import assert from 'node:assert/strict';
import { createStrict, localPreview } from './qa-strict-harness.mjs';
import { serveFixtures, newFixture } from './qa-street-level.mjs';
import { KV_LINE, KV_SEQUENCE_ID } from './fixtures/street-level/kartaView.mjs';
import {
  PNX_PARK,
  PNX_SEQUENCES,
  panoramaxPictures,
} from './fixtures/street-level/panoramax.mjs';
const panorama = process.argv.includes('--panoramax');
const provider = panorama ? 'panoramax' : 'kartaview';
const base = localPreview(process.argv[2]);
base.search = '?engine=navara&welcome=0';
const at = panorama
  ? PNX_PARK
  : { lat: 38.5831, lon: KV_LINE.lon, height: 850 };
base.hash = `v=2&lat=${at.lat}&lon=${at.lon}&alt=${at.height}&heading=0&pitch=-90&roll=0&map=sentinel2&l=`;
// serveFixtures (qa-street-level.mjs) answers these provider hosts.
const strict = createStrict({
  origin: base.origin,
  layers: ['street-level'],
  fixtures: [
    '*://*.mapillary.com/*',
    'https://api.kartaview.org/*',
    'https://cdn.kartaview.org/*',
    '*://*.openstreetcam.org/*',
    'https://api.panoramax.xyz/*',
    'https://panoramax.openstreetmap.fr/*',
  ],
});
await strict.run(
  { args: ['--use-angle=metal', '--enable-gpu'] },
  async (browser) => {
    const p = await browser.newPage();
    await p.setViewport({ width: 1280, height: 900 });
    const errors = [],
      fixture = newFixture({ configured: true });
    p.on('pageerror', (e) => {
      errors.push(e.message);
      console.error(e.message.split('?')[0]);
    });
    p.on('console', (m) => {
      if (/shader|registerMeshPicker/i.test(m.text()) && m.type() === 'error')
        errors.push(m.text());
    });
    await serveFixtures(p, fixture);
    let photoRequests = 0;
    p.on('request', (req) => {
      if (
        /\.jpg(?:$|\?)/i.test(new URL(req.url()).pathname) &&
        /openstreetcam|kartaview|panoramax/.test(new URL(req.url()).hostname)
      )
        photoRequests++;
    });
    await p.goto(base.href);
    const ready = async (k) => {
      await p.waitForFunction(
        (kind) =>
          window.__godsEyeView?.engine?.kind === kind &&
          !document.querySelector('#globe-engine')?.disabled &&
          !document.querySelector('.engine-switch-frame') &&
          document.querySelector('#loading-screen.hidden'),
        { timeout: 90000 },
        k,
      );
      await p.evaluate(
        () => window.__godsEyeView.styleManager.initialRestorePromise,
      );
    };
    await ready('navara');
    await p.evaluate(async (provider) => {
      const { dataManager, tileset } = window.__godsEyeView;
      if (tileset || window.__GOOGLE_MAPS_API_KEY__)
        throw Error('Expected keyless preview');
      window.qaStreet = dataManager.layers.get('street-level').module;
      await dataManager.setEnabled('street-level', true, { origin: 'user' });
      window.qaStreet.setProviderEnabled(provider, true);
    }, provider);
    const until = async (fn) => {
      try {
        await p.waitForFunction(fn, { timeout: 20000 });
      } catch (e) {
        console.log(await p.evaluate(() => window.qaStreet.getUIState()));
        throw e;
      }
    };
    await until(() => window.qaStreet.getUIState().coverage.count > 0);
    // The fixture drive passes under the middle of the canvas. Click its actual picked line.
