using RobotNet.VDA5050.Type;
using RobotNet10.RobotApp.Devices;
using RobotNet10.RobotApp.Services.Exceptions;
using RobotNet10.RobotApp.Interfaces;

namespace RobotNet10.RobotApp.Services.Robot.Actions;

/// <summary>
/// Bật đèn camera (M918 - coil 2966).
/// action tương tự các action PLC toggle khác: ghi ON, rồi chờ PLC phản hồi đã ON.
/// </summary>
[RobotAction(ActionType.CONTROL_LIGHT,
            [ActionScope.INSTANT, ActionScope.NODE, ActionScope.EDGE],
            [BlockingType.NONE, BlockingType.SOFT, BlockingType.HARD],
            "Bật đèn camera (M918 Light on).",
            "Đèn camera đã bật (M918 Light on).")]
public class ControlLightAction(IServiceProvider ServiceProvider) : RobotAction(ServiceProvider)
{
    private IPlcController? PlcController;

    private const int MAX_TIMEOUT = 4000;
    private int CountTimeout = 0;
    private bool IsLightOn = false;

    
    protected override void Initialize()
    {
        base.Initialize();

        var controlTypeParam = Action?.ActionParameters?.FirstOrDefault(p =>
            string.Equals(p.Key, "CONTROL_TYPE", StringComparison.OrdinalIgnoreCase));
        if (controlTypeParam is null || string.IsNullOrWhiteSpace(controlTypeParam.Value))
        {
            throw new ActionException("ControlLight requires actionParameter CONTROL_TYPE (CONTROL_ON/CONTROL_OFF).");
        }

        var controlType = controlTypeParam.Value.Trim();
        if (string.Equals(controlType, "CONTROL_ON", StringComparison.OrdinalIgnoreCase))
        {
            IsLightOn = true;
        }
        else if (string.Equals(controlType, "CONTROL_OFF", StringComparison.OrdinalIgnoreCase))
        {
            IsLightOn = false;
        }
        else
        {
            throw new ActionException($"CONTROL_TYPE value '{controlType}' is invalid. Expected CONTROL_ON or CONTROL_OFF.");
        }

        CountTimeout = 0;
    }

    protected override Task StartAction()
    {
        PlcController = ServiceProvider.GetRequiredService<IPlcController>();
        PlcController.SetLightOn(IsLightOn); // M918 Light on
        return base.StartAction();
    }

    protected override Task ExecuteAction()
    {
        if (PlcController is not null && PlcController.SetLightOnValue == IsLightOn)
        {
            SetStatus(ActionEvent.FINISHED);
            ResultDescription = string.IsNullOrEmpty(ActionAttribute.ResultDescription) ? ResultDescription : ActionAttribute.ResultDescription;
        }
        else if (CountTimeout++ > MAX_TIMEOUT / ActionInterval)
        {
            SetStatus(ActionEvent.FAILED);
            ResultDescription = "Timeout action";
        }

        return base.ExecuteAction();
    }
}