using System;
using UnityEngine;
using Marvelous;
using UniRx;
using UnityAtoms.BaseAtoms;

namespace UnityAtoms.Examples
{
    public class PlayerMoveUniRx : MonoBehaviour
    {
        [SerializeField]
        private StringVariable _uiState;
        [SerializeField]
        private StringConstant _uiStatePlaying;

        private void Awake()
        {
            float _horizontal = 0f, _vertical = 0f;
            string HORIZONTAL = "Horizontal", VERTICAL = "Vertical";

            Observable.EveryUpdate().Fuse<long, string>(
                _uiState.ObserveChange(),
                initialValue2: _uiState.Value
            ).Subscribe(t =>
            {
                var (_, state) = t;
                _horizontal = state == _uiStatePlaying.Value ? Input.GetAxis(HORIZONTAL) : 0f;
                _vertical = state == _uiStatePlaying.Value ? Input.GetAxis(VERTICAL) : 0f;
            });

            Observable.EveryFixedUpdate().Subscribe(t =>
            {
                GetComponent<Rigidbody2D>().velocity = new Vector2(_horizontal, _vertical) * 5f;
            });
        }
    }
}