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

public class SlimeAI : MonoBehaviour
{

    Animator animator;
    float playerDistance;
    GameObject player;
    int HP;

    public float moveSpeed = 4f;
    public float rotSpeed = 100f;

    private bool isWandering = false;
    private bool isRotatingLeft = false;
    private bool isRotatingRight = false;
    private bool isWalking = false;

    //[SerializeField]
    //private UnityEvent onAttack;

    // Start is called before the first frame update
    void Start()
    {
        animator = GetComponent<Animator>();
        player = GameObject.FindWithTag("Player");
        HP = 10;
        
    }

    // Update is called once per frame
    void Update()
    {
        playerDistance = Vector3.Distance(player.transform.position, transform.position);
        if (playerDistance < 1.5) //Attack
        {
            animator.SetBool("Wandering", false);
            animator.SetBool("EnemyInAttackRange", true);
            animator.SetBool("EnemyInAggroRange", true);
            animator.SetBool("EnemyInVisionRange", true);
            Rotate();
        }
        else if (playerDistance < 10) //Chase
        {
            animator.SetBool("Wandering", false);
            animator.SetBool("EnemyInAttackRange", false);
            animator.SetBool("EnemyInAggroRange", true);
            animator.SetBool("EnemyInVisionRange", true);
            Rotate();
            Move();
        }
        else if (playerDistance < 18) //Stare
        {
            animator.SetBool("Wandering", false);
            animator.SetBool("EnemyInAttackRange", false);
            animator.SetBool("EnemyInAggroRange", false);
            animator.SetBool("EnemyInVisionRange", true);
            Rotate();
            StopCoroutine("Wandering");
        }
        else
        {
            animator.SetBool("EnemyInAttackRange", false);
            animator.SetBool("EnemyInAggroRange", false);
            animator.SetBool("EnemyInVisionRange", false);
        }
        
        if (!isWandering)
        {
            //Idle 
            StartCoroutine("Wander");
        }
        Debug.Log(isWandering);
        Debug.Log(isRotatingLeft);
        Debug.Log(isRotatingRight);
        if (isRotatingRight == true)
        {
            animator.SetBool("Wandering", false);
            transform.Rotate(transform.up * Time.deltaTime * rotSpeed);
        }
        if (isRotatingLeft == true)
        {
            animator.SetBool("Wandering", false);
            transform.Rotate(transform.up * Time.deltaTime * -rotSpeed);
        }
        if (isWalking == true)
        {
            animator.SetBool("Wandering", true);
            transform.position += transform.forward * moveSpeed * Time.deltaTime;
        }
        if (HP <= 0)
        {
            animator.SetBool("Dead", true);
        }
        if (animator.GetBool("DeathComplete"))
        {
            print("asd");
            Destroy(this.gameObject);
        }
        

    }
    void Rotate()
    {
        // Rotate the forward vector towards the target direction by one step
        Vector3 newDirection = Vector3.RotateTowards(transform.forward, player.transform.position - transform.position, 1.0f * Time.deltaTime, 0.0f);

        // Calculate a rotation a step closer to the target and applies rotation to this object
        transform.rotation = Quaternion.LookRotation(newDirection);
    }
    void Move()
    {
        transform.position += transform.forward * Time.deltaTime * 1.0f;
    }

    public void GetHit(int dmg)
    {
        HP -= dmg;
    }

    IEnumerator Wander()
    {
        int rotTime = Random.Range(1, 3);
        int rotateWait = Random.Range(1, 5);
        int rotateLorR = Random.Range(1, 2);
        int walkWait = Random.Range(1, 5);
        int walkTime = Random.Range(1, 20);

        isWandering = true;

        yield return new WaitForSeconds(walkWait);
        isWalking = true;
        yield return new WaitForSeconds(walkTime);
        isWalking = false;
        yield return new WaitForSeconds(rotateWait);
        if (rotateLorR == 1)
        {
            isRotatingRight = true;
            yield return new WaitForSeconds(rotTime);
            isRotatingRight = false;
        }
        if (rotateLorR == 2)
        {
            isRotatingLeft = true;
            yield return new WaitForSeconds(rotTime);
            isRotatingLeft = false;
        }
        isWandering = false;
    }

}