import fs from "node:fs";
import path from "node:path";
import { test, expect } from "@playwright/test";
import { NativeUIWorkflow, observeNative } from "../fixtures/native-ui-workflow";

const root = path.resolve(import.meta.dirname, "../../..");

test("compare SceneIR and bytes across repeated pythonReset", async ({ page }, testInfo) => {
  test.setTimeout(240_000);
  await observeNative(page);
  await page.goto("/");
  await page.getByTestId("blend-file-input").setInputFiles(path.join(root, "blender-5.2.0/tests/files/sequence_editing/effects/fx_comp.blend"));
  await expect.poll(async () => page.locator("main.blender-app").evaluate((n) => (n as HTMLElement).dataset.projectId), { timeout: 60000 }).toBe("fx_comp");
  await expect(page.getByTestId("engine-status")).toContainText("SceneIR", { timeout: 60000 });
  const out = await page.evaluate(async () => {
    const worker = (window as any).__nativeWorkflowEngine as Worker;
    const send = (command: any) => new Promise<any>((resolve, reject) => {
      const requestId = `sem-${crypto.randomUUID()}`;
      const receive = (event: MessageEvent) => {
        if (event.data?.requestId !== requestId || event.data?.kind !== 'result') return;
        worker.removeEventListener('message', receive);
        if (event.data.ok) resolve(event.data.result); else reject(new Error(`${event.data.error?.code}: ${event.data.error?.message}`));
      };
      worker.addEventListener('message', receive); worker.postMessage({ requestId, command });
    });
    const digestBytes = (buf: ArrayBuffer) => crypto.subtle.digest('SHA-256', buf).then((h) => Array.from(new Uint8Array(h), (b) => b.toString(16).padStart(2, '0')).join('').slice(0, 16));
    const digestJson = (value: unknown) => crypto.subtle.digest('SHA-256', new TextEncoder().encode(JSON.stringify(value))).then((h) => Array.from(new Uint8Array(h), (b) => b.toString(16).padStart(2, '0')).join('').slice(0, 16));
    const snapshotDigest = async () => {
      const s = (await send({ type: 'snapshot' })).snapshot;
      const { revision, ...rest } = s as Record<string, unknown>;
      return { revision, digest: await digestJson(rest) };
    };
    const log: any = {};
    log.snapA = await snapshotDigest();
    log.bytesA = await digestBytes((await send({ type: 'saveBlend' })).blend as ArrayBuffer);
    await send({ type: 'jsonCommand', cmd: 'pythonReset', params: {} });
    log.snapB = await snapshotDigest();
    log.bytesB = await digestBytes((await send({ type: 'saveBlend' })).blend as ArrayBuffer);
    await send({ type: 'jsonCommand', cmd: 'pythonReset', params: {} });
    log.snapC = await snapshotDigest();
    log.bytesC = await digestBytes((await send({ type: 'saveBlend' })).blend as ArrayBuffer);
    await send({ type: 'jsonCommand', cmd: 'pythonReset', params: {} });
    log.bytesD = await digestBytes((await send({ type: 'saveBlend' })).blend as ArrayBuffer);
    return log;
  });
  fs.writeFileSync("/tmp/reset-semantic.json", JSON.stringify(out, null, 2));
});