// Copyright (c) .NET Foundation and contributors. All rights reserved. 
// Licensed under the MIT license. See LICENSE file in the project root for full license information. 

using System;
using System.IO;
using FluentAssertions;
using Microsoft.DotNet.Cli.Utils;
using Microsoft.DotNet.Configurer;
using Microsoft.DotNet.Tools.Test.Utilities;
using Xunit;

using LocalizableStrings = Microsoft.DotNet.Cli.Utils.LocalizableStrings;

namespace Microsoft.DotNet.Tests
{
    public class GivenThatDotNetRunsCommands : TestBase
    {
        [Fact]
        public void UnresolvedPlatformReferencesFailAsExpected()
        {
            var testInstance = TestAssets.Get("NonRestoredTestProjects", "TestProjectWithUnresolvedPlatformDependency")
                            .CreateInstance()
                            .WithSourceFiles()
                            .Root.FullName;

            new RestoreCommand()
                .WithWorkingDirectory(testInstance)
                .ExecuteWithCapturedOutput("/p:SkipInvalidConfigurations=true")
                .Should()
                .Fail();

            new DotnetCommand()
                .WithWorkingDirectory(testInstance)
                .ExecuteWithCapturedOutput("crash")
                .Should().Fail()
                     .And.HaveStdErrContaining(string.Format(LocalizableStrings.NoExecutableFoundMatchingCommand, "dotnet-crash"));
        }

        [Theory]
        [InlineData("")]
        [InlineData(null)]
        public void GivenAMissingHomeVariableItPrintsErrorMessage(string value)
        {
            new TestCommand("dotnet")
                .WithEnvironmentVariable(CliFolderPathCalculator.PlatformHomeVariableName, value)
                .ExecuteWithCapturedOutput("--help")
                .Should()
                .Fail()
                .And
                .HaveStdErrContaining(CliFolderPathCalculator.DotnetHomeVariableName);
        }

        [Fact]
        public void GivenASpecifiedDotnetCliHomeVariableItPrintsUsageMessage()
        {
            var home = Path.Combine(TempRoot.Root, Path.GetRandomFileName());

            new TestCommand("dotnet")
                .WithEnvironmentVariable(CliFolderPathCalculator.DotnetHomeVariableName, home)
                .ExecuteWithCapturedOutput("-d help")
                .Should()
                .Pass()
                .And
                .HaveStdOutContaining(
                    string.Format(
                        LocalizableStrings.DotnetCliHomeUsed,
                        home,
                        CliFolderPathCalculator.DotnetHomeVariableName));
        }
    }
}
