import os
from flask import Flask
from authlib.integrations.flask_client import OAuth

from db import close_db, init_db
from routes.public import public_bp
from routes.auth import auth_bp
from routes.protected import protected_bp


def create_app():
    app = Flask(__name__)

    app.secret_key = os.environ['SECRET_KEY']

    # OIDC AlpID
    oauth = OAuth(app)
    oauth.register(
        name='alpid',
        server_metadata_url=os.environ['ALPID_DISCOVERY_URL'],
        client_id=os.environ['ALPID_CLIENT_ID'],
        client_secret=os.environ['ALPID_CLIENT_SECRET'],
        client_kwargs={'scope': 'openid profile email'},
    )
    app.extensions['oauth'] = oauth

    # Filtre Jinja2 utilitaire
    app.jinja_env.filters['enumerate'] = enumerate

    # Blueprints
    app.register_blueprint(public_bp)
    app.register_blueprint(auth_bp, url_prefix='/auth')
    app.register_blueprint(protected_bp)

    # Base de données
    app.teardown_appcontext(close_db)
    with app.app_context():
        init_db()

    return app


app = create_app()

if __name__ == '__main__':
    app.run(debug=os.environ.get('FLASK_DEBUG', '0') == '1')