using CommunityToolkit.Mvvm.ComponentModel;
using HMIToolkit;
using System.ComponentModel.DataAnnotations;
using Heisig.HMI.AdsManager;
using CommunityToolkit.Mvvm.Input;
using TwinCAT.TypeSystem;
using System.Collections.ObjectModel;

using UniperHMI.Model;
namespace UniperHMI
{
    public sealed partial class TrayFeederPageVM : ObservableValidator, IDisposable
    {
        private int _setpoint;

        [Range(-40000, 40000)]
        public int Setpoint
        {
            get => this._setpoint;
            set => SetProperty(ref this._setpoint, value, true);
        }

        [ObservableProperty]
        private int processValue;

        [ObservableProperty]
        public HMIControlButtonVM? startButton;

        [ObservableProperty]
        public HMIControlButtonVM? stopButton;

        [ObservableProperty]
        private E_BMS_CONTROL_MODE bmsControlMode;

        [ObservableProperty]
        public ObservableCollection<BMSControlModeEntry> reqBMSControlModes =
            [
                new BMSControlModeEntry(E_BMS_CONTROL_MODE.AUTO_REMOTE, "Auto Remote"),
                new BMSControlModeEntry(E_BMS_CONTROL_MODE.AUTO_LOCAL, "Auto Local"),
                new BMSControlModeEntry(E_BMS_CONTROL_MODE.SAFETY_CHECK, "Safety Check"),
                new BMSControlModeEntry(E_BMS_CONTROL_MODE.CAPACITY_TEST, "Capacity Test"),
                new BMSControlModeEntry(E_BMS_CONTROL_MODE.MANUAL, "Manual")
            ];

        [ObservableProperty]
        private BMSControlModeEntry selectedControlMode;

        [ObservableProperty]
        private bool canChangeControlMode;

        private readonly string? _variableName;

        private readonly IAdsManager? _adsManager;

        public TrayFeederPageVM()
        {
            StartButton = new HMIControlButtonVM();
            StopButton = new HMIControlButtonVM();
            SelectedControlMode = ReqBMSControlModes[1];
            canChangeControlMode = true;
        }

        public TrayFeederPageVM(IAdsManager adsManager, string variableName)
        {
            _adsManager = adsManager;
            _variableName = variableName;

            //StartButton = new HMIControlButtonVM(_adsManager, _variableName + ".stStartAutoButton");
            //StopButton = new HMIControlButtonVM(_adsManager, _variableName + ".stStopAutoButton");

            SelectedControlMode = ReqBMSControlModes[1];

            _adsManager.Register("GVL_SCADA.xCanChangeControlMode", CCCMChanged);

            _adsManager.Register(_variableName + ".diSetpointAutomatic", SetpointChanged);
        }

        private void SetpointChanged(object? sender, ValueChangedEventArgs e)
        {
            Setpoint = (int)e.Value;
        }

        private void CCCMChanged(object? sender, ValueChangedEventArgs e)
        {
            CanChangeControlMode = (bool)e.Value;
        }

        public void Dispose()
        {
            StartButton?.Dispose();
            StartButton = null;
            StopButton?.Dispose();
            StopButton = null;

            _adsManager?.Deregister("GVL_SCADA.xCanChangeControlMode", CCCMChanged);

            _adsManager?.Deregister(_variableName + ".diSetpointAutomatic", SetpointChanged);
        }

        [RelayCommand]
        private void StartAutomatic()
        {
            _adsManager?.WriteValue(_variableName + ".diSetpointAutomatic", Setpoint);
        }

        [RelayCommand]
        private void StopAutomatic()
        {
            _adsManager?.WriteValue(_variableName + ".diSetpointAutomatic", 0);
            Setpoint = 0;
        }

        public static ValidationResult ValidatePower(int power, ValidationContext context)
        {
            if (power < -40000 || power > 40000)
                return new("Must be between -40.000 and +40.000");
            else
                return ValidationResult.Success!;
        }
    }
}