using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using UnityEngine.EventSystems;

public class ForgableItem : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, ISelectHandler, IDeselectHandler
{
    [SerializeField] private Image forgableItemIcon;
    private Button thisButton;
    private WeaponStatsManager statsManager;
    [System.NonSerialized] public int itemIDRepresentation = -1;
    private void Awake()
    {
        thisButton = GetComponent<Button>();
        statsManager = UIManager.Instance.WeaponStatsManager;
        forgableItemIcon.enabled = false;
        thisButton.onClick.AddListener(HandleForge);
    }

    private void HandleForge()
    {
        ForgeController forgeController = UIManager.Instance.ForgeController;
        forgeController.GetBigPicture().transform.localScale = Vector3.zero;
        forgeController.GetBigPicture().sprite = GetNextLevelWeaponSprite();
        forgeController.GetForgeButton().gameObject.SetActive(true);
        forgeController.GetBigPicture().transform.DOScale(Vector3.one, 0.25f).SetEase(Ease.OutBack);
        forgeController.GetBigPicture().enabled = true;
        forgeController.CurrentItemIDInForge = itemIDRepresentation;
    }

    private Sprite GetNextLevelWeaponSprite()
    {
        Weapon currentWeaponData = OnDemandLoader.Load<Weapon>("config/" + itemIDRepresentation);
        int currentLevel = (int)currentWeaponData.WeaponLevel;
        bool isMaxLevel = currentLevel == currentWeaponData.WeaponLevels.Length - 1;
        int nextLevel = Mathf.Clamp(currentLevel + 1, 0, currentWeaponData.WeaponLevels.Length - 1);
        Weapon nextWeaponData = currentWeaponData.WeaponLevels[nextLevel];

        return UIManager.Instance.RenderItem(isMaxLevel ? itemIDRepresentation : int.Parse(nextWeaponData.SOName));

    }

    public Image GetIcon() => forgableItemIcon;

    public void SetSprite(int forgedItemID)
    {
        forgableItemIcon.enabled = true;
        Sprite sprite = UIManager.Instance.RenderItem(forgedItemID);
        forgableItemIcon.sprite = sprite;
        gameObject.name = "ForgableItem_" + forgedItemID;
        itemIDRepresentation = forgedItemID;
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        TweenScale(true);
        ShowWeaponStats();
    }

    public void OnPointerExit(PointerEventData eventData)
    {
        TweenScale(false);
        HideWeaponStats();
    }

    public void OnSelect(BaseEventData eventData)
    {
        TweenScale(true);
        ShowWeaponStats();
    }

    public void OnDeselect(BaseEventData eventData)
    {
        TweenScale(false);
        HideWeaponStats();
    }

    private void ShowWeaponStats()
    {
        statsManager.GetCanvasGroup().DOFade(1, 0.15f);
        statsManager.SetWeaponStatData(OpenWeaponStatType.Forge, itemIDRepresentation);
    }

    private void HideWeaponStats()
    {
        statsManager.GetCanvasGroup().DOFade(0, 0.15f);
    }

    private void TweenScale(bool up)
    {
        transform.GetChild(0).DOScale(up ? Vector3.one * 1.15f : Vector3.one, 0.15f);
    }
}