using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEngine;

/// <summary>
/// Система управления выдачей призов и ведения статистики игры.
/// Отвечает за процесс выдачи призов, подсчет запусков и наград.
/// </summary>
public class PrizeSystem : MonoBehaviour
{
    [SerializeField] AudioClip prizeErrorSound;

    [SerializeField] bool SoundNotification = true;
    [SerializeField] List<AudioClip> PrizeNotificationSounds;

    [SerializeField] Notification prizeNotification;

    public static string key_cash = "STARTS";
    public static string key_cashNul = "STARTSNUL";
    public static string key_prizesgiven = "PRIZESGIVEN";
    public static string key_prizesgivenNul = "PRIZESGIVENNUL";

    public static string HopperPrizeCounter = "HopperCounter";
    public static string MarblesPrizeCounter = "MarblesCounter";
    public static string TicketPrizeCounter = "TicketCounter";
    public static string SpecialPrizeCounter = "SpecialCounter";


    private static PrizeSystem instance;
    private static bool prizing = false;

    //===========================start: PUBLIC API===========================//
    public void Initialize()
    {
        instance = this;
        InitCounters();
    }

    public static void GivePrize(Prize prize)
    {
        bool settingEnabled = SettingsManager.GetBool("Prizing", false);
        
        if (!settingEnabled) { Debug.Log("Выдача приза отключена в настройках"); return; }
        if (prizing) { Debug.LogError("Уже идет выдача приза. Не спамь кнопку."); return; }

        Debug.Log($"Поступил заказ приз: {prize}");

        PrizeType prizeType = prize.PrizeType;


        if (prizeType == PrizeType.None)
        {
            Debug.Log("Пустой приз. Возврат.");
            return;
        }
        else if (prizeType == PrizeType.Special)
        {
            PlayerPrefs.SetInt("NeedSpecialPrize", 1);
        }
        else
        {
            instance.StartCoroutine(instance.PrizingProcess(prize.Amount, prizeType));
        }
    }

    //===========================end:   PUBLIC API===========================//

    #region Приватные методы
    private IEnumerator PrizingProcess(int amount, PrizeType Type)
    {
        Debug.Log($"Выдача приза {Type}. Количество: {amount}");
        prizing = true;
        bool atLeastOnePrize = false;
        for (int i = 0; i < amount; i++)
        {
            bool noPrizWhenError = SettingsManager.GetBool("PrizingWhenError", true);
            bool errorRegistred = PlayerPrefs.GetInt(KeyVault.PRIZING_ERROR_REGISTRED, 0) == 1;
            if (errorRegistred && noPrizWhenError) yield break;


            float timeout = 10;

            string enableMotorComand = ComWrapper.BoardVersion switch
            {
                1 => "303",
                2 => "301",
                _ => "303"
            };

            Debug.Log($"Включаю мотор хоппера: {enableMotorComand}");
            ComWrapper.Send(enableMotorComand);//включаем мотор
            float startTime = Time.time;
            bool success = false;

            PlayerPrefs.SetInt("PrizeGivenBuffer", 0);//подготовка буфера

            while (Time.time - startTime < timeout)
            {
                if (PlayerPrefs.GetInt("PrizeGivenBuffer", 0) == 1)
                {
                    Debug.Log("Считан приз");
                    success = true;
                    
                    break;
                }
                yield return null;
            }

            //Выключаем мотор
            string disableMotorComand = ComWrapper.BoardVersion switch
            {
                1 => "302",
                2 => "300",
                _ => "302"
            };
            Debug.Log($"Выключаю мотор: {disableMotorComand}");
            ComWrapper.Send(disableMotorComand);
            Debug.Log("Закончил. Успех: " + success);
            prizing = false;

            if (success)
            {
                //контроль остатков
                int prizesCount = PlayerPrefs.GetInt(KeyVault.PRIZES_AVAILABLE);
                prizesCount = Mathf.Clamp(prizesCount - 1, 0, 9999);
                PlayerPrefs.SetInt(KeyVault.PRIZES_AVAILABLE, prizesCount);

                //Счетчики
                IncreasePrizeCounters(Type);

                //хотя бы что то успешно выпало
                atLeastOnePrize = true;

            }
            else
            {
                PlayerPrefs.SetInt(KeyVault.PRIZING_ERROR_REGISTRED, 1);
                SoundManager.instance.playClip(prizeErrorSound);
            }
        }
        if (atLeastOnePrize)
        {
            NotificationSystem.instance.Notificate(prizeNotification);
            SoundNotificationIfNeeds();
        }


    }  


    void IncreasePrizeCounters(PrizeType Type)
    {
        string prizeCounterKey = Type switch
        {
            PrizeType.Special => SpecialPrizeCounter,
            PrizeType.Marbles => MarblesPrizeCounter,
            PrizeType.Hopper => HopperPrizeCounter,
            PrizeType.Hopper2 => HopperPrizeCounter,
            PrizeType.Ticket => TicketPrizeCounter,
            _ => "none"};

        string prizeCounterKeyNullable = prizeCounterKey + "Nullable";


        PlayerPrefs.SetInt(prizeCounterKey, PlayerPrefs.GetInt(prizeCounterKey, 0) + 1);
        PlayerPrefs.SetInt(prizeCounterKeyNullable, PlayerPrefs.GetInt(prizeCounterKeyNullable, 0) + 1);
    }

    public static void ResetPrizeCounters()
    {
        PlayerPrefs.SetInt(HopperPrizeCounter + "Nullable", 0);
        PlayerPrefs.SetInt(MarblesPrizeCounter + "Nullable", 0);
        PlayerPrefs.SetInt(TicketPrizeCounter + "Nullable", 0);
        PlayerPrefs.SetInt(SpecialPrizeCounter + "Nullable", 0);
    }

    public static string GetPrizesCounterNullableString()
    {
        StringBuilder sb = new();

        sb.Append($"Х: {PlayerPrefs.GetInt(HopperPrizeCounter + "Nullable", 0)}. ");
        sb.Append($"Т: {PlayerPrefs.GetInt(TicketPrizeCounter + "Nullable", 0)}. ");
        sb.Append($"М: {PlayerPrefs.GetInt(MarblesPrizeCounter + "Nullable", 0)}. ");
        sb.Append($"С: {PlayerPrefs.GetInt(SpecialPrizeCounter + "Nullable", 0)}. ");

        return sb.ToString();
    }

    public static string GetPrizesCounterString()
    {
        StringBuilder sb = new();

        sb.Append($"Х: {PlayerPrefs.GetInt(HopperPrizeCounter, 0)}. ");
        sb.Append($"Т: {PlayerPrefs.GetInt(TicketPrizeCounter, 0)}. ");
        sb.Append($"М: {PlayerPrefs.GetInt(MarblesPrizeCounter, 0)}. ");
        sb.Append($"С: {PlayerPrefs.GetInt(SpecialPrizeCounter, 0)}. ");

        return sb.ToString();
    }



    void InitCounters()
    {
        if (!PlayerPrefs.HasKey(key_cash)) PlayerPrefs.SetInt(key_cash, 0);
        if (!PlayerPrefs.HasKey(key_cashNul)) PlayerPrefs.SetInt(key_cashNul, 0);
    }

    private void SoundNotificationIfNeeds()
    {
        if(!SoundNotification) return;
        if (PrizeNotificationSounds == null || PrizeNotificationSounds.Count == 0) return;

        int random = Random.Range(0, PrizeNotificationSounds.Count);
        AudioClip notification = PrizeNotificationSounds[random];
        SoundManager.instance.playClip(notification);
    }
    #endregion
}