using System;
using System.IO;
using System.Text.RegularExpressions;
using MalwareMultiScan.Backends.Backends.Abstracts;
using Microsoft.Extensions.Logging;

namespace MalwareMultiScan.Backends.Backends.Implementations
{
    public class DrWebScanBackend : AbstractLocalProcessScanBackend
    {
        public DrWebScanBackend(ILogger logger) : base(logger)
        {
        }
        
        public override string Id { get; } = "drweb";
        
        public override DateTime DatabaseLastUpdate =>
            File.GetLastWriteTime("/var/opt/drweb.com/version/version.ini");

        protected override string BackendPath { get; } = "/usr/bin/drweb-ctl";
        
        protected override Regex MatchRegex { get; } =
            new Regex(@".* - infected with (?<threat>[\S ]+)", RegexOptions.Compiled | RegexOptions.Multiline);
        
        protected override bool ParseStdErr { get; } = false;
        
        protected override string GetBackendArguments(string path)
        {
            return $"scan {path}";
        }
    }
}