using UnityEngine;
using TMPro;

public class MobileKeyboardHandlerBottomPivot : MonoBehaviour
{
    public TMP_InputField inputField;
    public RectTransform canvasRect;

    private Vector2 originalAnchoredPos;
    private RectTransform inputRect;

    [Range(0.2f, 0.5f)]
    public float keyboardHeightRatio = 0.35f;

    void Awake()
    {
        inputRect = inputField.GetComponent<RectTransform>();
        originalAnchoredPos = inputRect.anchoredPosition;

        inputField.onSelect.AddListener(OnInputSelected);
        inputField.onDeselect.AddListener(OnInputDeselected);
    }

    void OnInputSelected(string text)
    {
        StartCoroutine(MoveInputAboveKeyboard());
    }

    void OnInputDeselected(string text)
    {
        // 원래 자리로 복원
        inputRect.anchoredPosition = originalAnchoredPos;
    }

    System.Collections.IEnumerator MoveInputAboveKeyboard()
    {
        // 키보드가 뜨는 동안 잠시 대기
        yield return new WaitForSeconds(0.1f);

        float canvasHeight = canvasRect.rect.height;
        float estimatedKeyboardHeight = canvasHeight * keyboardHeightRatio;

        Vector2 newPos = inputRect.anchoredPosition;
        newPos.y = estimatedKeyboardHeight + inputRect.rect.height + 10; // 10px 여유
        inputRect.anchoredPosition = newPos;
    }
}