evershade/Assets/Scripts/Components/UI/SlotComponent.cs

using Data.ScriptableObjects.Items;
using Handlers;
using Managers.Item;
using Types.Items;
using Types.UI;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.UI;
using Utils;
using ColorUtility = UnityEngine.ColorUtility;

namespace Components.UI
{
    public class SlotComponent : MonoBehaviour
    {
        [SerializeField] private ToolbarManager toolbarManager;
        private ItemComponent _itemComponent;
        [SerializeField] public GameSlot GameSlot;
        protected GameObject ItemPrefab;
        protected SlotHandler SlotHandler;

        private void Awake()
        {
            SlotHandler = gameObject.AddComponent<SlotHandler>();
            SlotHandler.SetSlotComponent(this);

            if (SlotHandler == null) GameLogger.LogError("SlotHandler not found");
        }


        // public void PrintHierarchy(GameObject obj, string indent = "")
        // {
        //     // Print the name of the current GameObject
        //     GameLogger.Log(indent + obj.name);
        //
        //     // Print the names of all components attached to the current GameObject
        //     foreach (var component in obj.GetComponents<Component>()) GameLogger.Log(indent + " - " + component.GetType().Name);
        //
        //     // Recursively print the hierarchy for each child of the current GameObject
        //     foreach (Transform child in obj.transform) PrintHierarchy(child.gameObject, indent + "  ");
        // }

        public void ListAllComponents()
        {
            var components = GetComponents<Component>();
            foreach (var component in components) GameLogger.Log(component.GetType().Name);
        }

        public void ListAllComponentsInChildren()
        {
            var components = GetComponentsInChildren<Component>();
            foreach (var component in components) GameLogger.Log(component.GetType().Name);
        }


        // use slot type to choose manager to get slot from
        protected void SwapItems(GameItemSo draggedItemHandler)
        {
            // Get parent slot of the dragged item
            var draggedSlot = draggedItemHandler.GetComponentInParent<SlotComponent>();
            var destinationSlot = GetComponent<SlotComponent>();

            // we need to check the slot type of the dragged item to see if it can be placed in this slot
            if (draggedSlot.GetSlot().GetType() != GameSlot.GetType())
            {
                GameLogger.Log("Cannot place item in this slot");
                return;
            }

            // PlayerManager.Instance.SwapItems(draggedSlot.SlotType, draggedSlot.SlotId, SlotType, SlotId);

            // var tempItem = destinationSlot;

            // assigns to the destination slot the dragged item
            AssignItem(draggedItemHandler.Clone());

            // If this slot had an item, move it to the dragged item's original slot
            if (destinationSlot != null)
                draggedSlot.AssignItem(destinationSlot.GetItem());
            // todo: UIManager.Instance.InventoryUIController.UpdateUI();
            else
                Destroy(draggedItemHandler);
        }

        public void AssignItem(GameItem newItem)
        {
            // Remove any existing ItemPrefab(Clone) from this slot
            DeleteItem();
            if (ItemPrefab == null)
                // GameLogger.LogError("ItemPrefab not set");
                // return;
                ItemPrefab = PrefabManager.Instance.GetItemPrefab();

            var newItemInstance = Instantiate(ItemPrefab, transform);
            _itemComponent = newItemInstance.GetComponent<ItemComponent>();
            _itemComponent.SetItem(newItem);
        }

        public GameItem GetItem()
        {
            if (_itemComponent == null) return null;
            return _itemComponent.GetItem();
        }

        public ItemComponent GetItemComponent()
        {
            GameLogger.Log("Getting item component");
            return _itemComponent;
        }

        public ItemHandler GetItemHandler()
        {
            return _itemComponent.itemHandler;
        }

        /*public int GetSlotId()
    {
        return slotId;
    }*/

        public void DeleteSlot()
        {
            if (_itemComponent == null) return;

            Destroy(_itemComponent.transform.parent.gameObject);
            // Destroy(itemComponent.itemHandler);
            // Destroy(itemComponent);
            _itemComponent = null;
        }

        public void SetSlotDetails(GameSlot gameSlotDetails)
        {
            GameSlot = gameSlotDetails;
            if (gameSlotDetails.Item != null) AssignItem(gameSlotDetails.Item);
            if (gameSlotDetails.Item == null) DeleteItem();

            // var button = transform.Find("WhiteBg").GetComponent<Button>();
            GameLogger.Log("Slot details set, added handler.");
        }

        public GameSlot GetSlot()
        {
            return GameSlot;
        }

        public void AssignItemComponent(ItemComponent destinationItem)
        {
            if (destinationItem == null)
            {
                DeleteItem();
                return;
            }

            AssignItem(destinationItem.GetItem());
        }

        public void DeleteItem()
        {
            if (_itemComponent == null) return;

            _itemComponent.DeleteItem();
            _itemComponent = null;
        }


        public void SetSlotActive(bool isActive)
        {
            // change the bg color of the RawImage that is on the child of this slot called WhiteBg
            var whiteBg = transform.Find("WhiteBg").GetComponent<RawImage>();

            var originalColorHex = "#FFFFFF";
            var selectedColorHex = "#D58220";

            Color originalColor;
            Color selectedColor;

            // Try to convert the hex color strings to Color objects
            if (!ColorUtility.TryParseHtmlString(originalColorHex, out originalColor))
            {
                GameLogger.LogError("Invalid color string: " + originalColorHex);
                originalColor = Color.white; // default to white if the color string is invalid
            }

            if (!ColorUtility.TryParseHtmlString(selectedColorHex, out selectedColor))
            {
                GameLogger.LogError("Invalid color string: " + selectedColorHex);
                selectedColor = Color.white; // default to white if the color string is invalid
            }

            // Set the color of the RawImage
            whiteBg.color = isActive ? selectedColor : originalColor;
        }

        public void OnSlotClick()
        {
            toolbarManager.SetActiveSlot(GameSlot.GetSlotId());
        }

        public void SetSlotType(SlotType type)
        {
            GameSlot.SetSlotType(type);
        }

        public bool IsAllowedItemTypes(ItemType type)
        {
            return GameSlot.IsAllowedItemTypes(type);
        }
    }
}