using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Models;

namespace DAL
{
    /// <summary>
    /// 团组附件下载统计数据访问层
    /// </summary>
    public class TeamAttachmentService
    {

        /// <summary>
        /// 查询所有数据
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回集合</returns>
        List<TeamAttachmentInfo> excuteSql(string sql, params SqlParameter[] param)
        {
            return ServiceBase<TeamAttachmentInfo>.excuteSql(new TeamAttachmentInfo(), "TeamAttachmentInfo", sql, CommandType.Text, param);
        }

        /// <summary>
        /// 获取单个对象
        /// </summary>
        /// <param name="sql">sql语句</param>
        /// <param name="param">可变参数数组</param>
        /// <returns>返回空或者单个对象</returns>
        TeamAttachmentInfo excuteType(string sql, params SqlParameter[] param)
        {
            //查询结果放入对象集合
            List<TeamAttachmentInfo> ctggdList = excuteSql(sql, param);
            //判断集合是否为空
            if (ctggdList == null || ctggdList.Count == 0)
                //返回null
                return null;
            //返回单个对象
            return ctggdList[0];
        }
        //增Add
        public bool Add(TeamAttachmentInfo tai)
        {
            string sql = "insert into TeamAttachment values(@Diid,@AirNumber,@HotelNumber,@VisaNumber,@InvitedNumber,@OfficialNumber,@PickNumber,@Oper,@OperDate,@Isdel);SELECT @@IDENTITY";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@Diid",tai.Diid),
                new SqlParameter("@AirNumber",tai.AirNumber),
                new SqlParameter("@HotelNumber",tai.HotelNumber),
                new SqlParameter("@VisaNumber",tai.VisaNumber),
                new SqlParameter("@InvitedNumber",tai.InvitedNumber),
                new SqlParameter("@OfficialNumber",tai.OfficialNumber),
                new SqlParameter("@PickNumber",tai.PickNumber),
                new SqlParameter("@Oper",tai.Oper),
                new SqlParameter("@OperDate",tai.OperDate),
                new SqlParameter("@Isdel",tai.Isdel)
            };

            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }
        //删Delete
        public bool Del(int id)
        {
            if (SqlHelper.ExecuteNonQuery("update TeamAttachment set IsDel = 1 where Id = @Id", CommandType.Text, new SqlParameter("@Id", id)) > 0)
                return true;
            return false;
        }
        //改Update
        public bool Edit(TeamAttachmentInfo tai)
        {
            string sql = "update TeamAttachment set AirNumber=@AirNumber,HotelNumber=@HotelNumber,VisaNumber=@VisaNumber,InvitedNumber=@InvitedNumber," +
                         "OfficialNumber=@OfficialNumber,PickNumber=@PickNumber,Oper=@Oper,OperDate=@OperDate,Isdel=@Isdel where Id = @Id";

            SqlParameter[] parameter = new SqlParameter[]{
                new SqlParameter("@AirNumber",tai.AirNumber),
                new SqlParameter("@HotelNumber",tai.HotelNumber),
                new SqlParameter("@VisaNumber",tai.VisaNumber),
                new SqlParameter("@InvitedNumber",tai.InvitedNumber),
                new SqlParameter("@OfficialNumber",tai.OfficialNumber),
                new SqlParameter("@PickNumber",tai.PickNumber),
                new SqlParameter("@Oper",tai.Oper),
                new SqlParameter("@OperDate",tai.OperDate),
                new SqlParameter("@Isdel",tai.Isdel),
                new SqlParameter("@Id",tai.Id)
            };

            if (SqlHelper.ExecuteNonQuery(sql, CommandType.Text, parameter) > 0)
                return true;
            return false;
        }

        /// <summary>
        /// 根据团组id singer
        /// </summary>
        /// <param name="diid">团组id</param>
        /// <returns></returns>
        public TeamAttachmentInfo GetByDiid(int diid)
        {
            //调用获取单个对象的方法
            return excuteType("select * from TeamAttachment where IsDel=0 and Diid=@diid ", new SqlParameter("@diid", diid));
        }

        /// <summary>
        /// 根据团组id
        /// </summary>
        /// <param name="diid">团组id</param>
        /// <returns></returns>
        public List<TeamAttachmentInfo> GetByDiids(int diid)
        {
            //调用获取单个对象的方法
            return excuteSql("select * from TeamAttachment where IsDel=0 and Diid=@diid ", new SqlParameter("@diid", diid));
        }
    }
}