using System;
using System.Data;
using System.Data.Common;
using WebLib;

/// <summary>
/// Summary description for Login
/// </summary>
namespace 報到系統
{
    public class LoginBPSN : DAC
    {
        private string _userId = "";
        private string _password = "";
        private string _userName = "";
        private string _errMessage = "";
        private string _userLang = "";
        private bool _noPassword = false;
        private bool _isSystemManager;
        private bool _isCustomManager;
        private bool _isFieldStaffWorker;
        private bool _isQueryWorker;

        public LoginBPSN()
        {
        }

        public string UserId
        {
            get
            {
                return _userId;
            }
            set
            {
                _userId = value;
            }
        }

        public string Password
        {
            get
            {
                return _password;
            }
            set
            {
                _password = value;
            }
        }

        public string UserName
        {
            get
            {
                return _userName;
            }
        }

        public string ErrorMessage
        {
            get
            {
                return _errMessage;
            }
        }

        public bool NoPassword
        {
            get
            {
                return _noPassword;
            }
        }

        public string UserLang
        {
            get
            {
                return _userLang;
            }
            set
            {
                _userLang = value;
            }
        }

        /// <summary>
        /// 是否是管理員
        /// </summary>
        public bool IsSystemManager
        {
            get
            {
                return _isSystemManager;
            }
        }

        public bool IsCustomManager
        {
            get
            {
                return _isCustomManager;
            }
        }

        public bool IsFieldStaffWorker
        {
            get
            {
                return _isFieldStaffWorker;
            }
        }

        public bool IsQueryWorker
        {
            get
            {
                return _isQueryWorker;
            }
        }

        /// <summary>
        /// 取得是否登入成功
        /// </summary>
        /// <returns>登入成功與否。若回傳 false，錯誤訊息將儲存在 ErrorMessage 屬性中</returns>
        public bool GetResult()
        {
            DbCommand cmd = NewCommand("SELECT BPENO, BPNME, BPEDY, BPAWD FROM BPSNView WHERE BPENO=@BPENO");
            AddParam(cmd, "BPENO", _userId);
            DataTable rs = Select(cmd);
            _noPassword = false;

            if (rs.Rows.Count == 0)
            {
                _errMessage = "無此使用者代號或是密碼錯誤";
                return false;
            }
            else
            {
                string pwd1 = GetString(rs.Rows[0]["BPAWD"]);
                string pwd2 = EncDec.KeyDec(pwd1);

                if (pwd1.CompareTo("\u007f\u007f\u007f\u007f") == 0)
                {
                    _noPassword = true;
                    pwd2 = "";
                }

                if (_password.CompareTo(pwd2) != 0)
                {
                    _errMessage = "無此使用者代號或是密碼錯誤";
                    return false;
                }

                if (rs.Rows[0]["BPEDY"] != DBNull.Value)
                {
                    _errMessage = "您沒有使用這個系統的權限";
                    return false;
                }
            }

            _errMessage = "";
            _userName = GetString(rs.Rows[0]["BPNME"]);
            DAC_BPSN dacBPSN = new DAC_BPSN(conn);
            _isSystemManager = dacBPSN.Is系統管理群組(_userId);
            _isCustomManager = dacBPSN.Is客戶管理群組(_userId);
            _isFieldStaffWorker = dacBPSN.Is現場工作群組(_userId);
            _isQueryWorker = dacBPSN.Is查詢群組(_userId);

            return true;
        }
    }
}