"""Application.

The API application is a `flask` application. It provides simple features such
as registering a url for a specific handlers.
"""
from flask import Flask
from flask_caching import Cache
from flask_sqlalchemy import SQLAlchemy
from owslogger import flask_logger
from owsrequest import flask_request
from owsresponse import response
from owsresponse.adaptors.flask import flaskify
from werkzeug.exceptions import HTTPException

from product_review import config


def http_error_handler(error):
    """Handle errors."""
    return flaskify(
        response.create_error_response(
            message=error.description, status=error.code, code="error"
        )
    )


app = Flask(config.SERVICE_NAME, static_folder=None)

app.config["CACHE_TYPE"] = "SimpleCache"
cache = Cache(app)

app.config.update(**config.DB_CONFIG)
if config.ENVIRONMENT == config.TEST_ENVIRONMENT:
    app.register_error_handler(HTTPException, http_error_handler)

db = SQLAlchemy(app, session_options={"autocommit": False, "autoflush": False})
flask_logger.setup(
    app,
    config.ENVIRONMENT,
    config.LOGGER_NAME,
    config.LOGGER_LEVEL,
    config.SERVICE_NAME,
    config.SERVICE_VERSION,
    exclude_paths=[config.HEALTH_CHECK],
)

try:
    import uwsgi  # noqa
    uwsgiRunning = True
except ImportError:
    uwsgiRunning = False

flask_request.set_rules_validator(app, "product_review/access_rules.yml")
flask_request.setup(
    app,
    config.ENVIRONMENT,
    add_request_context=True,
    label_profile=True,
    verify_access=False,
    rules_file=None,
    access_log_only=config.ONLY_LOG_ACCESS_ERRORS,
    exclude_paths=[config.HEALTH_CHECK],
    uwsgi_cache_enabled=uwsgiRunning
)


if config.ENVIRONMENT in [config.QA_ENVIRONMENT, config.PROD_ENVIRONMENT]:
    if not config.SENTRY:
        raise Exception(f"Sentry is not configured in {config.ENVIRONMENT}")