using System.CommandLine;
using System.CommandLine.Invocation;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Wabbajack.Hashing.xxHash64;
using Wabbajack.Paths;
using Wabbajack.Paths.IO;
using Wabbajack.Services.OSIntegrated;

namespace Wabbajack.CLI.Verbs
{
    public class Encrypt : IVerb
    {
        private readonly ILogger<Encrypt> _logger;

        public Encrypt(ILogger<Encrypt> logger)
        {
            _logger = logger;
        }
        
        public Command MakeCommand()
        {
            var command = new Command("encrypt");
            command.Add(new Option<AbsolutePath>(new[] { "-i", "-input" }, "Path to the file to enrypt"));
            command.Add(new Option<string>(new[] { "-n", "-name" }, "Name of the key to store the data into"));
            command.Description = "Encrypts a file and stores it in the Wabbajack encrypted storage";
            command.Handler = CommandHandler.Create(Run);
            return command;
        }
        
        public async Task<int> Run(AbsolutePath input, string name)
        {
            var data = await input.ReadAllBytesAsync();
            _logger.LogInformation("Encrypting {bytes} bytes into `{key}`", data.Length, name);
            await data.AsEncryptedDataFile(name.ToRelativePath()
                .RelativeTo(KnownFolders.WabbajackAppLocal.Combine("encrypted")));
            return 0;
        }
    }
}