// author: simon-pierre boucher <contact@spboucher.ai>
import { readFileSync } from "node:fs";
import { fileURLToPath } from "node:url";
import { dirname, resolve } from "node:path";
import { describe, expect, it } from "vitest";
import { extract } from "./pipeline.js";

const here = dirname(fileURLToPath(import.meta.url));
const fixture = (name: string): string =>
  readFileSync(resolve(here, "../../../test/fixtures/html", name), "utf8");

describe("fixture: shopify-product", () => {
  const html = fixture("shopify-product.html");
  const r = extract(html, { url: "https://gardenco.example/products/trellis-frame", onlyMainContent: false });
  if (!r.ok) throw new Error("extraction failed");
  const d = r.value;

  it("harvests the Product JSON-LD without a model", () => {
    const product = d.structured.jsonld.find(
      (n): n is Record<string, unknown> => typeof n === "object" && n !== null && (n as Record<string, unknown>)["@type"] === "Product",
    );
    expect(product?.["sku"]).toBe("TRL-2026");
    const offers = product?.["offers"] as Record<string, unknown> | undefined;
    expect(offers?.["price"]).toBe("49.00");
  });

  it("prefers canonical and OpenGraph metadata", () => {
    expect(d.metadata.canonical).toBe("https://gardenco.example/products/trellis-frame");
    expect(d.metadata.title).toBe("Trellis Climbing Frame");
    expect(d.metadata.siteName).toBe("GardenCo");
  });

  it("renders the spec table as a GFM table", () => {
    expect(d.markdown).toContain("| Spec | Value |");
    expect(d.markdown).toContain("| Material | Powder-coated steel |");
  });

  it("resolves lazy data-src images to absolute URLs", () => {
    expect(d.html).toContain("https://gardenco.example/img/trellis-800.jpg");
  });

  it("absolutizes and classifies links", () => {
    const reviews = d.links.find((l) => l.url.includes("/reviews"));
    expect(reviews?.url).toBe("https://gardenco.example/products/trellis-frame/reviews");
    expect(reviews?.isInternal).toBe(true);
  });
});