using System.Collections.Generic;
using ShiroginSDK.Runtime.Modules.Data.Scripts;
using ShiroginSDK.Runtime.Modules.Data.Scripts.Enums;
using ShiroginSDK.Runtime.Modules.Events;
using ShiroginSDK.Runtime.Modules.IAP.Enums;
using ShiroginSDK.Runtime.Modules.IAP.Scripts.Definitions;
using ShiroginSDK.Runtime.Services.Base;
using ShiroginSDK.Runtime.Services.Interfaces;
using UnityEngine;

#if SHIROGIN_IAP
using UnityEngine.Purchasing;
#endif

namespace ShiroginSDK.Runtime.Modules.IAP.Scripts.SO
{
#if SHIROGIN_IAP
    [CreateAssetMenu(fileName = "StoreItem", menuName = "ShiroginSDK/IAP/Store Item", order = 1)]
    public class StoreItem : ScriptableObject
    {
        [Header("🧾 Product Info")]
        public string productId;

        public ProductType productType = ProductType.Consumable;
        public StoreCategory category = StoreCategory.UnknownPacks;
        public StoreItemLayoutType layoutType = StoreItemLayoutType.Default;

        [Header("📋 Display Info")]
        public string displayName;

        [TextArea] public string description;
        public Sprite icon;

        [Header("💰 Purchase Settings")]
        public bool useCurrency;

        public CurrencyType currencyType = CurrencyType.Gems;
        public int price;
        public bool canBeRewardedAd;

        [Header("🎁 Reward Settings")]
        public List<RewardDefinition> rewards = new();

        public float adCooldownSeconds = 60f;

        public bool IsIAP => !useCurrency && !canBeRewardedAd;
        public bool IsCurrencyPurchase => useCurrency && price > 0;
        public bool IsRewardedAd => canBeRewardedAd;

        public void GiveReward(string source = "store")
        {
            foreach (var reward in rewards)
            {
                if (reward == null) continue;
                reward.Give();
            }

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();
            economy?.AddPurchase();

            var eventService = ServiceLocator.Get<IEventService>();
            eventService?.Invoke(new ShiroginEvents.Rewards.RewardGivenEvent(this));

            Debug.Log($"[StoreItem] Rewards granted for '{productId}' via {source}");
        }

        public void GiveRandomReward(int rewardCount = 3, string source = "store")
        {
            if (rewards == null || rewards.Count == 0)
            {
                Debug.LogWarning("[StoreItem] No rewards available.");
                return;
            }

            rewardCount = Mathf.Clamp(rewardCount, 1, rewards.Count);

            var randomRewards = new List<RewardDefinition>();
            var availableRewards = new List<RewardDefinition>(rewards);

            for (var i = 0; i < rewardCount; i++)
            {
                if (availableRewards.Count == 0) break;

                var randomIndex = Random.Range(0, availableRewards.Count);
                var selected = availableRewards[randomIndex];

                if (selected != null)
                {
                    selected.Give();
                    randomRewards.Add(selected);
                }

                availableRewards.RemoveAt(randomIndex);
            }

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();
            economy?.AddPurchase();

            var eventService = ServiceLocator.Get<IEventService>();
            eventService?.Invoke(new ShiroginEvents.Rewards.RewardGivenEvent(this));
            eventService?.Invoke(new ShiroginEvents.Shop.Shop_UIStoreItem_Rewarded(randomRewards));

            Debug.Log($"[StoreItem] {rewardCount} random rewards granted for '{productId}' via {source}");
            foreach (var randomReward in randomRewards)
                Debug.Log($"[ehm] Given random reward: {randomReward.rewardType}");
        }

        public List<RewardDefinition> GetRewards()
        {
            return rewards;
        }

        public string GetDisplayPrice()
        {
            if (IsIAP)
                return "REAL MONEY";
            if (IsCurrencyPurchase)
                return $"{price} {currencyType.ToString().ToUpper()}";
            if (IsRewardedAd)
                return "WATCH AD";
            return "FREE";
        }

        public bool TryPurchaseWithCurrency()
        {
            if (!IsCurrencyPurchase) return false;

