using System.Collections.Generic;
using System.Linq;
using Portoa.Persistence;
using VideoGameQuotes.Api;

namespace VideoGameQuotes.Web.Services {
	public interface IAdministrationService {
		User SaveUser(User user);
		IEnumerable<Quote> GetFlaggedQuotes();
	}

	public class AdministrationService : IAdministrationService {
		private readonly IRepository<User> userRepository;
		private readonly IRepository<Quote> quoteRepository;

		public AdministrationService(IRepository<User> userRepository, IRepository<Quote> quoteRepository) {
			this.userRepository = userRepository;
			this.quoteRepository = quoteRepository;
		}

		[UnitOfWork]
		public User SaveUser(User user) {
			return userRepository.Save(user);
		}

		[UnitOfWork]
		public IEnumerable<Quote> GetFlaggedQuotes() {
			return quoteRepository.Records
				.Where(quote => quote.Flags.Any())
				.ToArray()
				.OrderByDescending(quote => quote.Flags.Count());
		}

	}
}