#!/usr/bin/python
# -*- coding: utf-8 -*-  
import os, random, sys, time, json, getopt, threading

sys.path.append('../../stm32_prs/stm32_prs/branches/epu_tester')
import extdevices
import checklogfile

reload(sys)  
sys.setdefaultencoding('utf8')

login = "admin"
password = "12345"


def print_test_list():
    print "\t\t1 - ON/OFF test\r\n\
        \t2 - RAM buffer test\r\n\
        \t3 - Log file download test"


def usage():
    print "Usage: test_log.py -t <test number> <ip>\r\n\
        --help, -h \t\tprint usage info\r\n\
        --test, -t \t\ttest number to run"
    print_test_list()


def ping(hostname):
    response = os.system("ping -q -c1 -W1 " + hostname  + ">> /dev/null")
    if response == 0:
        return True
    else:
        return False

        
def do_login():
	os.system("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt -d \"login=%s&password=%s\" http://%s/login.cgi > /dev/null" % (login, password, ip))


def do_logout():
	os.system("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt http://%s/logout.cgi > /dev/null" %ip)


def do_reset_sett():
	os.system("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt  \"http://%s/reset.cgi\" > /dev/null" %ip)


def log_get_page(page):
	return os.popen("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/history.cgi?page=%s&_=%s\" --compressed | jq -r -j '.page'" % (ip, page, random.randint(0, 0xFFFF))).read()


def log_get_string(page, string):
	return os.popen("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/history.cgi?page=%s&_=%s\" --compressed | jq -r -j '.page[%s]'" % (ip, page, random.randint(0, 0xFFFF), string)).read().decode('utf-8')


def log_get_ramstrnum():
	page = log_get_pagesnum()
	return os.popen("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/history.cgi?page=%s&_=%s\" --compressed | jq -r -j '.page | length'" % (ip, page, random.randint(0, 0xFFFF))).read()


def log_get_pagesnum():
	return os.popen("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/history.cgi?page=1&_=%s\" --compressed | jq -r -j '.pages'" % (ip, random.randint(0, 0xFFFF))).read()


def log_download(path):
        print "Downloading log file..."
	if 0 == os.system("curl -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/history.cgi?page=all&_=%s\" --output %s --progress" % (ip, random.randint(0, 0xFFFF), path)):
            return True
        else:
            return False



def log_add_message():
	do_logout()
	do_login()
	time.sleep(1)


def reboot(method):
	if method == "snmp":
		os.system("snmpset -v1 -t0.1 -r0 -c public %s .1.3.6.1.4.1.41752.5.17.2.9.1.0 i 1 > /dev/null" %ip)
	if method == "web":
		os.system("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt http://%s/reboot.cgi" %ip)
	else:
		print "Unknown method"	


def stop_spam_task():
        res = os.popen("curl -s -b /tmp/cookies.txt -c /tmp/cookies.txt \"http://%s/led.cgi?state=%s&_=%s\" --compressed" % (ip, "off", random.randint(0, 0xFFFF))).read()
        if res == "OFF":
            print "Spam stoped"
            return True
        else:
            print "Error"
            return False	
	

def rambuf_test():
	passed = False;
	results = [0]*10
        
        if not ping(ip):
            print "Host not found"
            return False

	do_login()

	while len(filter(lambda x: x > 0, results)) < 10:
		while True:
			last_msg = log_get_string(1, 0) 
			ram_num = int(log_get_ramstrnum())
			if ram_num == 10:
				ram_num = 0;
			
			if results[ram_num] > 0:
				log_add_message()
			else:
				break
	
		print "\r\nLast message: ", last_msg
		print "Messages in RAM: %s" %ram_num

		reboot("web")
		time.sleep(10)
		do_login()

		for i in range(1, 10):
			page = log_get_page(i)
			print "\r\nPage " + str(i) + "\r\n" + page

			parsed_page = json.loads(page)
			
			if last_msg in parsed_page:
				str_num = parsed_page.index(last_msg) + 1
				print "\r\nLast message found as %s-th message (page %s, string %s)" %(str_num + (i - 1) * 10 , i, str_num) 
				results[ram_num] += 1
				break
	   	    
