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

public class SchGame_DragControl : MonoBehaviour
{
    public Vector3 startingPos;
    bool goingBack;

    public bool havebeenSet = false;
    public string className;

    bool drag = false;

    Transform originalParent;
    // Start is called before the first frame update
    void Start()
    {
        startingPos = transform.position;
        originalParent = transform.parent;
    }

    public void StartDragging()
    {
        if (havebeenSet)
        {
            return;
        }

        GetComponentInChildren<Text>().raycastTarget = false;
        GetComponent<Image>().raycastTarget = false;

        transform.SetParent(transform.parent.parent);

        drag = true;
        StartCoroutine(GetBigger());
    }

    public void FollowMouse()
    {
        if (goingBack || havebeenSet)
        {
            return;
        }

        transform.position = Input.mousePosition;
    }

    public void EndDragging()
    {
        StartCoroutine(GoBackCor());
        drag = false;
    }

    IEnumerator GetBigger()
    {
        while(transform.localScale.x < 1.2f && drag)
        {
            transform.localScale += new Vector3(.7f, .7f, 0) * Time.deltaTime;

            yield return new WaitForEndOfFrame();
        }

        transform.localScale = new Vector3(1.2f, 1.2f, 1);

        while (drag)
        {
            yield return new WaitForEndOfFrame();
        }

        while (transform.localScale.x > 1f)
        {
            transform.localScale -= new Vector3(.8f, .8f, 0) * Time.deltaTime;

            yield return new WaitForEndOfFrame();
        }

        transform.localScale = new Vector3(1, 1, 1);
    }
    IEnumerator GoBackCor()
    {
        yield return new WaitForEndOfFrame();

        if (!havebeenSet)
        {
            GetComponentInChildren<Text>().raycastTarget = true;
            GetComponent<Image>().raycastTarget = true;
            transform.SetParent(originalParent);
        }

        goingBack = true;
        while (Vector2.Distance(transform.position, startingPos) > 10)
        {
            transform.position = Vector3.Lerp(transform.position, startingPos, 10 * Time.deltaTime);

            yield return new WaitForEndOfFrame();
        }
        transform.position = startingPos;
        goingBack = false;


        yield break;
    }
}