using NSubstitute;
using System;
using System.Threading.Tasks;
using Xunit;

namespace Octokit.Tests.Clients
{
    public class RepositoryPagesClientTests
    {
        public class TheGetMethod
        {
            [Fact]
            public void RequestsCorrectUrl()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                client.Get("fake", "repo");

                connection.Received().Get<Page>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/pages"), null);
            }

            [Fact]
            public async Task EnsuresNonNullArguments()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get(null, "name"));
                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get("owner", null));
            }
        }

        public class TheGetBuildsMethod
        {
            [Fact]
            public void RequestsCorrectUrl()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                client.GetAllBuilds("fake", "repo");

                connection.Received().GetAll<PagesBuild>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/pages/builds"));
            }

            [Fact]
            public async Task EnsuresNonNullArguments()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get(null, "name"));
                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get("owner", null));
            }
        }

        public class TheGetLatestBuildMethod
        {
            [Fact]
            public void RequestsCorrectUrl()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                client.GetLatestBuild("fake", "repo");

                connection.Received().Get<PagesBuild>(Arg.Is<Uri>(u => u.ToString() == "repos/fake/repo/pages/builds/latest"), null);
            }

            [Fact]
            public async Task EnsuresNonNullArguments()
            {
                var connection = Substitute.For<IApiConnection>();
                var client = new RepositoryPagesClient(connection);

                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get(null, "name"));
                await Assert.ThrowsAsync<ArgumentNullException>(() => client.Get("owner", null));
            }
        }
    }
}