using CommunityToolkit.Mvvm.ComponentModel;
using MembranePoreTester.Communication;
using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace MembranePoreTester.ViewModels
{
    public class ViewModelBase : ObservableObject
    {
        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

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

        protected async Task WriteFloatAsync(ushort address, float value)
        {
            byte[] bytes = BitConverter.GetBytes(value);
            if (BitConverter.IsLittleEndian) Array.Reverse(bytes);
            ushort high = (ushort)((bytes[0] << 8) | bytes[1]);
            ushort low = (ushort)((bytes[2] << 8) | bytes[3]);
            await App.PlcService.WriteSingleRegisterAsync(address, high);
            await App.PlcService.WriteSingleRegisterAsync((ushort)(address + 1), low);
        }
    }
}