import os
import re
import time

from unit.control import TestControl
from unit.log import Log
from unit.option import option


class TestApplicationProto(TestControl):
    application_type = None

    def sec_epoch(self):
        return time.mktime(time.gmtime())

    def date_to_sec_epoch(self, date, template='%a, %d %b %Y %H:%M:%S %Z'):
        return time.mktime(time.strptime(date, template))

    def findall(self, pattern, name='unit.log'):
        with Log.open(name) as f:
            return re.findall(pattern, f.read())

    def search_in_log(self, pattern, name='unit.log'):
        with Log.open(name) as f:
            return re.search(pattern, f.read())

    def wait_for_record(self, pattern, name='unit.log', wait=150):
        with Log.open(name) as f:
            for i in range(wait):
                found = re.search(pattern, f.read())

                if found is not None:
                    break

                time.sleep(0.1)

        return found

    def get_application_type(self):
        current_test = (
            os.environ.get('PYTEST_CURRENT_TEST').split(':')[-1].split(' ')[0]
        )

        return option.generated_tests.get(current_test, self.application_type)

    def _load_conf(self, conf, **kwargs):
        if 'applications' in conf:
            for app in conf['applications'].keys():
                app_conf = conf['applications'][app]

                for key in [
                    'user',
                    'group',
                    'isolation',
                    'processes',
                    'threads',
                ]:
                    if key in kwargs:
                        app_conf[key] = kwargs[key]

        assert 'success' in self.conf(conf), 'load application configuration'