#!/usr/bin/env python3

"""
test/unit_tests_d/ut_bip39: BIP39 unit test for the MMGen suite
"""

from mmgen.util import msg,msg_r
from mmgen.color import blue,orange,purple
from mmgen.bip39 import bip39

from ..include.common import cfg,qmsg,vmsg,vmsg_r

class unit_tests:

	vectors = (
		(   "00000000000000000000000000000000",
			"abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
		),
		(   "7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f",
			"legal winner thank year wave sausage worth useful legal winner thank yellow"
		),
		(   "80808080808080808080808080808080",
			"letter advice cage absurd amount doctor acoustic avoid letter advice cage above"
		),
		(   "ffffffffffffffffffffffffffffffff",
			"zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong"
		),
		(   "000000000000000000000000000000000000000000000000",
			"abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon agent"
		),
		(   "7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f",
			"legal winner thank year wave sausage worth useful legal winner thank year wave sausage worth useful legal will"
		),
		(   "808080808080808080808080808080808080808080808080",
			"letter advice cage absurd amount doctor acoustic avoid letter advice cage absurd amount doctor acoustic avoid letter always"
		),
		(   "ffffffffffffffffffffffffffffffffffffffffffffffff",
			"zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo when"
		),
		(   "0000000000000000000000000000000000000000000000000000000000000000",
			"abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon art"
		),
		(   "7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f",
			"legal winner thank year wave sausage worth useful legal winner thank year wave sausage worth useful legal winner thank year wave sausage worth title"
		),
		(   "8080808080808080808080808080808080808080808080808080808080808080",
			"letter advice cage absurd amount doctor acoustic avoid letter advice cage absurd amount doctor acoustic avoid letter advice cage absurd amount doctor acoustic bless"
		),
		(   "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
			"zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo vote"
		),
		(   "9e885d952ad362caeb4efe34a8e91bd2",
			"ozone drill grab fiber curtain grace pudding thank cruise elder eight picnic"
		),
		(   "6610b25967cdcca9d59875f5cb50b0ea75433311869e930b",
			"gravity machine north sort system female filter attitude volume fold club stay feature office ecology stable narrow fog"
		),
		(   "68a79eaca2324873eacc50cb9c6eca8cc68ea5d936f98787c60c7ebc74e6ce7c",
			"hamster diagram private dutch cause delay private meat slide toddler razor book happy fancy gospel tennis maple dilemma loan word shrug inflict delay length"
		),
		(   "c0ba5a8e914111210f2bd131f3d5e08d",
			"scheme spot photo card baby mountain device kick cradle pact join borrow"
		),
		(   "6d9be1ee6ebd27a258115aad99b7317b9c8d28b6d76431c3",
			"horn tenant knee talent sponsor spell gate clip pulse soap slush warm silver nephew swap uncle crack brave"
		),
		(   "9f6a2878b2520799a44ef18bc7df394e7061a224d2c33cd015b157d746869863",
			"panda eyebrow bullet gorilla call smoke muffin taste mesh discover soft ostrich alcohol speed nation flash devote level hobby quick inner drive ghost inside"
		),
		(   "23db8160a31d3e0dca3688ed941adbf3",
			"cat swing flag economy stadium alone churn speed unique patch report train"
		),
		(   "8197a4a47f0425faeaa69deebc05ca29c0a5b5cc76ceacc0",
			"light rule cinnamon wrap drastic word pride squirrel upgrade then income fatal apart sustain crack supply proud access"
		),
		(   "066dca1a2bb7e8a1db2832148ce9933eea0f3ac9548d793112d9a95c9407efad",
			"all hour make first leader extend hole alien behind guard gospel lava path output census museum junior mass reopen famous sing advance salt reform"
		),
		(   "f30f8c1da665478f49b001d94c5fc452",
			"vessel ladder alter error federal sibling chat ability sun glass valve picture"
		),
		(   "c10ec20dc3cd9f652c7fac2f1230f7a3c828389a14392f05",
			"scissors invite lock maple supreme raw rapid void congress muscle digital elegant little brisk hair mango congress clump"
		),
		(   "f585c11aec520db57dd353c69554b21a89b20fb0650966fa0a9d6f74fd989d8f",
			"void come effort suffer camp survey warrior heavy shoot primary clutch crush open amazing screen patrol group space point ten exist slush involve unfold"
		)
	)

	def conversion(self,name,ut):

		vmsg('')
		qmsg(blue('Testing BIP39 conversion routines'))

		b = bip39()
		b.check_wordlist(cfg)

		vmsg('')
		qmsg('Checking seed to mnemonic conversion:')
		for v in self.vectors:
			chk = tuple(v[1].split())
			vmsg('    '+v[1])
			res = b.fromhex( v[0] )
			assert res == chk, f'mismatch:\nres: {res}\nchk: {chk}'

		vmsg('')
		qmsg('Checking mnemonic to seed conversion:')
		for v in self.vectors:
			chk = v[0]
			vmsg('    '+chk)
			res = b.tohex( v[1].split() )
			assert res == chk, f'mismatch:\nres: {res}\nchk: {chk}'

		qmsg('OK')
		vmsg('')

		return True

	def errors(self,name,ut):

		vmsg('')
		qmsg(blue('Testing error handling'))

		good_mn = "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong".split()
		bad_len_mn = "zoo zoo zoo".split()
		bad_chksum_mn = "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo".split()
		bad_word_mn = "admire zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo".split()
		bad_seed = 'deadbeef'
		good_seed = 'deadbeef' * 4

		b = bip39()
		th = b.tohex
		fh = b.fromhex
		bad_data = (
			('hex',              'AssertionError', 'not a hexadecimal',lambda:fh('xx')),
			('seed len',         'AssertionError', 'invalid seed bit', lambda:fh(bad_seed)),
			('mnemonic type',    'AssertionError', 'must be list',     lambda:th('string')),
			('arg (tostr=True)', 'AssertionError', "'tostr' must be",  lambda:fh(good_seed,tostr=True)),
			('pad len (fromhex)','AssertionError', "invalid 'pad' arg",lambda:fh(good_seed,pad=23)),
			('pad len (tohex)',  'AssertionError', "invalid 'pad' arg",lambda:th(good_mn,pad=23)),
			('word',             'MnemonicError',  "not in the BIP39", lambda:th(bad_word_mn)),
			('checksum',         'MnemonicError',  "checksum",         lambda:th(bad_chksum_mn)),
			('seed phrase len',  'MnemonicError',  "phrase len",       lambda:th(bad_len_mn)),
		)

		ut.process_bad_data(bad_data)

		qmsg('OK')
		vmsg('')

		return True