#!/usr/bin/python3
#
# This script is licensed under GPL v3 or higher
# 
# Author:   Angel Berlanas Vicente
# 		angel.berlanas@gmail.com
#

import urllib.request
import os
import sys

# Some values of default
LLIUREX_CURRENT_URL="http://lliurex.net/platinum/conf/llx1406_filterList.txt"
LLIUREX_GENERATED_FILE="last/llx1406_pool-unico-list.txt"

class Pooldiff:
	"""
	The mod module
	"""

	def set_pre_platinum():
		LLIUREX_CURRENT_URL="http://lliurex.net/pre-platinum/conf/llx1406_filterList.txt"

	def main():
		"""
		The all the operations
		"""
		s_packages_current = set()
		s_packages_generated = set()
		
		# First get the package list from lliurex.net
		try:
			current= urllib.request.urlopen(LLIUREX_CURRENT_URL)
			lines = current.readlines()
			current.close()
			
			for line in lines:
				try:
					s_packages_current.add(line.split()[0].decode("utf-8"))
				except IndexError as e:
						pass
						
		except Exception as e:
			print("Error : "+str(e))

		# Now is time for local file, generated by this software previously
		if not os.path.isfile(LLIUREX_GENERATED_FILE):
			print("Working area is empty: "+ LLIUREX_GENERATED_FILE + " is not present")
			sys.exit(1)
			
		generated = open(LLIUREX_GENERATED_FILE)
		lines = generated.readlines()
		generated.close()

		for line in lines:
			s_packages_generated.add(line.split()[0])

		# Some operations
		# This need be optimized
		generated_minus_current = s_packages_generated - s_packages_current
		print("### ## # Generated Not in Current # ## ###")
		for package  in generated_minus_current:
			print(package+"\tinstall")


if __name__ == "__main__":
	"""
	The main module
	"""
	try:
		if len(sys.argv) != 1 and sys.argv[1] == "pre-platinum":
			set_pre_platinum()
		else:
			pass
	except Exception as e:
		print("Error : "+ str(e))
		pass
	Pooldiff.main()