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();

            if (economy == null)
            {
                Debug.LogError("[StoreItem] EconomyData not available.");
                return false;
            }

            if (!economy.HasEnough(currencyType, price))
            {
                Debug.LogWarning($"[StoreItem] Not enough {currencyType} to buy '{displayName}'.");
                return false;
            }

            economy.SpendCurrency(currencyType, price);
            GiveReward("currency");
            return true;
        }
    }
#else
    [CreateAssetMenu(fileName = "StoreItem", menuName = "ShiroginSDK/IAP/Store Item", order = 1)]
    public class StoreItem : ScriptableObject
    {
        [Header("🧾 Product Info")]
        public string productId;

        public DummyProductType productType = DummyProductType.Consumable;
        public StoreCategory category = StoreCategory.UnknownPacks;
        public StoreItemLayoutType layoutType = StoreItemLayoutType.Default;

        [Header("📋 Display Info")]
        public string displayName;

        [TextArea] public string description;
        public Sprite icon;

        [Header("💰 Purchase Settings")]
        public bool useCurrency;

        public CurrencyType currencyType = CurrencyType.Gems;
        public int price;
        public bool canBeRewardedAd;

        [Header("🎁 Reward Settings")]
        public List<RewardDefinition> rewards = new();

        public float adCooldownSeconds = 60f;

        public bool IsIAP => !useCurrency && !canBeRewardedAd;
        public bool IsCurrencyPurchase => useCurrency && price > 0;
        public bool IsRewardedAd => canBeRewardedAd;

        public void GiveReward(string source = "store")
        {
            foreach (var reward in rewards)
            {
                if (reward == null) continue;
                reward.Give();
            }

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();
            economy?.AddPurchase();

            var eventService = ServiceLocator.Get<IEventService>();
            eventService?.Invoke(new ShiroginEvents.Rewards.RewardGivenEvent(this));

            Debug.Log($"[StoreItem] Rewards granted for '{productId}' via {source}");
        }

        public void GiveRandomReward(int rewardCount = 3, string source = "store")
        {
            if (rewards == null || rewards.Count == 0)
            {
                Debug.LogWarning("[StoreItem] No rewards available.");
                return;
            }

            rewardCount = Mathf.Clamp(rewardCount, 1, rewards.Count);

            var randomRewards = new List<RewardDefinition>();
            var availableRewards = new List<RewardDefinition>(rewards);

            for (var i = 0; i < rewardCount; i++)
            {
                if (availableRewards.Count == 0) break;

                var randomIndex = Random.Range(0, availableRewards.Count);
                var selected = availableRewards[randomIndex];

                if (selected != null)
                {
                    selected.Give();
                    randomRewards.Add(selected);
                }

                availableRewards.RemoveAt(randomIndex);
            }

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();
            economy?.AddPurchase();

            var eventService = ServiceLocator.Get<IEventService>();
            eventService?.Invoke(new ShiroginEvents.Rewards.RewardGivenEvent(this));
            eventService?.Invoke(new ShiroginEvents.Shop.Shop_UIStoreItem_Rewarded(randomRewards));

            Debug.Log($"[StoreItem] {rewardCount} random rewards granted for '{productId}' via {source}");
            foreach (var randomReward in randomRewards)
                Debug.Log($"[ehm] Given random reward: {randomReward.rewardType}");
        }

        public List<RewardDefinition> GetRewards()
        {
            return rewards;
        }

        public string GetDisplayPrice()
        {
            if (IsIAP)
                return "REAL MONEY";
            if (IsCurrencyPurchase)
                return $"{price} {currencyType.ToString().ToUpper()}";
            if (IsRewardedAd)
                return "WATCH AD";
            return "FREE";
        }

        public bool TryPurchaseWithCurrency()
        {
            if (!IsCurrencyPurchase) return false;

            var dataService = ServiceLocator.Get<IDataService>();
            var economy = dataService?.Get<EconomyData>();

            if (economy == null)
            {
                Debug.LogError("[StoreItem] EconomyData not available.");
                return false;
            }

            if (!economy.HasEnough(currencyType, price))
            {
                Debug.LogWarning($"[StoreItem] Not enough {currencyType} to buy '{displayName}'.");
                return false;
            }

            economy.SpendCurrency(currencyType, price);
            GiveReward("currency");
            return true;
        }
    }
#endif
}