using Prism.Commands;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Team.FFFeederService;
using Team.FFFeederService.Interfaces;
using TeamAAS_VP;

namespace TeamAAS_VP.Controls
{
    /// <summary>
    /// AflexControl.xaml 的交互逻辑
    /// </summary>
    public partial class AflexControl : UserControl, INotifyPropertyChanged
    {
        public AflexControl()
        {
            InitializeComponent();
            this.DataContext = this;
        }

        public AfagFeeder Feeder { get; set; }

        private int _ConfigIndex;
        /// <summary>
        /// 配置编号
        /// </summary>
        public int ConfigIndex
        {
            get { return _ConfigIndex; }
            set { SetProperty(ref _ConfigIndex, value); }
        }

        private double _Intensity;
        /// <summary>
        /// 振动强度
        /// </summary>
        public double Intensity
        {
            get { return _Intensity; }
            set { SetProperty(ref _Intensity, value); }
        }

        private double _Direction;
        /// <summary>
        /// 方向
        /// </summary>
        public double Direction
        {
            get { return _Direction; }
            set { SetProperty(ref _Direction, value); }
        }

        private double _Backlight;
        /// <summary>
        /// 背光亮度
        /// </summary>
        public double Backlight
        {
            get { return _Backlight; }
            set { SetProperty(ref _Backlight, value); }
        }

        private DelegateCommand<string> _ActionCommand;
        public DelegateCommand<string> ActionCommand =>
            _ActionCommand ?? (_ActionCommand = new DelegateCommand<string>(ExecuteActionCommand));

        /// <summary>
        /// 执行命令
        /// </summary>
        /// <param name="cmd"></param>
        void ExecuteActionCommand(string cmd)
        {
            try
            {
                if (Feeder == null) { return; }
                switch (int.Parse(cmd))
                {
                    case 1:
                        if (ConfigIndex<0) { return; }
                        Feeder.LoadConfiguration(ConfigIndex+1);
                        break;
                    case 2:
                        Feeder.SetIntensity(Intensity);
                        break;
                    case 3:
                        Feeder.SetDirection(Direction);
                        break;
                    case 4:
                        Feeder.SetBackLight(Backlight);
                        break;
                }
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("Afag Feeder写入参数时出错！", ex);
            }
            
        }
        #region 属性更改通知
        /// <summary>
        /// Occurs when a property value changes.
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        /// <summary>
        /// Checks if a property already matches a desired value. Sets the property and
        /// notifies listeners only when necessary.
        /// </summary>
        /// <typeparam name="T">Type of the property.</typeparam>
        /// <param name="storage">Reference to a property with both getter and setter.</param>
        /// <param name="value">Desired value for the property.</param>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers that
        /// support CallerMemberName.</param>
        /// <returns>True if the value was changed, false if the existing value matched the
        /// desired value.</returns>
        protected virtual bool SetProperty<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(storage, value)) return false;

            storage = value;
            RaisePropertyChanged(propertyName);

            return true;
        }

        /// <summary>
        /// Checks if a property already matches a desired value. Sets the property and
        /// notifies listeners only when necessary.
        /// </summary>
        /// <typeparam name="T">Type of the property.</typeparam>
        /// <param name="storage">Reference to a property with both getter and setter.</param>
        /// <param name="value">Desired value for the property.</param>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers that
        /// support CallerMemberName.</param>
        /// <param name="onChanged">Action that is called after the property value has been changed.</param>
        /// <returns>True if the value was changed, false if the existing value matched the
        /// desired value.</returns>
        protected virtual bool SetProperty<T>(ref T storage, T value, Action onChanged, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(storage, value)) return false;

            storage = value;
            onChanged?.Invoke();
            RaisePropertyChanged(propertyName);

            return true;
        }

        /// <summary>
        /// Raises this object's PropertyChanged event.
        /// </summary>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers
        /// that support <see cref="CallerMemberNameAttribute"/>.</param>
        protected void RaisePropertyChanged([CallerMemberName] string propertyName = null)
        {
            OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
        }

        /// <summary>
        /// Raises this object's PropertyChanged event.
        /// </summary>
        /// <param name="args">The PropertyChangedEventArgs</param>
        protected virtual void OnPropertyChanged(PropertyChangedEventArgs args)
        {
            PropertyChanged?.Invoke(this, args);
        }
        #endregion
    }
}