#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IPA.AntiMalware
{
    /// <summary>
    /// Provides a way to access BSIPA's Anti-Malware engine.
    /// </summary>
    /// <see cref="Engine"/>
    /// <see cref="IAntiMalware"/>
    public static class AntiMalwareEngine
    {
        /// <summary>
        /// Gets the current Anti-Malware engine. 
        /// </summary>
        public static IAntiMalware Engine { get; } = InitializeEngine();

        private static IAntiMalware InitializeEngine()
        {
            IAntiMalware? engine = null;
#if !NET35
            engine = WindowsCOMAntiMalware.TryInitialize();
#endif
            engine ??= WindowsWin32AntiMalware.TryInitialize();
            engine ??= new NoopAntiMalware();

            return engine;
        }
    }
}