// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Aspire.Cli.Agents;
 
/// <summary>
/// The directories searched by agent environment scanners.
/// </summary>
internal sealed record AgentEnvironmentScanContext
{
    /// <summary>
    /// Gets the working directory being scanned.
    /// </summary>
    public required DirectoryInfo WorkingDirectory { get; init; }
 
    /// <summary>
    /// Gets the root directory of the repository/workspace.
    /// This is typically the git repository root if available, otherwise the working directory.
    /// Scanners should use this as the boundary for searches instead of searching up the directory tree.
    /// </summary>
    public required DirectoryInfo RepositoryRoot { get; init; }
 
    public DirectoryInfo? FindProjectDirectory(string directoryName, DirectoryInfo homeDirectory)
    {
        foreach (var currentDirectory in AgentPath.ProjectDirectories(WorkingDirectory, RepositoryRoot))
        {
            // Home-level agent settings do not establish use in this project, and
            // project discovery must not walk above the selected repository root.
            var path = Path.Combine(currentDirectory.FullName, directoryName);
            if (Directory.Exists(path) &&
                !string.Equals(currentDirectory.FullName, homeDirectory.FullName, StringComparison.OrdinalIgnoreCase))
            {
                return new DirectoryInfo(path);
            }
        }
 
        return null;
    }
}