using BeWo.Data.Entities;
using BS.Shared;
using DevExpress.XtraPrinting;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace BeWo.Data.Access
{
	public class ScriptDAO : AbstractBaseDAO
	{
		private string LoadSQLStatement(string statementName)
		{
			string sqlStatement = string.Empty;

			string namespacePart = "BeWo.Data.Access.Scripts";
			string resourceName = namespacePart + "." + statementName;

			using (Stream stm = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))
			{
				if (stm != null)
				{
					sqlStatement = new StreamReader(stm).ReadToEnd();
				}
			}

			return sqlStatement;
		}

		public decimal? GetGkvSumByDateRange(DateTime? start, DateTime? end)
		{
			var sql = LoadSQLStatement("GetGkvSumByDateRange.sql");

			var rtn = Session.CreateSQLQuery(sql)
				.SetParameter(0, start ?? DateTime.MinValue)
				.SetParameter(1, end ?? DateTime.MaxValue)
				.UniqueResult<decimal>();

			return rtn;
		}

		public IEnumerable<long> GetGkvSumByDateRange2(DateTime? start, DateTime? end)
		{
			var sql = LoadSQLStatement("GetGkvSumByDateRange2.sql");

			var rtn = Session.CreateSQLQuery(sql)
				.SetParameter(0, start ?? DateTime.MinValue)
				.SetParameter(1, end ?? DateTime.MaxValue)
				.List<long>();

			return rtn;
		}
	}
}