using Godot;
using Newlon.Components.Level;

namespace Newlon;

//
// Class that gives access to level data, pools and etc.
//

public partial class LevelController : Node
{
    const string REWARD_SCENE_UID = "uid://cwck7e1tt057k";
    public static LevelController Instance { get; private set; }
    public RewardResource Reward { get; private set; }
    private string pathToInitiator;

    private bool _isLevelRunning = false;

    public override void _EnterTree()
    {
        Instance = this;
    }

    public override void _ExitTree()
    {
        Instance = null;
    }
    /// <summary>
    /// 
    /// </summary>
    /// <param name="levelTileset">Scene that will be loaded</param>
    /// <param name="levelResource">Execution of level</param>
    public void StartLevel(PackedScene levelTileset, AdventureLevelResource levelResource)
    {
        if (_isLevelRunning)
            return;

        pathToInitiator = GetTree().CurrentScene.SceneFilePath;
        RuntimeLevelData.LevelResource = levelResource;

        GetTree().ChangeSceneToPacked(levelTileset);


        _isLevelRunning = true;
    }
    public void RestartLevel()
    {
        var resource = RuntimeLevelData.LevelResource;
        GetTree().ReloadCurrentScene();
        RuntimeLevelData.LevelResource = resource;
    }
    public void EndLevel()
    {
        if (_isLevelRunning == false)
            return;


        RuntimeLevelData.LevelResource = null;

        _isLevelRunning = false;
        if (Reward != null)
        {
            GetTree().ChangeSceneToFile(REWARD_SCENE_UID);
        }
        else
        {
            ReturnToInitiator();
        }
    }
    public void ReturnToInitiator()
    {
        if (pathToInitiator == null) return;

        GetTree().ChangeSceneToFile(pathToInitiator);

        pathToInitiator = null;
    }

    public void SetReward(RewardResource reward)
    {
        Reward = reward;
    }
}