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 InventoryController : ControllerBase
	{
		private readonly AppDbContext _context;

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

		public ActionResult Index()
		{
			return View();
		}

		public JsonResult All()
		{
			var viewModels = _context.Inventories
				.OrderBy(x => x.InventoryType.Name)
				.ProjectTo<InventoryViewModel>()
				.ToArray();

			return BetterJson(viewModels);
		}

		public JsonResult Add(InventoryAddForm form)
		{
			if (!ModelState.IsValid)
				return PackageModelStateErrors();

			var inventory = Mapper.Map<Inventory>(form);
			inventory.InventoryType = _context.InventoryTypes.Find(form.InventoryTypeId);
			_context.Inventories.Add(inventory);
			inventory.Transactions = new List<Transaction>();
			inventory.Transactions.Add(new Transaction
			{
				AddedQuantity = inventory.Quantity,
				Memo = "Arrival",
				Timestamp = DateTime.Now,
				TransactionDate = inventory.AddedDate
			});
			_context.SaveChanges();

			var model = Mapper.Map<InventoryViewModel>(inventory);
			return BetterJson(model);
		}
	}
}