using System.Collections.ObjectModel;
using System.Linq;
using System.Reactive;
using LoraGamepad.Models;
using ReactiveUI;

namespace LoraGamepad.ViewModels;

public class TProViewModel : ViewModelBase
{
    
    private bool _isOpenPortButtonVisible = true;
    private bool _isClosePortButtonVisible;
    
    private ObservableCollection<CBPortItem> _portList = new();
    public CBPortItem PortSelectItem { get; set; }
    
    public ReactiveCommand<Unit, Unit> OpenPort { get; }
    public ReactiveCommand<Unit, Unit> ClosePort { get; }
    public TProViewModel()
    {
        PortList = CBPortItem.GetPortList();
        
        OpenPort = ReactiveCommand.Create(PortOpenButtonClick);
        ClosePort = ReactiveCommand.Create(PortCloseButtonClick);
    }
    
    /// <summary>
    /// ComboBox串口列表绑定对象
    /// </summary>
    public ObservableCollection<CBPortItem> PortList
    {
        get => _portList;
        set => this.RaiseAndSetIfChanged(ref _portList, value);
    }
    
    /// <summary>
    /// 刷新串口列表事件处理函数
    /// </summary>
    public void OnPortListComboBoxPressed()
    {
        var newList = CBPortItem.GetPortList();
        PortList.Except(newList,new CBPortItemCompare()).ToList().ForEach(a => { PortList.Remove(a); });
        newList.Except(PortList, new CBPortItemCompare()).ToList().ForEach(a => { PortList.Add(a); });
        newList.Except(PortList, new CBPortItemCompare()).ToList().ForEach(a => { PortList.Add(a); });
    }
    
    /// <summary>
    /// 关闭串口按键可见性属性
    /// </summary>
    public bool IsClosePortButtonVisible
    {
        get => _isClosePortButtonVisible;
        set => this.RaiseAndSetIfChanged(ref _isClosePortButtonVisible, value);
    }
    
    /// <summary>
    /// 打开串口按键可见性属性
    /// </summary>
    public bool IsOpenPortButtonVisible
    {
        get => _isOpenPortButtonVisible;
        set => this.RaiseAndSetIfChanged(ref _isOpenPortButtonVisible, value);
    }
    
    /// <summary>
    /// 打开串口按键响应
    /// </summary>
    private void PortOpenButtonClick()
    {
        if (PortSelectItem.PortName == "") return;
        SerialPort.Me.Open(PortSelectItem.PortName,420000,1000);
        IsOpenPortButtonVisible = false;
        IsClosePortButtonVisible = true;
        
    }
    
    /// <summary>
    /// 关闭串口按键响应
    /// </summary>
    private void PortCloseButtonClick()
    {
        SerialPort.Me.Close();
        IsOpenPortButtonVisible = true;
        IsClosePortButtonVisible = false;
    }

}