using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using AutoMapper;
using AutoMapper.QueryableExtensions;
using InventoryTraker.Web.Core;
using InventoryTraker.Web.Data;
using InventoryTraker.Web.Models;

namespace InventoryTraker.Web.Controllers
{
	public class ReportController : ControllerBase
	{
		private readonly AppDbContext _context;

		public ReportController(AppDbContext context)
		{
			_context = context;
		}

		[HttpGet]
		public ActionResult Distribution()
		{
			return View();
		}

		public ActionResult Distribution(DateTime startDate, DateTime endDate)
		{
			var query =
				from t in _context.Transactions
				where
					t.TransactionType == TransactionType.Distributed
					&& t.TransactionDate >= startDate
					&& t.TransactionDate < endDate
				group t by new { t.TransactionDate, t.Destination }
				into g
				select new
				{
					Date = g.Key.TransactionDate,
					Destination = g.Key.Destination,
					Transactions = g.ToList()
						//(from transaction in g
						//select Mapper.Map<TransactionViewModel>(transaction)).ToArray()
				};

			var report =
				from item in query.ToArray()
				select new DistributionReport
				{
					Date = item.Date,
					Destination = item.Destination,
					Transactions =
						Mapper.Map<IList<Transaction>, IList<TransactionViewModel>>
							(item.Transactions).ToArray()
				};

			return BetterJson(report.ToArray());
		}
	}
}