#!/usr/bin/env python

import re;
from os import system as ossystem;
from os import path as ospath;
from sys import argv as sysargv;

# [1] get absolute path
path = ospath.dirname(ospath.dirname(ospath.realpath(__file__)));

# [2] get packages
packages = sysargv[1:];

# [3] search for manifest file
manifest="";
with open( "%s/manifest" % path, 'r' ) as f:
	manifest=f.readline();

# [4] search for installed entries in manifest
alrdy = [];
findAlrdy = re.compile("^\s*\[x\]\s(?:([a-zA-Z0-9_-]+)(?: \[deb\])?)$", 0);
with open(manifest, 'r+') as f:
	for line in f:
		m = findAlrdy.search(line);
		if ( m != None ):
			alrdy.append( m.group(1) ) ;

# [5] Purge packages
purged = [];

for pkg in packages:
	print "\033[38;5;208m[purge](%d/%d) %s\033[0m" % (packages.index(pkg)+1, len(packages), pkg);
	exitcode = ossystem("sudo apt-get purge %s" % pkg);

	# if all ran successfully
	if ( exitcode == 0 ):
		print "\033[38;5;78msuccess\033[0m";
		purged.append( pkg );
	else:
		print "\033[38;5;161merror\033[0m";


# [6] update manifest
for pkg in purged:
	print "\033[38;5;39m[notifying](%d/%d) %s\033[0m" % (purged.index(pkg)+1, len(purged), pkg);

	# if new package
	if( not pkg in alrdy ):
		with open(manifest, "a") as f:
		    f.write("  [ ] %s\n" % pkg);
	else:
		with open(manifest, 'r') as reader:
			replaced = reader.read().replace("[x] %s" % pkg, "[ ] %s" % pkg).replace("[x] %s [deb]" % pkg, "[ ] %s [deb]" % pkg);

			with open(manifest, 'w') as writer:
				writer.write( replaced );