#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2021 The MMGen Project <mmgen@tuta.io>
#
# Project source code repository: https://github.com/mmgen/mmgen
# Licensed according to the terms of GPL Version 3.  See LICENSE for details.

"""
ts_tool.py: tool tests for the MMGen test.py test suite
"""

from ..include.common import *
from .ts_base import *
from .ts_main import TestSuiteMain

class TestSuiteTool(TestSuiteMain,TestSuiteBase):
	"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_api',             (9,'tool API (initialization, config methods, wif2addr)',[])),
		# ('tool_encrypt_ref', (9,"'mmgen-tool encrypt' (reference text)",  [])),
	)

	def tool_rand2file(self):
		outfile = os.path.join(self.tmpdir,'rand2file.out')
		from mmgen.tool import MMGenToolCmdUtil
		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(MMGenToolCmdUtil().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,os.urandom(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('user data','1')
		t.passphrase_new('user 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('user 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('Incog ID: {}'.format(cyan(i_id)))
		t = self.spawn('mmgen-tool',['-d',self.tmpdir,'find_incog_data',f1,i_id])
		o = t.expect_getend('Incog data for ID {} found at offset '.format(i_id))
		if not g.platform == 'win':
			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()
		os.environ['MMGEN_BOGUS_WALLET_DATA'] = joinpath(ref_dir,'bad-comment-unspent.json')
		t = self.spawn('mmgen-tool',['twview'])
		t.read()
		t.req_exit_val = 2
		return t

	def tool_api(self):
		t = self.spawn('tool_api_test.py',cmd_dir='test/misc')
		t.expect('legacy.*compressed.*segwit.*bech32',regex=True)
		t.read()
		return t