# checks.py
import socket
import urllib.request
import urllib.error


class SystemChecks:

  def __init__(self, network_targets, ziti_target):
    self.network_targets = network_targets
    self.ziti_target = ziti_target

  def check_network_status(self):
    """Loops through configured network targets and returns True if any succeed."""
    for host, port in self.network_targets:
      if self._tcp_ping(host, int(port), timeout=1.5):
        return True
    return False

  def check_ziti_status(self):
    """Makes an HTTP request to the configured address."""
    if not self.ziti_target:
      return False
    
    try:
      request = urllib.request.Request(
        self.ziti_target,
        method="GET",
      )

      with urllib.request.urlopen(request, timeout=2.0) as response:
        return 200 <= response.status < 300

    except (urllib.error.URLError, TimeoutError, OSError):
      return False

  def _tcp_ping(self, host, port, timeout=1):
    try:
      with socket.create_connection((host, port), timeout=timeout):
        return True
    except OSError:
      return False