using CommunityToolkit.Mvvm.ComponentModel;
using SSPCTester.Logic.Models;

namespace SSPCTester.UI.ViewModels;

/// <summary>测试主界面（TabControl 容器）。</summary>
public partial class TestHostViewModel : ObservableObject
{
    [ObservableProperty] private Project? _project;
    [ObservableProperty] private TestSessionViewModel? _session;
    [ObservableProperty] private int _selectedTabIndex;
    private bool _isViewActive;

    public ExperimentConsoleViewModel Console { get; }
    public BasicTestViewModel Basic { get; }
    public CurveTestViewModel Curve { get; }
    public PowerTestViewModel Power { get; }
    public ProtectViewModel Protect { get; }

    public TestHostViewModel(ExperimentConsoleViewModel console, BasicTestViewModel basic, CurveTestViewModel curve, PowerTestViewModel power, ProtectViewModel protect)
    {
        Console = console;
        Basic = basic; Curve = curve; Power = power; Protect = protect;
    }

    partial void OnSelectedTabIndexChanged(int value) => UpdateConsoleActive();

    public void SetViewActive(bool active)
    {
        _isViewActive = active;
        UpdateConsoleActive();
    }

    public void SetProject(Project p)
    {
        Project = p;
        Basic.SetProject(p);
        Curve.SetProject(p);
        Power.SetProject(p);
        Protect.SetProject(p);
    }

    public void AttachSession(TestSessionViewModel s)
    {
        Session = s;
        Curve.AttachSession(s);
        Protect.AttachSession(s);
    }

    private void UpdateConsoleActive()
    {
        // Identify this host when acquiring/releasing console polling. During a
        // project switch WPF can load the new host before unloading the old one;
        // the old host must not stop the shared console on behalf of the new host.
        Console.SetActive(this, _isViewActive && SelectedTabIndex == 0);
    }
}