using System;
using Godot;

namespace Newlon.Components.Level;

public partial class RuntimeLevelData : Node
{
    public enum LevelStates
    {
        ChooseYourSeeds,
        Pregame,
        Game,
        Win,
        Loose
    }

    [Export]
    public float SunCount { get; private set; } = 0;
    [Export]
    private LevelRunner levelRunner;
    [Export]
    private AnimationPlayer player;
    [Signal]
    public delegate void OnLevelStateChangedEventHandler(LevelStates state);

    public static RuntimeLevelData Instance { get; private set; }
    public static AdventureLevelResource LevelResource { get; set; }

    private LevelStates _currentState = LevelStates.ChooseYourSeeds;



    public override void _Ready()
    {
        Instance = this;
        Engine.TimeScale = 1.0;
        SetLevelState(LevelStates.ChooseYourSeeds);
    }
    #region Sun
    public void AddSun(float amount)
    {
        SunCount += amount;
    }

    public void SpendSun(float amount)
    {
        SunCount -= amount;
    }

    public bool CheckSpendSun(float amount)
    {
        if (SunCount - amount < 0) return false;

        return true;
    }
    #endregion

    public void SetLevelState(LevelStates state)
    {
        EmitSignal(SignalName.OnLevelStateChanged, (int)state);

        _currentState = state;

        switch (_currentState)
        {
            case LevelStates.ChooseYourSeeds:
                player.Play("CYS_Sequence");
                break;
            case LevelStates.Pregame:
                player.Play("PG_Sequence");
                break;
            case LevelStates.Game:
                GetTree().Paused = false;
                levelRunner.SetLevelResource(LevelResource);
                break;
            case LevelStates.Win:
                break;
            case LevelStates.Loose:
                break;
        }
    }
    public LevelStates GetLevelState()
    {
        return _currentState;
    }
    public override void _ExitTree()
    {
        LevelController.Instance.EndLevel();
    }


    //private Array<PlantResource> _selectedPlants;
    //private bool _selected;
    //public Array<PlantResource> GetSelectedPlants();
    //public bool TrySelectPlants(Array<PlantResource>);
    //public void ResetSelection();
}