using System;
using UnityEngine;
using UnityEngine.UI;

namespace VMdemo.UI
{
    public class SimulationControlView : MonoBehaviour
    {
        [SerializeField] private Button stepButton;
        [SerializeField] private Button playButton;
        [SerializeField] private Button pauseButton;
        [SerializeField] private Button resetButton;

        public event Action StepClicked;
        public event Action PlayClicked;
        public event Action PauseClicked;
        public event Action ResetClicked;

        private void Awake()
        {
            Bind();
        }

        public void SetPlaying(bool isPlaying)
        {
            if (stepButton != null)
            {
                stepButton.interactable = !isPlaying;
            }

            if (playButton != null)
            {
                playButton.interactable = !isPlaying;
            }

            if (pauseButton != null)
            {
                pauseButton.interactable = isPlaying;
            }

            if (resetButton != null)
            {
                resetButton.interactable = true;
            }
        }

        private void Bind()
        {
            if (stepButton != null)
            {
                stepButton.onClick.RemoveAllListeners();
                stepButton.onClick.AddListener(() => StepClicked?.Invoke());
            }

            if (playButton != null)
            {
                playButton.onClick.RemoveAllListeners();
                playButton.onClick.AddListener(() => PlayClicked?.Invoke());
            }

            if (pauseButton != null)
            {
                pauseButton.onClick.RemoveAllListeners();
                pauseButton.onClick.AddListener(() => PauseClicked?.Invoke());
            }

            if (resetButton != null)
            {
                resetButton.onClick.RemoveAllListeners();
                resetButton.onClick.AddListener(() => ResetClicked?.Invoke());
            }
        }
    }
}