from flask import Flask
from os import environ
from web import blueprint

'''
    Main entrypoint for Flask application. 
    Initialises any components that are needed at runtime such as the 
    Database manager...
'''
def main():
    app = Flask(__name__)

    # Set app secret key to sign session cookies
    secret_key = environ.get("APPSECRET")
    if secret_key == None:
        # NO Secret Key set!
        print("No app secret set, please set one before deploying in production")
        app.secret_key = "DEFUALTKEY"
    else:
        app.secret_key = secret_key

    # Register a blueprint 
    app.register_blueprint(blueprint)
    app.run(debug=True, host="0.0.0.0")
    
if __name__ == "__main__":
    main()