from pathlib import Path

from mastodon import Mastodon

from . import Feed
from ..utils import CONFIG_PATH, PROGRAM_NAME, prompt


class MastodonFeed(Feed):
    CLIENTCRED_PATH: Path = CONFIG_PATH.joinpath("mastodon_clientcred.secret")
    USERCRED_PATH: Path = CONFIG_PATH.joinpath("mastodon_usercred.secret")

    # https://github.com/halcy/Mastodon.py
    def __init__(self, username: str, password: str, api_base_url: str):
        if not self.CLIENTCRED_PATH.exists():
            self._create_app(api_base_url)
        self.mastodon = Mastodon(client_id=self.CLIENTCRED_PATH)

        self.mastodon.log_in(
            username=username, 
            password=password,
        )

        super().__init__()

    
    def _create_app(self, api_base_url: str):
        client_id, client_secret = Mastodon.create_app(
            PROGRAM_NAME,
            api_base_url=api_base_url,
            to_file=self.CLIENTCRED_PATH
        )

        self._save_clientcred(client_id, client_secret)


    def prompt_auth(self) -> dict:
        """
        mastodon needs:
        - the instance used
        - the email of the user
        - the password of the user
        """

        return {
            "api_base_url": prompt.for_string("The instance you use", "https://mastodon.social"),
            "username": prompt.for_string("E-Mail"),
            "password": prompt.for_password("Password"),
        }