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

namespace Studio.UVC.UI
{
    public class UVCScrollView : MonoBehaviour
    {
        private ScrollRect scrollRect;
        private UVCScrollviewItem item;
        private Action onClickScrollItem;

        private List<UVCScrollviewItem> scrollItems = new();
        public void Init(Vector2 size)
        {
            scrollRect = GetComponent<ScrollRect>();
            var rect = GetComponent<RectTransform>();

            rect.sizeDelta = size;
            item = Resources.Load<UVCScrollviewItem>("Prefabs/Common/UVCScrollviewItem");
        }
   
        public void SetVerticalItem<T>(List<T> items)
        {
            if (!scrollRect.gameObject.TryGetComponent<VerticalLayoutGroup>(out var layout))
            {
                layout.gameObject.AddComponent<VerticalLayoutGroup>();
            }
        }


        public void SetHorizontalItem<T>(List<T> items) 
        {
            if (!scrollRect.gameObject.TryGetComponent<HorizontalLayoutGroup>(out var layout))
            {
                layout.gameObject.AddComponent<HorizontalLayoutGroup>();
            }
        }

        public void SetLayOutGroupItem<T>(List<T>items,Vector2 cellSize)
        {
            if(!scrollRect.gameObject.TryGetComponent<GridLayoutGroup>(out var layout))
            {
                layout.gameObject.AddComponent<GridLayoutGroup>();
                layout.cellSize = cellSize;
            }

            foreach (T item in items)
            {
                var itme = CreateItem();
            }
        }


        public UVCScrollviewItem CreateItem()
        {
            var resultItem = Instantiate<UVCScrollviewItem>(item, scrollRect.content);
            resultItem.onClickButton?.Invoke();
            scrollItems.Add(resultItem);
            return resultItem;
        }
    }
}