using System.Linq;
using FizzWare.NBuilder;
using FluentAssertions;
using Marr.Data;
using Moq;
using NUnit.Framework;
using NzbDrone.Common.Disk;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Parser.Model;
using NzbDrone.Core.Test.Framework;
using NzbDrone.Core.Movies;
using NzbDrone.Test.Common;

namespace NzbDrone.Core.Test.MediaFiles
{
    public class UpgradeMediaFileServiceFixture : CoreTest<UpgradeMediaFileService>
    {
        private MovieFile _movieFile;
        private LocalMovie _localMovie;

        [SetUp]
        public void Setup()
        {
            _localMovie = new LocalMovie();
            _localMovie.Movie = new Movie
                                   {
                                       Path = @"C:\Test\TV\Series".AsOsAgnostic()
                                   };

            _movieFile = Builder<MovieFile>
                .CreateNew()
                .Build();


            Mocker.GetMock<IDiskProvider>()
                .Setup(c => c.FileExists(It.IsAny<string>()))
                .Returns(true);
        }

        private void GivenSingleEpisodeWithSingleEpisodeFile()
        {
            _localMovie.Movie.MovieFileId = 1;
            _localMovie.Movie.MovieFile =
                new MovieFile
                {
                    Id = 1,
                    RelativePath = @"Season 01\30.rock.s01e01.avi",
                };
        }

        [Test]
        public void should_delete_single_episode_file_once()
        {
            GivenSingleEpisodeWithSingleEpisodeFile();

            Subject.UpgradeMovieFile(_movieFile, _localMovie);

            Mocker.GetMock<IRecycleBinProvider>().Verify(v => v.DeleteFile(It.IsAny<string>(), It.IsAny<string>()), Times.Once());
        }



        [Test]
        public void should_delete_episode_file_from_database()
        {
            GivenSingleEpisodeWithSingleEpisodeFile();

            Subject.UpgradeMovieFile(_movieFile, _localMovie);

            Mocker.GetMock<IMediaFileService>().Verify(v => v.Delete(It.IsAny<MovieFile>(), DeleteMediaFileReason.Upgrade), Times.Once());
        }

        [Test]
        public void should_delete_existing_file_fromdb_if_file_doesnt_exist()
        {
            GivenSingleEpisodeWithSingleEpisodeFile();

            Mocker.GetMock<IDiskProvider>()
                .Setup(c => c.FileExists(It.IsAny<string>()))
                .Returns(false);

            Subject.UpgradeMovieFile(_movieFile, _localMovie);

            Mocker.GetMock<IMediaFileService>().Verify(v => v.Delete(_localMovie.Movie.MovieFile, DeleteMediaFileReason.Upgrade), Times.Once());
        }

        [Test]
        public void should_not_try_to_recyclebin_existing_file_if_file_doesnt_exist()
        {
            GivenSingleEpisodeWithSingleEpisodeFile();

            Mocker.GetMock<IDiskProvider>()
                .Setup(c => c.FileExists(It.IsAny<string>()))
                .Returns(false);

            Subject.UpgradeMovieFile(_movieFile, _localMovie);

            Mocker.GetMock<IRecycleBinProvider>().Verify(v => v.DeleteFile(It.IsAny<string>(), It.IsAny<string>()), Times.Never());
        }

        [Test]
        public void should_return_old_episode_file_in_oldFiles()
        {
            GivenSingleEpisodeWithSingleEpisodeFile();

            Subject.UpgradeMovieFile(_movieFile, _localMovie).OldFiles.Count.Should().Be(1);
        }
    }
}