import { describe, expect, it } from "vitest";
import { makeItems, prefsFor, PAGE_SIZE_IDS, renderFixture, type FixtureSpec } from "./harness";
import { checkRendered } from "./harness.check";
import { TEMPLATES } from "./registry";

// Its own file so vitest runs the long item-count sweeps in parallel with the fixture matrix.
describe("template harness: item-count sweep", () => {
  for (const template of Object.values(TEMPLATES)) {
    for (const size of PAGE_SIZE_IDS) {
      it(`${template.id}: 1..45 items on ${size}`, async () => {
        const prefs = prefsFor(size, { templateId: template.id });
        for (let count = 1; count <= 45; count++) {
          const spec: FixtureSpec = { name: `sweep-${count}`, items: makeItems(count, true), invoice: { notes: count % 3 === 0 ? "Payment due within 30 days.\nThank you." : "" }, signature: count % 2 === 0 };
          const r = await renderFixture(spec, prefs);
          checkRendered(r, `${template.id}/items=${count}/${size} (${r.result.pages} pages)`);
        }
      });
    }
  }
});