                        if "Перезагрузка" in parsed_page:
                                print "Error: Last message not found"
                                return False 

                print "\r\nResults:", results		

	return True


def on_off_test():
        num = 0 #External device addr
	device = extdevices.io_device(num)
        msg = ''
        timestamp = ''
        res = False
        
        device.set_outputs(0x02)
        time.sleep(8)
        if not ping(ip):
            print "Host not found"
            return False
   
	while True:
	    try:	
                device.set_outputs(0x00)
		print "OFF"
		time.sleep(0.2)
		
                device.set_outputs(0x02)
		print "ON"
		time.sleep(4)

           
                time.sleep(random.randint(1, 4))		
	    except KeyboardInterrupt:
		sys.exit(0)
            except ValueError:
                print "JSON parse error."
                stop_spam_task()
                return False
	    except:
		print "Retry"

        stop_spam_task()        
        return res


def download_test_ram(start_num, add_num):
        print "RAM:", start_num, "+", add_num
        
        PATH = "/tmp/testlog_ram"+str(start_num)+"_"+str(add_num)+".csv"
        
        do_login()

        while True:
            last_msg = log_get_string(1, 0) 
            ram_num = int(log_get_ramstrnum())
            if ram_num == 10:
                ram_num = 0;
            if ram_num == start_num:
                break
            else:
               log_add_message()
        
        thr = threading.Thread(target=log_download, args=(PATH,), kwargs={})
        thr.start()
        time.sleep(1)
        for i in range(add_num):
            log_add_message()
        thr.join()

        print "Last message:", last_msg     
 
        fsize = os.path.getsize(PATH)
        print "File size: ", fsize
        if fsize != 120*30000 + 3 + 120*start_num:
            print "Error. File size missmatch"
            return False
        
        res = checklogfile.check(PATH)
        if not res:
                return False

        lines = checklogfile.parse(PATH)

        res = False
        for i in range(len(lines)):
                s = lines[i]
                if last_msg in s:
                        res = True
                        break
        if not res:
                print "Error. Last message not found"
                return False
        else:
                print "Last message found"

        do_logout()
        return True


def download_test():
    	passed = False;
	results = [0]*10

        if not ping(ip):
            print "Host not found"
            return False
 
	do_login()

        #Проверка добавления записи в лог во время загрузки файла (строка попала в RAM и вызвала запись страницы) 
        if not download_test_ram(8, 5):
            return False
    
        #Проверка добавления записи в лог во время загрузки файла (строка попала в RAM, без записи страницы) 
        if not download_test_ram(1, 2):
            return False
       
         
        #Проверка загрузки лога при количестве строк в RAM 0-9
	do_login()
        while len(filter(lambda x: x > 0, results)) < 10:
		while True:
			last_msg = log_get_string(1, 0) 
			ram_num = int(log_get_ramstrnum())
			if ram_num == 10:
				ram_num = 0;
			
			if results[ram_num] > 0:
				log_add_message()
			else:
				break
	
		print "\r\nLast message: ", last_msg
		print "Messages in RAM: %s" %ram_num

                PATH = "/tmp/testlog_" + str(ram_num) + ".csv"
                
                thr = threading.Thread(target=log_download, args=(PATH,), kwargs={})
                thr.start()
                thr.join()

                #log_download(PATH)
                fsize = os.path.getsize(PATH)
                print "File size: ", fsize
                res = checklogfile.check(PATH)
                if res:
                        results[ram_num] += 1
                else:
                        return False

                lines = checklogfile.parse(PATH)
               
                res = False 
                for i in range(len(lines)):
                        s = lines[i]
                        if last_msg in s:
                                res = True
                                break

                if not res:
                        print "Error. Last message not found"
                        return False
                else:
                        print "Last message found"
                    
                print "\r\nResults:", results		

        return True



test_list = [0, on_off_test, rambuf_test, download_test]


def main():
    testnum = 0
    global ip

    try:
        opts, args = getopt.getopt(sys.argv[1:], "ht:", \
                ["help", "test="])
    except getopt.GetoptError:
        usage()
        sys.exit(2)
    
    for opt, arg in opts:
        if opt in ("-h", "--help"):
                usage()
                sys.exit()
        if opt in ("-t", "--test"):
                testnum = int(arg) 

    if testnum == 0 or len(sys.argv) < 3:
        usage()
        sys.exit(2)
    
    ip = sys.argv[-1]
    
    #Run test by number 
    if not test_list[testnum]():
        print "\r\nFailed\r\n"
    else: 
        print "\r\nPassed\r\n"


if __name__ == "__main__":
    main()