From b3e124bac8e90cbb9f7d28933fcf92e4ed474f8f Mon Sep 17 00:00:00 2001
From: Sebastian Muszynski <s.muszynski@constructiva.de>
Date: Sun, 1 Apr 2018 19:31:22 +0200
Subject: [PATCH] Air Quality Monitor: Decrease the brightness at night
 (Closes: #283)

---
 miio/airqualitymonitor.py            | 73 +++++++++++++++++++++++++---
 miio/tests/test_airqualitymonitor.py | 11 ++++-
 2 files changed, 76 insertions(+), 8 deletions(-)

diff --git a/miio/airqualitymonitor.py b/miio/airqualitymonitor.py
index ac3c20555..fa0800671 100644
--- a/miio/airqualitymonitor.py
+++ b/miio/airqualitymonitor.py
@@ -1,13 +1,19 @@
+from datetime import timedelta
 import logging
 from collections import defaultdict
 
-from .device import Device
+from .device import Device, DeviceException
 
 _LOGGER = logging.getLogger(__name__)
 
 
+class AirQualityMonitorException(DeviceException):
+    pass
+
+
 class AirQualityMonitorStatus:
     """Container of air quality monitor status."""
+
     def __init__(self, data):
         # {'power': 'on', 'aqi': 34, 'battery': 100, 'usb_state': 'off', 'time_state': 'on'}
         self.data = data
@@ -38,30 +44,53 @@ def battery(self) -> int:
         return self.data["battery"]
 
     @property
-    def time_state(self) -> bool:
-        """Current time state."""
+    def display_clock(self) -> bool:
+        """Display a clock instead the AQI."""
         return self.data["time_state"] == "on"
 
+    @property
+    def night_mode(self) -> bool:
+        """Return True if the night mode is on."""
+        return self.data["night_state"] == "on"
+
+    @property
+    def night_time_begin(self) -> str:
+        """Return the begin of the night time."""
+        return self.data["night_beg_time"]
+
+    @property
+    def night_time_end(self) -> str:
+        """Return the end of the night time."""
+        return self.data["night_end_time"]
+
+    @property
+    def sensor_state(self) -> str:
+        """Sensor state."""
+        return self.data["sensor_state"]
+
     def __repr__(self) -> str:
         s = "<AirQualityMonitorStatus power=%s, " \
             "aqi=%s, " \
             "battery=%s, " \
             "usb_power=%s, " \
-            "time_state=%s>" % \
+            "display_clock=%s>" % \
             (self.power,
              self.aqi,
              self.battery,
              self.usb_power,
-             self.time_state)
+             self.display_clock)
         return s
 
 
 class AirQualityMonitor(Device):
     """Xiaomi PM2.5 Air Quality Monitor."""
+
     def status(self) -> AirQualityMonitorStatus:
         """Return device status."""
 
-        properties = ['power', 'aqi', 'battery', 'usb_state', 'time_state']
+        properties = ['power', 'aqi', 'battery', 'usb_state', 'time_state',
+                      'night_state', 'night_beg_time', 'night_end_time',
+                      'sensor_state']
 
         values = self.send(
             "get_prop",
@@ -86,3 +115,35 @@ def on(self):
     def off(self):
         """Power off."""
         return self.send("set_power", ["off"])
+
+    def set_display_clock(self, display_clock: bool):
+        """Enable/disable displaying a clock instead the AQI."""
+        if display_clock:
+            self.send("set_time_state", ["on"])
+        else:
+            self.send("set_time_state", ["off"])
+
+    def set_auto_close(self, auto_close: bool):
+        """Purpose unknown."""
+        if auto_close:
+            self.send("set_auto_close", ["on"])
+        else:
+            self.send("set_auto_close", ["off"])
+
+    def set_night_mode(self, night_mode: bool):
+        """Decrease the brightness of the display."""
+        if night_mode:
+            self.send("set_night_state", ["on"])
+        else:
+            self.send("set_night_state", ["off"])
+
+    def set_night_time(self, begin_hour: int, begin_minute: int,
+                       end_hour: int, end_minute: int):
+        """Enable night mode daily at bedtime."""
+        begin = begin_hour * 3600 + begin_minute * 60
+        end = end_hour * 3600 + end_minute * 60
+
+        if begin < 0 or begin > 86399 or end < 0 or end > 86399:
+            AirQualityMonitorException("Begin or/and end time invalid.")
+
+        self.send("set_night_time", [begin, end])
diff --git a/miio/tests/test_airqualitymonitor.py b/miio/tests/test_airqualitymonitor.py
index f89f7ad92..11fe312e2 100644
--- a/miio/tests/test_airqualitymonitor.py
+++ b/miio/tests/test_airqualitymonitor.py
@@ -14,11 +14,17 @@ def __init__(self, *args, **kwargs):
             'aqi': 34,
             'battery': 100,
             'usb_state': 'off',
-            'time_state': 'on'
+            'time_state': 'on',
+            'night_state': 'on',
+            'night_beg_time': 'format unknown',
+            'night_end_time': 'format unknown',
+            'sensor_state': 'format unknown',
         }
         self.return_values = {
             'get_prop': self._get_state,
             'set_power': lambda x: self._set_state("power", x),
+            'set_time_state': lambda x: self._set_state("time_state", x),
+            'set_night_state': lambda x: self._set_state("night_state", x),
         }
         super().__init__(args, kwargs)
 
@@ -60,4 +66,5 @@ def test_status(self):
         assert self.state().aqi == self.device.start_state["aqi"]
         assert self.state().battery == self.device.start_state["battery"]
         assert self.state().usb_power is (self.device.start_state["usb_state"] == 'on')
-        assert self.state().time_state is (self.device.start_state["time_state"] == 'on')
+        assert self.state().display_clock is (self.device.start_state["time_state"] == 'on')
+        assert self.state().night_mode is (self.device.start_state["night_state"] == 'on')