// Copyright (c) 2020 dymanoid
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// DEALINGS IN THE SOFTWARE.

using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;

using ICSharpCode.Decompiler.Metadata;

namespace ICSharpCode.Decompiler.Tests
{
	sealed class TestAssemblyResolver : UniversalAssemblyResolver
	{
		readonly HashSet<string> localAssemblies = new HashSet<string>();

		public TestAssemblyResolver(string mainAssemblyFileName, string baseDir, string targetFramework)
			: base(mainAssemblyFileName, false, targetFramework, null, PEStreamOptions.PrefetchMetadata, MetadataReaderOptions.ApplyWindowsRuntimeProjections)
		{
			var assemblyNames = new DirectoryInfo(baseDir).EnumerateFiles("*.dll").Select(f => Path.GetFileNameWithoutExtension(f.Name));
			foreach (var name in assemblyNames)
			{
				localAssemblies.Add(name);
			}
		}

		public override bool IsGacAssembly(IAssemblyReference reference)
		{
			return reference != null && !localAssemblies.Contains(reference.Name);
		}
	}
}