// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Build.BackEnd.Logging;
using Microsoft.Build.Experimental.BuildCheck;
using Microsoft.Build.Experimental.BuildCheck.Acquisition;
using Microsoft.Build.Experimental.BuildCheck.Utilities;
using Microsoft.Build.Framework;
 
namespace Microsoft.Build.Experimental.BuildCheck.Infrastructure;
 
/// <summary>
/// Central logger for the build check infrastructure.
/// Receives events from the <see cref="BuildCheckForwardingLogger"/>.
/// Processes the events and forwards them to the <see cref="IBuildCheckManager"/> and registered checks.
/// </summary>
/// <remarks>
/// Ensure that the consuming events are in sync with <see cref="BuildCheckForwardingLogger"/>.
/// </remarks>
internal sealed class BuildCheckConnectorLogger : ILogger
{
    private readonly BuildCheckBuildEventHandler _eventHandler;
    private readonly IBuildCheckManager _buildCheckManager;
    private readonly ICheckContextFactory _checkContextFactory;
 
    internal BuildCheckConnectorLogger(
        ICheckContextFactory checkContextFactory,
        IBuildCheckManager buildCheckManager)
    {
        _buildCheckManager = buildCheckManager;
        _checkContextFactory = checkContextFactory;
        _eventHandler = new BuildCheckBuildEventHandler(checkContextFactory, buildCheckManager);
    }
 
    public LoggerVerbosity Verbosity { get; set; }
 
    public string? Parameters { get; set; }
 
    public void Initialize(IEventSource eventSource)
    {
        eventSource.AnyEventRaised += EventSource_AnyEventRaised;
 
        if (eventSource is IEventSource3 eventSource3)
        {
            eventSource3.IncludeTaskInputs();
        }
 
        if (eventSource is IEventSource4 eventSource4)
        {
            eventSource4.IncludeEvaluationPropertiesAndItems();
        }
    }
 
    public void Shutdown()
    {
    }
 
    private void EventSource_AnyEventRaised(object sender, BuildEventArgs e)
        => _eventHandler.HandleBuildEvent(e);
}