"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { Check, Coins, Sparkles } from "lucide-react";
import { useI18n } from "@/components/I18nProvider";
import { PlayerAvatar } from "@/components/PixelArt";
import { api } from "@/lib/client-api";
import type {
  CosmeticShopState,
  ProfileCosmeticId,
} from "@/shared/profile-cosmetics";

export function CosmeticsShop({
  accountId,
  avatarPath,
  initialShop,
}: {
  accountId: string;
  avatarPath?: string | null;
  initialShop: CosmeticShopState;
}) {
  const { t, formatNumber } = useI18n();
  const router = useRouter();
  const [shop, setShop] = useState(initialShop);
  const [busy, setBusy] = useState<string | null>(null);
  const [error, setError] = useState("");
  const [message, setMessage] = useState("");

  async function change(action: "purchase" | "equip", cosmeticId: ProfileCosmeticId | null) {
    const requestId = cosmeticId ?? "none";
    setBusy(requestId);
    setError("");
    setMessage("");
    try {
      const result = await api<{ shop: CosmeticShopState }>("cosmetics", {
        action,
        cosmeticId,
      });
      setShop(result.shop);
      setMessage(
        action === "purchase"
          ? "Cosmetic purchased and equipped."
          : cosmeticId
            ? "Cosmetic equipped."
            : "Profile effect removed.",
      );
      router.refresh();
    } catch (reason) {
      setError((reason as Error).message);
    } finally {
      setBusy(null);
    }
  }

  return (
    <div className="cosmetics-shop">
      <div className="cosmetics-shop-heading">
        <div>
          <span className="eyebrow">{t("THE EXPLORER’S WARDROBE")}</span>
          <h1>{t("Leave a little sparkle.")}</h1>
          <p className="lead">
            {t("Earn GeoCoins in solo expeditions and dress up your profile portrait.")}
          </p>
        </div>
        <div className="cosmetics-wallet" aria-label={t("GeoCoins balance")}>
          <Coins size={20} aria-hidden="true" />
          <span>
            <small>{t("YOUR BALANCE")}</small>
            <strong>{formatNumber(shop.balance)} {t("GeoCoins")}</strong>
          </span>
        </div>
      </div>

      <p className="cosmetics-earning-note">
        <Sparkles size={17} aria-hidden="true" />
        {t("Complete a public solo game to earn 10–20 GeoCoins. Rewards are capped at 100 every 24 hours.")}
      </p>

      {error && <p className="error-message" role="alert">{t(error)}</p>}
      {message && <p className="success-message" role="status">{t(message)}</p>}

      <div className="cosmetics-grid">
        {shop.catalog.map((cosmetic) => {
          const owned = shop.owned.includes(cosmetic.id);
          const equipped = shop.equipped === cosmetic.id;
          const itemBusy = busy === cosmetic.id;
          return (
            <article
              className="cosmetic-card"
              data-rarity={cosmetic.rarity}
              key={cosmetic.id}
            >
              <div className="cosmetic-card-top">
                <span className="cosmetic-rarity">{t(cosmetic.rarity)}</span>
                {equipped && (
                  <span className="cosmetic-equipped">
                    <Check size={13} aria-hidden="true" /> {t("Equipped")}
                  </span>
                )}
              </div>
              <div className="cosmetic-preview">
                <PlayerAvatar
                  id={accountId}
                  avatarPath={avatarPath}
                  effect={cosmetic.id}
                  className="cosmetic-preview-avatar"
                />
              </div>
              <h2>{t(cosmetic.name)}</h2>
              <p>{t(cosmetic.description)}</p>
              <div className="cosmetic-card-action">
                {owned ? (
                  <button
                    className={equipped ? "button" : "button primary"}
                    type="button"
                    onClick={() =>
                      change("equip", equipped ? null : cosmetic.id)
                    }
                    disabled={busy !== null}
                  >
                    {itemBusy
                      ? t("Saving…")
                      : equipped
                        ? t("Unequip effect")
                        : t("Equip effect")}
                  </button>
                ) : (
                  <button
                    className="button primary"
                    type="button"
                    onClick={() => change("purchase", cosmetic.id)}
                    disabled={busy !== null || shop.balance < cosmetic.price}
                  >
                    {itemBusy
                      ? t("Buying…")
                      : t("Buy · {price} GeoCoins", {
                          price: formatNumber(cosmetic.price),
                        })}
                  </button>
                )}
              </div>
            </article>
          );
        })}
      </div>
      <p className="cosmetics-real-money-note">
        {t("Cosmetics use GeoCoins for now. Payment options may be added later.")}
      </p>
    </div>
  );
}