#!/usr/bin/env python3

import argparse
import os
import sys
import time

__version__ = '1.0.0'
__website__ = 'https://www.fb.gv.at/Funk/amateurfunkdienst.html'

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service as ChromiumService

def call_description():
	print(f'Download and Parse the Austrian Callbook Version {__version__}')

def call_parser():
	parser = argparse.ArgumentParser(
		description='Download and Parse the Austrian Callbook',
		epilog=f'''
		Written by Thomas Kuschel,
		Version {__version__}
		'''
	)
	parser.add_argument('--interactive', '-i', action='store_true', default=False)
	# parser.add_argument('--server', '-s', default=__website__, required=False)
	parser.add_argument('--version', '-v', action='version', version='{} {}'.format(os.path.split(__file__)[1],__version__))
	parser.add_argument('url', metavar='URL', nargs='?', default=__website__)

	return parser.parse_args()

def call_website(url,interactive=False):
	if(interactive):
		print('Interactive')
		driver=webdriver.Chrome()
	else:
		print('Headless Script')
		options = webdriver.ChromeOptions()
		options.add_argument('--headless')
		options.add_argument('--no-sandbox')
		options.add_argument('--disable-dev-shm-usage')
		driver = webdriver.Chrome(options=options)

	driver.get(url)
	print(driver.title)
	elements = driver.find_elements(By.XPATH,'//a[contains(@href,"Rufzeichen")]')

	if elements:
		element = elements[0]
		filename = element.click()
	else:
		print('Sorry, no Link containing "Rufzeichen" found.')
		driver.close()
		sys.exit(2)

	print(element.text)
	print()
	time.sleep(5)

	driver.close()

if __name__ == '__main__':
	# call_description()
	args = call_parser()
	try:
		filename = call_website(**vars(args))
		sys.exit(0)
	except Exception as e:
		print('Error: {}'.format(e), file=sys.stderr)
		sys.exit(1)