using System;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace ZXL.Scripts.UI
{
    public class RenameItem : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, IPointerClickHandler
    {
        Toggle parentToggle;
        InputField inputField;
        bool isEnter = false;
        bool isCanRename = false;
        private int clickCount = 0;
        public Action<string> RenameAction;
        public string oldName;

        private void Awake()
        {
            parentToggle = transform.parent.GetComponent<Toggle>();
            inputField = gameObject.GetComponent<InputField>();
            inputField.image.raycastTarget = false;
        }

        private void Update()
        {
            if (isCanRename)
            {
                if (!isEnter && (Input.GetMouseButtonDown(0) ||
                                 Input.GetMouseButtonDown(1) ||
                                 Input.GetMouseButtonDown(2)))
                {
                    isCanRename = false;
                    parentToggle.isOn = true;
                    inputField.image.raycastTarget = false;
                    inputField.text = oldName;
                    Debug.Log("rename cancel !!");
                }

                if (Input.GetKeyDown(KeyCode.KeypadEnter) || Input.GetKeyDown(KeyCode.Return))
                {
                    isCanRename = false;
                    inputField.image.raycastTarget = false;
                    RenameAction?.Invoke(inputField.text);
                    Debug.Log("rename finish !!");
                }
            }
        }

        public void OnPointerEnter(PointerEventData eventData)
        {
            isEnter = true;
            clickCount = 0;
            if (!isCanRename)
            {
                oldName = inputField.text;
            }
        }

        public void OnPointerExit(PointerEventData eventData)
        {
            isEnter = false;
            clickCount = 0;
        }

        public void OnPointerClick(PointerEventData eventData)
        {
            parentToggle.isOn = true;
            clickCount++;
            if (clickCount >= 2)
            {
                isCanRename = true;
                inputField.image.raycastTarget = true;
            }
        }
    }
}