// Copyright (c) 2020 LG Electronics Inc.
// SPDX-License-Identifier: LicenseRef-LGE-Proprietary

using Aurora;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace AuroraMotor.Views
{
    public partial class UCAuroraMotor : UserControl
    {
        public static readonly DependencyProperty SelectedMotorProperty
            = DependencyProperty.Register(
                nameof(SelectedMotor),
                typeof(AuroraMotorBase),
                typeof(UCAuroraMotor),
                new FrameworkPropertyMetadata(
                    (d, e) => (d as UCAuroraMotor).SelectedMotorChanged(e)
                )
            );

        UCAuroraMotorViewModel ViewModel { get; }

        public AuroraMotorBase SelectedMotor
        {
            get => GetValue(SelectedMotorProperty) as AuroraMotorBase;
            set => SetValue(SelectedMotorProperty, value);
        }

        public UCAuroraMotor()
        {
            ViewModel = new UCAuroraMotorViewModel(
                Application.Current.AuroraEnv().EventObservable
            );

            InitializeComponent();

            DataContext = ViewModel;
        }

        void SelectedMotorChanged(
            DependencyPropertyChangedEventArgs e)
        {
            ViewModel.SelectedMotor = SelectedMotor;
        }

        void ExecuteJogCommand(
            object sender,
            string commandProperty,
            object param = null)
        {
            (sender as UIElement).Focus();
            var cmd = DataContext
                .GetType()
                .GetProperty(commandProperty)
                .GetValue(DataContext) as ICommand;
            cmd.Execute(param);
        }

        private void OnJogPositivePressed(
            object sender,
            System.Windows.Input.MouseButtonEventArgs e)
        {
            ExecuteJogCommand(sender, "CMD_JogPositive");
            e.Handled = true;
        }

        private void OnJogNegativePressed(
            object sender,
            System.Windows.Input.MouseButtonEventArgs e)
        {
            ExecuteJogCommand(sender, "CMD_JogNegative");
            e.Handled = true;
        }

        private void OnJogStop(
            object sender,
            System.Windows.Input.MouseButtonEventArgs e)
        {
            ExecuteJogCommand(sender, "CMD_Stop");
            e.Handled = true;
        }
    }
}