using System.IO;

using Coverlet.Core.Abstractions;
using Coverlet.MSbuild.Tasks;
using Moq;
using Xunit;

namespace Coverlet.Core.Reporters.Tests
{
    public class Reporters
    {
        // we use lcov with extension .info and cobertura with extension .cobertura.xml
        // to have all possible extension format
        // empty coverletOutput is not possible thank's to props default
        [Theory]
        // single tfm
        [InlineData("", "/folder/reportFolder/", "lcov", "/folder/reportFolder/coverage.info")]
        [InlineData(null, "/folder/reportFolder/", "cobertura", "/folder/reportFolder/coverage.cobertura.xml")]
        [InlineData(null, "/folder/reportFolder/file.ext", "cobertura", "/folder/reportFolder/file.ext")]
        [InlineData(null, "/folder/reportFolder/file.ext1.ext2", "cobertura", "/folder/reportFolder/file.ext1.ext2")]
        [InlineData(null, "/folder/reportFolder/file", "cobertura", "/folder/reportFolder/file.cobertura.xml")]
        [InlineData(null, "file", "cobertura", "file.cobertura.xml")]
        // multiple tfm
        [InlineData("netcoreapp2.2", "/folder/reportFolder/", "lcov", "/folder/reportFolder/coverage.netcoreapp2.2.info")]
        [InlineData("netcoreapp2.2", "/folder/reportFolder/", "cobertura", "/folder/reportFolder/coverage.netcoreapp2.2.cobertura.xml")]
        [InlineData("net472", "/folder/reportFolder/file.ext", "cobertura", "/folder/reportFolder/file.net472.ext")]
        [InlineData("net472", "/folder/reportFolder/file.ext1.ext2", "cobertura", "/folder/reportFolder/file.ext1.net472.ext2")]
        [InlineData("netcoreapp2.2", "/folder/reportFolder/file", "cobertura", "/folder/reportFolder/file.netcoreapp2.2.cobertura.xml")]
        [InlineData("netcoreapp2.2", "file", "cobertura", "file.netcoreapp2.2.cobertura.xml")]
        public void Msbuild_ReportWriter(string coverletMultiTargetFrameworksCurrentTFM, string coverletOutput, string reportFormat, string expectedFileName)
        {
            Mock<IFileSystem> fileSystem = new Mock<IFileSystem>();
            Mock<IConsole> console = new Mock<IConsole>();

            ReportWriter reportWriter = new ReportWriter(
                coverletMultiTargetFrameworksCurrentTFM,
                // mimic code inside CoverageResultTask.cs
                Path.GetDirectoryName(coverletOutput),
                coverletOutput,
                new ReporterFactory(reportFormat).CreateReporter(),
                fileSystem.Object,
                console.Object,
                new CoverageResult() { Modules = new Modules() });

            var path = reportWriter.WriteReport();
            // Path.Combine depends on OS so we can change only win side to avoid duplication
            Assert.Equal(path.Replace('/', Path.DirectorySeparatorChar), expectedFileName.Replace('/', Path.DirectorySeparatorChar));
        }
    }
}