from flask import Blueprint, abort, request, jsonify

import lib

extra = Blueprint("extra", __name__)


@extra.route("score", methods=["POST"])
def check_score():
    js = request.get_json()
    p1 = js.get("point1", None)
    p2 = js.get("point2", None)
    if p1 is None or p2 is None:
        abort(400)

    try:
        lat1 = float(p1.get("lat", None))
        lng1 = float(p1.get("lng", None))
        lat2 = float(p2.get("lat", None))
        lng2 = float(p2.get("lng", None))
    except ValueError:
        abort(400)

    score, distance = lib.score((lat1, lng1), (lat2, lng2))
    return jsonify({
        "score": score,
        "distance": distance,
    })