import { expect, test } from "@playwright/test";
import fs from "node:fs";
import path from "node:path";

const root = path.resolve(import.meta.dirname, "../../..");
const expected = JSON.parse(fs.readFileSync(path.join(root, "tests/golden/M10-14/physics-cache-family.json"), "utf8"));

test("M10-14 verifies every Physics family cache before playback", async ({ page }) => {
  await page.goto("/");
  const result = await page.evaluate(() => new Promise<Record<string, unknown>>((resolve, reject) => {
    const worker = new Worker("/src/workers/physics-cache-family-test.worker.ts", { type: "module" });
    worker.onmessage = (event: MessageEvent<Record<string, unknown>>) => { worker.terminate(); resolve(event.data); };
    worker.onerror = (event) => { worker.terminate(); reject(new Error(event.message)); };
    worker.postMessage({});
  })) as {
    verified: Array<{ family: string; source: string; bytes: number; frames: number }>;
    sourceMismatch: string;
    payloadMismatch: string;
    versionMismatch: string;
    budgetExceeded: string;
  };
  expect(result.verified.map((entry) => entry.family)).toEqual(expected.families);
  expect(result.verified.map((entry) => entry.source)).toEqual(expected.sources);
  expect(result.verified.every((entry) => entry.bytes === expected.byteLength)).toBe(true);
  expect(result.verified.every((entry) => entry.frames === expected.frameCount)).toBe(true);
  expect(result.sourceMismatch).toBe(expected.sourceMismatch);
  expect(result.payloadMismatch).toBe(expected.payloadMismatch);
  expect(result.versionMismatch).toBe(expected.versionMismatch);
  expect(result.budgetExceeded).toBe(expected.budgetExceeded);
});