#!/usr/bin/env python3
# Thomas Kuschel, following with more ....
# changes to python-seleniumbase 4.25/4.27.5-1 python-selenium 4.21.0-1 (installed)
# changes:
#   #001 The Tab URL at phpmyadmin has changed from server_export to server/export
#   #002 The the visibility of the site is critically, so we have to put in the line option.add_argument('window-size=1200x600')

import argparse
#import datetime
import os
import time
#import re
import sys

#import grab
# yay extra/python-pip
# pip install selenium
# ! pip install webdriver-manager
# yay geckodriver (for Firefox browser)

import selenium

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.service import Service

__version__ = '2.0.1'

def call_website(url,username,password,server,verbose=0,interactive=False):
	# using Chrome to access web
	# driver = webdriver.Firefox(executable_path=r'/usr/bin/geckodriver')

	if(interactive):
		print('Interactive')
		driver = webdriver.Chrome()
	else:	# do a headless script base work (default)
		print('Headless Script')
		service = Service(executable_path='/usr/bin/chromedriver')
		option = webdriver.ChromeOptions()
		option.add_argument('headless')
		option.add_argument('window-size=1200x600')
		driver = webdriver.Chrome(options=option, service=service)
	
	driver.get(url)
	assert "phpMyAdmin" in driver.title

	print('Driver-Title: ' + driver.title)
	elem = driver.find_element(By.ID, "input_username")
	elem.clear()
	elem.send_keys(username)
	elem = driver.find_element(By.ID, "input_password")
	elem.clear()
	elem.send_keys(password)
	elem = driver.find_element(By.ID, "select_server")
	from selenium.webdriver.support.ui import Select
	select = Select(driver.find_element(By.ID, 'select_server'))
	select.select_by_visible_text(server)
	driver.find_element(By.ID, "input_go").click()
	time.sleep(1)
	#driver.find_element(By.LINK_TEXT, "Export").click()
	#driver.find_element_by_xpath('//a[contains(@href,"server_export")]').click()
	#print(driver.page_source.encode("utf-8"))
	element = driver.find_element(By.XPATH,'//a[contains(@href,"server/export")]')
	print("Element is visible? " + str(element.is_displayed()))
	element.click()
	time.sleep(5)
	driver.find_element(By.ID, "buttonGo").click()
	time.sleep(1)
	print(driver.current_window_handle)
	
	#w = driver.window_handles[1]
	#driver.switch_to.window(child)
	#driver.fullscreen_window()
	try:
		# WebDriverWait(browser, 3).until(EC.alert_is_present(),
		#  'Timed out waiting for PA creation ' +
		#  'confirmation popup to appear.')
		alert = driver.switch_to.alert
		alert.accept()
		print("alert accepted")
	except:
		print("no alert")

	time.sleep(20)
	driver.close()

if __name__ == '__main__':
	parser = argparse.ArgumentParser(
		description='Automates the download of the amateur radio callsign list from Austria',
		epilog='''
		Written by Thomas Kuschel,
		Version {}
		'''.format(__version__))

	parser.add_argument('--interactive', '-i', action='store_true', default=False)
	parser.add_argument('--verbose', '-v', action='count', default=0)
	parser.add_argument('--version', action='version', version='{} {}'.format(os.path.split(__file__)[1],__version__))
	# parser.parse_args(['--version'])
	parser.add_argument('url', metavar='URL', help='phpMyAdmin login page URL')
	parser.add_argument('--username', '-u', default='', help='phpMyAdmin login username', required=False)
	parser.add_argument('--password', '-p', default='', help='phpMyAdmin login password', required=False)
	parser.add_argument('--server', '-s', default='kreios', required=False)

	args = parser.parse_args()

	try:
		print(f'Try calling {args.url}')  
		filename = call_website(**vars(args))
		sys.exit(0)
	except Exception as e:
		print('Error: {}'.format(e), file=sys.stderr)
		sys.exit(1)

	print('Verbose level: {}'.format(args.verbose))