MenuManager.cs

using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.UI;

public class MenuManager : MonoBehaviour
{
    [SerializeField] private LeanTweenType easeType = LeanTweenType.easeInOutCubic;
    [SerializeField] private float leaveAnimDuration = 0.5f;
    [SerializeField] private float offsetZ = 10;

    [SerializeField] private Button factButton;
    private GameObject factPanel;

    [SerializeField] private Button settingsButton;
    [SerializeField] private GameObject settingsPanel;

    [SerializeField] private Button totemShopButton;
    [SerializeField] private GameObject totemShopPanel;

    [SerializeField] private GameObject[] decorationLeaves;

    private BalanceManager balance;

    private void Start()
    {
        factPanel = FindObjectOfType<FactManager>().gameObject;
        balance = FindObjectOfType<BalanceManager>();

        AnimateLeaves();

        factButton.onClick.AddListener(() => ProcessFactPurchase(10f));

        settingsButton.onClick.AddListener(() => UIManager.Instance.PopUpAnim(settingsPanel, Vector3.one));
        totemShopButton.onClick.AddListener(() => UIManager.Instance.PopUpAnim(totemShopPanel, Vector3.one));
    }
    private void AnimateLeaves()
    {
        foreach(var leave in decorationLeaves)
        {
            LeanTween.rotateZ(leave, leave.transform.rotation.z + offsetZ, leaveAnimDuration).setEase(easeType).setLoopPingPong();
        }
    }

    public void QuitButton()
    {
        Application.Quit();
    }

    private void ProcessFactPurchase(float factPrice)
    {
        if (balance == null) { Debug.Log("BalanceManager is null"); return; }

        if(balance.isSufficient(-factPrice))
        {
            balance.AddBalance(-factPrice); // price of the fact
            UIManager.Instance.PopUpAnim(factPanel, Vector3.one);
            factPanel.GetComponent<FactManager>().SetUpFact(); // Generate new fact
        }
        else
        {
            UIManager.Instance.PopUpAnim(balance.insufficientBalancePopUp, Vector3.one);
            Debug.Log("Insufficient balance");
        }
    }

    public void OpenLevelSelectPanel(GameObject panel)
    {
        UIManager.Instance.PopUpAnim(panel, Vector3.one);
    }
}