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

namespace KairoEngine.CharacterSystem
{
    /// <summary>
    /// Action to move a character in a certain direction and speed.
    /// </summary>
    public class ZombieAttackAction : IAction
    {
        CharacterController character; // Reference to the character that will move
        Vector3 targetPosition;
        string varient;
        bool done = false;

        float counter = 0f;
        bool hit = false;


        /// <summary>
        /// Action that will make a character follow a target playing a zombie animation.
        /// </summary>
        /// <param name="character">The CharacterController performing the action.</param>
        /// <param name="targetPosition">The target position that the attack will hit.</param>
        /// <param name="varient">Use "AttackL", "AttackR" or "Attack".</param>
        public ZombieAttackAction(CharacterController character, Vector3 targetPosition, string varient)
        {
            this.character = character;
            this.targetPosition = targetPosition; 
            this.varient = varient;
            this.counter = 0f;
        }

        public void Start()
        {
            if(varient == "AttackL") character.animator.SetTrigger("AttackL");
            else if(varient == "AttackR") character.animator.SetTrigger("AttackR");
            else character.animator.SetTrigger("Attack");        
            GenericEvents.StartListening(character.unique_name + "-AnimationHit", Hit);
        }

        public void Update() 
        { 
            if(hit)
            {
                counter += Time.deltaTime;
                if(counter > 0.2f)
                {
                    End();
                }
            }
        }

        public void Hit()
        {
            hit = true;
            GenericEvents.StopListening(character.unique_name + "-AnimationHit", End);
            if(varient == "AttackL") character.leftUnarmedObject.SetActive(true);
            else if(varient == "AttackR") character.rightUnarmedObject.SetActive(true);
            else
            {
                character.rightUnarmedObject.SetActive(true);
                character.leftUnarmedObject.SetActive(true);
            }

        }

        public void End()
        {
            done = true;
            character.rightUnarmedObject.SetActive(false);
            character.leftUnarmedObject.SetActive(false);
        }

        public bool IsDone()
        {
            return done;
        }
    }
}