#!/usr/bin/python3
# Executed on deinstallation
# Completely remove howdy from the system

def col(id):
	"""Add color escape sequences"""
	if id == 1: return "\033[32m"
	if id == 2: return "\033[33m"
	if id == 3: return "\033[31m"
	return "\033[0m"

# Import required modules
import subprocess
import sys
import os
from shutil import rmtree

# Only run when we actually want to remove
if "remove" not in sys.argv and "purge" not in sys.argv:
	sys.exit(0)

# Don't try running this if it's already gome
if not os.path.exists("/lib/security/howdy/cli"):
	sys.exit(0)

# Remove files and symlinks
try:
	os.unlink('/usr/local/bin/howdy')
except Exception:
	print("Can't remove executable")
try:
	os.unlink('/usr/share/bash-completion/completions/howdy')
except Exception:
	print("Can't remove autocompletion script")
try:
	rmtree('/lib/security/howdy')
except Exception:
	# This error is normal
	pass

# Remove face_recognition and dlib
subprocess.call(['pip3', 'uninstall', 'dlib', '-y', '--no-cache-dir'])

# Print a tearbending message
print(col(2) + """
There are still lines in /etc/pam.d/common-auth that can't be removed automatically
Run "nano /etc/pam.d/common-auth" to remove them by hand\
""" + col(0))