import os
import sys
from dataclasses import dataclass
from typing import List


@dataclass
class SiteDescription:
    name: str
    baseurl: str


def parse_site_list(raw_site_list: str) -> List[SiteDescription]:
    parsed_sites = []
    for pair in raw_site_list.split(' '):
        name, baseurl = pair.split(';', 1)
        parsed_sites.append(
            SiteDescription(
                name=name,
                baseurl=baseurl
            )
        )
    return parsed_sites


class Config:
    INTERVAL = int(os.environ.get("INTERVAL", 30))
    SITE_LIST = parse_site_list(os.environ.get("SITES"))  # This is in priority order

    SENTRY_DSN = os.environ.get("SENTRY_DSN")

    RELEASE_ID = os.environ.get("RELEASE_ID", "test")
    RELEASEMODE = os.environ.get("RELEASEMODE", "dev")
    DEBUG = ('--debug' in sys.argv) or bool(os.environ.get("DEBUG", "").upper() in ['YES', 'TRUE', '1'])

    REDIS_URL = os.environ["REDIS_URL"]
    COLLECTOR_URL = os.environ["COLLECTOR_URL"]  # http://example.com/report/

    # how many times an incraising queue must be observed for an action to be taken
    RESCHEDULE_TIRGGER_LEVEL = int(os.environ.get("RESCHEDULE_TIRGGER_LEVEL", 5))

    # The counter clears itself after some time
    RESCHEDULE_TRIGGER_COUNTER_TTL = int(os.environ.get("RESCHEDULE_TRIGGER_COUNTER_TTL", 60))

    # how long a mark should live on a site which had troubled recently
    RECENT_TROUBLE_TTL = int(os.environ.get("RECENT_TROUBLE_TTL", 120))