using System;
using System.Collections.Generic;
using JetBrains.Annotations;
using VideoGameQuotes.Api;

namespace VideoGameQuotes.Web.Models {

	public class QuoteCollectionModel {
		public IEnumerable<Quote> Quotes { get; set; }
		public User User { get; set; }
	}

	public class PagedQuoteCollectionModel : QuoteCollectionModel {
		public int Start { get; set; }
		public int End { get; set; }
		public int PageSize { get { return End - Start + 1; } }
		public int NextStart { get { return End + 1; } }
		public int NextEnd { get { return End + PageSize; } }
		public int PreviousStart { get { return Math.Max(0, Start - PageSize); } }
		public int PreviousEnd { get { return Math.Max(PageSize - 1, End - PageSize); } }
		public bool HasPrevious { get { return Start > 0; } }
	}

	public class QuoteModel {
		[NotNull]
		public Quote Quote { get; set; }
		public User User { get; set; }

		public bool VotedUp {
			get { return Quote.VotedFor(User) == VoteDirection.Up; }
		}

		public bool VotedDown {
			get { return Quote.VotedFor(User) == VoteDirection.Down; }
		}
	}
}