import itertools
import argparse
import os
import glob
import sys

parser = argparse.ArgumentParser()
parser.add_argument("-uf", "--users-file", help="File with users and passwords", default="users.txt")
parser.add_argument("-cf", "--coords-file", help="Coordinate files. Allows wildcards", default="*coords.txt")
parser.add_argument("-st", "--steps", help="Steps per worker", default=5)
parser.add_argument("-sd", "--scan-delay", help="Scan delay on each worker", default=4)
parser.add_argument("-ld", "--login-delay", help="Delay between each login")
parser.add_argument("-t", "--threads", help="Number of threads per worker", default=1, type=int)
parser.add_argument("-od", "--output-dir", help="Directory where to store the Supervisord config files", default="/etc/supervisor/procs.d")
parser.add_argument("-pd", "--pokemap-dir", help="Pokemon Go Map directory where the binary is located", default="/opt/pogo-map/" )
parser.add_argument("-a", "--auth", help="Auth service", default="ptc")

coords = []
users = []

class User(object):
    pass

# Parse the args
args = parser.parse_args()

if not os.path.isdir( args.output_dir ):
	print "Invalid output directory. Does it exists?"
	sys.exit(1)

# Try to read the users file and store it on memory
try:
	users_file = open(args.users_file)
	for line in users_file:
		username, password = line.rstrip().split(" ")
		user = User()
		user.username = username
		user.password = password
		users.append(user)
except IOError as ioe:
	print "Error opening users file: " + ioe.filename + ": " + ioe.strerror
	sys.exit(1)

# Get all the coordinates files
listing = glob.glob( args.coords_file )

for coord_filename in listing:
	try:
		coord_file = open( coord_filename )
		for line in coord_file:
			coords.append(line.rstrip())
	except IOError as ioe:
		print "Error opening users file: " + ioe.filename + ": " + ioe.strerror
        	sys.exit(1)

print "Reading", len(users), "users and", len(coords), "locations and it's going to run", args.threads, "threads per location."
print "This means you need", len(coords) * int(args.threads), "user accounts.\n"

if len(coords) * int(args.threads) > len(users):
	print "You need to have more accounts or less threads/locations. Please fix this."
	sys.exit(1)

print "Generating..."

# Removing old files
os.system("rm -rf " + args.output_dir + "/*")

users.reverse() # Reverse the user list
worker_id = 0

for location in coords:
	worker_id = worker_id + 1
	command = "/usr/bin/python runserver.py" + " -a " + args.auth + " -l \"" + location + "\""
	for x in range( 0, args.threads ):
		user = users.pop()
		command+=" -u " + user.username + " -p " + user.password
	if args.steps:
		command+=" -st " + str(args.steps)
	if args.scan_delay:
		command+=" -sd " + str(args.scan_delay)
	if args.login_delay:
		command+=" -ld " + str(args.login_delay)

	command += " -ns"

	config = ("[program:PokeGoMapWorker" + str(worker_id) + "]\n"
		"command=" + command + "\n"
		"numprocs=1\n"
		"directory=" + args.pokemap_dir + "\n"
		"startsec=15\n"
		"startretries=3\n"
		"autorestart=true\n"
		"stopwaitsecs=5\n"
		"stdout_logfile=/tmp/supervisor_worker" + str(worker_id) + ".log\n"
		"stderr_logfile=/tmp/supervisor_worker" + str(worker_id) + ".log\n"
		)

	# Store the config
	file = open( args.output_dir + "/pogo_worker_"+ str(worker_id) + ".ini", "w" )
	file.write(config)
	file.close()

print "Done!"