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

using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
using System;
using System.IO;

namespace Microsoft.DotNet.CMake.Sdk;

/// <summary>
/// Creates a CMake File API query file to request codemodel information.
/// </summary>
[MSBuildMultiThreadableTask]
public class CreateCMakeFileApiQuery : Task, IMultiThreadableTask
{
    /// <summary>Injected by MSBuild so paths resolve against the project directory in multithreaded builds.</summary>
    public TaskEnvironment TaskEnvironment { get; set; } = TaskEnvironment.Fallback;

    /// <summary>
    /// The CMake build output directory where the query should be created.
    /// </summary>
    [Required]
    public string CMakeOutputDir { get; set; }

    public override bool Execute()
    {
        try
        {
            // Create a client stateless query file with client name "Microsoft.DotNet.CMake.Sdk"
            string queryDir = Path.Combine(CMakeOutputDir, ".cmake", "api", "v1", "query", "client-Microsoft.DotNet.CMake.Sdk");
            Directory.CreateDirectory(TaskEnvironment.GetAbsolutePath(queryDir));

            string queryFile = Path.Combine(queryDir, "codemodel-v2");
            
            // Create an empty file to request codemodel-v2 information
            File.WriteAllText(TaskEnvironment.GetAbsolutePath(queryFile), string.Empty);
            
            Log.LogMessage(MessageImportance.Low, "Created CMake File API query at: {0}", queryFile);
            
            return true;
        }
        catch (Exception ex)
        {
            Log.LogErrorFromException(ex, showStackTrace: false);
            return false;
        }
    }
}