HokmPlay/src/components/screens/ShopScreen.tsx

"use client";

import { Check, Coins } from "lucide-react";
import { useEffect, useState } from "react";
import { ScreenHeader, ScreenShell } from "@/components/online/ScreenHeader";
import { Sticker } from "@/components/online/Sticker";
import { useSessionStore } from "@/lib/session-store";
import { useI18n } from "@/lib/i18n";
import { getService } from "@/lib/online/service";
import { sound } from "@/lib/sound";
import { ShopItem } from "@/lib/online/types";
import { cn } from "@/lib/cn";

export function ShopScreen() {
  const { t, locale } = useI18n();
  const profile = useSessionStore((s) => s.profile);
  const setProfile = useSessionStore((s) => s.setProfile);
  const [items, setItems] = useState<ShopItem[]>([]);
  const [msg, setMsg] = useState("");

  useEffect(() => {
    getService().getShopItems().then(setItems);
  }, []);

  if (!profile) return null;

  const owns = (item: ShopItem) => {
    switch (item.kind) {
      case "avatar":
        return profile.ownedAvatars.includes(item.id);
      case "cardfront":
        return profile.ownedCardFronts.includes(item.id);
      case "cardback":
        return profile.ownedCardBacks.includes(item.id);
      case "reactionpack":
        return profile.ownedReactionPacks.includes(item.id);
      case "xp":
        return false; // consumable — always buyable
      default:
        return profile.ownedStickerPacks.includes(item.id);
    }
  };

  const buy = async (item: ShopItem) => {
    const res = await getService().buyItem(item.id);
    if (res.ok && res.profile) {
      setProfile(res.profile);
      sound.play("purchase");
    } else {
      setMsg(locale === "fa" ? res.messageFa : res.messageEn);
      setTimeout(() => setMsg(""), 1800);
    }
  };

  const avatars = items.filter((i) => i.kind === "avatar");
  const cardfronts = items.filter((i) => i.kind === "cardfront");
  const cardbacks = items.filter((i) => i.kind === "cardback");
  const reactions = items.filter((i) => i.kind === "reactionpack");
  const stickers = items.filter((i) => i.kind === "stickerpack");
  const xp = items.filter((i) => i.kind === "xp");

  return (
    <ScreenShell>
      <ScreenHeader
        title={t("shop.title")}
        right={
          <span className="glass rounded-full px-3 py-1.5 text-xs font-bold text-gold-300 flex items-center gap-1">
            <Coins className="size-3.5 text-gold-400" />
            {profile.coins.toLocaleString()}
          </span>
        }
      />

      {msg && (
        <div className="mb-3 text-center text-rose-300 text-sm glass rounded-xl py-2">{msg}</div>
      )}

      <Section title={t("shop.avatars")}>
        <div className="grid grid-cols-3 gap-3">
          {avatars.map((item) => (
            <ItemCard key={item.id} item={item} owned={owns(item)} onBuy={() => buy(item)} preview={<span className="text-4xl">{item.preview}</span>} />
          ))}
        </div>
      </Section>

      <Section title={t("shop.cardfronts")}>
        <div className="grid grid-cols-3 gap-3">
          {cardfronts.map((item) => (
            <ItemCard
              key={item.id}
              item={item}
              owned={owns(item)}
              onBuy={() => buy(item)}
              preview={
                <span
                  className="w-8 h-11 rounded-md border flex items-center justify-center text-slate-900"
                  style={{ background: `linear-gradient(160deg, #ffffff, ${item.preview})`, borderColor: "rgba(0,0,0,0.18)" }}
                >
                  ♠
                </span>
              }
            />
          ))}
        </div>
      </Section>

      <Section title={t("shop.cardbacks")}>
        <div className="grid grid-cols-3 gap-3">
          {cardbacks.map((item) => (
            <ItemCard
              key={item.id}
              item={item}
              owned={owns(item)}
              onBuy={() => buy(item)}
              preview={
                <span
                  className="w-8 h-11 rounded-md border"
                  style={{
                    borderColor: `${item.preview}80`,
                    background: `repeating-linear-gradient(45deg, ${item.preview}55 0 4px, transparent 4px 8px), #0a142e`,
                  }}
                />
              }
            />
          ))}
        </div>
      </Section>

      <Section title={t("shop.reactions")}>
        <div className="grid grid-cols-3 gap-3">
          {reactions.map((item) => (
            <ItemCard
              key={item.id}
              item={item}
              owned={owns(item)}
              onBuy={() => buy(item)}
              preview={<span className="text-4xl">{item.preview}</span>}
            />
          ))}
        </div>
      </Section>

      <Section title={t("shop.stickers")}>
        <div className="grid grid-cols-3 gap-3">
          {stickers.map((item) => (
            <ItemCard
              key={item.id}
              item={item}
              owned={owns(item)}
              onBuy={() => buy(item)}
              preview={<Sticker id={item.preview} size={48} />}
            />
          ))}
        </div>
      </Section>

      <Section title={t("shop.xp")}>
        <p className="text-[11px] text-cream/45 -mt-2 mb-3">{t("shop.xpHint")}</p>
        <div className="grid grid-cols-3 gap-3">
          {xp.map((item) => (
            <ItemCard
              key={item.id}
              item={item}
              owned={false}
              onBuy={() => buy(item)}
              preview={<span className="text-4xl">⚡</span>}
            />
          ))}
        </div>
      </Section>
    </ScreenShell>
  );
}

function Section({ title, children }: { title: string; children: React.ReactNode }) {
  return (
    <div className="mb-5">
      <h3 className="text-sm font-bold text-cream/80 mb-3">{title}</h3>
      {children}
    </div>
  );
}

function ItemCard({
  item,
  owned,
  onBuy,
  preview,
}: {
  item: ShopItem;
  owned: boolean;
  onBuy: () => void;
  preview: React.ReactNode;
}) {
  const { t } = useI18n();
  return (
    <div className="glass rounded-2xl p-3 flex flex-col items-center gap-2">
      <div className="h-12 flex items-center justify-center">{preview}</div>
      <button
        disabled={owned}
        onClick={onBuy}
        className={cn(
          "w-full rounded-lg py-1.5 text-xs font-bold flex items-center justify-center gap-1",
          owned ? "bg-navy-900/60 text-teal-300" : "btn-gold"
        )}
      >
        {owned ? (
          <>
            <Check className="size-3.5" />
            {t("shop.owned")}
          </>
        ) : (
          <>
            <Coins className="size-3.5" />
            {item.price.toLocaleString()}
          </>
        )}
      </button>
    </div>
  );
}