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

public class SimpleMove : MonoBehaviour {

    [SerializeField] GameObject score;
    [SerializeField] GameObject coin;
    int scoreAmount = 0;

    bool PickedUp = false;
    float timeSincePickup = 0f;
    private void Update()
    {
        if (PickedUp)
        {
            timeSincePickup += Time.deltaTime;
        }
        if (timeSincePickup >= 2f)
        {
            PickedUp = false;
            timeSincePickup = 0f;
        }
        if (Input.GetKey(KeyCode.D))
        {
            transform.position = transform.position + new Vector3(1f * Time.deltaTime, 0, 0);
        }

        if (Input.GetKey(KeyCode.A))
        {
            transform.position = transform.position + new Vector3(-1f * Time.deltaTime, 0, 0);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.name == "Coin")
        {
            scoreAmount++;
            score.GetComponent<Text>().text = "" + scoreAmount;
            Destroy(other.gameObject);
            StartCoroutine(AnimateScoreUI());
        }
    }

    IEnumerator AnimateScoreUI()
    {
        if (!PickedUp)
        {
            PickedUp = true;
            Vector3 sStart = new Vector3(0f, 30f, 0f);
            Vector3 sEnd = new Vector3(0, 0, 0);
            Vector3 cStart = new Vector3(20f, 30f, 0f);
            Vector3 cEnd = new Vector3(20f, 0f, 0f);
            bool done = false;
            float percent = 0f;
            while (!done)
            {

                percent += Time.deltaTime;
                score.transform.localPosition = Vector3.Lerp(sStart, sEnd, percent);
                coin.transform.localPosition = Vector3.Lerp(cStart, cEnd, percent);
                coin.transform.Rotate(Vector3.Lerp(coin.transform.rotation.eulerAngles, new Vector3(0f, 360f, 0f), percent));
                yield return new WaitForEndOfFrame();
                if (percent >= 1f)
                {
                    done = true;
                }
            }

            while (PickedUp == true)
            {
                yield return new WaitForSeconds(1);
            }

            done = false;
            percent = 0f;
            while (!done)
            {

                percent += Time.deltaTime;
                score.transform.localPosition = Vector3.Lerp(sEnd, sStart, percent);
                coin.transform.localPosition = Vector3.Lerp(cStart, cEnd, percent);
                yield return new WaitForEndOfFrame();
                if (percent >= 1f)
                {
                    done = true;
                }
            }
        }
    }
}