using System.Collections;
using System.Collections.Generic;
using Photon.Pun;
using UnityEngine;

public class SnakePiece : MonoBehaviour, IPunObservable
{
    public SnakeSkinScriptable skin;
    public Vector2 direction = Vector2.right;
    public SpriteRenderer spriteRenderer;

    Vector3 defaultSize;
    void Awake(){
        defaultSize = transform.localScale;
    }

    void OnValidate() {
        if(spriteRenderer == null){
            spriteRenderer = GetComponentInChildren<SpriteRenderer>();
        }
    }

    public bool isHead = false;
    public void OnPhotonSerializeView(PhotonStream stream, PhotonMessageInfo info)
    {
        if(stream.IsWriting){
            stream.SendNext(direction);
            stream.SendNext(isHead);
        }else{
            direction = (Vector2)stream.ReceiveNext();
            isHead = (bool)stream.ReceiveNext();
        }
    }

    void Update(){
        transform.localScale =Vector3.one * (isHead ? skin.headScaleMultiplier : 1);
        if(isHead){
            foreach(SkinData skinData in skin.head){
                if(skinData.direction == direction){
                    spriteRenderer.sprite = skinData.sprite;
                    break;
                }
            }
        }else{
            foreach(SkinData skinData in skin.body){
                if(skinData.direction == direction){
                    spriteRenderer.sprite = skinData.sprite;
                    break;
                }
            }
        }
    }
}