)
            {
                throw (ex);
            }
        }

        public bool Verify(Guid userID, string verifyCode)
        {
            var userVerifyCode = MailVerifyCodeDAL.MailVerifyCodeRepository.GetSingle(x => x.UserID == userID);

            if (userVerifyCode == null || userVerifyCode.VerifyCode.Trim() != verifyCode.Trim())
            {
                return false;
            }

            return true;
        }
    }
}