// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.MSBuild;
 
internal sealed class PathResolver
{
    private readonly DiagnosticReporter _diagnosticReporter;
 
    public PathResolver(DiagnosticReporter diagnosticReporter)
    {
        _diagnosticReporter = diagnosticReporter;
    }
 
    public bool TryGetAbsoluteSolutionPath(string path, string baseDirectory, DiagnosticReportingMode reportingMode, [NotNullWhen(true)] out string? absolutePath)
    {
        try
        {
            absolutePath = GetAbsolutePath(path, baseDirectory);
        }
        catch (Exception)
        {
            _diagnosticReporter.Report(reportingMode, string.Format(WorkspacesResources.Invalid_solution_file_path_colon_0, path));
            absolutePath = null;
            return false;
        }
 
        if (!File.Exists(absolutePath))
        {
            _diagnosticReporter.Report(
                reportingMode,
                string.Format(WorkspacesResources.Solution_file_not_found_colon_0, absolutePath),
                msg => new FileNotFoundException(msg));
            return false;
        }
 
        return true;
    }
 
    public bool TryGetAbsoluteProjectPath(string path, string baseDirectory, DiagnosticReportingMode reportingMode, [NotNullWhen(true)] out string? absolutePath)
    {
        try
        {
            absolutePath = GetAbsolutePath(path, baseDirectory);
        }
        catch (Exception)
        {
            _diagnosticReporter.Report(reportingMode, string.Format(WorkspacesResources.Invalid_project_file_path_colon_0, path));
            absolutePath = null;
            return false;
        }
 
        if (!File.Exists(absolutePath))
        {
            _diagnosticReporter.Report(
                reportingMode,
                string.Format(WorkspacesResources.Project_file_not_found_colon_0, absolutePath),
                msg => new FileNotFoundException(msg));
            return false;
        }
 
        return true;
    }
 
    private static string GetAbsolutePath(string path, string baseDirectory)
        => FileUtilities.NormalizeAbsolutePath(FileUtilities.ResolveRelativePath(path, baseDirectory) ?? path);
}