#!/usr/bin/env python3
#
# MMGen Wallet, a terminal-based cryptocurrency wallet
# Copyright (C)2013-2024 The MMGen Project <mmgen@tuta.io>
#
# Project source code repository: https://github.com/mmgen/mmgen-wallet
# Licensed according to the terms of GPL Version 3.  See LICENSE for details.

"""
test.cmdtest_d.ct_tool: tool tests for the MMGen cmdtest.py test suite
"""

import sys, os

from mmgen.util import suf
from mmgen.color import cyan

from ..include.common import (
	cfg,
	vmsg,
	read_from_file,
	write_to_file,
	cmp_or_die,
	joinpath,
	getrand
)
from .common import hincog_fn, incog_id_fn, hincog_offset, tool_enc_passwd, ref_dir
from .ct_base import CmdTestBase
from .ct_main import CmdTestMain

class CmdTestTool(CmdTestMain, CmdTestBase):
	"interactive 'mmgen-tool' commands"
	networks = ('btc',)
	segwit_opts_ok = False
	tmpdir_nums = [9]
	enc_infn = 'tool_encrypt.in'
	cmd_group = (
		('tool_find_incog_data',
			(9, '‘mmgen-tool find_incog_data’', [[[hincog_fn], 1], [[incog_id_fn], 1]])
		),
		('tool_rand2file',
			(9, '‘mmgen-tool rand2file’', [])
		),
		('tool_encrypt',
			(9, '‘mmgen-tool encrypt’ (random data)', [])
		),
		('tool_decrypt',
			(9, '‘mmgen-tool decrypt’ (random data)', [[[enc_infn+'.mmenc'], 9]])
		),
		('tool_twview_bad_comment',
			(9, '‘mmgen-tool twview’ (with bad comment)', [])
		),
		('tool_decrypt_keystore',
			(9, '‘mmgen-tool decrypt_keystore’', [])
		),
		('tool_decrypt_geth_keystore',
			(9, '‘mmgen-tool decrypt_geth_keystore’', [])
		),
		('tool_api',
			(9, 'tool API (initialization, config methods, wif2addr)', [])
		),
		# ('tool_encrypt_ref', (9, '‘mmgen-tool encrypt’ (reference text)', [])),
	)

	def tool_rand2file(self):
		from mmgen.util2 import parse_bytespec
		for nbytes in ('1', '1023', '1K', '1048575', '1M', '1048577', '123M'):
			t = self.spawn(
				'mmgen-tool',
				['-d', self.tmpdir, '-r0', 'rand2file', 'rand2file.out', nbytes],
				extra_desc='({} byte{})'.format(nbytes, suf(parse_bytespec(nbytes)))
			)
			t.expect('random data written to file')
			t.read()
			t.p.wait()
			t.ok()
		t.skip_ok = True
		return t

	def tool_encrypt(self):
		infile = joinpath(self.tmpdir, self.enc_infn)
		write_to_file(infile, getrand(1033), binary=True)
		t = self.spawn('mmgen-tool', ['-d', self.tmpdir, self.usr_rand_arg, 'encrypt', infile])
		t.usr_rand(self.usr_rand_chars)
		t.hash_preset('data', '1')
		t.passphrase_new('data', tool_enc_passwd)
		t.written_to_file('Encrypted data')
		return t

	def tool_decrypt(self, f1):
		out_fn = 'tool_encrypt.out'
		t = self.spawn('mmgen-tool', ['-d', self.tmpdir, 'decrypt', f1, 'outfile='+out_fn, 'hash_preset=1'])
		t.passphrase('data', tool_enc_passwd)
		t.written_to_file('Decrypted data')
		d1 = self.read_from_tmpfile(self.enc_infn, binary=True)
		d2 = self.read_from_tmpfile(out_fn, binary=True)
		cmp_or_die(d1, d2)
		return t

	def tool_find_incog_data(self, f1, f2):
		i_id = read_from_file(f2).rstrip()
		vmsg(f'Incog ID: {cyan(i_id)}')
		t = self.spawn('mmgen-tool', ['-d', self.tmpdir, 'find_incog_data', f1, i_id])
		o = t.expect_getend(f'Incog data for ID {i_id} found at offset ')
		if not sys.platform == 'win32':
			os.unlink(f1) # causes problems with MSYS2
		cmp_or_die(hincog_offset, int(o))
		return t

	def tool_twview_bad_comment(self): # test correct operation of get_tw_label()
		t = self.spawn(
			'mmgen-tool',
			['twview'],
			env = {'MMGEN_BOGUS_UNSPENT_DATA': joinpath(ref_dir, 'bad-comment-unspent.json')},
			exit_val = 2)
		t.expect('cannot be converted to TwComment')
		return t

	def _decrypt_keystore(self, cmd, fn, pw, chk):
		if cfg.no_altcoin:
			return 'skip'
		t = self.spawn('mmgen-tool', ['-d', self.tmpdir, cmd, fn])
		t.expect('Enter passphrase: ', pw+'\n')
		t.expect(chk)
		return t

	def tool_decrypt_keystore(self):
		return self._decrypt_keystore(
			cmd = 'decrypt_keystore',
			fn  = 'test/ref/altcoin/98831F3A-keystore-wallet.json',
			pw = 'abc',
			chk = read_from_file('test/ref/98831F3A.bip39').strip())

	def tool_decrypt_geth_keystore(self):
		return self._decrypt_keystore(
			cmd = 'decrypt_geth_keystore',
			fn  = 'test/ref/ethereum/geth-wallet.json',
			pw  = '',
			chk = '9627ddb68354f5e0ff45fb2da49d7a20a013b7257a83ef4adbbbd87aeaccc75e')

	def tool_api(self):
		t = self.spawn(
				'tool_api_test.py',
				(['no_altcoin'] if cfg.no_altcoin else []),
				cmd_dir = 'test/misc')
		t.expect('legacy.*compressed.*segwit.*bech32', regex=True)
		return t