from time import time
import os

from hexlib.db import VolatileState, VolatileBooleanState
from hexlib.log import logger

RECRAWL_HOURS = int(os.environ.get("GTV_RECRAWL_HOURS", 8))


class GabTvState:
    def __init__(self, prefix):
        self._episodes = VolatileState(prefix)
        self._visited = VolatileBooleanState(prefix)

    def has_visited(self, item_id):
        return self._visited["byid"][item_id]

    def mark_visited(self, item_id):
        self._visited["byid"][item_id] = True

    def has_visited_episode(self, episode):
        # TODO: This doesn't actually work because the 'stats' object never actually updates (?!?)
        # if episode["stats"]["commentCount"] == 0:
        #     # No comments, don't need to visit
        #     return True
        # com_count = self._episodes["episodes"][episode["_id"]]
        # return not com_count or episode["stats"]["commentCount"] == com_count
        last_visited = self._episodes["ep_ts"][episode["_id"]]
        if last_visited:
            logger.debug("Last seen: %d hours ago" % (int(time() - last_visited) / 3600))
        return last_visited and int(time() - last_visited) <= 3600 * RECRAWL_HOURS

    def mark_visited_episode(self, episode):
        self._episodes["ep_ts"][episode["_id"]] = int(time())

    def has_visited_channel(self, channel_id):
        return self._visited["channel"][channel_id]

    def mark_visited_channel(self, item_id):
        self._visited["channel"][item_id] = True