import sys

import process_known_hosts
import write_file

def main():
	# TODO: Handle errors
	# TODO: Add a switch for whether you want to include IPs
	with open(sys.argv[1], 'r') as f:
		try:
			known_host_entries = process_known_hosts.process_file(f)
		except Exception as err:
			print('Error: %s' % err, file=sys.stderr)
			sys.exit(1)

	# Convert to the entry format for .sshwot files
	entries = []
	for known_hosts_entry in known_host_entries:
		entries.append(process_known_hosts.known_hosts_to_entry(known_hosts_entry))

	# Write to stdout by default
	# TODO: Add a way to change it
	# We use sys.stdout.buffer instead of just sys.stdout because we
	# are writing binary data
	write_file.write(sys.stdout.buffer, entries)

if __name__ == '__main__':
	main()