using SortingModel;
using System.Diagnostics;

namespace TextSortWindow
{
    public class SortController
    {
        private readonly ISortWindow _view;
        private readonly ISortingService _model;

        public SortController(ISortWindow view, ISortingService model)
        {
            this._view = view;
            this._model = model;

            List<string> sortOptions = _model.GetAvailableAlgorithmNames().ToList();
            _view.SetSortOptions(sortOptions);

            _view.SortButtonClicked += OnSortRequested;
        }

        private async void OnSortRequested(object? sender, EventArgs e)
        {
            try
            {
                string inputText = _view.InputText;
                string strategy = _view.SelectedStrategy ?? string.Empty;

                Stopwatch watch = Stopwatch.StartNew();
                string sortedText = await Task.Run(() => _model.SortText(inputText, strategy)).ConfigureAwait(true);
                watch.Stop();
                _view.DisplaySortedText(sortedText);
                _view.DisplayTime(watch.Elapsed.TotalMilliseconds);
            }
            catch (ArgumentException ex)
            {
                _view.DisplaySortedText($"Error: {ex.Message}");
            }
            catch (InvalidOperationException ex)
            {
                _view.DisplaySortedText($"Error: {ex.Message}");
            }
        }
    }
}