using System;
using System.Configuration;

using CommonTool;

using YZXYH.Repository.Models;

namespace YZXYH.Repository
{
    public partial class SysUserRepository
    {
        /// <summary>
        /// 管理员登录
        /// </summary>
        /// <param name="pcSysNo">管理员账号</param>
        /// <param name="pcPassword">管理员密码</param>
        /// <param name="pcErrorMsg">错误信息</param>
        /// <param name="userType">管理员类型</param>
        /// <returns></returns>
        public bool Login(string pcSysNo, string pcPassword, ref string pcErrorMsg, UserType userType)
        {
            if (pcErrorMsg == null) throw new ArgumentNullException(nameof(pcErrorMsg));
            bool lbRetval = false;
            string lcMsg = "失败";
            pcErrorMsg = "";
            if (!IsExist(u => u.SysNo == pcSysNo && u.IsLocked == "N"))
                pcErrorMsg = "管理员不存在！";
            else
            {
                SysUser loSysUser = GetSingle(u => u.SysNo == pcSysNo);
                pcPassword = SysSecurity.Encrypt4CPlus(pcPassword.Trim());
                if (loSysUser.SysPassword == pcPassword.Trim())
                {
                    lbRetval = true;
                    lcMsg = "成功";
                    string lcGuid = UtilRandom.GetGuid();
                    SysUserInfo loUserInfo = new SysUserInfo(pcSysNo, pcPassword, loSysUser.SysName, userType)
                    {
                        UserGuid = lcGuid
                    };
                    UserListSession.Instance.Add(lcGuid, loUserInfo);
                    string lcSessionName = ConfigurationManager.AppSettings["SysUserInfoSession"];
                    SessionHelper.Instance.AddSession(lcSessionName, lcGuid, 30);
                }
                else
                    pcErrorMsg = "管理员密码错误！";

                new SysLogRepository(Context).AddLog(userType + " | Login", " 登录 " + lcMsg,
                    loSysUser.SysName + "|" + pcSysNo, pcErrorMsg);
            }

            return lbRetval;
        }

        /// <summary>
        /// 修改密码
        /// </summary>
        /// <param name="pcSysNo">管理员账号</param>
        /// <param name="pcOldPassword">原密码</param>
        /// <param name="pcNewPassword">新密码</param>
        /// <param name="pcMsg">操作信息</param>
        /// <param name="sysUserInfo"></param>
        /// <returns></returns>
        public bool ModifyPassword(string pcSysNo, string pcOldPassword, string pcNewPassword, ref string pcMsg, SysUserInfo sysUserInfo)
        {
            if (pcMsg == null) throw new ArgumentNullException(nameof(pcMsg));
            bool lbRetval = false;
            string lcErrorMsg = "";
            SysUser sysUser = GetSingle(a => a.SysNo == pcSysNo && a.IsLocked == "N");
            if (sysUser != null)
            {
                if (SysSecurity.Encrypt4CPlus(pcOldPassword.Trim()) == sysUser.SysPassword)
                {
                    Update(a => a.SysNo == pcSysNo, a => new SysUser { SysPassword = SysSecurity.Encrypt4CPlus(pcNewPassword.Trim()) });
                    if (Save())
                    {
                        pcMsg = "密码修改成功";
                        lbRetval = true;
                    }
                    else
                        lcErrorMsg = pcMsg = "密码修改失败";
                }
                else
                    pcMsg = "原密码错误";
                UnitOfWork.SysLogRepository.AddLog(sysUserInfo.UserType + " | Modify", " 修改密码" + pcMsg,
                    sysUser.SysName + "|" + sysUser.SysNo, lcErrorMsg);
            }
            else
            {
                pcMsg = "用户不存在或已被锁定！";
            }

            return lbRetval;
        }

        /// <summary>
        /// 重置密码
        /// </summary>
        /// <param name="pcSysNo"></param>
        /// <param name="pcPassword"></param>
        /// <param name="adminPassword"></param>
        /// <param name="pcMsg"></param>
        /// <param name="sysUserInfo"></param>
        /// <returns></returns>
        /// <exception cref="ArgumentNullException"></exception>
        public bool ResetPassword(string pcSysNo, string pcPassword, string adminPassword, ref string pcMsg, SysUserInfo sysUserInfo)
        {
            if (pcMsg == null) throw new ArgumentNullException(nameof(pcMsg));
            bool lbRetval = false;
            string lcErrorMsg = "";
            SysUser sysUser = GetSingle(a => a.SysNo == pcSysNo && a.IsLocked == "N");
            if (sysUser != null)
            {
                if (string.IsNullOrEmpty(adminPassword) || SysSecurity.Encrypt4CPlus(sysUserInfo.Password.Trim()) == adminPassword)
                {
                    Update(a => a.SysNo == pcSysNo, a => new SysUser { SysPassword = SysSecurity.Encrypt4CPlus(pcPassword.Trim()) });
                    if (Save())
                    {
                        pcMsg = "密码修改成功";
                        lbRetval = true;
                    }
                    else
                        lcErrorMsg = pcMsg = "密码修改失败";
                }
                else
                    pcMsg = "管理员密码错误";
                UnitOfWork.SysLogRepository.AddLog(sysUserInfo.UserType + " | Reset", " 重置密码" + pcMsg,
                    sysUserInfo.UserName + "|" + sysUserInfo.UserNo, lcErrorMsg);
            }
            else
            {
                pcMsg = "用户不存在或已被锁定！";
            }

            return lbRetval;
        }
    }
}