using Aurora;
using Aurora.Api;
using Aurora.Api.Manager;
using Aurora.View;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Input;

namespace AuroraDeviceCommon.Views
{
    public abstract class BaseDeviceViewModel : NotifyPropertyChangedBase {
        public ICommand CMD_VisibleChanged { get; }
        public ICommand CMD_SaveConfigs { get; }

        public string deviceId;
        public string DeviceId { get => deviceId; set => SetProperty(ref deviceId, value); }

        private bool isActivated = false;
        public bool IsActivated {
            get => isActivated;
            set {
                if (isActivated != value) {
                    isActivated = value;
                    HandleActivationChange(value);
                    NotifyPropertyChanged("IsActivated");
                }
            }
        }

        public IDeviceConfig DevConfig
            => _Device == null ? null : DeviceManager.GetDeviceConfig(_Device.DeviceId);

        private readonly IAuroraEnvironment Aurora;
        private readonly IDeviceManager DeviceManager;
        protected readonly Device _Device;

        public BaseDeviceViewModel(IAuroraEnvironment aurora, Device device) {
            Aurora = aurora;
            DeviceManager = aurora.DeviceManager;
            _Device = device;
            DeviceId = _Device.DeviceId;
            isActivated = _Device.IsActivated;

            CMD_SaveConfigs = new DelegateCommand(SaveConfigs);
            CMD_VisibleChanged = new DelegateCommand(VisibleChanged);
        }

        protected virtual void HandleActivationChange(bool value) {
            _ = value ? _Device.Activate() : _Device.Deactivate();
            isActivated = _Device.IsActivated;
        }

        protected void SaveConfigs(object obj) {
            if (_Device == null) {
                return;
            }

            if (_Device.IsActivated) {
                return;
            }

            DeviceManager.SaveDeviceConfig(_Device.DeviceId);
        }

        protected abstract void VisibleChanged(object obj);
    }
}