using CommunityToolkit.Mvvm.ComponentModel;
using Plugin.Cowain.Driver.Models.Enum;

namespace Plugin.Cowain.Driver.ViewModels;

public partial class VariableViewModel : ObservableObject
{
    [ObservableProperty]
    private int _id;
    [ObservableProperty]
    private int _deviceId;
    [ObservableProperty]
    private string _deviceName = string.Empty;
    [ObservableProperty]
    private string _name = string.Empty;
    [ObservableProperty]
    private string _address = string.Empty;
    [ObservableProperty]
    private string _desc = string.Empty;
    [ObservableProperty]
    private DataTypeEnum _dataType;
    [ObservableProperty]
    private int _arrayCount;
    [ObservableProperty]
    private string _json = string.Empty;
    [ObservableProperty]
    private OperModeEnum _operMode;

    [ObservableProperty]
    private bool _alarmEnable;

    [ObservableProperty]
    private string _alarmValue = string.Empty;

    [ObservableProperty]
    private string _alarmMsg = string.Empty;

    [ObservableProperty]
    private int _alarmGroup;

    [ObservableProperty]
    private int _alarmLevel;

    private string? _value;

    public string? Value
    {
        get { return _value; }
        set
        {
            SetProperty(ref _value, value);
            if (value != null)
            {
                UpdateTime = DateTime.Now;
            }
            if (OldValue != _value)
            {
                //触发数据改变事件
                OnDataChange();
            }
            //if (!string.IsNullOrEmpty(OldValue) && !OldValue.Equals(_value))
            //{
            //    //OldValue不为空且不等于新值，触发数据改变事件
            //    OnDataChange();
            //}
            OldValue = value;
        }
    }

    [ObservableProperty]
    private string? _oldValue;
    [ObservableProperty]
    private DateTime _updateTime = DateTime.MinValue;
    [ObservableProperty]
    private string? _message;
    [ObservableProperty]
    private bool _isSuccess;

    private Action<VariableViewModel>? dataChanged;//数据改变事件

    public void Register(Action<VariableViewModel> action)
    {
        dataChanged += action;
    }

    public void UnRegister(Action<VariableViewModel> action)
    {
        if (dataChanged == null)
        {
            return;
        }
        if (action == null)
        {
            return;
        }
        dataChanged -= action;
    }

    /// <summary>
    /// 数据改变方法
    /// </summary>
    /// <param name="var"></param>
    private void OnDataChange()
    {
        if (dataChanged != null)
        {
            dataChanged(this);
        }
    }


}