from fbchat import Client, log
from getpass import getpass
from datetime import datetime
import time

username = str(raw_input("Username: "))
password = getpass()

client = Client(username, password)


def do_rest(thread):
	data = str(thread).split(" ")
	if len(data) == 4:
		flag = 1000
		num = 0
		timestamp = int(19800 + time.time())*1000
		while( flag > 999):
			messages = client.fetchThreadMessages(thread_id=id, limit=1000, before=timestamp)
			timestamp = messages[len(messages)-1].timestamp
			flag = len(messages)
			num += flag
			print num, " messages had been downloaded from today till - ",datetime.utcfromtimestamp(float(timestamp)/1000).strftime('%d-%m-%Y')
		file.close()

	if len(data) == 3:
		id = data[2].split('(')[1].split(')')[0]
		flag = 1000
		num = 0
		timestamp = int(19800 + time.time())*1000
		while( flag > 999):
			messages = client.fetchThreadMessages(thread_id=id, limit=1000, before=timestamp)
			timestamp = messages[len(messages)-1].timestamp
			flag = len(messages)
			num += flag
			print num, " messages had been downloaded from today till - ",datetime.utcfromtimestamp(float(timestamp)/1000).strftime('%d-%m-%Y')
		file.close()

username = str(raw_input("want to download messages from a specific friend type(y/n): "))

if username.lower() == 'y':
	names = str(raw_input("Name of that friends separated by a comma like - satyendra pandey, Narendra pandey--: "))
	names = names.split(',')
	for name in names:
		thread = client.searchForThreads(name)[0]
		do_rest(thread)
	if zipping.lower() == 'y':
		make_zip()

else:
	num = int(raw_input("Number of friends from top of your chatlist:"))
	if num < 20:
		threads = client.fetchThreadList(limit = num)

	else:
		threads = client.fetchThreadList(limit = 20)
		num = (num-20)/20

		for i in range(num):
			offset = 20*(i+1)
			threads += client.fetchThreadList(offset = offset, limit= 20)

	for thread in threads:
		do_rest(thread)
	if zipping.lower() == 'y':
		make_zip()