using System.Collections.ObjectModel;
using System.Linq;
using System.Windows.Input;
using AmebaPro3_ControlPanel.Utilities;

namespace AmebaPro3_ControlPanel.ViewModels;

public class JLinkPageViewModel : PageViewModelBase
{
    private string? _selectedSerialNumber;
    private JLinkApSessionViewModel? _selectedApSession;

    public JLinkPageViewModel()
    {
        Title = "Debugger";

        AvailableSerialNumbers = new ObservableCollection<string> { "123456789", "987654321", "555555555" };
        SelectedSerialNumber = AvailableSerialNumbers.FirstOrDefault();

        ApSessions = new ObservableCollection<JLinkApSessionViewModel>
        {
            new("Cortex M33 - Processor NP"),
            new("Cortex M33 - Processor MP"),
            new("Cortex M23 - Processor FP"),
            new("Cortex CA32 - Processor AP")
        };

        SelectedApSession = ApSessions.FirstOrDefault();

        RefreshSerialsCommand = new RelayCommand(_ => RefreshSerials());
        ConnectJLinkCommand = new RelayCommand(_ => ConnectJLink());
    }

    public ObservableCollection<string> AvailableSerialNumbers { get; }

    public string? SelectedSerialNumber
    {
        get => _selectedSerialNumber;
        set => SetProperty(ref _selectedSerialNumber, value);
    }

    public ObservableCollection<JLinkApSessionViewModel> ApSessions { get; }

    public JLinkApSessionViewModel? SelectedApSession
    {
        get => _selectedApSession;
        set => SetProperty(ref _selectedApSession, value);
    }

    public ICommand RefreshSerialsCommand { get; }

    public ICommand ConnectJLinkCommand { get; }

    private void RefreshSerials()
    {
        AvailableSerialNumbers.Clear();
        AvailableSerialNumbers.Add("123456789");
        AvailableSerialNumbers.Add("987654321");
        AvailableSerialNumbers.Add("555555555");
        SelectedSerialNumber ??= AvailableSerialNumbers.FirstOrDefault();
    }

    private void ConnectJLink()
    {
        foreach (var session in ApSessions)
        {
            session.SetSessionConnected(true);
            session.LogLines.Add($"Attached to {session.Title} via J-Link {(SelectedSerialNumber ?? "N/A")} (UI placeholder).");
        }
    }
}