using System;
using XP.Hardware.MotionControl.Abstractions;
using XP.Hardware.MotionControl.Config;
using XP.Hardware.Plc.Abstractions;

namespace XP.Hardware.MotionControl.Implementations
{
    /// <summary>
    /// 基于 PLC 的实体摇杆实现 | PLC-based Physical Joystick Implementation
    /// 信号名称硬编码在 MotionSignalNames 中 | Signal names hardcoded in MotionSignalNames
    /// </summary>
    public class PlcJoystick : IJoystick
    {
        private readonly ISignalDataService _signalService;
        private bool _isJoystickActive;

        public PlcJoystick(ISignalDataService signalService)
        {
            _signalService = signalService ?? throw new ArgumentNullException(nameof(signalService));
        }

        /// <inheritdoc/>
        public bool IsJoystickActive => _isJoystickActive;

        /// <inheritdoc/>
        public void UpdateStatus()
        {
            // 读取实体摇杆输入激活信号 | Read physical joystick input active signal
            _isJoystickActive = _signalService.GetValueByName<byte>(MotionSignalNames.Joystick_Active) == 10;
        }
    }
}