Fix invalid min and max color temp in bad ZHA light devices (#81604)

* Fix ZHA default color temps

* update test

homeassistant/components/zha/core/channels/lighting.py

@@ -98,12 +98,26 @@ class ColorChannel(ZigbeeChannel):
     @property
     def min_mireds(self) -> int:
         """Return the coldest color_temp that this channel supports."""
-        return self.cluster.get("color_temp_physical_min", self.MIN_MIREDS)
+        min_mireds = self.cluster.get("color_temp_physical_min", self.MIN_MIREDS)
+        if min_mireds == 0:
+            self.warning(
+                "[Min mireds is 0, setting to %s] Please open an issue on the quirks repo to have this device corrected",
+                self.MIN_MIREDS,
+            )
+            min_mireds = self.MIN_MIREDS
+        return min_mireds
 
     @property
     def max_mireds(self) -> int:
         """Return the warmest color_temp that this channel supports."""
-        return self.cluster.get("color_temp_physical_max", self.MAX_MIREDS)
+        max_mireds = self.cluster.get("color_temp_physical_max", self.MAX_MIREDS)
+        if max_mireds == 0:
+            self.warning(
+                "[Max mireds is 0, setting to %s] Please open an issue on the quirks repo to have this device corrected",
+                self.MAX_MIREDS,
+            )
+            max_mireds = self.MAX_MIREDS
+        return max_mireds
 
     @property
     def hs_supported(self) -> bool:

tests/components/zha/test_light.py

@@ -242,7 +242,9 @@ async def eWeLink_light(hass, zigpy_device_mock, zha_device_joined):
     color_cluster = zigpy_device.endpoints[1].light_color
     color_cluster.PLUGGED_ATTR_READS = {
         "color_capabilities": lighting.Color.ColorCapabilities.Color_temperature
-        | lighting.Color.ColorCapabilities.XY_attributes
+        | lighting.Color.ColorCapabilities.XY_attributes,
+        "color_temp_physical_min": 0,
+        "color_temp_physical_max": 0,
     }
     zha_device = await zha_device_joined(zigpy_device)
     zha_device.available = True
@@ -1192,6 +1194,8 @@ async def test_transitions(
     assert eWeLink_state.state == STATE_ON
     assert eWeLink_state.attributes["color_temp"] == 235
     assert eWeLink_state.attributes["color_mode"] == ColorMode.COLOR_TEMP
+    assert eWeLink_state.attributes["min_mireds"] == 153
+    assert eWeLink_state.attributes["max_mireds"] == 500
 
 
 async def async_test_on_off_from_light(hass, cluster, entity_id):