using UnityEngine;

public class Mob : MonoBehaviour
{
    //[SerializedField] private MobBase mobBase;

    Rigidbody2D rbody;
    Animator anim;

    public int nextMove;
    public float axisH = 0.0f;

    void Start()
    {
        rbody = GetComponent<Rigidbody2D>();
        anim = GetComponent<Animator>();
        Invoke("Think",1);
    }

    void Update()
    {
        axisH = rbody.linearVelocity.x;

        float direction = axisH > 0 ? 1 : -1;
        transform.localScale = new Vector2(direction, 1);
    }

    void FixedUpdate()
    {
        rbody.linearVelocity = new Vector2(nextMove, rbody.linearVelocity.y);

        Vector2 frontVec = new Vector2(rbody.position.x + 0.2f*nextMove, rbody.position.y);
        Debug.DrawRay(frontVec, Vector3.down, new Color(0,1,0));
        RaycastHit2D rayHit = Physics2D.Raycast(frontVec, Vector3.down, 1, LayerMask.GetMask("Ground"));

        if (rayHit.collider == null)
        {
            nextMove *= -1;

            CancelInvoke();

            Invoke("Think", 5);
        }
    }

    void Think()
    {
        Debug.Log("»ý°¢!");
        nextMove = Random.Range(-1, 2);

        float nextThinkTime = Random.Range(2f, 5f);

        Invoke("Think", nextThinkTime);

        anim.SetInteger("WalkSpeed", nextMove);
    }
}