using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Persistence;
using ServiceStack.ServiceHost;

namespace MediaBrowser.Api
{
    /// <summary>
    /// Class GetSimilarGames
    /// </summary>
    [Route("/Games/{Id}/Similar", "GET")]
    [Api(Description = "Finds games similar to a given game.")]
    public class GetSimilarGames : BaseGetSimilarItemsFromItem
    {
    }

    /// <summary>
    /// Class GamesService
    /// </summary>
    public class GamesService : BaseApiService
    {
        /// <summary>
        /// The _user manager
        /// </summary>
        private readonly IUserManager _userManager;

        /// <summary>
        /// The _user data repository
        /// </summary>
        private readonly IUserDataRepository _userDataRepository;
        /// <summary>
        /// The _library manager
        /// </summary>
        private readonly ILibraryManager _libraryManager;

        private readonly IItemRepository _itemRepo;

        /// <summary>
        /// Initializes a new instance of the <see cref="GamesService" /> class.
        /// </summary>
        /// <param name="userManager">The user manager.</param>
        /// <param name="userDataRepository">The user data repository.</param>
        /// <param name="libraryManager">The library manager.</param>
        /// <param name="itemRepo">The item repo.</param>
        public GamesService(IUserManager userManager, IUserDataRepository userDataRepository, ILibraryManager libraryManager, IItemRepository itemRepo)
        {
            _userManager = userManager;
            _userDataRepository = userDataRepository;
            _libraryManager = libraryManager;
            _itemRepo = itemRepo;
        }

        /// <summary>
        /// Gets the specified request.
        /// </summary>
        /// <param name="request">The request.</param>
        /// <returns>System.Object.</returns>
        public object Get(GetSimilarGames request)
        {
            var result = SimilarItemsHelper.GetSimilarItemsResult(_userManager,
                _itemRepo,
                _libraryManager,
                _userDataRepository,
                Logger,
                request, item => item is Game,
                SimilarItemsHelper.GetSimiliarityScore);

            return ToOptimizedResult(result);
        }
    }
}