using SPTInstaller.Aki.Helper;
using SPTInstaller.Interfaces;
using SPTInstaller.Models;
using System.IO;
using System.Threading.Tasks;
using SPTInstaller.Helpers;

namespace SPTInstaller.Installer_Tasks
{
    public class InitializationTask : InstallerTaskBase
    {
        private InternalData _data;

        public InitializationTask(InternalData data) : base("Startup")
        {
            _data = data;
        }

        public override async Task<IResult> TaskOperation()
        {
            SetStatus("Initializing", $"Target Install Path: {FileHelper.GetRedactedPath(_data.TargetInstallPath)}");

            _data.OriginalGamePath = PreCheckHelper.DetectOriginalGamePath();

            if (_data.OriginalGamePath == null)
            {
                return Result.FromError("EFT IS NOT INSTALLED!");
            }

            SetStatus(null, $"Installed EFT Game Path: {FileHelper.GetRedactedPath(_data.OriginalGamePath)}");

            var directorySizeCheckResult = DirectorySizeHelper.CheckAvailableSize(_data.OriginalGamePath, _data.TargetInstallPath);
            if (!directorySizeCheckResult.Succeeded)
            {
                return Result.FromError(directorySizeCheckResult.Message);
            }
            
            var result = PreCheckHelper.DetectOriginalGameVersion(_data.OriginalGamePath);

            if (!result.Succeeded)
            {
                return result;
            }

            _data.OriginalGameVersion = result.Message;

            SetStatus(null, $"Installed EFT Game Version: {_data.OriginalGameVersion}");

            if (_data.OriginalGamePath == null)
            {
                return Result.FromError("Unable to find original EFT directory, please make sure EFT is installed. Please also run EFT once");
            }

            if (_data.OriginalGamePath == _data.TargetInstallPath)
            {
                return Result.FromError("Installer is located in EFT's original directory. Please move the installer to a seperate folder as per the guide");
            }

            if (File.Exists(Path.Join(_data.TargetInstallPath, "EscapeFromTarkov.exe")))
            {
                return Result.FromError("Installer is located in a folder that has existing game files. Please make sure the installer is in a fresh folder as per the guide");
            }

            return Result.FromSuccess($"Current Game Version: {_data.OriginalGameVersion}");
        }
    }
}