using Moq;
using NUnit.Framework;
using System;
using System.Linq;
using System.Web;
using Umbraco.Core;
using Umbraco.Core.Models;
using Umbraco.Core.Models.PublishedContent;
using Umbraco.Tests.Common;
using Umbraco.Tests.TestHelpers;
using Umbraco.Tests.Testing.Objects;
using Umbraco.Web;
using Umbraco.Web.Routing;
using Umbraco.Web.Templates;

namespace Umbraco.Tests.Templates
{
    [TestFixture]
    public class HtmlLocalLinkParserTests
    {
        [Test]
        public void Returns_Udis_From_LocalLinks()
        {
            var input = @"<p>
    <div>
        <img src='/media/12312.jpg' data-udi='umb://media/D4B18427A1544721B09AC7692F35C264' />
        <a href=""{locallink:umb://document/C093961595094900AAF9170DDE6AD442}"">hello</a>
    </div>
</p><p><img src='/media/234234.jpg' data-udi=""umb://media-type/B726D735E4C446D58F703F3FBCFC97A5"" />
<a href=""{locallink:umb://document-type/2D692FCB070B4CDA92FB6883FDBFD6E2}"">hello</a>
</p>";

            var umbracoContextAccessor = new TestUmbracoContextAccessor();
            var parser = new HtmlLocalLinkParser(umbracoContextAccessor, Mock.Of<IPublishedUrlProvider>());

            var result = parser.FindUdisFromLocalLinks(input).ToList();

            Assert.AreEqual(2, result.Count);
            Assert.AreEqual(UdiParser.Parse("umb://document/C093961595094900AAF9170DDE6AD442"), result[0]);
            Assert.AreEqual(UdiParser.Parse("umb://document-type/2D692FCB070B4CDA92FB6883FDBFD6E2"), result[1]);
        }

        [TestCase("", "")]
        [TestCase("hello href=\"{localLink:1234}\" world ", "hello href=\"/my-test-url\" world ")]
        [TestCase("hello href=\"{localLink:umb://document/9931BDE0-AAC3-4BAB-B838-909A7B47570E}\" world ", "hello href=\"/my-test-url\" world ")]
        [TestCase("hello href=\"{localLink:umb://document/9931BDE0AAC34BABB838909A7B47570E}\" world ", "hello href=\"/my-test-url\" world ")]
        [TestCase("hello href=\"{localLink:umb://media/9931BDE0AAC34BABB838909A7B47570E}\" world ", "hello href=\"/media/1001/my-image.jpg\" world ")]
        //this one has an invalid char so won't match
        [TestCase("hello href=\"{localLink:umb^://document/9931BDE0-AAC3-4BAB-B838-909A7B47570E}\" world ", "hello href=\"{localLink:umb^://document/9931BDE0-AAC3-4BAB-B838-909A7B47570E}\" world ")]
        [TestCase("hello href=\"{localLink:umb://document-type/9931BDE0-AAC3-4BAB-B838-909A7B47570E}\" world ", "hello href=\"#\" world ")]
        public void ParseLocalLinks(string input, string result)
        {
            //setup a mock url provider which we'll use for testing
            var contentUrlProvider = new Mock<IUrlProvider>();
            contentUrlProvider
                .Setup(x => x.GetUrl( It.IsAny<IPublishedContent>(), It.IsAny<UrlMode>(), It.IsAny<string>(), It.IsAny<Uri>()))
                .Returns(UrlInfo.Url("/my-test-url"));
            var contentType = new PublishedContentType(Guid.NewGuid(), 666, "alias", PublishedItemType.Content, Enumerable.Empty<string>(), Enumerable.Empty<PublishedPropertyType>(), ContentVariation.Nothing);
            var publishedContent = new Mock<IPublishedContent>();
            publishedContent.Setup(x => x.Id).Returns(1234);
            publishedContent.Setup(x => x.ContentType).Returns(contentType);

            var mediaType = new PublishedContentType(Guid.NewGuid(), 777, "image", PublishedItemType.Media, Enumerable.Empty<string>(), Enumerable.Empty<PublishedPropertyType>(), ContentVariation.Nothing);
            var media = new Mock<IPublishedContent>();
            media.Setup(x => x.ContentType).Returns(mediaType);
            var mediaUrlProvider = new Mock<IMediaUrlProvider>();
            mediaUrlProvider.Setup(x => x.GetMediaUrl(It.IsAny<IPublishedContent>(), It.IsAny<string>(), It.IsAny<UrlMode>(), It.IsAny<string>(), It.IsAny<Uri>()))
                .Returns(UrlInfo.Url("/media/1001/my-image.jpg"));

            var umbracoContextAccessor = new TestUmbracoContextAccessor();

            var umbracoContextFactory = TestUmbracoContextFactory.Create(
                umbracoContextAccessor: umbracoContextAccessor);

            var publishedUrlProvider = new UrlProvider(umbracoContextAccessor,
                TestHelper.WebRoutingSettings,
                new UrlProviderCollection(new []{contentUrlProvider.Object}),
                new MediaUrlProviderCollection(new []{mediaUrlProvider.Object}),
                Mock.Of<IVariationContextAccessor>()
                );
            using (var reference = umbracoContextFactory.EnsureUmbracoContext())
            {
                var contentCache = Mock.Get(reference.UmbracoContext.Content);
                contentCache.Setup(x => x.GetById(It.IsAny<int>())).Returns(publishedContent.Object);
                contentCache.Setup(x => x.GetById(It.IsAny<Guid>())).Returns(publishedContent.Object);

                var mediaCache = Mock.Get(reference.UmbracoContext.Media);
                mediaCache.Setup(x => x.GetById(It.IsAny<int>())).Returns(media.Object);
                mediaCache.Setup(x => x.GetById(It.IsAny<Guid>())).Returns(media.Object);

                var linkParser = new HtmlLocalLinkParser(umbracoContextAccessor, publishedUrlProvider);

                var output = linkParser.EnsureInternalLinks(input);

                Assert.AreEqual(result, output);
            }
        }
    }
}