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

public class CameraScript : MonoBehaviour
{

    //enum CameraState {Idle, ZoomingIn, ZoomedIn, ZoomingOut };
    //CameraState currentState;
    bool isZooming;
    float time;

    bool isZoomed;

    float defaultSize;
    float targetSize;
    float startSize;

    Vector3 DefaultPosition;
    Vector3 StartPosition;
    Vector3 targetPosition;

    Camera myCamera;
    // Use this for initialization
    void Awake()
    {
        myCamera = GetComponent<Camera>();
        defaultSize = myCamera.orthographicSize;
        //DefaultPosition = transform.position;
    }

    public void GoTo(float zoom, Vector3 CharPos)
    {
        isZooming = true;
        time = 0;

        //CameraLocation camLocation = CameraLocations.instance.GetLocation();

        startSize = myCamera.orthographicSize;
        targetSize = zoom;


        StartPosition = transform.position;
        targetPosition = CharPos;

        if (!isZoomed)
        {
            defaultSize = startSize;
            DefaultPosition = StartPosition;
        }

        isZoomed = true;
    }

    public void ZoomOut()
    {
        isZooming = true;
        time = 0;

        startSize = targetSize;
        targetSize = defaultSize;
        //DefaultPosition = StartPosition;
        StartPosition = targetPosition;
        targetPosition = DefaultPosition;

        StartCoroutine(ReachPosition());
    }

    IEnumerator ReachPosition()
    {
        while(isZooming)
        {
            yield return new WaitForSeconds(0.1f);
        }
        isZoomed = false;
    }

    // Update is called once per frame
    void Update()
    {
        if (isZooming)
        {
            time += Time.deltaTime * 2;

            myCamera.orthographicSize = Mathf.Lerp(startSize, targetSize, time);
            transform.position = Vector3.Lerp(StartPosition, targetPosition, time);

            if (time >= 1)
            {
                myCamera.orthographicSize = targetSize;
                transform.position = targetPosition;

                isZooming = false;
            }
        }
    }
}