using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;

public class Focus : MonoBehaviour
{
	public TMP_InputField[] focus;
	int index = 0;

    // Start is called before the first frame update
    void Start()
    {
		index = 0;
		focus[index].ActivateInputField();
    }

    // Update is called once per frame
    void Update()
    {
		if (Input.GetKeyDown(KeyCode.Tab))
		{
			if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
			{
				index--;
				if (index < 0) index = focus.Length - 1;
			}
			else
			{
				index++;
				if (index >= focus.Length) index = 0;
			}
			focus[index].ActivateInputField();
		}
		//
		if (Input.GetMouseButtonUp(0))
		{
			for (int i=0; i<focus.Length; i++)
			{
				if (focus[i].isFocused)
				{
					index = i;
					break;
				}
			}
		}
	}

}