using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

// InventoryUI.cs

public class InventoryUI : MonoBehaviour
{
    public InventoryManager inventoryManager;
    public Transform itemParent;
    public GameObject itemSlotPrefab;
    public GameObject inventoryItemPrefab;

    public int maxSlots = 30;

    public readonly Dictionary<int, GameObject> slots = new();

    private void Start()
    {
        Debug.Log("InventoryUI Start");
        if (itemParent == null)
        {
            Debug.LogWarning("ItemParent is null!");
            return;
        }

        foreach (Transform child in itemParent) Destroy(child.gameObject);
        Debug.Log("Finished deleting old crap");


        for (var i = 0; i < maxSlots; i++)
        {
            var slot = Instantiate(itemSlotPrefab, itemParent);
            Debug.Log("created slot");
            slots.Add(i, slot);
        }

        // foreach (var item in inventoryManager.inventoryItems) addItemToSlot(slot, item);
    }

    private void addItemToSlot(GameObject slot, GameItem item)
    {
        Debug.Log(item);
        Debug.Log(item.itemName);

        ListChildren(slot);

        var itemNameText = slot.GetComponentInChildren<TextMeshProUGUI>();
        if (itemNameText != null)
            itemNameText.text = item.itemName;
        else
            Debug.LogWarning("ItemName Text component not found in slot: " + slot);


        // slot.GetComponentInChildren<Text>().text = item.itemName;
        var iconTransform = slot.transform.Find("Icon");
        if (iconTransform != null)
        {
            var iconImage = iconTransform.GetComponent<Image>();
            if (iconImage != null)
                iconImage.sprite = item.icon;
            else
                Debug.LogWarning("Image component not found on Icon child: " + slot);
        }
        else
        {
            Debug.LogWarning("Icon child not found in slot: " + slot);
        }
    }

    public void ListChildren(GameObject parent)
    {
        foreach (Transform child in parent.transform) Debug.Log("Child: " + child.name);
    }

    public void UpdateUI()
    {
        foreach (Transform child in itemParent) Destroy(child.gameObject);
        foreach (var item in inventoryManager.inventoryItems)
        {
            var slot = Instantiate(itemSlotPrefab, itemParent);
            slot.GetComponentInChildren<Text>().text = item.itemName;
            // slot.GetComponentInChildren<Image>().sprite = item.icon;
        }
    }
}