using System;
using System.ComponentModel.DataAnnotations;
using AutoMapper;
using InventoryTraker.Web.Core;

namespace InventoryTraker.Web.Models
{
	public class TransactionViewModel
	{
		[Required]
		public int Id { get; set; }
		public int InventoryId { get; set; }

		public string Name { get; set; }
		public int UnitsPerCase { get; set; }
		public string ContainerType { get; set; }
		public DateTime ExpirationDate { get; set; }
		public DateTime AddedDate { get; set; }
		public double WeightPerCase { get; set; }

		public string TransactionType { get; set; }

		public int PreviousQuantity { get; set; }

		public int AddedQuantity { get; set; }

		public int RemovedQuantity { get; set; }

		public int CurrentQuantity { get; set; }

		public DateTime TransactionDate { get; set; }

		public string Memo { get; set; }

		public string Destination { get; set; }

		public DateTime Timestamp { get; set; }

		public class AutoMapperProfile : Profile
		{
			public AutoMapperProfile()
			{
				CreateMap<Transaction, TransactionViewModel>()
					.ForMember(d => d.InventoryId,
						opt => opt.MapFrom(s => s.Inventory.Id))
					.ForMember(d => d.Name,
						opt => opt.MapFrom(s => s.Inventory.InventoryType.Name))
					.ForMember(d => d.ExpirationDate,
						opt => opt.MapFrom(s => s.Inventory.ExpirationDate))
					.ForMember(d => d.AddedDate,
						opt => opt.MapFrom(s => s.Inventory.AddedDate))
					.ForMember(d => d.UnitsPerCase,
						opt => opt.MapFrom(s => s.Inventory.InventoryType.UnitsPerCase))
					.ForMember(d => d.ContainerType,
						opt => opt.MapFrom(s => s.Inventory.InventoryType.ContainerType))
					.ForMember(d => d.WeightPerCase,
						opt => opt.MapFrom(s => s.Inventory.InventoryType.WeightPerCase))
					.ForMember(d => d.TransactionType,
						opt => opt.MapFrom(s => s.TransactionType.ToString()))
					.ForMember(d => d.PreviousQuantity,
						opt => opt.MapFrom(s => s.CurrentQuantity - s.AddedQuantity + s.RemovedQuantity));
			}
		}
	}
}