from logging.config import dictConfig
import os
import yaml


config = {
    'alembic': {
        'script_location': 'migrations',
        'sqlalchemy.url': ''},
    'databases': {
        'meta': {},
        'raw': {}},
    'logging': {
        'formatters': {
            'simpleFormatter': {
                'format': '%(asctime)s - %(name)s - %(levelname)s - %(message)s'}},
        'handlers': {
            'consoleHandler': {
                'class': 'logging.StreamHandler',
                'formatter': 'simpleFormatter',
                'level': 'DEBUG',
                'stream': 'ext://sys.stdout'},
            'fileHandler': {
                'class': 'logging.FileHandler',
                'filename': 'pyjeeves.log',
                'formatter': 'simpleFormatter',
                'level': 'INFO'}},
            'loggers': {
                'PyJeeves': {'handlers': ['fileHandler'],
                             'level': 'DEBUG'},
                'alembic': {'handlers': ['fileHandler'],
                            'level': 'INFO'},
                'sqlalchemy': {'handlers': ['fileHandler'],
                               'level': 'WARN',
                               'qualname': 'sqlalchemy.engine'}},
            'root': {'handlers': ['consoleHandler'], 'level': 'DEBUG'},
            'version': 1},
    'sync_interval': 60}

config['debug'] = os.getenv('ENVIRONEMENT') == 'DEV'

DB_CONTAINER = os.getenv('APPLICATION_DB_CONTAINER', 'db')
config['databases']['raw'] = {
    'user': os.getenv('JEEVES_USER', 'jvsdbo'),
    'pw': os.getenv('JEEVES_PW', ''),
    'host': os.getenv('JEEVES_HOST', ''),
    'port': os.getenv('JEEVES_PORT', 1433),
    'db': os.getenv('JEEVES_DB', ''),
}
config['databases']['meta'] = {
    'user': os.getenv('META_MYSQL_USER', 'pyjeeves'),
    'pw': os.getenv('META_MYSQL_PW', ''),
    'host': os.getenv('META_MYSQL_HOST', DB_CONTAINER),
    'port': os.getenv('META_MYSQL_PORT', 3306),
    'db': os.getenv('META_MYSQL_DB', 'pyjeeves'),
}

# DB_URI = 'postgresql://%(user)s:%(pw)s@%(host)s:%(port)s/%(db)s' % POSTGRES
config['alembic']['sqlalchemy.url'] = (
    'mysql+pymysql://%(user)s:%(pw)s@%(host)s:%(port)s/%(db)s?charset=utf8mb4' %
    config['databases']['meta'])

try:
    with open("config.yml", 'r') as ymlfile:
        file_config = yaml.load(ymlfile, Loader=yaml.FullLoader)
        config = {**config, **file_config}  # Syntax introduced in Python 3.5
except IOError as e:
    pass

dictConfig(config['logging'])