Aragas/Bannerlord.MBOptionScreen

using MCM.Abstractions;

using System;

using TaleWorlds.Library;
using TaleWorlds.Localization;

namespace MCM.UI.GUI.ViewModels
{
    internal sealed class SettingsEntryVM : ViewModel
    {
        private readonly Action<SettingsEntryVM> _executeSelect;

        private bool? _isSelected;

        public string Id => UnavailableSetting?.Id ?? SettingsVM?.SettingsDefinition.SettingsId ?? "ERROR";

        [DataSourceProperty]
        public string DisplayName => UnavailableSetting?.DisplayName ?? SettingsVM?.DisplayName ?? "ERROR";

        [DataSourceProperty]
        public bool IsSelected
        {
            get => _isSelected ?? SettingsVM?.IsSelected ?? false;
            set
            {
                if (SettingsVM is not null)
                {
                    SettingsVM.IsSelected = value;
                }
                else
                {
                    _isSelected = value;
                }

                OnPropertyChanged(nameof(IsSelected));
            }
        }

        public SettingsVM? SettingsVM { get; }
        public UnavailableSetting? UnavailableSetting { get; }

        public SettingsEntryVM(UnavailableSetting unavailableSetting, Action<SettingsEntryVM> command)
        {
            UnavailableSetting = unavailableSetting;
            _isSelected = false;
            _executeSelect = command;
        }

        public SettingsEntryVM(SettingsVM settingsVM, Action<SettingsEntryVM> command)
        {
            SettingsVM = settingsVM;
            _executeSelect = command;
        }

        public void ExecuteSelect() => _executeSelect.Invoke(this);
    }
}