// Copyright 2022-2024 Niantic.

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

public class DrawRect : MonoBehaviour
{
    [SerializeField]
    private GameObject _rectanglePrefab;
    
    private List<UIRectObject> _rectangleObjects = new List<UIRectObject>();
    private List<int> _openIndices = new List<int>();

    public void CreateRect(Rect rect, Color color, string text)
    {
        if (_openIndices.Count == 0)
        {
            var newRect = Instantiate(_rectanglePrefab, parent: this.transform).GetComponent<UIRectObject>();

            _rectangleObjects.Add(newRect);
            _openIndices.Add(_rectangleObjects.Count - 1);
        }
        
        // Treat the first index as a queue
        int index = _openIndices[0];
        _openIndices.RemoveAt(0);
        
        UIRectObject rectangle = _rectangleObjects[index];
        rectangle.SetRectTransform(rect);
        rectangle.SetColor(color);
        rectangle.SetText(text);
        rectangle.gameObject.SetActive(true);
    }

    public void ClearRects()
    {
        for (var i = 0; i < _rectangleObjects.Count; i++)
        {
            _rectangleObjects[i].gameObject.SetActive(false);
            _openIndices.Add(i);
        }
    }
}