#!/usr/bin/env python3

"""
test.modtest_d.ut_tx: TX unit tests for the MMGen suite
"""

import os

from mmgen.tx import CompletedTX, UnsignedTX
from mmgen.tx.file import MMGenTxFile
from mmgen.cfg import Config

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

async def do_txfile_test(desc, fns, cfg=cfg, check=False):
	qmsg(f'  Testing CompletedTX initializer ({desc})')
	for fn in fns:
		qmsg(f'     parsing: {os.path.basename(fn)}')
		fpath = os.path.join('test', 'ref', fn)
		tx = await CompletedTX(cfg=cfg, filename=fpath, quiet_open=True)

		vmsg('\n' + tx.info.format())

		f = MMGenTxFile(tx)
		fn_gen = f.make_filename()

		if cfg.debug_utf8:
			fn_gen = fn_gen.replace('-α', '')

		assert fn_gen == os.path.basename(fn), f'{fn_gen} != {fn}'

		if check:
			text = f.format()
			with open(fpath) as fh:
				text_chk = fh.read()
			assert text == text_chk, f'\nformatted text:\n{text}\n  !=\noriginal file:\n{text_chk}'

	qmsg('  OK')
	return True

class unit_tests:

	altcoin_deps = ('txfile_alt', 'txfile_alt_legacy')

	async def txfile(self, name, ut):
		return await do_txfile_test(
			'Bitcoin',
			(
				'tx/7A8157[6.65227,34].rawtx',
				'tx/BB3FD2[7.57134314,123].sigtx',
				'tx/0A869F[1.23456,32].regtest.asubtx',
			),
			check = True
		)

	async def txfile_alt(self, name, ut):
		return await do_txfile_test(
			'altcoins',
			(
				'tx/C09D73-LTC[981.73747,2000].testnet.rawtx',
				'tx/91060A-BCH[1.23456].regtest.arawtx',
				'tx/D850C6-MM1[43.21,50000].subtx', # token tx
			),
			# token resolved by tracking wallet under data_dir:
			cfg = Config({'data_dir': 'test/ref/data_dir'}),
			check = True
		)

	async def txfile_legacy(self, name, ut):
		return await do_txfile_test(
			'Bitcoin - legacy file format',
			(
				'0B8D5A[15.31789,14,tl=1320969600].rawtx',
				'542169[5.68152,34].sigtx',
				'0C7115[15.86255,14,tl=1320969600].testnet.rawtx',
				'25EFA3[2.34].testnet.rawtx',
			)
		)

	async def txfile_alt_legacy(self, name, ut):
		return await do_txfile_test(
			'altcoins - legacy file format',
			(
				'460D4D-BCH[10.19764,tl=1320969600].rawtx',
				'ethereum/5881D2-MM1[1.23456,50000].rawtx',
				'ethereum/6BDB25-MM1[1.23456,50000].testnet.rawtx',
				'ethereum/88FEFD-ETH[23.45495,40000].rawtx',
				'ethereum/B472BD-ETH[23.45495,40000].testnet.rawtx',
				'ethereum/B472BD-ETH[23.45495,40000].testnet.sigtx',
				'litecoin/A5A1E0-LTC[1454.64322,1453,tl=1320969600].testnet.rawtx',
				'litecoin/AF3CDF-LTC[620.76194,1453,tl=1320969600].rawtx',
			)
		)

	def errors(self, name, ut):
		async def bad1():
			await CompletedTX(cfg, filename='foo')
		def bad2():
			UnsignedTX(cfg, filename='foo')
		bad_data = (
			('forbidden positional args', 'TypeError', 'positional arguments', bad1),
			('forbidden positional args', 'TypeError', 'positional arguments', bad2),
		)
		ut.process_bad_data(bad_data)
		return True