using PrizeSystem;
using System;
using UnityEngine;

public static class PaymentSystem
{
    public static int Balance { get; private set; }

    public static event Action<int> onCoinAdded;
    public static event Action<int> onCoinRemoved;
    public static event Action<int> OnBalanceChanged;
    public static event Action OnNotEnoughMoney;

    public static bool Freeplay { get; private set; }
    public static int ValutaPerImpulse { get; private set; }
    public static string ValutaName { get; private set; }
    public static int PricePve { get; private set; }
    public static int PricePvp { get; private set; }
    public static int PriceRevenge { get; private set; }
    public static int PulsesCounter { get; private set; }

    public static void Initialize()
    {
        Balance = LoadBalance();
        ComWrapper.PaymentReceived += AddCredit;

        PullSettings();
        SettingsManager.OnSettingsChanged.AddListener(PullSettings);
    }

    public static bool TryPay(int amount)
    {
        if (Freeplay) return true;

        if (Balance >= amount)
        {
            ChangeBalance(-amount);
            return true;
        }
        else
        {
            OnNotEnoughMoney?.Invoke();
            return false;
        }
    }

    public static void AddCredit()
    {
        ChangeBalance(ValutaPerImpulse);

        //вот это вот некрасивое надо куда то девать.
        PlayerPrefs.SetInt(PrefsKeyVault.CASH_COUNTER, PlayerPrefs.GetInt(PrefsKeyVault.CASH_COUNTER) + ValutaPerImpulse);
        PlayerPrefs.SetInt(PrefsKeyVault.CASH_COUNTER_NUL, PlayerPrefs.GetInt(PrefsKeyVault.CASH_COUNTER_NUL) + ValutaPerImpulse);

        if (SettingsManager.GetString("BaseBotDifficulty", "Фиксированная") == "Повышенная")
        {
            IncrementPulsesCounter();
        }
    }

    public static void AddCreditNoCounters(int amount) => ChangeBalance(amount);

    public static void ReturnCredits(GameMode gameMode)
    {
        string gamemodePriceKey = gameMode == GameMode.pvp ? "PricePVP" : "PricePVE";
        int gamemodePrice = PlayerPrefs.GetInt(gamemodePriceKey, 10);

        ChangeBalance(gamemodePrice);
    }

    public static void ResetBalance()
    {
        int delta = -Balance;
        ChangeBalance(delta);
    }

    private static void PullSettings()
    {
        Freeplay = SettingsManager.GetBool("Freeplay", false);
        ValutaPerImpulse = PlayerPrefs.GetInt("ValutaPerImpulse", 10);
        ValutaName = PlayerPrefs.GetString("ValutaName", "руб.");

        PricePve = PlayerPrefs.GetInt("PricePVE", 10);
        PricePvp = PlayerPrefs.GetInt("PricePVP", 10);
        PriceRevenge = PlayerPrefs.GetInt("PriceRevenge", 10);

        PulsesCounter = PlayerPrefs.GetInt("PulsesCounter", 0);
    }

    private static void ChangeBalance(int delta)
    {
        if (delta == 0) return;

        Balance += delta;
        Balance = Mathf.Max(Balance, 0);
        SaveBalance();

        if (delta > 0) onCoinAdded?.Invoke(delta);
        else onCoinRemoved?.Invoke(delta);
        OnBalanceChanged?.Invoke(Balance);
    }

    private static void SaveBalance() => PlayerPrefs.SetInt("CoinsCount", Balance);
    private static int LoadBalance() => PlayerPrefs.GetInt("CoinsCount", 0);

    public static void IncrementPulsesCounter()
    {
        PulsesCounter += 1;
        PlayerPrefs.SetInt("PulsesCounter", PulsesCounter);
    }

    public static void ResetPulsesCounter()
    {
        PulsesCounter = 0;
        PlayerPrefs.SetInt("PulsesCounter", PulsesCounter);
    }
}