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from serenitas.utils.misc import get_credential_path
import json
import posixpath
from urllib.parse import urljoin
from typing import ClassVar
import requests


def load_api_key():
    with get_credential_path("markit_api").open() as fh:
        creds = json.load(fh)
    base_url = creds.pop("url")
    r = requests.post(
        urljoin(base_url, "apikey"),
        data=creds,
    )
    return base_url, r.text


class MarkitAPI:
    base_url, api_key = load_api_key()

    @classmethod
    def get_data(cls, asset_class, service="latest"):
        params = {
            "format": "json",
            "assetClass": asset_class,
            "apikey": cls.api_key,
            "limit": 1000,
            "sortBy": "receivedDateTime",
            "descending": "true",
        }

        path = posixpath.join("parsing", "Quote", service)
        url = urljoin(cls.base_url, path)
        r = requests.get(url, params)
        return json.loads(r.text)