using System.Linq.Expressions;
using YLErp.Abstract;
using YLErp.Models;
using YLErp.Modules.ClientModule;

namespace YLErp.Modules.EodModule.QueryModule
{
    /// <summary>
    /// 日终结算信息查询上下文
    /// </summary>
    public class EodSettleInfoQueryContext : YLServiceContext, IDataSource<ClientMainInfo>
    {
        Dictionary<int, ClientMainInfo> _dic;

        public EodSettleInfoQueryContext(OptUserInfo userInfo) : base(userInfo)
        {

        }

        #region----IDataSource<ClientMainInfo>----

        public int Count => _dic != null ? _dic.Count : 0;

        public IQueryable<ClientMainInfo> AsQueryable(Expression<Func<ClientMainInfo, bool>> predicate = null)
        {
            InitClientDic();

            var qry = _dic.Values.AsQueryable();

            return predicate == null ? qry : qry.Where(predicate);
        }

        public ClientMainInfo GetData(int keyId)
        {
            TryGetClientInfo(keyId, out var clientInfo);

            return clientInfo;
        }

        public void ResetDataSource()
        {
            _dic?.Clear();
        }

        #endregion

        /// <summary>
        /// 获取客户信息
        /// </summary>
        public bool TryGetClientInfo(int clientId, out ClientMainInfo clientInfo)
        {
            InitClientDic();

            return _dic.TryGetValue(clientId, out clientInfo);
        }

        /// <summary>
        /// 
        /// </summary>
        public List<int> GetClientIds()
        {
            InitClientDic();

            return _dic.Keys.ToList();
        }

        public List<int> GetClientIdsOfInside()
        {
            var clientIds = GetClientIds();
            using (var clientdb = DbContextFactory.GetClientDbContext(null))
            {
                if (clientIds.Any())
                {
                    return clientdb.client.Where(a => clientIds.Contains(a.id) && a.IsInsided ==1).Select(a => a.id).ToList();
                }
                else
                {
                    return new List<int>();
                }
            }
        }


        private void InitClientDic()
        {
            if (_dic == null)
            {
                _dic = ClientDataQueryService.GetClientsFromDB(x => x.ProcessStatus != "未提交").ToDictionary(n => n.id);
            }
        }
    }
}