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

namespace SimpleInventorySystem
{
    public class ContextMenuManagerUI : MonoBehaviour
    {
        public static ContextMenuManagerUI instance;
        public GameObject itemInspectMenu;
        [HideInInspector] public ItemUI inspectItem;
        public GameObject TacticalRigInspectionWindow;

        private void Awake()
        {
            instance = this;
        }

        public bool IsInspectingItem()
        {
            return inspectItem != null;
        }

        public bool ItemInspectMenuHasFocus()
        {
            return InventorySystem.IsMouseOverUI(itemInspectMenu);
        }

        public void OpenContextMenu(ItemUI uiContext)
        {
            if(inspectItem != null)
            {
                CloseContextMenu();
            }

            //ContextMenuUI.transform.SetParent(uiContext, false);
            itemInspectMenu.SetActive(true);
            itemInspectMenu.transform.position = uiContext.transform.position;
            inspectItem = uiContext;
            //ContextMenuUI.transform.localScale = new Vector3(1, 1, 1);

            Button inspectButton = itemInspectMenu.transform.Find("Inspect").GetComponent<Button>();
            uiContext.SetInteractable(false);
            Debug.Log("ContextMenuManager: " + inspectButton);
            if (inspectButton != null)
            {
                inspectButton.onClick.AddListener(OpenInspectionWindow);
            }
        }

        public void OpenInspectionWindow()
        {
            Debug.Log("Open");
            if (inspectItem != null && inspectItem.ItemTag == ItemTags.TacticalRig && inspectItem.Equipped)
            {
                //
                //(TacticalRigInspectionWindow, InventorySystem.instance.inventoryUI.transform);
                inspectItem.ContextWindows.Add(TacticalRigInspectionWindow);
                TacticalRigInspectionWindow.SetActive(true);
            }
        }

        public void DropItem()
        {
            Debug.Log("Drop");
            if (inspectItem != null)
            {
                inspectItem.DropItemAway();
                CloseContextMenu();
            }
        }

        public void CloseContextMenu()
        {
            if(inspectItem != null)
            {
                Button inspectButton = itemInspectMenu.transform.Find("Inspect").GetComponent<Button>();
                if (inspectButton != null)
                {
                    inspectButton.onClick.RemoveListener(OpenInspectionWindow);
                }
                inspectItem.SetInteractable(true);
            }
            inspectItem = null;
            itemInspectMenu.SetActive(false);
        }

        // Start is called before the first frame update
        void Start()
        {
            itemInspectMenu.SetActive(false);
            TacticalRigInspectionWindow.SetActive(false);
        }

        // Update is called once per frame
        void Update()
        {
            if (Input.GetMouseButton(0))
            {
                //itemInspectMenu.SetActive(false);
            }
        }
    }

}