import hassapi as hass;
import time;

"""

Monitor cameras for motion, and turn lights on if after dark, then turn them off after no more motion is detected

"""

class MotionLights(hass.Hass):
  def initialize(self):

    self.log("MotionLights.initialize()")
    last_motion_event = { }
    light_delay = 30

    cameras = { }
    cameras[ "c01_motion" ] = [ "switch.exterior_front_floods" ]
    cameras[ "c03_motion" ] = [ "switch.exterior_front_floods" ]
    cameras[ "c09_motion" ] = [ "switch.exterior_front_floods" ]
    cameras[ "c11_motion" ] = [ "switch.exterior_front_floods" ]
    cameras[ "c12_motion" ] = [ "switch.exterior_front_floods" ]
    cameras[ "c19_motion" ] = [ "switch.exterior_driveway_floods" ]
    cameras[ "c20_motion" ] = [ "switch.exterior_driveway_floods" ]
    cameras[ "doorbird_front_door_motion_detected" ] = [ "switch.front_porch_overhead_light", "switch.exterior_front_floods", "switch.exterior_driveway_floods" ]

    for camera in cameras.keys():
      self.listen_state(self.motion, "binary_sensor." + camera, new="on")

  def motion(self, entity, attribute, old, new, kwargs):
    last_motion_event[ entity ] = time.time()

    if self.sun_down():
        for light in cameras[entity]:
          self.turn_on(light)
          self.run_in(self.light_off, light_delay, camera = entity)

  def light_off(self, kwargs):
    last_motion = 0

    if camera in last_motion_event:
      last_motion = last_motion_event[camera]

    for light in cameras[camera]:
      for othercamera in cameras.keys():
        if othercamera in last_motion_event:
          if light in othercamera:
            if last_motion_event[othercamera] > last_motion:
              last_motion = last_motion_event[othercamera];

    now = time.time()

    if now - last_motion > light_delay:
      for light in cameras[camera]:
        self.turn_off(light)