# standard imports
import logging
import os

# third party imports
import i18n
import pytest
from chainlib.chain import ChainSpec
from confini import Config

# local imports
from cic_ussd.account.chain import Chain
from cic_ussd.encoder import PasswordEncoder
from cic_ussd.files.local_files import create_local_file_data_stores, json_file_parser
from cic_ussd.menu.ussd_menu import UssdMenu
from cic_ussd.phone_number import E164Format, Support
from cic_ussd.state_machine import UssdStateMachine
from cic_ussd.validator import validate_presence

logg = logging.getLogger(__name__)

fixtures_dir = os.path.dirname(__file__)
root_directory = os.path.dirname(os.path.dirname(fixtures_dir))


@pytest.fixture(scope='session')
def alembic_config():
    migrations_directory = os.path.join(root_directory, 'cic_ussd', 'db', 'migrations', 'default')
    file = os.path.join(migrations_directory, 'alembic.ini')
    return {
        'file': file,
        'script_location': migrations_directory
    }


@pytest.fixture(scope='function')
def init_state_machine(load_config):
    UssdStateMachine.states = json_file_parser(filepath=load_config.get('MACHINE_STATES'))
    UssdStateMachine.transitions = json_file_parser(filepath=load_config.get('MACHINE_TRANSITIONS'))


@pytest.fixture(scope='function')
def load_chain_spec(load_config):
    chain_spec = ChainSpec(
        common_name=load_config.get('CIC_COMMON_NAME'),
        engine=load_config.get('CIC_ENGINE'),
        network_id=load_config.get('CIC_NETWORK_ID')
    )
    Chain.spec = chain_spec


@pytest.fixture(scope='session')
def load_config():
    config_directory = os.path.join(root_directory, 'config/test')
    config = Config(default_dir=config_directory)
    config.process()
    logg.debug('config loaded\n{}'.format(config))
    return config


@pytest.fixture(scope='function')
def load_e164_region(load_config):
    E164Format.region = load_config.get('E164_REGION')


@pytest.fixture(scope='session')
def load_support_phone(load_config):
    Support.phone_number = load_config.get('OFFICE_SUPPORT_PHONE')


@pytest.fixture
def load_ussd_menu(load_config):
    ussd_menu_db = create_local_file_data_stores(file_location=load_config.get('USSD_MENU_FILE'), table_name="ussd_menu")
    UssdMenu.ussd_menu_db = ussd_menu_db


@pytest.fixture(scope='function')
def set_fernet_key(load_config):
    PasswordEncoder.set_key(load_config.get('APP_PASSWORD_PEPPER'))


@pytest.fixture
def set_locale_files(load_config):
    validate_presence(load_config.get('LOCALE_PATH'))
    i18n.load_path.append(load_config.get('LOCALE_PATH'))
    i18n.set('fallback', load_config.get('LOCALE_FALLBACK'))
