using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using Avalonia.Controls;
using UVtools.Core.FileFormats;

namespace UVtools.WPF.Controls
{
    public class UserControlEx : UserControl, INotifyPropertyChanged
    {
        #region BindableBase
        /// <summary>
        ///     Multicast event for property change notifications.
        /// </summary>
        private PropertyChangedEventHandler _propertyChanged;
        private readonly List<string> events = new();

        public new event PropertyChangedEventHandler PropertyChanged
        {
            add { _propertyChanged += value; events.Add("added"); }
            remove { _propertyChanged -= value; events.Add("removed"); }
        }

        protected bool RaiseAndSetIfChanged<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(field, value)) return false;
            field = value;
            RaisePropertyChanged(propertyName);
            return true;
        }

        protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
        {
        }

        /// <summary>
        ///     Notifies listeners that a property value has changed.
        /// </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)
        {
            var e = new PropertyChangedEventArgs(propertyName);
            OnPropertyChanged(e);
            _propertyChanged?.Invoke(this, e);
        }
        #endregion

        public FileFormat SlicerFile => App.SlicerFile;

        public void ResetDataContext()
        {
            var old = DataContext;
            DataContext = new object();
            DataContext = old;
        }
    }
}