using TMPro;
using UnityEngine;
using DG.Tweening;

public class CoinCounter : MonoBehaviour
{
    public TextMeshProUGUI balanceLabel;
    public CanvasGroup balanceSignGroup;
    [SerializeField] private CanvasGroup _notEnoughSignGroup;
    [SerializeField] private RectTransform _notEnoughSign;
    [SerializeField] private AudioClip _coinAddedSound;
    [SerializeField] private AudioClip _coinRemovedSound;
    [SerializeField] private AudioClip _notEnoughMoneySound;

    private bool _initialized;
    private Sequence _notEnoughSequence;
    private Vector3 _notEnoughBaseScale;

    private void OnEnable()
    {
        if (_initialized)
            Subscribe();
    }

    private void OnDisable()
    {
        if (!_initialized)
            return;

        Unsubscribe();
        StopNotEnoughAnimation();
    }

    public void Initialize()
    {
        _notEnoughBaseScale = _notEnoughSign.localScale;
        ResetNotEnoughSign();
        UpdateBalanceLabelBySettings();
        _initialized = true;
        Subscribe();
    }

    public void UpdateBalanceLabel(int newCount) => balanceLabel.text = PaymentSystem.GetPluralizedMoney(newCount);

    private void UpdateBalanceLabelBySettings()
    {
        bool freeplay = SettingsManager.GetBool(SettingKey.FREEPLAY);
        if (freeplay)
        {
            balanceLabel.text = "бесплатно";
            balanceSignGroup.alpha = 0;
        }
        else
        {
            UpdateBalanceLabel(PaymentSystem.Balance);
            balanceSignGroup.alpha = 1;
        }
    }

    private void PlayNotEnoughAnimation()
    {
        const int flashesCount = 5;
        const float halfFlashDuration = 0.15f;

        StopNotEnoughAnimation();
        _notEnoughSignGroup.alpha = 0f;
        _notEnoughSign.localScale = _notEnoughBaseScale * 0.85f;

        _notEnoughSequence = DOTween.Sequence();
        _notEnoughSequence.Append(_notEnoughSignGroup.DOFade(1f, halfFlashDuration));
        _notEnoughSequence.Join(_notEnoughSign.DOScale(_notEnoughBaseScale, halfFlashDuration).SetEase(Ease.OutBack));
        _notEnoughSequence.Append(_notEnoughSignGroup.DOFade(0f, halfFlashDuration));
        _notEnoughSequence.Join(_notEnoughSign.DOScale(_notEnoughBaseScale * 0.85f, halfFlashDuration).SetEase(Ease.InQuad));
        _notEnoughSequence.SetLoops(flashesCount);
        _notEnoughSequence.OnComplete(ResetNotEnoughSign);
        _notEnoughSequence.PlayForward();
        SoundManager.instance.PlaySfx(_notEnoughMoneySound);
    }

    private void PlayCoinAddedSound(int amount)
        => SoundManager.instance.PlaySfx(_coinAddedSound);

    private void PlayCoinRemovedSound(int amount)
        => SoundManager.instance.PlaySfx(_coinRemovedSound);

    private void StopNotEnoughAnimation()
    {
        _notEnoughSequence?.Kill();
        _notEnoughSequence = null;
    }

    private void ResetNotEnoughSign()
    {
        _notEnoughSignGroup.alpha = 0f;
        _notEnoughSign.localScale = _notEnoughBaseScale;
        _notEnoughSequence = null;
    }

    private void Subscribe()
    {
        Unsubscribe();
        PaymentSystem.OnBalanceChanged += UpdateBalanceLabel;
        PaymentSystem.onCoinAdded += PlayCoinAddedSound;
        PaymentSystem.onCoinRemoved += PlayCoinRemovedSound;
        PaymentSystem.OnNotEnoughMoney += PlayNotEnoughAnimation;
        SettingsManager.OnSettingsChanged += UpdateBalanceLabelBySettings;
    }

    private void Unsubscribe()
    {
        PaymentSystem.OnBalanceChanged -= UpdateBalanceLabel;
        PaymentSystem.onCoinAdded -= PlayCoinAddedSound;
        PaymentSystem.onCoinRemoved -= PlayCoinRemovedSound;
        PaymentSystem.OnNotEnoughMoney -= PlayNotEnoughAnimation;
        SettingsManager.OnSettingsChanged -= UpdateBalanceLabelBySettings;
    }
}