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

public class Entity : MonoBehaviour 
{
    [SerializeField]private float health;
    [SerializeField]private float movementSpeed;
    [SerializeField]private float rotSpeed;
    [SerializeField]private float fov;
    [SerializeField]private float attackRange;
    [SerializeField]private float attackDmg;
    [SerializeField]private Transform target;
    private Vector3 direction;

    public Entity(float health, float movementSpeed, float rotSpeed, float attackRange, float attackDmg, Transform target){
        this.health = health;
        this.movementSpeed = movementSpeed;
        this.rotSpeed = rotSpeed;
        this.attackRange = attackRange;
        this.attackDmg = attackDmg;
        this.target = target;
    }

    private void Start() {
        direction = new Vector3(1,0,0);
    }
    private void Update() {
        MoveToTarget(transform, Time.deltaTime);
    }

    protected virtual void Attack(){

    }

    protected virtual void SpecialAttack(){

    }

    protected virtual void MoveToTarget(Transform transform, float deltaTime){
        direction = Vector3.RotateTowards(direction, (target.position - transform.position), rotSpeed*deltaTime, 0.0f);
        if( !IsInAttackRange())
            transform.Translate(direction * movementSpeed* deltaTime);
    }

    public void SetTarget(Transform newTarget){
        target = newTarget;
    }

    protected bool IsInAttackRange(){
        return Vector2.Distance(transform.position, target.position) <= attackRange;
    }
}