#!/usr/bin/env python
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C) 2013 by philemon <mmgen-py@yandex.com>
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""
mmgen-walletchk: Check integrity of a mmgen deterministic wallet, display
                 information about it and export seed and mnemonic data
"""

import sys
import mmgen.Opts as Opts

from mmgen.utils import *

help_data = {
	'desc':  """Check integrity of a %s deterministic wallet, display
                    its information and export seed and mnemonic data."""\
					% proj_name,
	'usage':   "[opts] [filename]",
	'options': """
-h, --help             Print this help message
-e, --echo-passphrase  Print passphrase to screen when typing it
-m, --export-mnemonic  Export the wallet's mnemonic to file
-s, --export-seed      Export the wallet's seed to file
-v, --verbose          Produce more verbose output
"""
}

short_opts = "hemsv"
long_opts  = "help","echo_passphrase","export_mnemonic","export_seed","verbose"

opts,cmd_args = Opts.process_opts(sys.argv,help_data,short_opts,long_opts)

if len(cmd_args) != 1:
	msg("One input file must be specified")
	sys.exit(2)

if 'export_mnemonic' in opts:
	msg("Exporting mnemonic data to file by user request")
if 'export_seed' in opts:
	msg("Exporting seed data to file by user request")

seed = get_seed_from_wallet(cmd_args[0], opts)
msg("Wallet is OK")

if 'export_mnemonic' in opts:
	wl = get_default_wordlist()

	from mmgen.mnemonic import get_mnemonic_from_seed
	p = True if debug else False
	mn = get_mnemonic_from_seed(seed, wl, default_wl, print_info=p)

	write_mnemonic_to_file(mn, seed, opts)

	if debug: print "Mnemonic:\n%s" % " ".join(mn)

if 'export_seed' in opts:
	write_seed_to_file(seed, opts)

	if debug:
		from mmgen.bitcoin import b58encode_pad
		print "Seed: %s" % col4(b58encode_pad(seed))