#!/usr/bin/env python

# simple service that waits for network access and tries to update every 3 hours

import os
import time
import subprocess

from common.basedir import BASEDIR
from selfdrive.swaglog import cloudlog
from selfdrive.version import dirty

def main(gctx=None):
  while True:
    # try network
    r = subprocess.call(["ping", "-W", "4", "-c", "1", "8.8.8.8"])
    if r:
      time.sleep(60)
      continue

    # If there are modifications we want to full history
    # otherwise only store head to save space
    if dirty:
      r = subprocess.call(["nice", "-n", "19", "git", "fetch", "--unshallow"])
    else:
      r = subprocess.call(["nice", "-n", "19", "git", "fetch", "--depth=1"])

    cloudlog.info("git fetch: %r", r)
    if r:
      time.sleep(60)
      continue

    # download apks
    r = subprocess.call(["nice", "-n", "19", os.path.join(BASEDIR, "apk/external/patcher.py"), "download"])
    cloudlog.info("patcher download: %r", r)

    time.sleep(60*60*3)

if __name__ == "__main__":
    main()