import logging

from aiohttp import ClientSession


log = logging.getLogger(__name__)


class DiscordAlert:
    def __init__(self, alert_name: str, alert: dict):
        self.name = alert_name
        self.url = alert['url']
        self.session = ClientSession()

    def _make_payload(self, service, status):
        serv_name = service['name']
        is_up = status['status']

        err = status.get('error', 'No error provided')
        color = 0x00ff00 if is_up else 0xff0000

        embed = {
            'title': serv_name,
            'color': color
        }

        if not is_up:
            embed['description'] = err

        return {
            'content': '',
            'embeds': [embed],
        }

    async def post(self, service: dict, status: dict):
        payload = self._make_payload(service, status)

        log.warning(f'Posting an alert! {status.get("error")}')
        async with self.session.post(self.url, json=payload) as resp:
            return resp