"""Application configuration."""

import logging
import os
from urllib.parse import quote

import dotenv
from pyraml import parser as raml_parser
from secrets_manager.flask_ext import FlaskSecretsManager
from sqlalchemy.pool import QueuePool
from sqlalchemy.pool import StaticPool

# Load environment variables from a .env file
dotenv.load_dotenv('../.env')

# Service information
SERVICE_NAME = 'ows-product-workflow'
SERVICE_VERSION = '1.0.0'

# Production environment
PROD_ENVIRONMENT = 'prod'
TEST_ENVIRONMENT = 'test'
DEV_ENVIRONMENT = 'dev'
QA_ENVIRONMENT = 'qa'
ENVIRONMENT = os.environ.get('Environment', DEV_ENVIRONMENT)

secrets_manager_client = FlaskSecretsManager(
    application_context=False, environment=ENVIRONMENT,
    service_name=SERVICE_NAME)

# Errors and loggers
SENTRY = secrets_manager_client.get_cred('SENTRY_DSN') or None
LOGGER_LEVEL = logging.INFO
LOGGER_NAME = 'ows1'

# Generic handlers
HEALTH_CHECK = '/hello/'

# API definition
API_DEFINITION = raml_parser.load(
    'spec/api/ows-product-workflow-{version}.raml'.format(
        version=SERVICE_VERSION))
API_TEST_DEFINITION = raml_parser.load('spec/api/test.raml')

# AWS Region
AWS_REGION = os.environ.get('AWS_REGION', 'us-east-1')

# Database config
if ENVIRONMENT == TEST_ENVIRONMENT:
    DB_CONNECTION_URL = 'sqlite://'
    POOLCLASS = StaticPool
else:
    # We must explicitly set utf8 encoding for MySQL connections
    DB_CONNECTION_URL = (
        'mysql+pymysql://{user}:{password}@{host}/{db}?charset={charset}'
        .format(
            user=secrets_manager_client.get_cred('AR_MYSQL_USER'),
            password=quote(str(secrets_manager_client.get_cred('AR_MYSQL_PASSWORD'))),
            host=secrets_manager_client.get_cred('AR_MYSQL_HOST'),
            db=secrets_manager_client.get_cred('AR_MYSQL_DATABASE'),
            charset='utf8mb4'))
    POOLCLASS = QueuePool
    POOL_MAX_OVERFLOW = -1
    POOL_PRE_PING = True
    POOL_RECYCLE_MS = 3600  # Avoids connections going stale
    POOL_SIZE = 5