using Cksoft.Data;
using DllEapEntity;
using SharpCifs.Util.Sharpen;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DllEapDal.OFILM
{
    public class EapAppServerDal
    {
        private IDatabase CurrDb = null;
        public EapAppServerDal(IDatabase db)
        {
            CurrDb = db;
        }
        public IEnumerable<EapAppserver> Get(int start, int length, string order, string sort, string filter, string errorinfo)
        {
            var pros = CurrDb.FindListForCondition<EapAppserver>($" {filter} order by {sort} {order} limit {start - 1},{length}", ref errorinfo);
            return pros;
        }

        public int GetCount(string filter)
        {
            string errorinfo = string.Empty;
            var entities = CurrDb.FindListForCondition<EapAppserver>(filter, ref errorinfo);
            if (entities != null)
            {
                return entities.Count();
            }
            return 0;
        }

        public EapAppserver Get(int id)
        {
            var pro = CurrDb.FindEntityFor<EapAppserver>(id);
            return pro;
        }

        /// <summary>
        /// 添加角色并返回角色Id
        /// </summary>
        /// <param name="role"></param>
        /// <param name="userCode"></param>
        /// <returns></returns>
        public int Add(EapAppserver pro, string userCode, ref string errorinfo)
        {
            var entities = CurrDb.FindListForCondition<EapAppserver>($" and a.FCode='{pro.FCode}' ", ref errorinfo);
            if (entities != null && entities.Count() > 0)
            {
                errorinfo = "已存在相同编号的APP服务器，请确认";
                return -1;
            }
            CurrDb.InsertFor(pro, userCode);
            var sql = "select @@identity;";
            var id = Convert.ToInt32(CurrDb.FindList<string>(sql).FirstOrDefault() ?? "-1");
            return id;
        }

        /// <summary>
        /// 待优化  存在删除后不能
        /// </summary>
        /// <param name="role"></param>
        /// <param name="userCode"></param>
        /// <param name="errorinfo"></param>
        /// <returns></returns>
        public int Update(EapAppserver role, string userCode, ref string errorinfo)
        {
            var entities = CurrDb.FindListForCondition<EapAppserver>($" and a.FCode='{role.FCode}' " +
                $"and a.ID<>{role.ID}", ref errorinfo);
            if (entities != null && entities.Count() > 0)
            {
                errorinfo = "已存在相同编号的APP服务器，请确认";
                return -1;
            }
            if (CurrDb.UpdateFor(role, userCode) < 0)
            {
                return -1;
            }
            return role.ID;
        }
        public IEnumerable<EapAppserverMac> geteapappservermac(int id)
        {
            var sql = $"select * from eapappservermac where EapAppserverID={id}";
            return CurrDb.FindList<EapAppserverMac>(sql);
        }
        public int Delete(int id, ref string msg)
        {
            var sql = $"delete from eapappservermac where EapAppserverID={id}";
            if (CurrDb.ExecuteBySql(sql) < 0)
            {
                msg = "删除该APP服务器下的机台失败";
                return -1;
            }
            if (CurrDb.DeleteFor<EapAppserver>(id) < 0)
            {
                msg = "删除失败";
                return -1;
            }
            msg = string.Empty;
            return 1;
        }

        /// <summary>
        /// 获取机台下挂数量最少的AP服务器
        /// </summary>
        /// <param name="factoryId"></param>
        /// <returns></returns>
        public EapAppserver GetMacLeastServer(Machine mac)
        {
            if (mac.FCode.StartsWith("AA") && mac.FactoryId == 8)
            {
                return this.Get(8);
            }
            var sql = $@"select EapAppserverID from eapappservermac a 
                       inner join EapAppserver b on a.EapAppserverID=b.id 
                       where factoryid={mac.FactoryId} and b.id<>8
                       group by EapAppserverID order by count(1) asc limit 0,1";
            var serverId = Convert.ToInt32(CurrDb.FindList<string>(sql).FirstOrDefault() ?? "-1");
            if (serverId > 0)
            {
                return this.Get(serverId);
            }
            return null;
        }

    }
}