#nullable enable

using Godot;
using SideScrollerGame.Debug;

namespace SideScrollerGame.Bootstrap;

public partial class GameRoot : Node
{
    public override void _Ready()
    {
        m_Settings = DebugSettings.Load();
        GD.Seed((ulong)m_Settings.Seed);

        GD.Print($"Debug boot: {m_Settings.BootMode}");
        GD.Print($"Seed: {m_Settings.Seed}");

        m_CommandNode = GetNodeOrNull<DebugCommandNode>("DebugCommandNode");
        m_CommandNode?.Initialize(m_Settings);

        LoadBootScene(m_Settings.BootMode);
    }

    public void LoadBootScene(DebugBootMode bootMode)
    {
        PackedScene? scene = bootMode switch
        {
            DebugBootMode.Smoke          => SmokeScene,
            DebugBootMode.ContentBrowser => ContentBrowserScene,
            DebugBootMode.DebugSandbox   => DebugSandboxScene,
            _                            => MenuScene
        };

        string loadedSceneId = bootMode.ToString();
        if (scene is null)
        {
            GD.PushError($"No scene configured for debug boot mode '{bootMode}'.");
            return;
        }

        if (m_LoadedScene is not null)
        {
            m_LoadedScene.QueueFree();
        }

        m_LoadedScene = scene.Instantiate();
        AddChild(m_LoadedScene);

        DebugOverlay? overlay = GetNodeOrNull<DebugOverlay>("DebugOverlay");
        if (overlay is not null && m_Settings is not null)
        {
            if (m_CommandNode is not null)
            {
                overlay.Bind(m_CommandNode.Service, m_Settings, loadedSceneId);
            }
            else
            {
                overlay.SetStatus(m_Settings, loadedSceneId);
            }
        }
    }

    [Export]
    public PackedScene? MenuScene { get; set; }

    [Export]
    public PackedScene? SmokeScene { get; set; }

    [Export]
    public PackedScene? ContentBrowserScene { get; set; }

    [Export]
    public PackedScene? DebugSandboxScene { get; set; }

    private Node? m_LoadedScene;
    private DebugSettings? m_Settings;
    private DebugCommandNode? m_CommandNode;
}