    const pickLine = async () => {
      const xy = await p.evaluate(
        (prefix) => {
          const { engine } = window.__godsEyeView,
            canvas = engine.host.canvas,
            rect = canvas.getBoundingClientRect();
          for (let dy = -30; dy <= 30; dy += 3)
            for (let dx = -40; dx <= 40; dx++) {
              const at = { x: rect.width / 2 + dx, y: rect.height / 2 + dy },
                pick = engine.picker.pick(at),
                id = pick?.id?.id ?? pick?.id;
              if (typeof id === 'string' && id.startsWith(prefix))
                return { x: at.x + rect.x, y: at.y + rect.y, id };
            }
          return null;
        },
        panorama ? 'pnx:seq:' : 'kv:line:',
      );
      assert.ok(xy, 'native ground line was pickable');
      console.log('pick', xy);
      await p.mouse.click(xy.x, xy.y);
      await until(
        () =>
          window.qaStreet.getUIState().street.open &&
          window.qaStreet.getUIState().sequence.images > 0 &&
          (document.querySelector('#sl-viewer img')?.naturalWidth > 0 ||
            document.querySelector('#sl-viewer canvas:not([hidden])')?.width >
              0),
      );
      await strict.passed(
        p,
        'street-level',
        'a click on the coverage line opens its sequence and photo',
        xy,
      );
      return xy;
    };
    const xy = await pickLine();
    if (panorama) {
      const expected = panoramaxPictures().filter(
        (p) => p.sequenceId === xy.id.slice('pnx:seq:'.length),
      ).length;
      await p.waitForFunction(
        (n) => window.qaStreet.getUIState().sequence.images === n,
        { timeout: 20000 },
        expected,
      );
    }
    const first = await p.evaluate(() => {
      window.streetPhoto =
        document.querySelector('#sl-viewer canvas:not([hidden])') ??
        document.querySelector('#sl-viewer img');
      return window.qaStreet.getUIState();
    });
    assert.ok(
      (panorama ? PNX_SEQUENCES : [KV_SEQUENCE_ID]).includes(
        first.street.sequenceId,
      ),
    );
    const reads = photoRequests;
    for (const kind of ['cesium', 'navara']) {
      await strict.pick(p, kind);
      await ready(kind);
      // The new globe reloads coverage right after it attaches: compare once
      // that load is over.
      await until(
        () =>
          !window.qaStreet.getUIState().coverage.loading &&
          window.qaStreet.getUIState().coverage.count > 0,
      );
      const state = await p.evaluate(() => ({
        model:
          window.__godsEyeView.dataManager.layers.get('street-level').module ===
          window.qaStreet,
        samePhoto:
          document.querySelector('#sl-viewer')?.contains(window.streetPhoto) &&
          window.streetPhoto.isConnected,
        ui: window.qaStreet.getUIState(),
      }));
      console.log(
        kind,
        state.model,
        state.samePhoto,
        state.ui.street.imageId,
        state.ui.sequence.images,
        state.ui.coverage.count,
      );
      assert.equal(state.model, true);
      assert.equal(state.samePhoto, true);
      assert.ok(state.ui.street.open);
      assert.equal(state.ui.street.imageId, first.street.imageId);
      assert.equal(state.ui.sequence.images, first.sequence.images);
      assert.deepEqual(state.ui.filter, first.filter);
      assert.ok(state.ui.coverage.count > 0);
      await strict.passed(
        p,
        'street-level',
        'same model, the same mounted photo, image and sequence; coverage kept',
      );
    }
    assert.equal(photoRequests, reads);
    await strict.passed(
      p,
      'street-level',
      'no photo requested again by the switches',
    );
    // Click-picking on Cesium: close the viewer, switch, click the line again.
    await p.evaluate(() => window.qaStreet.closeViewer());
    await until(() => !window.qaStreet.getUIState().street.open);
    await strict.pick(p, 'cesium');
    await ready('cesium');
    await until(
      () =>
        !window.qaStreet.getUIState().coverage.loading &&
        window.qaStreet.getUIState().coverage.count > 0,
    );
    await new Promise((resolve) => setTimeout(resolve, 1000));
    await pickLine();
    assert.deepEqual(errors, []);
    assert.deepEqual(fixture.unknown, []);
    console.log(
      'PASS native line pick, same mounted photo and sequence across two switches',
    );
  },
);