from flask import Flask
import os





def create_app(test_config=None):
    # create and configure the app
    app = Flask(__name__, instance_relative_config=True)
    app.config.from_mapping(
        SECRET_KEY='6e674d6e41b733270fd01c6257b3a1b4769eb80f3f773cd0fe8eff25f350fc1f',
        POSTGRES_DB=os.environ.get("POSTGRES_DB", "aact_db"),
        POSTGRES_USER=os.environ.get("POSTGRES_USER", "root"),
        POSTGRES_HOST=os.environ.get("POSTGRES_HOST", "localhost"),
        POSTGRES_PORT=os.environ.get("POSTGRES_PORT", 5432),
        POSTGRES_PASSWORD=os.environ.get("POSTGRES_PASSWORD"),
    )



    # ensure the instance folder exists
    try:
        os.makedirs(app.instance_path)
    except OSError:
        pass

    # a simple page that says hello
    @app.route('/')
    def hello():
        return 'Hello, World!'


    from . import formularies_db_interface
    #init database
    formularies_db_interface.init_database(app)

    from . import formularies_validation
    app.register_blueprint(formularies_validation.bp)

    return app