// Copyright (c) The Geekeey Authors
// SPDX-License-Identifier: EUPL-1.2

namespace Geekeey.Process.Tests;

internal sealed class TestEnvironment : IDisposable
{
	private readonly Action _action;

	private TestEnvironment(Action action)
	{
		_action = action;
	}

	public static TestEnvironment Create(string name, string? value)
	{
		var lastValue = Environment.GetEnvironmentVariable(name);
		Environment.SetEnvironmentVariable(name, value);

		return new TestEnvironment(() => Environment.SetEnvironmentVariable(name, lastValue));
	}

	public static TestEnvironment ExtendPath(string path)
	{
		return Create("PATH", Environment.GetEnvironmentVariable("PATH") + Path.PathSeparator + path);
	}

	public void Dispose()
	{
		_action();
	}
}