import {
  displayName,
  escapeSearchHtml,
  formatSearchPrice,
  loadSearchCatalog,
  searchCatalogProducts,
} from "/js/search-catalog.js?v=persianCopyRtl2";
import { initCardShadePickers } from "/js/buy.js?v=priceSort2";
import { refreshProductFilters } from "/js/filters.js?v=priceSort2";
import { loveYourEyesPillHtml } from "/js/love-your-eyes.js?v=lyeOff";

function shadeDots(p) {
  const variants = p.colorVariants;
  if (!variants || variants.length < 2) return "";
  const shown = variants.slice(0, 5);
  const extra = variants.length - shown.length;
  return `<div class="shade-dots" role="listbox" aria-label="رنگ">${shown
    .map((v) => {
      const active = v.slug === p.slug ? " is-active" : "";
      const bg = v.heroImage
        ? `background-image:url('${escapeSearchHtml(v.heroImage)}')`
        : "";
      const href = `/products/${escapeSearchHtml(v.slug)}/`;
      return `<button
        type="button"
        class="shade-dot${active}"
        style="${bg}"
        title="${escapeSearchHtml(v.shade)}"
        aria-label="${escapeSearchHtml(v.shade)}"
        aria-selected="${active ? "true" : "false"}"
        data-card-shade
        data-slug="${escapeSearchHtml(v.slug)}"
        data-image="${escapeSearchHtml(v.heroImage || "")}"
        data-price="${v.price}"
        data-compare="${v.compareAtPrice ?? ""}"
        data-href="${href}"
      ></button>`;
    })
    .join("")}${
    extra > 0
      ? `<span class="shade-dot-more">+${extra.toLocaleString("fa-IR")} عدد</span>`
      : ""
  }</div>`;
}

function cardIsInStock(p) {
  const variants = p.colorVariants;
  if (variants && variants.length > 1) {
    return variants.some((v) => Number(v.stock) > 0);
  }
  return Number(p.stock) > 0;
}

function stockBadge(p) {
  if (cardIsInStock(p)) return "";
  return `<span class="stock-badge stock-badge--oos">نا موجود</span>`;
}

function filterAttrs(p) {
  const updated = p.updatedAt ? new Date(p.updatedAt).getTime() : 0;
  const discount =
    p.compareAtPrice && p.compareAtPrice > p.price
      ? Math.round((1 - p.price / p.compareAtPrice) * 100)
      : 0;
  const prices = [Number(p.price) || 0];
  for (const v of p.colorVariants || []) {
    const n = Number(v.price);
    if (Number.isFinite(n)) prices.push(n);
  }
  const min = Math.min(...prices);
  const max = Math.max(...prices);
  return [
    `data-category="${escapeSearchHtml(p.category || "")}"`,
    `data-category-fa="${escapeSearchHtml(p.categoryFa || "")}"`,
    `data-price="${p.price}"`,
    `data-price-min="${min}"`,
    `data-price-max="${max}"`,
    `data-name="${escapeSearchHtml(p.name)}"`,
    `data-updated="${Number.isFinite(updated) ? updated : 0}"`,
    `data-rating="${p.ratingAvg || 0}"`,
    `data-reviews="${p.reviewCount || 0}"`,
    `data-featured="${p.featured ? 1 : 0}"`,
    `data-in-stock="${cardIsInStock(p) ? 1 : 0}"`,
    `data-discount="${discount}"`,
  ].join(" ");
}

function productCardHtml(p) {
  const title = displayName(p);
  const href = `/products/${escapeSearchHtml(p.slug)}/`;
  const discount =
    p.compareAtPrice && p.compareAtPrice > p.price
      ? Math.round((1 - p.price / p.compareAtPrice) * 100)
      : 0;
  const badge =
    discount >= 1 ? `<span class="offer-badge">−${discount}%</span>` : "";
  const priceHtml =
    discount >= 1
      ? `<p class="price price--offer" data-card-price>
          <span class="price-now">${formatSearchPrice(p.price)}</span>
          <span class="price-was">${formatSearchPrice(p.compareAtPrice)}</span>
        </p>`
      : `<p class="price" data-card-price>${formatSearchPrice(p.price)}</p>`;
  return `<article class="product-card${discount >= 1 ? " product-card--offer" : ""}" data-product-card ${filterAttrs(p)}>
    <a class="thumb" href="${href}" data-card-link>
      ${badge}
      ${stockBadge(p)}
      ${
        p.heroImage
          ? `<img src="${escapeSearchHtml(p.heroImage)}" alt="${escapeSearchHtml(title)}" loading="lazy" data-card-image />`
          : ""
      }
    </a>
    <div class="meta">
      ${loveYourEyesPillHtml(p.slug)}
      <p class="name"><a href="${href}" data-card-link>${escapeSearchHtml(title)}</a></p>
      ${shadeDots(p)}
      <div class="card-action-row">
        ${priceHtml}
        <button type="button" class="card-add-btn" data-add-to-cart data-product-id="${escapeSearchHtml(p.id)}" data-slug="${escapeSearchHtml(p.slug)}" data-name="${escapeSearchHtml(title)}" data-price="${p.price}" data-image="${escapeSearchHtml(p.heroImage || "")}" data-category="${escapeSearchHtml(p.category || "")}" data-category-fa="${escapeSearchHtml(p.categoryFa || "")}" aria-label="افزودن به سبد خرید">
          <svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M6 2 3 6v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6l-3-4z"/><line x1="3" y1="6" x2="21" y2="6"/><path d="M16 10a4 4 0 0 1-8 0"/></svg>
        </button>
      </div>
    </div>
  </article>`;
}

const params = new URLSearchParams(location.search);
const q = (params.get("q") || "").trim();

const titleEl = document.querySelector("[data-search-title]");
const resultsEl = document.querySelector("[data-search-results]");
const emptyEl = document.querySelector("[data-search-empty]");
const countEl = document.querySelector("[data-listing-count]");
const resultPill = document.querySelector("[data-filters-result-count]");

if (titleEl && q) titleEl.textContent = `نتایج برای «${q}»`;

try {
  const products = await loadSearchCatalog();
  const hits = searchCatalogProducts(products, q);

  if (!resultsEl) {
    /* no-op */
  } else if (!hits.length) {
    if (emptyEl) emptyEl.hidden = false;
    resultsEl.innerHTML = "";
    if (countEl) countEl.textContent = "۰";
    if (resultPill) resultPill.textContent = "۰";
  } else {
    if (emptyEl) emptyEl.hidden = true;

    resultsEl.innerHTML = hits.map(productCardHtml).join("");
    const n = hits.length.toLocaleString("fa-IR");
    if (countEl) countEl.textContent = n;
    if (resultPill) resultPill.textContent = n;

    initCardShadePickers();
    refreshProductFilters();
  }
} catch {
  if (emptyEl) {
    emptyEl.hidden = false;
    emptyEl.querySelector("p") &&
      (emptyEl.querySelector("p").textContent = "بارگذاری نتایج ممکن نشد.");
  }
}