using System;
using System.Collections.Generic;
using UnityEngine;

public class AbilityUIHandler : MonoBehaviour
{
    #region Statication

    public static AbilityUIHandler instance;

    private void Awake()
    {
        if (instance != null && instance != this)
        {
            Destroy(gameObject);
            return;
        }
        instance = this;
    }

    #endregion
    [Header("Abilities")]
    public List<AbilityUIObject> uiObjects = new();
    [SerializeField] private MarisaAbilityHandler playerAbilityHandler;

    [Header("Upgrades")] 
    [SerializeField] private Transform upgradeGrid;
    [SerializeField] private StoredAbilityUpgradeUI templateStoredUpgradeUI;

    private void Start()
    {
        uiObjects[0].thisAbility = playerAbilityHandler.mainAttackInstance;
        uiObjects[1].thisAbility = playerAbilityHandler.secondaryAttackInstance;
        uiObjects[2].thisAbility = playerAbilityHandler.spellAInstance;
        uiObjects[3].thisAbility = playerAbilityHandler.spellBInstance;
        foreach (AbilityUIObject uiObject in uiObjects)
        {
            uiObject.UpdateUI();
        }
    }

    public void UpdateInventory()
    {
        foreach (Transform child in upgradeGrid) //awful but we'll go with it for now
        {
            Destroy(child.gameObject);
        }
        foreach (AbilityManager.StoredUpgrade storedUpgrade in AbilityManager.instance.upgradesInventory)
        {
            StoredAbilityUpgradeUI newUI = Instantiate(templateStoredUpgradeUI, upgradeGrid);
            newUI.SetUpgrade(storedUpgrade.upgrade, storedUpgrade.count);
        }
    }
}