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

public class ScrollViewScript : MonoBehaviour, IDropHandler
{
    public GameObject prefab;
    public Transform contentPanel;

    // Start is called before the first frame update
    void Start()
    {
        SetGiventQuestion();
    }

    public void SetGiventQuestion()
    {
        // if new game, create one question card to start with
        GameObject question = Instantiate(prefab, new Vector2(0,0), Quaternion.identity) as GameObject;
        QuestionCard questionCard = question.GetComponent<QuestionCard>();
        questionCard.PrepareQuestion("QuestionText", "AnswerText");
        questionCard.GetQuestion(true);
        questionCard.SetQuestionSafe();

        questionCard.transform.SetSiblingIndex(0);
        questionCard.transform.SetParent(contentPanel);
    }

    public void OnDrop(PointerEventData eventData) {
        Draggable d = eventData.pointerDrag.GetComponent<Draggable>();
        if (d == null || !d.gameObject.name.Contains("NewQuestion")) {
            return;
        }
        // Popup modal asking are you sure here or at onDragEnd?
        GameObject question = Instantiate(prefab, new Vector2(0, 0), Quaternion.identity) as GameObject;
        QuestionCard questionCard = question.GetComponent<QuestionCard>();
        questionCard.PrepareQuestion("QuestionText", "AnswerText");

        NewQuestion nq = d.GetComponent<NewQuestion>();

        questionCard.SetAnswerText(nq.answerString);
        questionCard.SetQuestionText(nq.questionString);
        questionCard.questionString = nq.questionString;
        questionCard.answerString = nq.answerString;
        questionCard.categoryString = nq.categoryString;
        questionCard.idString = nq.idString;


        questionCard.transform.SetParent(contentPanel);
        questionCard.transform.SetSiblingIndex(d.placeholder.transform.GetSiblingIndex());
    }

}