import { expect, test } from '@playwright/test';
import { resolve } from 'node:path';
import { writeFile } from 'node:fs/promises';
import type {} from '../physics/runner';

test('完整 314244 面三轮：真实 WASM、随轴运动、ZIP 重导与有界资源', async ({ page }, info) => {
  const errors: string[] = [];
  page.on('pageerror', (error) => errors.push(error.message));
  await page.goto('/physics/runner.html');
  await page.waitForFunction(() => Boolean(window.lekiwiPhysics));
  await page.evaluate((path) => window.lekiwiPhysics.boot(path), `/@fs${resolve('build/lekiwi')}`);
  try {
    const before = await page.evaluate(() => window.lekiwiPhysics.visualStats());
    // The three original filenames contain identical bytes; one content-addressed
    // OBJ is shared by three independent visual instances.
    expect(before.generatedMeshes).toHaveLength(1);
    expect(before.wheels).toHaveLength(3);
    for (const wheel of before.wheels) {
      expect(wheel.faces).toBe(314244);
      expect(wheel.vertices).toBeGreaterThan(150000);
      expect(wheel.centerError).toBeLessThan(1e-6);
      expect(wheel.scale).toEqual([0.001, 0.001, 0.001]);
      expect(wheel.collision).toBe(false);
      expect(wheel.mass).toBe(0);
    }
    await page.evaluate(() => window.lekiwiPhysics.drive(0, 0.1, 0, 0.25));
    const after = await page.evaluate(() => window.lekiwiPhysics.visualStats());
    for (let i = 0; i < 3; i++) {
      expect(after.wheels[i].centerError).toBeLessThan(1e-6);
      expect(
        after.wheels[i].rotation.some((v, j) => Math.abs(v - before.wheels[i].rotation[j]) > 0.01),
      ).toBe(true);
    }
    const traces: Awaited<ReturnType<typeof window.lekiwiPhysics.packageRoundtrip>>[] = [];
    for (let i = 0; i < 8; i++) {
      const result = await page.evaluate(() => window.lekiwiPhysics.packageRoundtrip());
      expect(result.oldModelDeleted).toBe(true);
      expect(result.oldDataDeleted).toBe(true);
      expect(result.workspaces).toHaveLength(1);
      expect(result.generatedMeshes).toHaveLength(1);
      expect(result.wheels.every((wheel) => wheel.faces === 314244 && !wheel.collision)).toBe(true);
      traces.push(result);
    }
    console.log(
      'mesh resources',
      traces.map((t) => ({ heap: t.heap, bytes: t.projectBytes, xml: t.xmlFiles })),
    );
    await writeFile(
      info.outputPath('full-mesh-roundtrip.json'),
      JSON.stringify({ before, after, traces }, null, 2),
    );
    expect(traces.every((t) => t.projectBytes === traces[0].projectBytes)).toBe(true);
    expect(traces[7].heap).toBeLessThanOrEqual(traces[5].heap + 32 * 1024 * 1024);
    expect(errors).toEqual([]);
  } finally {
    await page.evaluate(() => window.lekiwiPhysics.dispose());
  }
});