#!/usr/local/monitoring/bin/python

import calendar, time, sys
sys.path.insert (1, '/usr/local/monitoring/princeton/lib')
from puselenium import init_selenium

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.common import exceptions as EXCEP
from random import sample

if len (sys.argv) != 4:
	print "Usage: %s <URL> <username> <password>" % sys.argv[0]
	sys.exit (3)

url = sys.argv[1]
usr = sys.argv[2]
usrpass = sys.argv[3]

#ff, fp = init_selenium (['mon202w'])
ff, fp = init_selenium()

try:
	#ff.implicitly_wait (10)

	try:
		ff.get (url)
		WebDriverWait (ff, 10).until (EC.title_contains("Central Authentication Service - CAS"))

		WebDriverWait (ff, 10).until (EC.presence_of_element_located((By.NAME, "submit")))

		uid = ff.find_element_by_id ("username")
		uid.send_keys (usr)

		pupass = ff.find_element_by_id ("password")
		pupass.send_keys (usrpass)

		submt = ff.find_element_by_name ("submit")
		submt.click()
	except:
		print "Error retrieving the initial login page"
		sys.exit (2)


#	try:
#		WebDriverWait (ff, 10).until (EC.presence_of_element_located((By.XPATH, "//a[text()='log out']")))
#
#		logout1 = ff.find_element_by_xpath ("//a[text()='log out']")
#		logout1.click()
#	except:
#		print "Error logging in, or retrieving the page post login"
#		sys.exit (2)

	try:
		WebDriverWait (ff, 10).until (EC.title_contains("ShibbolethTest"))
	except:
		print "Error getting to Shibboleth Test Page"
		sys.exit (1)

	time.sleep(1)

except EXCEP.ErrorInResponseException, (resp, msg):
	
	print "ERROR: An error occured communicating with the browser server: Response: %s; Message: %s" % (resp, msg)
	sys.exit (1)

except EXCEP.NoSuchElementException, msg:

	print "ERROR: Unable to locate webpage element. Probably the page loaded incompletely or incorrectly: %s" % msg
	sys.exit (1)

except EXCEP.TimeoutException, msg:

	print "ERROR: Request timed out. Network??? Response: %s" % msg
	sys.exit (1)

except EXCEP.WebDriverException, msg:

	print "ERROR: I don't know what happened. Read this - %s" % msg
	sys.exit (1)

finally:
	ff.quit()

#print "Successfully logged on to CAS and logged off"
print "Successfully found eduPersonPrincipalName"

sys.exit (0)