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

public class LookImg : MonoBehaviour
{
    public Sprite[] sprites;
    int curImgIndex = 0;
    public Transform imgtip;
    public Button up;
    public Button down;
    bool initEnd=false;
    void Start() {
        up.onClick.AddListener(() => {
            if (curImgIndex <= 0)
            {
                curImgIndex = sprites.Length - 1;
            }
            else {
                curImgIndex--;
            }
            ChangeTip(curImgIndex);
        });
        down.onClick.AddListener(() => {
            if (curImgIndex >= sprites.Length - 1)
            {
                curImgIndex = 0;
            }
            else
            {
                curImgIndex++;
            }
            ChangeTip(curImgIndex);
        });
        
    }

    void Update() {
        if (!initEnd) return;
        GetComponent<Image>().sprite = sprites[curImgIndex];
        imgtip.GetChild(curImgIndex).gameObject.SetActive(true);
    }

    void ChangeTip(int index) {
        for (int i=0;i<imgtip.childCount;i++) {
            if (i == index)
            {
                imgtip.GetChild(i).gameObject.SetActive(true);
            }
            else {
                imgtip.GetChild(i).gameObject.SetActive(false);
            }
        } 
    }
    public void ChangeWAH(float x,float y,float z) {
        foreach (GameObject obj in GameObject.FindGameObjectsWithTag("changeImg")) {
            float width = -0.3f + ((x / 1 + y / 6 + z / 10) / 3) * 0.6f +1;
            float height = -0.3f + ((x / 1 + y / 6 + z / 10) / 3) * 0.6f + 1;
            obj.GetComponent<RectTransform>().localScale = new Vector2(width, height);
        }
        for (int i = 0; i < imgtip.childCount; i++)
        {
            imgtip.GetChild(i).gameObject.SetActive(false);
        }

        initEnd = true;
    }

}