import { useEffect, useMemo, useState } from "preact/hooks";
import "../../styles/offers/offers-table.css"; // 

const BUILDING_MAP = {
  jednorodzinny: 1,
  wielorodzinny: 2,
};

const CONTRACT_MAP = {
  "24m": 1,
  bezterminowa: 2,
};

export default function JamboxBasePackages({
  source = "PLUS",
  title,
  selected = {},
}) {
  const [packages, setPackages] = useState([]);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState("");

  // wyliczamy kody na podstawie tego samego selected, którego używasz w OffersCards
  const buildingCode = useMemo(() => {
    const val = selected?.budynek;
    return BUILDING_MAP[val] ?? 1; // domyślnie jednorodzinny
  }, [selected?.budynek]);

  const contractCode = useMemo(() => {
    const val = selected?.umowa;
    return CONTRACT_MAP[val] ?? 1; // domyślnie 24m
  }, [selected?.umowa]);

  useEffect(() => {
    let cancelled = false;

    async function load() {
      setLoading(true);
      setError("");

      try {
        const params = new URLSearchParams();

        if (source && source !== "ALL") {
          params.set("source", source);
        }
        if (buildingCode) {
          params.set("building", String(buildingCode));
        }
        if (contractCode) {
          params.set("contract", String(contractCode));
        }

        const query = params.toString();
        const url = `/api/jambox/base-packages${query ? `?${query}` : ""}`;

        const res = await fetch(url);

        if (!res.ok) {
          throw new Error(`HTTP ${res.status}`);
        }

        const json = await res.json();

        if (!cancelled) {
          setPackages(Array.isArray(json.data) ? json.data : []);
        }
      } catch (err) {
        console.error("Błąd pobierania pakietów JAMBOX:", err);
        if (!cancelled) {
          setError("Nie udało się załadować pakietów JAMBOX.");
        }
      } finally {
        if (!cancelled) {
          setLoading(false);
        }
      }
    }

    load();

    return () => {
      cancelled = true;
    };
  }, [source, buildingCode, contractCode]);

  const effectiveTitle =
    title ||
    (source === "PLUS"
      ? "Pakiety podstawowe JAMBOX PLUS"
      : source === "EVIO"
      ? "Pakiety podstawowe JAMBOX EVIO"
      : "Pakiety podstawowe JAMBOX");

  if (loading) {
    return (
      <section class="f-offers">
        <h2 class="f-offers-title">{effectiveTitle}</h2>
        <p>Ładowanie pakietów...</p>
      </section>
    );
  }

  if (error) {
    return (
      <section class="f-offers">
        <h2 class="f-offers-title">{effectiveTitle}</h2>
        <p class="text-red-600">{error}</p>
      </section>
    );
  }

  if (!packages.length) {
    return (
      <section class="f-offers">
        <h2 class="f-offers-title">{effectiveTitle}</h2>
        <p>Brak pakietów do wyświetlenia.</p>
      </section>
    );
  }

  return (
    <section class="f-offers">
      {effectiveTitle && <h2 class="f-offers-title">{effectiveTitle}</h2>}

      <div class={`f-offers-grid f-count-${packages.length}`}>
        {packages.map((pkg) => (
          <JamboxPackageCard key={`${pkg.source}-${pkg.tid}`} pkg={pkg} />
        ))}
      </div>
    </section>
  );
}

function JamboxPackageCard({ pkg }) {
  const updatedDate = pkg.updated_at
    ? new Date(pkg.updated_at).toLocaleDateString("pl-PL")
    : "-";

  const hasPrice = pkg.price_monthly != null;
  const hasInstall = pkg.price_installation != null;

  return (
    <div class="f-card">
      <div class="f-card-header">
        <div class="f-card-name">{pkg.name}</div>

        {/* TU zamiast JAMBOX PLUS/EVIO pokazujemy cenę */}
        <div class="f-card-price">
          {hasPrice
            ? `${pkg.price_monthly} zł/mies.`
            : pkg.source === "PLUS"
            ? "JAMBOX PLUS"
            : "JAMBOX EVIO"}
        </div>
      </div>

      <ul class="f-card-features">
        {/* ID / slug jako techniczne info */}
        <li class="f-card-row">
          <span class="f-card-label">ID pakietu</span>
          <span class="f-card-value">{pkg.tid}</span>
        </li>

        <li class="f-card-row">
          <span class="f-card-label">Slug</span>
          <span class="f-card-value">{pkg.slug || "—"}</span>
        </li>

        {/* nowa linia: cena instalacji z bazy */}
        <li class="f-card-row">
          <span class="f-card-label">Aktywacja</span>
          <span class="f-card-value">
            {hasInstall ? `${pkg.price_installation} zł` : "—"}
          </span>
        </li>

        {/* opcjonalnie informacja o źródle pakietu */}
        <li class="f-card-row">
          <span class="f-card-label">Platforma</span>
          <span class="f-card-value">
            {pkg.source === "PLUS" ? "JAMBOX PLUS" : "JAMBOX EVIO"}
          </span>
        </li>

        <li class="f-card-row">
          <span class="f-card-label">Ostatnia aktualizacja</span>
          <span class="f-card-value">{updatedDate}</span>
        </li>
      </ul>
    </div>
  );
}