# coding=UTF-8
import json
from flask import request, current_app, Response


def check_api_key():
    api_keys = current_app.config.get("API_KEYS")
    if not api_keys:
        return
    auth = request.authorization
    if not auth or not auth.username in api_keys:
        response = json.dumps({"status": 401, "message": "No valid API key provided"})
        return Response(
            response, 401, {"WWW-Authenticate": 'Basic realm="Login Required"'}
        )


def pagination_to_dict(pagination):
    return {
        "page": pagination.page,
        "pages": pagination.pages,
        "next_num": pagination.next_num,
        "per_page": pagination.per_page,
        "has_next": pagination.has_next,
        "has_prev": pagination.has_prev,
        "total": pagination.total,
    }