// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using System;

using Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.DataCollection.Interfaces;
using Microsoft.VisualStudio.TestPlatform.ObjectModel.Utilities;
using Microsoft.VisualStudio.TestPlatform.PlatformAbstractions.Interfaces;

namespace Microsoft.VisualStudio.TestPlatform.CrossPlatEngine.DataCollection;

/// <summary>
/// Factory for creating DataCollectionLauncher
/// </summary>
internal static class DataCollectionLauncherFactory
{
    /// <summary>
    /// The get data collector launcher.
    /// </summary>
    /// <returns>
    /// The <see cref="IDataCollectionLauncher"/>.
    /// </returns>
    internal static IDataCollectionLauncher GetDataCollectorLauncher(IProcessHelper processHelper, string? settingsXml)
    {
        // Event log datacollector is built for .NET Framework and we need to load inside .NET Framework process.
        if (!settingsXml.IsNullOrWhiteSpace())
        {
            var dataCollectionRunSettings = XmlRunSettingsUtilities.GetDataCollectionRunSettings(settingsXml);
            foreach (var dataCollectorSettings in dataCollectionRunSettings!.DataCollectorSettingsList)
            {
                if (string.Equals(dataCollectorSettings.FriendlyName, "event Log", StringComparison.OrdinalIgnoreCase)
                    || string.Equals(dataCollectorSettings.Uri?.ToString(), @"datacollector://Microsoft/EventLog/2.0", StringComparison.OrdinalIgnoreCase))
                {
                    return new DefaultDataCollectionLauncher();
                }
            }
        }

        // Target Framework of DataCollection process and Runner should be same.
        var currentProcessPath = processHelper.GetCurrentProcessFileName();
        TPDebug.Assert(currentProcessPath is not null, "currentProcessPath is null");

        return currentProcessPath.EndsWith("dotnet", StringComparison.OrdinalIgnoreCase)
               || currentProcessPath.EndsWith("dotnet.exe", StringComparison.OrdinalIgnoreCase)
            ? new DotnetDataCollectionLauncher()
            : new DefaultDataCollectionLauncher();
    }
}