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

public class PongBall : MonoBehaviour
{
    [SerializeField]
    private float speed;

    private Vector2 direction;

    private float minPositionY;
    private float maxPositionY;
    private float minPositionX;
    private float maxPositionX;

    private void Start()
    {
        int randomDirection = Random.Range(0, 2);
        direction = randomDirection == 0 ? Vector2.one.normalized : -Vector2.one.normalized;
    }

    private void Update()
    {
        transform.Translate(direction*speed*Time.deltaTime);

        if (transform.position.y < minPositionY && direction.y < 0)
        {
            direction.y = -direction.y;
        }

        if (transform.position.y  > maxPositionY && direction.y > 0)
        {
            direction.y = -direction.y;
        }

        if (transform.position.x < minPositionX && direction.x < 0)
        {
            Debug.Log("Right Win");
            Destroy(gameObject);
        }

        if (transform.position.x > maxPositionX && direction.x > 0)
        {
            Debug.Log("Left Win");
            Destroy(gameObject);
        }

    }

    public void Initialize(SpriteRenderer courtSpriteRenderer)
    {
        SetBallMoveRestriction(courtSpriteRenderer);
    }

    public void SetBallMoveRestriction(SpriteRenderer courtSpriteRenderer)
    {
        Sprite ballSprite = GetComponent<SpriteRenderer>().sprite;

        minPositionY = courtSpriteRenderer.bounds.min.y + ballSprite.bounds.extents.y * transform.lossyScale.y;
        maxPositionY = courtSpriteRenderer.bounds.max.y - ballSprite.bounds.extents.y * transform.lossyScale.y;

        minPositionX = courtSpriteRenderer.bounds.min.x + ballSprite.bounds.extents.x * transform.lossyScale.x;
        maxPositionX = courtSpriteRenderer.bounds.max.x - ballSprite.bounds.extents.x * transform.lossyScale.x;
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.GetComponent<Paddle>())
        {
            direction.x = -direction.x;
        }
    }
}