import json

from apistar import Include, Route, http, Response, annotate
from apistar.frameworks.wsgi import WSGIApp as App
from apistar.handlers import docs_urls, static_urls
from apistar.backends import sqlalchemy_backend
from apistar.backends.sqlalchemy_backend import Session

from models import Base, Cookie
from model.util import alchemyencoder
from render import JSONRenderer


def welcome(name=None):
    if name is None:
        return {'message': 'Welcome to API Star!'}
    return {'message': 'Welcome to API Star, %s!' % name}


@annotate(renderers=[JSONRenderer()])
def get_cookies(session: Session):
    cookies = session.query(Cookie).all()
    result = [{"id": cookie.id,
               "created_date": cookie.created_date,
               "modified_date": cookie.modified_date,
               "name": cookie.name,
               "recipe_url": cookie.recipe_url,
               "sku": cookie.sku,
               "qoh": cookie.unit_cost}
              for cookie in cookies]

    return result

routes = [
    Route('/', 'GET', welcome),
    Route('/cookies', 'GET', get_cookies),
    Include('/docs', docs_urls),
    Include('/static', static_urls)
]

settings = {
    'DATABASE': {
        'URL': 'postgresql://:@localhost/apistar',
        'METADATA': Base.metadata
    }
}

app = App(routes=routes,
          settings=settings,
          commands=sqlalchemy_backend.commands,
          components=sqlalchemy_backend.components
          )