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

using System.Linq;
using System.Collections.Generic;
using NuGet.Frameworks;
using NuGet.Packaging;

namespace Microsoft.DotNet.PackageTesting;

class NupkgParser
{
    public static Package CreatePackageObject(string packagePath)
    {
        using PackageArchiveReader nupkgReader = new(packagePath);
        NuspecReader nuspecReader = nupkgReader.NuspecReader;

        string packageId = nuspecReader.GetId();
        string version = nuspecReader.GetVersion().ToString();

        NuGetFramework[] dependencyFrameworks = nuspecReader.GetDependencyGroups()
            .Select(dg => dg.TargetFramework)
            .Where(tfm => tfm != null)
            .ToArray();
        IEnumerable<string> files = nupkgReader.GetFiles()?.Where(t => t.EndsWith(packageId + ".dll"));

        return new Package(packageId, version, files, dependencyFrameworks);
    }
}