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;
    private bool placeQuestion;
    NewQuestion nq;
    private int newQuestionSiblingIndex;

    // 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?


        nq = d.GetComponent<NewQuestion>();
        newQuestionSiblingIndex = d.placeholder.transform.GetSiblingIndex();

        ModalPanel modalPanel = ModalPanel.Instance();
        ModalPanelDetails modalDetails = new ModalPanelDetails { question = "Vill du svara att " + nq.GetQuestionText().text + " hände " + nq.GetAnswerText().text + "?", iconImage = null };
        modalDetails.button1Details = new EventButtonDetails { buttonTitle = "Ja", action = YesFunction };
        modalDetails.button2Details = new EventButtonDetails { buttonTitle = "Nej", action = NoFunction };
        modalPanel.NewChoice(modalDetails);
    }

    void YesFunction() {
        GameObject question = Instantiate(prefab, new Vector2(0, 0), Quaternion.identity) as GameObject;
        QuestionCard questionCard = question.GetComponent<QuestionCard>();

        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(newQuestionSiblingIndex);
    }

    void NoFunction() {
    }
}