using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using NodeCanvas.Framework;
using ParadoxNotion.Design;
using KairoEngine.Core;

namespace KairoEngine.CharacterSystem
{
    [Category("KairoEngine")]
    public class CharacterMoveToPositionTaskAction : ActionTask
    {
        [BlackboardOnly, RequiredField] public BBParameter<CharacterController> character;
        [BlackboardOnly, RequiredField] public BBParameter<Vector3> position;
        [RequiredField] public BBParameter<float> stoppingDistance = 1f;

        public MoveSpeed moveSpeed = MoveSpeed.walk;

        protected override string info {
            get { return "Move character to position"; }
        }

        protected override void OnExecute()
        {
            float translationSpeed = 1.25f;
            float animationSpeed = 1f;
            if(moveSpeed == MoveSpeed.run)
            {
                translationSpeed = 3.5f;
                animationSpeed = 2f;
            }
            GenericEvents.StartListening(character.value.unique_name + "-ArrivedInPositionAction", End);
            ICommand movecommand = new CharacterMoveToPositionCommand(character.value, position.value, translationSpeed, animationSpeed, stoppingDistance.value);
            CommandInvoker.AddCommand(movecommand);
        }

        protected override void OnUpdate()
        {
            float distance = Vector3.Distance(character.value.transform.position, position.value);
            if(distance < stoppingDistance.value) End();
        }

        protected override void OnStop()
        {
            End();
        }


        private void End()
        {
            GenericEvents.StopListening(character.value.unique_name + "-ArrivedInPositionAction", End);
            ICommand stopCommand = new CharacterStopMoveCommand(character.value);
            CommandInvoker.AddCommand(stopCommand);
            EndAction(true);
        }

    }
}