// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

using Microsoft.Build.Evaluation;
using NuGet.Frameworks;

namespace Microsoft.DotNet.Cli.Extensions;

internal static class ProjectExtensions
{
    public static IEnumerable<string> GetRuntimeIdentifiers(this Project project)
    {
        return project
            .GetPropertyCommaSeparatedValues("RuntimeIdentifier")
            .Concat(project.GetPropertyCommaSeparatedValues("RuntimeIdentifiers"))
            .Select(value => value.ToLower())
            .Distinct();
    }

    public static IEnumerable<NuGetFramework> GetTargetFrameworks(this Project project)
    {
        var targetFrameworksStrings = project
                .GetPropertyCommaSeparatedValues("TargetFramework")
                .Union(project.GetPropertyCommaSeparatedValues("TargetFrameworks"))
                .Select((value) => value.ToLower());

        var uniqueTargetFrameworkStrings = new HashSet<string>(targetFrameworksStrings);

        return uniqueTargetFrameworkStrings
            .Select((frameworkString) => NuGetFramework.Parse(frameworkString));
    }

    public static IEnumerable<string> GetConfigurations(this Project project)
    {
        return project.GetPropertyCommaSeparatedValues("Configurations");
    }

    public static IEnumerable<string> GetPropertyCommaSeparatedValues(this Project project, string propertyName)
    {
        return project.GetPropertyValue(propertyName)
            .Split(';')
            .Select((value) => value.Trim())
            .Where((value) => !string.IsNullOrEmpty(value));
    }
}