"""An isolated Firefox title screen and three seconds of a new pixel world."""
import json
from pathlib import Path
import sys

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / 'tools'))
from use_venv import ensure_playwright
ensure_playwright()
from browser import capabilities, consume_gpu_option, installed, launch

consume_gpu_option()
if not installed('firefox'):
    print('SKIP firefox_smoke.py: Playwright Firefox is not installed')
    sys.exit(0)

with launch(browser_name='firefox') as (_, page, url):
    errors = []
    page.on('pageerror', lambda e: errors.append(str(e)))
    page.add_init_script("localStorage.setItem('deepgrain.settings', JSON.stringify({look:'pixel', sv:2}));")
    page.goto(url)
    caps = capabilities(page)
    print('Firefox: ' + json.dumps(caps))
    assert caps['isolated']
    if not caps['webgpu']:
        assert page.locator('#cap-notice').is_visible()
        text = page.inner_text('#cap-notice')
        assert 'about:config' in text and 'dom.webgpu.enabled' in text and 'Firefox Nightly' in text
    print('PASS Firefox isolation and capability notice')
    page.click('#btn-new')
    page.fill('#nw-seed', '424242')
    page.select_option('#nw-size', '2048x1024')
    page.click('#btn-generate')
    page.wait_for_function('GAME.running && !GAME.loading', timeout=60000)
    before = page.evaluate('tick')
    page.wait_for_timeout(3000)
    assert page.evaluate('tick') > before
    assert not errors, errors
    print('PASS Firefox new world runs for three seconds without page errors')