using BaseOUDAL;
using YLErp.BLL;

namespace YLErp.Modules.DataProviderModule
{
    /// <summary>
    /// 交易权限服务
    /// </summary>
    public class TradeRightProvider
    {
        /// <summary>
        /// 获取用户授信权限
        /// </summary>
        public static List<int> GetClientVarietyIds(int clientId)
        {
            var allVarietyIds = DataCacheProvider.GetVarietyDataSource().AsQueryable().Select(v => v.id).ToList();

            //如果不用没有要限制交易品种
            if (!PS.Config.ClientElement.CanSelectCreditVariety)
            {
                return allVarietyIds;
            }

            var credits = DbContextFactory.GetYLDbContext().credit.Where(c => c.ClientId == clientId)
                .Select(n => new { n.LimitVariety, n.IsFeelingWhiteList, n.VarietyId }).ToList();

            if (credits.Any(c => !c.LimitVariety))
            {
                return allVarietyIds;
            }

            var varietyids = new List<int>();

            foreach (var c in credits)
            {
                var VarietyIdsInt = DataConvert.ConvertCommaValuesToInt32Array(c.VarietyId);

                if (c.IsFeelingWhiteList)
                {
                    varietyids.AddRange(VarietyIdsInt);
                }
                else
                {
                    varietyids.AddRange(allVarietyIds.Except(VarietyIdsInt));
                }
            }

            return varietyids.Distinct().ToList();
        }

        /// <summary>
        /// 获取客户授信
        /// </summary>
        public static List<CreditTable> GetClientCredits(int clientId)
        {
            var curDate = valuedateBLL.ValueDate;
            var predicate = PredicateBuilder.Create<CreditTable>(c =>
                 c.ClientId == clientId && c.ProcessStatus == "已审批"
                 && (!c.CreditStartDate.HasValue || c.CreditStartDate <= curDate)
                 && (!c.CreditDeadLine.HasValue || c.CreditDeadLine >= curDate)
                 && c.Type == CreditTable.ClientType);
            return DbContextFactory.GetYLDbContext().credit.Where(predicate).ToList();
        }


        public static IEnumerable<int> GetUserVarietyIds(int userId)
        {
            return UserBLL.GetUserVarietyIds(userId);
        }

        /// <summary>
        /// 获取交易权限配置
        /// </summary>
        public static IEnumerable<CreditTable> GetRoleCredits(IEnumerable<int> roleIds)
        {
            var predicate = PredicateBuilder.Create<CreditTable>(c => c.Type == CreditTable.RoleType && c.RoleId != null && roleIds.Contains(c.RoleId.Value));
            return DbContextFactory.GetYLDbContext().credit.Where(predicate).ToArray();
        }
    }
}