#!/usr/bin/env python3
#from https://python.plainenglish.io/taming-your-python-dictionaries-with-dataclasses-marshmallow-and-desert-388dbffedaec
from dataclasses import dataclass
import json
from marshmallow import EXCLUDE, fields, post_load, Schema, validate
import requests

@dataclass
class Activity:
    activity: str
    participants: int
    price: float

class ActivitySchema(Schema):
    activity = fields.Str(required=True)
    participants = fields.Int(
        required=True,
        validate=validate.Range(min=1, max=50, error="Participants must be between 1 and 50 people")
    )
    price = fields.Float(
        required=True,
        validate=validate.Range(min=0, max=1, error="Price must be between $1 and $100")
    )

    @post_load
    def transform_price(self, data, **kwargs):
        # The `price` key always has the price between 0 and 1 for some reason so
        # let's convert that number into dollars
        data['price'] = data['price'] * 100
        return data


def get_activity() -> Activity:
    # Restore https when https://github.com/drewthoennes/Bored-API/issues/61 fixed
    resp = requests.get("http://www.boredapi.com/api/activity").json()
    validated_resp = ActivitySchema(unknown=EXCLUDE).load(resp)

    return Activity(
        activity=validated_resp["activity"],
        participants=validated_resp["participants"],
        price=validated_resp["price"]
    )


if __name__ == '__main__':
    print(get_activity())