from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from PIL import Image
from io import BytesIO
from time import sleep


# Chrome options
chrome_options = Options()
chrome_options.add_argument('--headless')
chrome_options.add_argument('--window-size=960x900')

# Define browser driver
driver = os.environ['CHROME_DRIVER']
browser = webdriver.Chrome(executable_path=driver,
                           chrome_options=chrome_options)

# Screenshot
def get_screenshot():
    # Go to url, move to right element on page and save screenshot
    browser.get('https://www.formula1.com/')
    sleep(5)
    element = browser.find_element_by_css_selector('.race.step-1.step-2.step-3')
    browser.execute_script('arguments[0].scrollIntoView()', element)
    browser.execute_script('window.scrollBy(0, -80)') #  Scroll a bit up
    sleep(3) #  Wait a bit for page to load

    # Take screenshot and quit
    png = browser.get_screenshot_as_png()
    browser.quit()

    # Store cropped screenshot as BytesIO output
    im = Image.open(BytesIO(png))
    im = im.crop((260, 70, 690, 560))
    output = BytesIO()
    im.save(output, 'PNG')
    output.seek(0)

    return output