From 063e6c24d39c3ad5ba9b20e9eed143e703b98e4a Mon Sep 17 00:00:00 2001
From: Darsey Litzenberger <dlitz@dlitz.net>
Date: Tue, 14 Oct 2025 03:38:45 -0600
Subject: [PATCH] attach light

---
 components/app_status/app_status.cpp   |  1 +
 components/app_status/app_status.h     |  3 +++
 components/app_status/binary_sensor.py | 11 +++++++++--
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/components/app_status/app_status.cpp b/components/app_status/app_status.cpp
index 47b1a43..b0e7649 100644
--- a/components/app_status/app_status.cpp
+++ b/components/app_status/app_status.cpp
@@ -25,6 +25,7 @@ void AppStatus::dump_config() {
   ESP_LOGCONFIG(TAG, "App status binary sensor");
   ESP_LOGCONFIG(TAG, "  include warnings = %s", TRUEFALSE(this->include_warnings_));
   ESP_LOGCONFIG(TAG, "  include errors = %s", TRUEFALSE(this->include_errors_));
+  ESP_LOGCONFIG(TAG, "  has light = %s", TRUEFALSE(this->light_ != nullptr));
 }
 
 uint8_t AppStatus::get_status_() const {
diff --git a/components/app_status/app_status.h b/components/app_status/app_status.h
index ef5ccf0..8b3067a 100644
--- a/components/app_status/app_status.h
+++ b/components/app_status/app_status.h
@@ -2,6 +2,7 @@
 
 #include "esphome/core/component.h"
 #include "esphome/components/binary_sensor/binary_sensor.h"
+#include "esphome/components/light/light_state.h"
 
 namespace esphome {
 namespace app_status {
@@ -16,11 +17,13 @@ class AppStatus : public binary_sensor::BinarySensor, public Component {
 
   void set_include_errors(bool allow) { this->include_errors_ = allow; }
   void set_include_warnings(bool allow) { this->include_warnings_ = allow; }
+  void set_light(light::LightState *light) { this->light_ = light; }
 
  protected:
   uint8_t last_status_{0xFF};
   bool include_warnings_{true};
   bool include_errors_{true};
+  light::LightState *light_{nullptr};
 
   uint8_t get_status_() const;
   void publish_status_(uint8_t status);
diff --git a/components/app_status/binary_sensor.py b/components/app_status/binary_sensor.py
index 86165e3..c5fbd64 100644
--- a/components/app_status/binary_sensor.py
+++ b/components/app_status/binary_sensor.py
@@ -2,8 +2,8 @@
 # Ref: https://github.com/esphome/starter-components/blob/main/components/empty_binary_sensor/binary_sensor.py
 import esphome.codegen as cg
 import esphome.config_validation as cv
-from esphome.components import binary_sensor
-from esphome.const import CONF_ID
+from esphome.components import binary_sensor, light
+from esphome.const import CONF_ID, CONF_LIGHT_ID
 
 CONF_DETECT_STATUS = "detect_status"
 CONF_WARNING = "warning"
@@ -15,6 +15,7 @@ AppStatus = app_status_ns.class_("AppStatus", binary_sensor.BinarySensor, cg.Com
 CONFIG_SCHEMA = binary_sensor.binary_sensor_schema(AppStatus).extend({
     cv.GenerateID(): cv.declare_id(AppStatus),
     cv.Optional(CONF_DETECT_STATUS, default=[CONF_WARNING, CONF_ERROR]): cv.ensure_list(cv.one_of(CONF_ERROR, CONF_WARNING)),
+    cv.Optional(CONF_LIGHT_ID): cv.use_id(light.LightState),
 }).extend(cv.COMPONENT_SCHEMA)
 
 async def to_code(config):
@@ -22,3 +23,9 @@ async def to_code(config):
     await cg.register_component(var, config)
     cg.add(var.set_include_warnings(CONF_WARNING in config[CONF_DETECT_STATUS]))
     cg.add(var.set_include_errors(CONF_ERROR in config[CONF_DETECT_STATUS]))
+
+    # XXX - we shouldn't set the light directly from here.  Maybe control the light blinking from an output or a light or a switch?
+    #     - or maybe we want to, for convenience
+    if CONF_LIGHT_ID in config:
+        light = await cg.get_variable(config[CONF_LIGHT_ID])
+        cg.add(var.set_light(light));