using Animancer;
using NodeCanvas.Framework;
using NodeCanvas.StateMachines;
using UnityEngine;

namespace Ether
{
    [RequireComponent(typeof(Rigidbody2D))]
    public class PlayerController : Entity
    {
        private Rigidbody2D playerRigid;
        private FSMOwner fsmOwer;
        private Blackboard blackboard;

        private bool isInputEnabled = true;

        private void Start()
        {
            playerRigid = GetComponent<Rigidbody2D>();
            fsmOwer = GetComponent<FSMOwner>();
            blackboard = GetComponent<Blackboard>();

            DontDestroyOnLoad(gameObject);
        }

        private void OnEnable()
        {
            EventCenter.AddListener<EtherInputEvent, bool>(EtherInputEvent.Up, OnUp);
            EventCenter.AddListener<EtherInputEvent, bool>(EtherInputEvent.Down, OnDown);
            EventCenter.AddListener<EtherInputEvent, bool>(EtherInputEvent.Left, OnLeft);
            EventCenter.AddListener<EtherInputEvent, bool>(EtherInputEvent.Right, OnRight);
            // blackboard.GetVariable<Vector2>("moveDirection").onValueChanged += (value) =>
            // {
            //     if ((Vector2)value == Vector2.zero)
            //     {
            //         Debug.LogError("moveDirection zero");
            //     }
            //     else
            //     {
            //         Debug.LogError("moveDirection :" + (Vector2)value);
            //     }
            // };
        }

        private void OnUp(bool isDown)
        {
            Vector2 move = blackboard.GetVariableValue<Vector2>("moveDirection");
            move.y = isDown ? move.y + 1 : move.y - 1;
            OnMove(move);
        }

        private void OnDown(bool isDown)
        {
            Vector2 move = blackboard.GetVariableValue<Vector2>("moveDirection");
            move.y = isDown ? move.y - 1 : move.y + 1;
            OnMove(move);
        }

        private void OnLeft(bool isDown)
        {
            Vector2 move = blackboard.GetVariableValue<Vector2>("moveDirection");
            move.x = isDown ? move.x - 1 : move.x + 1;
            OnMove(move);
        }

        private void OnRight(bool isDown)
        {
            Vector2 move = blackboard.GetVariableValue<Vector2>("moveDirection");
            move.x = isDown ? move.x + 1 : move.x - 1;
            OnMove(move);
        }


        private void OnMove(Vector2 move)
        {
            if (!isInputEnabled)
            {
                return;
            }

            if (move == Vector2.zero)
            {
                blackboard.SetVariableValue("moveDirection", move);
            }
            else
            {
                blackboard.SetVariableValue("moveDirection", move);
            }
        }

        public void SetInputOperation(bool isEnable)
        {
            Vector2 moveDirection = blackboard.GetVariableValue<Vector2>("moveDirection");
            if (moveDirection != Vector2.zero)
            {
                blackboard.SetVariableValue("direction", moveDirection);
                blackboard.SetVariableValue("moveDirection", Vector2.zero);
            }
            isInputEnabled = isEnable;
        }

        private void OnDisable()
        {
            //EventCenter.RemoveListener<ReInputEvent, Vector2>(ReInputEvent.Move, OnMove);
            EventCenter.RemoveListener<EtherInputEvent, bool>(EtherInputEvent.Up, OnUp);
            EventCenter.RemoveListener<EtherInputEvent, bool>(EtherInputEvent.Down, OnDown);
            EventCenter.RemoveListener<EtherInputEvent, bool>(EtherInputEvent.Left, OnLeft);
            EventCenter.RemoveListener<EtherInputEvent, bool>(EtherInputEvent.Right, OnRight);
        }
    }
}