using System.Collections.Generic;
using System.Threading.Tasks;

using Avalonia.Media;

namespace SourceGit.ViewModels
{
    public class ResetMode
    {
        public string Name { get; set; }
        public string Desc { get; set; }
        public string Arg { get; set; }
        public IBrush Color { get; set; }

        public ResetMode(string n, string d, string a, IBrush b)
        {
            Name = n;
            Desc = d;
            Arg = a;
            Color = b;
        }
    }

    public class Reset : Popup
    {
        public Models.Branch Current
        {
            get;
            private set;
        }

        public Models.Commit To
        {
            get;
            private set;
        }

        public List<ResetMode> Modes
        {
            get;
            private set;
        }

        public ResetMode SelectedMode
        {
            get;
            set;
        }

        public Reset(Repository repo, Models.Branch current, Models.Commit to)
        {
            _repo = repo;
            Current = current;
            To = to;
            Modes = new List<ResetMode>() {
                new ResetMode("Soft", "Keep all changes. Stage differences", "--soft", Brushes.Green),
                new ResetMode("Mixed", "Keep all changes. Unstage differences", "--mixed", Brushes.Orange),
                new ResetMode("Hard", "Discard all changes", "--hard", Brushes.Red),
            };
            SelectedMode = Modes[0];
            View = new Views.Reset() { DataContext = this };
        }

        public override Task<bool> Sure()
        {
            _repo.SetWatcherEnabled(false);
            ProgressDescription = $"Reset current branch to {To.SHA} ...";

            return Task.Run(() =>
            {
                var succ = new Commands.Reset(_repo.FullPath, To.SHA, SelectedMode.Arg).Exec();
                CallUIThread(() => _repo.SetWatcherEnabled(true));
                return succ;
            });
        }

        private readonly Repository _repo = null;
    }
}
