using System.Collections.Generic;
using System.Linq;
using FluentAssertions;
using Moq;
using NUnit.Framework;
using NzbDrone.Core.Indexers.Newznab;
using NzbDrone.Core.IndexerSearch.Definitions;
using NzbDrone.Core.Test.Framework;

namespace NzbDrone.Core.Test.IndexerTests.NewznabTests
{
    public class NewznabRequestGeneratorFixture : CoreTest<NewznabRequestGenerator>
    {
        private MovieSearchCriteria _movieSearchCriteria;
        private NewznabCapabilities _capabilities;

        [SetUp]
        public void SetUp()
        {
            Subject.Settings = new NewznabSettings()
            {
                 Url = "http://127.0.0.1:1234/",
                 Categories = new [] { 1, 2 },
                 AnimeCategories = new [] { 3, 4 },
                 ApiKey = "abcd",
            };

            _movieSearchCriteria = new MovieSearchCriteria
            {
				Movie = new Tv.Movie { ImdbId = "tt0076759", Title = "Star Wars", Year = 1977 }
            };

            _capabilities = new NewznabCapabilities();

            Mocker.GetMock<INewznabCapabilitiesProvider>()
                .Setup(v => v.GetCapabilities(It.IsAny<NewznabSettings>()))
                .Returns(_capabilities);
        }

        [Test]
        public void should_use_all_categories_for_feed()
        {
            var results = Subject.GetRecentRequests();

            results.GetAllTiers().Should().HaveCount(1);

            var page = results.GetAllTiers().First().First();

            page.Url.Query.Should().Contain("&cat=1,2,3,4&");
        }

        [Test]
        public void should_not_have_duplicate_categories()
        {
            Subject.Settings.Categories = new[] { 1, 2, 3 };

            var results = Subject.GetRecentRequests();

            results.GetAllTiers().Should().HaveCount(1);

            var page = results.GetAllTiers().First().First();

            page.Url.FullUri.Should().Contain("&cat=1,2,3,4&");
        }

        [Test]
        public void should_return_subsequent_pages()
        {
            var results = Subject.GetSearchRequests(_movieSearchCriteria);

            results.GetAllTiers().Should().HaveCount(1);

            var pages = results.GetAllTiers().First().Take(3).ToList();

            pages[0].Url.FullUri.Should().Contain("&offset=0&");
            pages[1].Url.FullUri.Should().Contain("&offset=100&");
            pages[2].Url.FullUri.Should().Contain("&offset=200&");
        }

        [Test]
        public void should_not_get_unlimited_pages()
        {
            var results = Subject.GetSearchRequests(_movieSearchCriteria);

            results.GetAllTiers().Should().HaveCount(1);

            var pages = results.GetAllTiers().First().Take(500).ToList();

            pages.Count.Should().BeLessThan(500);
        }

        [Test]
        public void should_not_search_by_imdbid_if_not_supported()
        {
            _capabilities.SupportedMovieSearchParameters = new[] { "q" };

            var results = Subject.GetSearchRequests(_movieSearchCriteria);

            results.GetAllTiers().Should().HaveCount(1);

            var page = results.GetAllTiers().First().First();

            page.Url.Query.Should().NotContain("imdbid=0076759");
            page.Url.Query.Should().Contain("q=star");
        }

        [Test]
        public void should_search_by_imdbid_if_supported()
        {
			_capabilities.SupportedMovieSearchParameters = new[] { "q", "imdbid" };

            var results = Subject.GetSearchRequests(_movieSearchCriteria);
            results.GetTier(0).Should().HaveCount(1);

            var page = results.GetAllTiers().First().First();

            page.Url.Query.Should().Contain("imdbid=0076759");
        }

    }
}