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, "../../..");
const fixture = path.join(root, "blender-5.2.0/tests/files/sequence_editing/effects/fx_comp.blend");

test("probe external image load in browser session", async ({ page }, testInfo) => {
  test.setTimeout(180_000);
  await observeNative(page);
  await page.goto("/");
  const flow = new NativeUIWorkflow(page, testInfo.outputPath("cases"));
  await flow.command(() => page.getByTestId("blend-file-input").setInputFiles(fixture));
  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 = `img-${crypto.randomUUID()}`;
      const receive = (event: MessageEvent) => {
        if (event.data?.requestId !== requestId || event.data?.kind !== 'result') return;
        worker.removeEventListener('message', receive);
        if (event.data.ok) resolve(event.data.result); else reject(new Error(`${event.data.error?.code}: ${event.data.error?.message}`));
      };
      worker.addEventListener('message', receive); worker.postMessage({ requestId, command });
    });
    const source = [
      "import bpy, json",
      "rows = []",
      "for i in bpy.data.images:",
      "    entry = {'name': i.name, 'fp': i.filepath, 'src': i.source, 'size': list(i.size), 'has': i.has_data}",
      "    try:",
      "        i.reload()",
      "        entry['after_reload'] = {'size': list(i.size), 'has': i.has_data}",
      "    except Exception as e:",
      "        entry['reload_error'] = type(e).__name__ + ': ' + str(e)[:120]",
      "    rows.append(entry)",
      "print('IMAGES', json.dumps(rows))",
    ].join("\n");
    const r = await send({ type: 'jsonCommand', cmd: 'pythonExec', params: { source, filename: 'ImgProbe.py', console: false } });
    return { state: r.json?.state, output: String(r.json?.output ?? '').slice(0, 2000) };
  });
  fs.writeFileSync("/tmp/external-image-browser.json", JSON.stringify(out, null, 2));
});