using System;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class OptionsUI : MonoBehaviour
{
    public static OptionsUI Instance { get; private set; }

    [SerializeField] private Button soundEffectsButton;
    [SerializeField] private Button musicButton;
    [SerializeField] private Button closeButton;
    [SerializeField] private Button moveUpButton;
    [SerializeField] private Button moveDownButton;
    [SerializeField] private Button moveLeftButton;
    [SerializeField] private Button moveRightButton;
    [SerializeField] private Button interactButton;
    [SerializeField] private Button interactAlternateButton;
    [SerializeField] private Button pauseButton;
    [SerializeField] private Button gamepadInteractButton;
    [SerializeField] private Button gamepadInteractAlternateButton;
    [SerializeField] private Button gamepadPauseButton;
    [SerializeField] private TextMeshProUGUI soundEffectsText;
    [SerializeField] private TextMeshProUGUI musicText;
    [SerializeField] private TextMeshProUGUI moveUpText;
    [SerializeField] private TextMeshProUGUI moveDownText;
    [SerializeField] private TextMeshProUGUI moveLeftText;
    [SerializeField] private TextMeshProUGUI moveRightText;
    [SerializeField] private TextMeshProUGUI interactText;
    [SerializeField] private TextMeshProUGUI interactAlternateText;
    [SerializeField] private TextMeshProUGUI pauseText;
    [SerializeField] private TextMeshProUGUI gamepadInteractText;
    [SerializeField] private TextMeshProUGUI gamepadInteractAlternateText;
    [SerializeField] private TextMeshProUGUI gamepadPauseText;
    [SerializeField] private Transform pressToRebindKeyTransform;

    private Action onCloseButtonAction;

    private void Awake()
    {
        Instance = this;
        soundEffectsButton.onClick.AddListener(() =>
        {
            SoundManager.Instance.ChangeVolume();
            UpdateVisual();
        });
        musicButton.onClick.AddListener(() =>
        {
            MusicManager.Instance.ChangeVolume();
            UpdateVisual();
        });
        closeButton.onClick.AddListener(() =>
        {
            Hide();
            onCloseButtonAction();
        });

        moveUpButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.MoveUp));
        moveDownButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.MoveDown));
        moveLeftButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.MoveLeft));
        moveRightButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.MoveRight));
        interactButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.Interact));
        interactAlternateButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.InteractAlternate));
        pauseButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.Pause));
        gamepadInteractButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.Gamepad_Interact));
        gamepadInteractAlternateButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.Gamepad_InteractAlternate));
        gamepadPauseButton.onClick.AddListener(() => RebindBinding(GameInput.Binding.Gamepad_Pause));
    }

    private void Start()
    {
        KitchenGameManager.Instance.OnGameUnpaused += KitchenGameManager_OnGameUnpaused;
        UpdateVisual();
        Hide();
        HidePressToRebindKey();
    }

    private void KitchenGameManager_OnGameUnpaused(object sender, System.EventArgs e) => Hide();

    private void UpdateVisual()
    {
        soundEffectsText.text = $"Sound Effects: {Mathf.Round(SoundManager.Instance.GetVolume() * 10f)}";
        musicText.text = $"Music: {Mathf.Round(MusicManager.Instance.GetVolume() * 10f)}";

        moveUpText.text = GameInput.Instance.GetBindingText(GameInput.Binding.MoveUp);
        moveDownText.text = GameInput.Instance.GetBindingText(GameInput.Binding.MoveDown);
        moveLeftText.text = GameInput.Instance.GetBindingText(GameInput.Binding.MoveLeft);
        moveRightText.text = GameInput.Instance.GetBindingText(GameInput.Binding.MoveRight);
        interactText.text = GameInput.Instance.GetBindingText(GameInput.Binding.Interact);
        interactAlternateText.text = GameInput.Instance.GetBindingText(GameInput.Binding.InteractAlternate);
        pauseText.text = GameInput.Instance.GetBindingText(GameInput.Binding.Pause);
        gamepadInteractText.text = GameInput.Instance.GetBindingText(GameInput.Binding.Gamepad_Interact);
        gamepadInteractAlternateText.text = GameInput.Instance.GetBindingText(GameInput.Binding.Gamepad_InteractAlternate);
        gamepadPauseText.text = GameInput.Instance.GetBindingText(GameInput.Binding.Gamepad_Pause);
    }

    public void Show(Action onCloseButton)
    {
        onCloseButtonAction = onCloseButton;
        gameObject.SetActive(true);
        closeButton.Select();
    }

    private void Hide() => gameObject.SetActive(false);

    private void ShowPressToRebindKey() => pressToRebindKeyTransform.gameObject.SetActive(true);
    private void HidePressToRebindKey() => pressToRebindKeyTransform.gameObject.SetActive(false);

    private void RebindBinding(GameInput.Binding binding)
    {
        ShowPressToRebindKey();
        GameInput.Instance.RebindBinding(binding, () =>
        {
            HidePressToRebindKey();
            UpdateVisual();
        });
    }
}