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

public class AI : MonoBehaviour
{
    public float axis, speed, timeToRandomizeDir, rotationSpeed, sensor;
    public string direction;
    public int directionRand;
    public bool beingAttracted;
    public GameObject[] food;
    public int foodNumber;
    public float distanceToFood;

    private void Start()
    {
        timeToRandomizeDir = Random.Range(0.3f, 3.0f);
    }
    private void Update()
    {
        if (foodNumber > food.Length)
        {
            foodNumber = 0;
        }
        if (distanceToFood > sensor)
        {
            beingAttracted = false;
        } else if (distanceToFood <= sensor & food[foodNumber].GetComponent<Food>().beingHaunted == false)
        {
            beingAttracted = true;
        }
        if (!beingAttracted)
        {
            foodNumber++;
            transform.eulerAngles = new Vector3(0, axis, 0);
            switch (directionRand)
            {
                case 0:
                    direction = "forward";
                    break;
                case 1:
                    direction = "right";
                    break;
                case 2:
                    direction = "left";
                    break;
            }
            timeToRandomizeDir -= Time.deltaTime;
            if (timeToRandomizeDir <= 0)
            {
                timeToRandomizeDir = Random.Range(0.5f, 3.0f);
                directionRand = Random.Range(0, 3);
            }
            else if (direction == "left")
            {
                axis -= Time.deltaTime * rotationSpeed;
            }
            else if (direction == "right")
            {
                axis += Time.deltaTime * rotationSpeed;
            }
        } else
        {
            transform.LookAt(food[foodNumber].transform);
            if (distanceToFood <= 1.5f)
            {
                Destroy(food[foodNumber].gameObject);
                beingAttracted = false;
            }
        }
        this.GetComponent<Rigidbody>().velocity = transform.forward * speed;
        distanceToFood = Vector3.Distance(this.transform.position, food[foodNumber].transform.position);

    }

}