using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Avalonia.Controls;
using KMeansBase;
using MvvmGen;

namespace KMeansGui
{
    [ViewModel]
    public partial class ShellViewModel
    {
        [Property] private int _countOfCentroids;
        [Property] private List<Point> _points;

        public async Task OpenCsvFileAsync(object parent)
        {
            if (parent is Window window)
            {
                var fileDialogFilter = new FileDialogFilter();
                fileDialogFilter.Extensions.Add("csv");
                fileDialogFilter.Name = "comma separated file";
                var fileDialog = new OpenFileDialog();
                fileDialog.AllowMultiple = false;

                fileDialog.Filters.Add(fileDialogFilter);
                fileDialog.Title = "Select a csv file.";
                var result = await fileDialog.ShowAsync(window);
                if (result?.Length == 1)
                {
                    var path = result.First();
                    Points = Csv.Parse(path).ToList();
                }
            }
        }
    }
}