from pathlib import Path
import json
import logging

import toml

from .utils import Paths, PROGRAM_NAME
from .feeds.mastodon_feed import MastodonFeed
from .feeds.twitter_feed import TwitterFeed



NAME_TO_FEED = {
    "mastodon": MastodonFeed,
    "twitter": TwitterFeed,
}


class PublishMeetups:
    def __init__(self):
        self.config_file: Path = Path(Paths.CONFIG_PATH, "publish-meetups.toml")
        print(self.config_file)
        self.config = {}

        self.config = {
            "active_feeds": [
                "mastodon",
                "twitter",
            ],
            "mastodon": {},
            "twitter": {},
        }

        self.logger = logging.getLogger(__name__)

    def __enter__(self):
        if self.config_file.exists():
            with self.config_file.open("r", encoding="utf-8") as f: 
                self.config.update(toml.load(f))

        return self

    def run(self):
        for feed in self.config['active_feeds']:
            self.run_feed(feed)

    def run_feed(self, feed: str):
        if feed not in NAME_TO_FEED:
            self.logger.error(f"Feed {feed} is not implemented.")
            return


        feed_config = self.config.get(feed, {})
        feed_class = NAME_TO_FEED[feed]

        if not len(feed_config):
            feed_config.update(feed_class.prompt_auth(feed_config))
            self.config[feed] = feed_config

            with self.config_file.open("w", encoding="utf-8") as f:
                toml.dump(self.config, f)


        with feed_class(**feed_config, config=feed_config) as feed_instance:
            self.config[feed].update(feed_instance.config)

            with self.config_file.open("w", encoding="utf-8") as f:
                toml.dump(self.config, f)

            feed_instance.run()


    def __exit__(self, exc_type, exc_val, exc_tb):
        print("Exiting")
        with self.config_file.open("w", encoding="utf-8") as f:
            toml.dump(self.config, f)