using Microsoft.AspNetCore.Mvc;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Avatar;
using RadicadeServer.RecNet.Enums.Players;
using RadicadeServer.RecNet.Store;
using RadicadeServer.RecNet.Storefront;

namespace RadicadeServer.API.Storefront.V3;

[Route("api/storefronts/v3")]
[Route("econ/api/storefronts/v3")]
public class StorefrontsV3(RecDBContext db) : Controller
{
    [HttpGet("giftdropstore/{type}")]
    public async Task<IActionResult> GetGiftDropStore(StorefrontTypes type)
    {
        var items = await StorefrontShared.GetStoreItems(db, (long)type);
        items = ProjectStoreItemsForClient(
            items,
            User.FindFirst("rn.plat")?.Value,
            AvatarUnlockCatalog.IsClientResolvableDescription);
        Console.WriteLine($"[Storefront v3] GET giftdropstore {type} ({(long)type}): returning {items.Count} item(s).");

        return Ok(new GiftDropStorefront
        {
            StorefrontType = type,
            NextUpdate = DateTime.MaxValue,
            NewUntil = null,
            StoreItems = items
        });
    }

    public static List<PurchasableGiftDrop> ProjectStoreItemsForClient(
        IEnumerable<PurchasableGiftDrop> items,
        string? platformClaim,
        Func<string?, bool> canResolveAvatarItem)
    {
        ArgumentNullException.ThrowIfNull(items);
        ArgumentNullException.ThrowIfNull(canResolveAvatarItem);

        if (!string.Equals(platformClaim, ((int)Platforms.Standalone).ToString(), StringComparison.Ordinal))
            return items.ToList();

        var projected = new List<PurchasableGiftDrop>();
        foreach (var item in items)
        {
            var projectedGifts = new List<Gift>();
            var changed = false;

            foreach (var gift in item.GiftDrops)
            {
                if (string.IsNullOrWhiteSpace(gift.AvatarItemDesc) || canResolveAvatarItem(gift.AvatarItemDesc))
                {
                    projectedGifts.Add(gift);
                    continue;
                }

                changed = true;
                if (HasNonAvatarReward(gift))
                {
                    var giftCopy = gift.Clone();
                    giftCopy.AvatarItemDesc = string.Empty;
                    projectedGifts.Add(giftCopy);
                }
            }

            if (!changed)
            {
                projected.Add(item);
                continue;
            }



            if (projectedGifts.Count == 0) continue;

            projected.Add(new PurchasableGiftDrop
            {
                PurchasableItemId = item.PurchasableItemId,
                Type = item.Type,
                Prices = item.Prices.ToList(),
                SubscriberPrices = item.SubscriberPrices.ToList(),
                IsFeatured = item.IsFeatured,
                EndDate = item.EndDate,
                NewUntil = item.NewUntil,
                GiftDrops = projectedGifts
            });
        }

        return projected;
    }

    private static bool HasNonAvatarReward(Gift gift) =>
        !string.IsNullOrWhiteSpace(gift.ConsumableItemDesc)
        || !string.IsNullOrWhiteSpace(gift.EquipmentPrefabName)
        || gift.Currency > 0
        || gift.Xp > 0;
}