from flask import Flask, jsonify, Response, request
from flask_sqlalchemy import SQLAlchemy
from esales.cluster import Cluster

app = Flask(__name__)
app.config.from_object('config')


def on_404(e):
    return jsonify(dict(error='Not found')), 404

app.errorhandler(404)(on_404)

# SQLAlchemy
db = SQLAlchemy(app)

# eSales
esales = Cluster(app.config.get("ESALES_URL"))

from api.views import designers, categories
app.register_blueprint(designers.mod)
app.register_blueprint(categories.mod)


def check_authentication():
    auth = request.authorization
    if not auth:
        return False
    return auth.username in app.config.get("API_KEYS")


@app.before_request
def authenticate():
    if not check_authentication():
        return Response(
            'No valid API key provided', 401,
            {'WWW-Authenticate': 'Basic realm="Login Required"'}
        )


@app.route("/")
def index():
    data = {
        "info": {
            "api_version": "0.0.1"
        }
    }
    return jsonify(data)