using System.Text.RegularExpressions;
using MalwareMultiScan.Backends.Backends.Abstracts;
using MalwareMultiScan.Backends.Services.Interfaces;

namespace MalwareMultiScan.Backends.Backends
{
    /// <inheritdoc />
    public class ClamavScanBackend : AbstractLocalProcessScanBackend
    {
        /// <inheritdoc />
        public ClamavScanBackend(IProcessRunner processRunner) : base(processRunner)
        {
        }

        /// <inheritdoc />
        public override string Id { get; } = "clamav";

        /// <inheritdoc />
        protected override string BackendPath { get; } = "/usr/bin/clamdscan";

        /// <inheritdoc />
        protected override Regex MatchRegex { get; } =
            new Regex(@"(\S+): (?<threat>[\S]+) FOUND", RegexOptions.Compiled | RegexOptions.Multiline);

        /// <inheritdoc />
        protected override bool ThrowOnNonZeroExitCode { get; } = false;

        /// <inheritdoc />
        protected override string GetBackendArguments(string path)
        {
            return $"-m --fdpass --no-summary {path}";
        }
    }
}