import re
from datetime import datetime, timedelta

import pytest

from ci_common_utils import Logger

LOG_RE = re.compile(
    r'^\[(\d{2}/\d{2}/\d{4} \d{2}:\d{2}:\d{2}\.\d{6})\] -'
    r'\s+(\w+)\s+- \[.*tests/test_logger.py:(\d+)\] # (.+)')
LOGGER = Logger()
TEST_MESSAGE = 'sbhY=)9\'v-}LT=)jjF66(XrZh=]>7Xp"?/zCz,=eu8K47u8'


def check_output(msg: str, expected_line_number: int, expected_log_level: str):
    m = LOG_RE.match(msg)
    assert m is not None, f"incorrect message format, pattern: {LOG_RE.pattern}"
    date_time, log_level, line_number, msg = m.groups()

    assert int(line_number) == expected_line_number
    assert expected_log_level == log_level
    assert expected_log_level == log_level
    dt = datetime.strptime(date_time, '%d/%m/%Y %H:%M:%S.%f')
    now = datetime.now()
    delta = timedelta(seconds=1)
    assert now - delta < dt < now


@pytest.mark.parametrize('log_func,expected_log_level,expected_code', (
        (LOGGER.debug, 'DEBUG', 0),
        (LOGGER.warning, 'WARNING', 0),
        (LOGGER.info, 'INFO', 0),
        (LOGGER.error, 'ERROR', 1)
))
def test_log_message(capfd, log_func, expected_log_level, expected_code):
    assert log_func(TEST_MESSAGE) == expected_code
    _, err = capfd.readouterr()
    check_output(err, 36, expected_log_level)


def test_critical_message(capfd):
    with pytest.raises(SystemExit) as (err):
        LOGGER.critical(TEST_MESSAGE)
    _, err = capfd.readouterr()
    check_output(err, 43, 'CRITICAL')