using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Data.Common;
using System.ComponentModel;
using WebLib;

namespace 報到系統
{
    [DataObject]
    public class DAC_BPSN : DAC
    {
        public DAC_BPSN()
        { }

        public DAC_BPSN(DbConnection conn)
          : base(conn)
        { }

        public string Get員工姓名(object BPENO)
        {
            if (BPENO == null)
                BPENO = DBNull.Value;

            DbCommand cmd = NewCommand();
            cmd.CommandText = @"SELECT BPNME FROM BPSNView WHERE BPENO=@BPENO";
            AddParam(cmd, "BPENO", BPENO);
            string result;
            ExecuteScalar(cmd, out result);
            return result;
        }

        public string Get電子郵件(object BPENO)
        {
            if (BPENO == null)
                BPENO = DBNull.Value;

            DbCommand cmd = NewCommand();
            cmd.CommandText = @"SELECT BPEML FROM BPSNView WHERE BPENO=@BPENO";
            AddParam(cmd, "BPENO", BPENO);
            string result;
            ExecuteScalar(cmd, out result);
            return result;
        }

        public string Get公司電話(object BPENO)
        {
            if (BPENO == null)
                BPENO = DBNull.Value;

            DbCommand cmd = NewCommand();
            cmd.CommandText = @"SELECT BPOTL FROM BPSNView WHERE BPENO=@BPENO";
            AddParam(cmd, "BPENO", BPENO);
            string result;
            ExecuteScalar(cmd, out result);
            return result;
        }

        public bool Is群組(string BPENO, string BPGLP)
        {
            if (BPENO == null)
                return false;

            DbCommand cmd = NewCommand();
            cmd.CommandText = @"SELECT COUNT(1) FROM BWEH WHERE BPENO=@BPENO AND BPGLP=@BPGLP";
            AddParam(cmd, "BPENO", BPENO);
            AddParam(cmd, "BPGLP", BPGLP);
            int i;
            ExecuteScalar(cmd, out i);
            return i > 0;
        }

        public bool Is系統管理群組(string BPENO)
        {
            return Is群組(BPENO, PublicVariable.SystemManagerGroup);
        }

        public bool Is客戶管理群組(string BPENO)
        {
            return Is群組(BPENO, PublicVariable.CustomManagerGroup);
        }

        public bool Is現場工作群組(string BPENO)
        {
            return Is群組(BPENO, PublicVariable.FieldStaffGroup);
        }

        public bool Is查詢群組(string BPENO)
        {
            return Is群組(BPENO, PublicVariable.QueryGroup);
        }

        [DataObjectMethod(DataObjectMethodType.Select)]
        public NameValueList Select(string keyword)
        {
            if (string.IsNullOrEmpty(keyword))
                return null;

            DbCommand cmdSelect = NewCommand();
            cmdSelect.CommandText =
              @"select BPENO as Value, BPNME as Name
                from BPSNView
                where BPEDY is null ";

            cmdSelect.CommandText += " and (BPENO like @BPENO or BPNME like @BPNME)";
            AddParam(cmdSelect, "BPENO", $"%{keyword}%");
            AddParam(cmdSelect, "BPNME", $"%{keyword}%");

            cmdSelect.CommandText += " order by BPENO";

            var result = new NameValueList();
            var list = result as IDataList;
            Select(cmdSelect, ref list);
            return result;
        }

        /// <summary>
        /// 客戶端下載員工名單使用
        /// </summary>
        /// <returns></returns>
        public BPSNList SelectForClient()
        {
            DbCommand cmdSelect = NewCommand();
            cmdSelect.CommandText =
              @"SELECT 
                    A.BPENO,
                    A.BPNME,
                    '' AS BPAWD,
                    MAX(CASE WHEN B.BPGLP = 'SG01' THEN 1 ELSE 0 END) AS Is系統管理群組,
                    MAX(CASE WHEN B.BPGLP = 'SG02' THEN 1 ELSE 0 END) AS Is客戶管理群組,
                    MAX(CASE WHEN B.BPGLP = 'SG03' THEN 1 ELSE 0 END) AS Is現場工作群組,
                    MAX(CASE WHEN B.BPGLP = 'SG04' THEN 1 ELSE 0 END) AS Is查詢群組
                FROM BPSNView A
                LEFT JOIN BWEH B ON A.BPENO = B.BPENO AND B.BPGLP IN ('SG01','SG02','SG03','SG04')
                WHERE A.BPEDY IS NULL
                GROUP BY A.BPENO, A.BPNME, A.BPAWD";
            var result = new BPSNList();
            var list = result as IDataList;
            Select(cmdSelect, ref list);
            return result;
        }
    }

    [Serializable]
    public class BPSNList : List<BPSNItem>, IDataList
    {
        public void Fill(DbDataReader reader)
        {
            DAC.FillData<BPSNItem>(reader, this);
        }
    }

    [Serializable]
    public class BPSNItem
    {
        [DataObjectField(true, false, false)]
        public string BPENO { get; set; }

        [DataObjectField(false, false, true)]
        public string BPNME { get; set; }

        [DataObjectField(false, false, true)]
        public string BPAWD { get; set; }

        [DataObjectField(false, false, true)]
        public int Is系統管理群組 { get; set; }

        [DataObjectField(false, false, true)]
        public int Is客戶管理群組 { get; set; }

        [DataObjectField(false, false, true)]
        public int Is現場工作群組 { get; set; }

        [DataObjectField(false, false, true)]
        public int Is查詢群組 { get; set; }
    }
}