using PrizeSystem;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using static PrizeView;

namespace PrizeSystem
{
    public class PrizeSystemManager : MonoBehaviour
    {
        public static event Action<PrizeContainer> OnPrizesChanged;
        public static event Action<bool> OnErrorStateChanged;

        [Header("Звук")]
        [SerializeField] private AudioClip prizeErrorSound;
        [SerializeField] private List<AudioClip> PrizeNotificationSounds;
        [SerializeField] private Notification prizeNotification;

        private static PrizeSystemManager I;
        private static bool prizingInProcess = false;

        public static PrizeContainer PrizeContainer { get; private set; }

        private static Queue<QrPrize> qrPrizes;
        private static Queue<VitrinaPrize> vitrinaPrizes;

        public static bool HasQrPrizeToGive => qrPrizes.Count > 0;
        public static bool HasVitrinaPrizeToGive => vitrinaPrizes.Count > 0;
        private string StartHopperCommand => "303";
        private string StopHopperCommand => "302";
        public static bool ErrorState => PlayerPrefs.GetInt(PrefsKeyVault.PRIZING_ERROR_REGISTRED, 0) == 1;

        private PrizeContainer _defaultPrizes = new PrizeContainer
        {
            Sets = new List<PrizeSet>()
            {
                new PrizeSet() { Prizes = new List<Prize> { new EmptyPrize() } },
                new PrizeSet() { Prizes = new List<Prize> { new EmptyPrize() } },
                new PrizeSet() { Prizes = new List<Prize> { new EmptyPrize() } },
                new PrizeSet() { Prizes = new List<Prize> { new EmptyPrize() } },
                new PrizeSet() { Prizes = new List<Prize> { new QrPrize("5000 руб") } }
            }
        };

        [SerializeField] private List<PrizeImageMap> iconsMap;
        [SerializeField] private Sprite defaultIcon;

        public void Initialize()
        {
            I = this;

            PrizeSerializer.Initialize(_defaultPrizes);
            PrizeContainer = PrizeSerializer.LoadFromFile();

            qrPrizes = new();
            vitrinaPrizes = new();
        }

        public static QrPrize DequeueQrPrize() => HasQrPrizeToGive ? qrPrizes.Dequeue() : null;
        public static VitrinaPrize DequeueVitrinaPrize() => HasVitrinaPrizeToGive ? vitrinaPrizes.Dequeue() : null;

        public static void SavePrizes()
        {
            OnPrizesChanged?.Invoke(PrizeContainer);
        }

        public static void GivePrize(Prize prize)
        {
            bool prizingEnabled = SettingsManager.GetBool(SettingKey.PRIZING);
            if (prizingEnabled == false) return;

            if (prize == null)
            {
                Debug.Log("Приз Null"); return;
            }

            if (prize is EmptyPrize)
            {
                Debug.Log("Пустой приз. Возврат.");
                return;
            }
            else if (prize is CountablePrize countablePrize)
            {
                I.StartCoroutine(I.GiveCountablePrizeCoroutine(countablePrize.Amount, countablePrize.Type));
            }
            else if (prize is VitrinaPrize vitrinaPrize)
            {
                vitrinaPrizes.Enqueue(vitrinaPrize);
            }
            else if (prize is QrPrize qrPrize)
            {
                qrPrizes.Enqueue(qrPrize);
            }
        }
        
        private IEnumerator GiveCountablePrizeCoroutine(int amount, CountablePrizeType Type)
        {
            if (prizingInProcess)
            {
                Debug.LogError("Уже идет выдача приза. Повторная выдача отключена");
                yield break;
            }
            prizingInProcess = true;

            Debug.Log($"Выдача приза {Type}. Количество: {amount}");
            bool atLeastOnePrize = false;

            for (int i = 0; i < amount; i++)
            {
                bool noPrizWhenError = SettingsManager.GetBool(SettingKey.PRIZING_WHEN_ERROR);
                bool errorRegistred = PlayerPrefs.GetInt(PrefsKeyVault.PRIZING_ERROR_REGISTRED, 0) == 1;
                if (errorRegistred && noPrizWhenError) yield break;

                PlayerPrefs.SetInt(PrefsKeyVault.PRIZE_GIVEN_BUFFER, 0);
                ComWrapper.Send(StartHopperCommand);

                float startTime = Time.time;
                bool success = false;
                float timeout = 10;
                while (Time.time - startTime < timeout)
                {
                    if (PlayerPrefs.GetInt(PrefsKeyVault.PRIZE_GIVEN_BUFFER, 0) == 1)
                    {
                        success = true;
                        break;
                    }
                    yield return null;
                }

                ComWrapper.Send(StopHopperCommand);

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

                    //Счетчики
                    IncreasePrizeCounters(Type);

                    //хотя бы что то успешно выпало
                    atLeastOnePrize = true;
                }
                else
                {
                    SetPrizingError(true);
                    SoundManager.instance.playClip(prizeErrorSound);
                }
            }
            if (atLeastOnePrize)
            {
                NotificationSystem.instance.Notificate(prizeNotification);
                SoundNotificationIfNeeds();
            }

            prizingInProcess = false;
        }

        public static void SetPrizingError(bool error)
        {
            PlayerPrefs.SetInt(PrefsKeyVault.PRIZING_ERROR_REGISTRED, error ? 1 : 0);
            OnErrorStateChanged?.Invoke(error);
        }

        private void IncreasePrizeCounters(CountablePrizeType Type)
        {
            string prizeCounterKey = Type switch
            {
                CountablePrizeType.Marbles => PrefsKeyVault.MARBLES_GIVEN_COUNTER,
                CountablePrizeType.Hopper => PrefsKeyVault.HOPPER_GIVEN_COUNTER,
                CountablePrizeType.Hopper2 => PrefsKeyVault.HOPPER_GIVEN_COUNTER,
                CountablePrizeType.Ticket => PrefsKeyVault.TICKET_GIVEN_COUNTER,
                _ => "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(PrefsKeyVault.HOPPER_GIVEN_COUNTER + "Nullable", 0);
            PlayerPrefs.SetInt(PrefsKeyVault.MARBLES_GIVEN_COUNTER + "Nullable", 0);
            PlayerPrefs.SetInt(PrefsKeyVault.TICKET_GIVEN_COUNTER + "Nullable", 0);
            PlayerPrefs.SetInt(PrefsKeyVault.SPECIAL_GIVEN_COUNTER + "Nullable", 0);
        }

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

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

        public static Sprite GetPrizeIcon(PrizeType prizeType)
        {
            foreach (var mapItem in I.iconsMap)
                if (mapItem.prizeType == prizeType) return mapItem.sprite;
            return I.defaultIcon;
        }
    }
}


[Serializable]
public struct PrizeImageMap
{
    public PrizeType prizeType;
    public Sprite sprite;
}