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

const root = path.resolve(import.meta.dirname, "../../..");
const effects = path.join(root, "blender-5.2.0/tests/files/sequence_editing/effects");
const mask = fs.readFileSync(path.join(effects, "mask.png"));

test("probe save_as_mainfile sets filepath so pack_all resolves", 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(path.join(effects, "fx_comp.blend")));
  const out = await page.evaluate(async (maskBase64) => {
    const worker = (window as any).__nativeWorkflowEngine as Worker;
    const send = (command: any) => new Promise<any>((resolve, reject) => {
      const requestId = `sv-${crypto.randomUUID()}`;
      const receive = (event: MessageEvent) => {
        if (event.data?.requestId !== requestId || event.data?.kind !== 'result') return;
        worker.removeEventListener('message', receive);
        if (event.data.ok) resolve(event.data.result); else reject(new Error(`${event.data.error?.code ?? 'NATIVE'}: ${event.data.error?.message ?? JSON.stringify(event.data.error)}`));
      };
      worker.addEventListener('message', receive); worker.postMessage({ requestId, command });
    });
    const log: any = {};
    try {
      const r = await send({ type: 'jsonCommand', cmd: 'pythonExec', params: {
        filename: 'SavePath.py', console: false,
        source: [
          "import bpy, os, base64",
          "root = '/browser/pack-case'",
          "os.makedirs(root, exist_ok=True)",
          "open(root + '/mask.png', 'wb').write(base64.b64decode('" + maskBase64 + "'))",
          "print('BEFORE_FP', repr(bpy.data.filepath))",
          "print('SAVE', bpy.ops.wm.save_as_mainfile(filepath=root + '/fx_comp.blend', copy=True, check_existing=False))",
          "print('FP_AFTER_COPY', repr(bpy.data.filepath))",
          "print('SAVE2', bpy.ops.wm.save_as_mainfile(filepath=root + '/fx_comp.blend', copy=False, check_existing=False))",
          "print('FP_AFTER_SAVE', repr(bpy.data.filepath))",
          "print('ABS', bpy.path.abspath('//mask.png'), os.path.exists(bpy.path.abspath('//mask.png')))",
          "print('PACK', bpy.ops.file.pack_all())",
          "print('AFTER', [(i.name, i.packed_file is not None) for i in bpy.data.images])",
        ].join("\n"),
      } });
      log.state = r.json?.state;
      log.output = String(r.json?.output ?? '').slice(0, 2500);
      log.revision = r.snapshot?.revision;
    } catch (e: any) { log.error = String(e?.message ?? e); }
    return log;
  }, mask.toString("base64"));
  fs.writeFileSync("/tmp/pack-save-probe.json", JSON.stringify(out, null, 2));
});