import assert from "node:assert/strict";
import test from "node:test";

import {
  LOCAL_BUSINESS_DATA_HOST,
  buildLocalBusinessSearchUrl,
  getLocalBusinessSearchSpec,
  normalizeLocalBusinessSearchResponse,
} from "../lib/lead-discovery-local-business";

test("Local Business Data search URL uses RapidAPI host-compatible query params", () => {
  const url = new URL(
    buildLocalBusinessSearchUrl({
      query: "Anwalt in 10115 Deutschland",
      limit: 9999,
    }),
  );

  assert.equal(url.origin, `https://${LOCAL_BUSINESS_DATA_HOST}`);
  assert.equal(url.pathname, "/search");
  assert.equal(url.searchParams.get("query"), "Anwalt in 10115 Deutschland");
  assert.equal(url.searchParams.get("limit"), "500");
  assert.equal(url.searchParams.get("language"), "de");
  assert.equal(url.searchParams.get("region"), "de");
  assert.equal(url.searchParams.get("extract_emails_and_contacts"), "true");
});

test("Local Business Data campaign spec builds the SaaS lead-discovery query from niche and PLZ", () => {
  const spec = getLocalBusinessSearchSpec({
    categoryMode: "custom",
    category: "Anderes",
    customSearchTerm: "Webdesigner fuer Restaurants",
    postalCode: "79098",
    maxNewLeads: 8,
  });

  assert.equal(spec.query, "Webdesigner fuer Restaurants in 79098 Deutschland");
  assert.equal(spec.limit, 8);
  assert.match(spec.url, /extract_emails_and_contacts=true/);
});

test("Local Business Data response normalizes direct business emails into lead candidates", () => {
  const candidates = normalizeLocalBusinessSearchResponse(
    {
      status: "OK",
      request_id: "req-123",
      data: [
        {
          business_id: "biz-1",
          place_id: "place-1",
          name: "Kanzlei Beispiel",
          full_address: "Musterstrasse 1, 10115 Berlin",
          website: "https://www.beispiel-kanzlei.de/kontakt",
          phone_number: "+49 30 123456",
          rating: 4.7,
          review_count: 31,
          business_status: "OPERATIONAL",
          types: ["lawyer"],
          google_maps_url: "https://maps.google.com/?cid=biz-1",
          emails: ["Herr.Bewerber@beispiel-kanzlei.de", "Info@Beispiel-Kanzlei.de"],
        },
      ],
    },
    1717480000000,
  );

  assert.equal(candidates.length, 1);
  assert.equal(candidates[0]?.sourceProvider, "local_business_data");
  assert.equal(candidates[0]?.sourceBusinessId, "biz-1");
  assert.equal(candidates[0]?.placeId, "place-1");
  assert.equal(candidates[0]?.businessName, "Kanzlei Beispiel");
  assert.equal(candidates[0]?.websiteDomain, "beispiel-kanzlei.de");
  assert.equal(candidates[0]?.contactEmails?.length, 2);
  assert.equal(candidates[0]?.contactEmails?.[1]?.email, "info@beispiel-kanzlei.de");
  assert.equal(candidates[0]?.contactEmails?.[1]?.emailSource, "local_business_data");
});

test("Local Business Data response reads extracted emails from emails_and_contacts", () => {
  const candidates = normalizeLocalBusinessSearchResponse(
    {
      status: "OK",
      request_id: "req-nested-email",
      data: [
        {
          business_id: "biz-nested",
          name: "PORZIG Immobilien GmbH",
          full_address: "Silberstrasse 18, 08451 Crimmitschau",
          website: "https://porzig.info",
          phone_number: "+49 3762 759775",
          emails_and_contacts: {
            emails: [
              "info@porzig.info",
              "Info@Porzig.Info",
              "makler@porzig.info",
            ],
          },
        },
      ],
    },
    1717480000003,
  );

  assert.equal(candidates.length, 1);
  assert.equal(candidates[0]?.contactEmails?.length, 2);
  assert.equal(candidates[0]?.email, "info@porzig.info");
  assert.equal(candidates[0]?.emailSource, "local_business_data");
  assert.deepEqual(
    candidates[0]?.contactEmails?.map((entry) => entry.email),
    ["info@porzig.info", "makler@porzig.info"],
  );
});

test("Local Business Data response accepts object-wrapped business arrays", () => {
  const candidates = normalizeLocalBusinessSearchResponse(
    {
      status: "OK",
      request_id: "req-456",
      data: {
        businesses: [
          {
            business_id: "biz-2",
            name: "Malerbetrieb Beispiel",
            address: "Hauptstrasse 2, 79098 Freiburg",
            site: "https://maler.example",
            phone: "+49 761 123",
            email: "kontakt@maler.example",
          },
        ],
      },
    },
    1717480000001,
  );

  assert.equal(candidates.length, 1);
  assert.equal(candidates[0]?.placeId, "biz-2");
  assert.equal(candidates[0]?.email, "kontakt@maler.example");
});

test("Local Business Data response throws provider error messages", () => {
  assert.throws(
    () =>
      normalizeLocalBusinessSearchResponse(
        {
          status: "ERROR",
          request_id: "req-error",
          error: { message: "Missing query", code: 400 },
        },
        1717480000002,
      ),
    /Local Business Data API error 400: Missing query/,
  );
});