From 774cbde1b6c6d121a8b2a92a2aa53f79a77f320f Mon Sep 17 00:00:00 2001
From: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
Date: Wed, 20 Mar 2024 10:56:43 +1100
Subject: [PATCH] Show component warnings and errors in the log; (#6400)

---
 esphome/core/component.cpp | 29 +++++++++++++++++++++++------
 esphome/core/component.h   |  8 ++++----
 2 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/esphome/core/component.cpp b/esphome/core/component.cpp
index d737ec0ae3..b9a7697015 100644
--- a/esphome/core/component.cpp
+++ b/esphome/core/component.cpp
@@ -141,18 +141,35 @@ bool Component::is_ready() {
          (this->component_state_ & COMPONENT_STATE_MASK) == COMPONENT_STATE_SETUP;
 }
 bool Component::can_proceed() { return true; }
-bool Component::status_has_warning() { return this->component_state_ & STATUS_LED_WARNING; }
-bool Component::status_has_error() { return this->component_state_ & STATUS_LED_ERROR; }
-void Component::status_set_warning() {
+bool Component::status_has_warning() const { return this->component_state_ & STATUS_LED_WARNING; }
+bool Component::status_has_error() const { return this->component_state_ & STATUS_LED_ERROR; }
+void Component::status_set_warning(const char *message) {
+  // Don't spam the log. This risks missing different warning messages though.
+  if ((this->component_state_ & STATUS_LED_WARNING) != 0)
+    return;
   this->component_state_ |= STATUS_LED_WARNING;
   App.app_state_ |= STATUS_LED_WARNING;
+  ESP_LOGW(this->get_component_source(), "Warning set: %s", message);
 }
-void Component::status_set_error() {
+void Component::status_set_error(const char *message) {
+  if ((this->component_state_ & STATUS_LED_ERROR) != 0)
+    return;
   this->component_state_ |= STATUS_LED_ERROR;
   App.app_state_ |= STATUS_LED_ERROR;
+  ESP_LOGE(this->get_component_source(), "Error set: %s", message);
+}
+void Component::status_clear_warning() {
+  if ((this->component_state_ & STATUS_LED_WARNING) == 0)
+    return;
+  this->component_state_ &= ~STATUS_LED_WARNING;
+  ESP_LOGW(this->get_component_source(), "Warning cleared");
+}
+void Component::status_clear_error() {
+  if ((this->component_state_ & STATUS_LED_ERROR) == 0)
+    return;
+  this->component_state_ &= ~STATUS_LED_ERROR;
+  ESP_LOGE(this->get_component_source(), "Error cleared");
 }
-void Component::status_clear_warning() { this->component_state_ &= ~STATUS_LED_WARNING; }
-void Component::status_clear_error() { this->component_state_ &= ~STATUS_LED_ERROR; }
 void Component::status_momentary_warning(const std::string &name, uint32_t length) {
   this->status_set_warning();
   this->set_timeout(name, length, [this]() { this->status_clear_warning(); });
diff --git a/esphome/core/component.h b/esphome/core/component.h
index deefedf3d8..4f244e5fcb 100644
--- a/esphome/core/component.h
+++ b/esphome/core/component.h
@@ -124,13 +124,13 @@ class Component {
 
   virtual bool can_proceed();
 
-  bool status_has_warning();
+  bool status_has_warning() const;
 
-  bool status_has_error();
+  bool status_has_error() const;
 
-  void status_set_warning();
+  void status_set_warning(const char *message = "unspecified");
 
-  void status_set_error();
+  void status_set_error(const char *message = "unspecified");
 
   void status_clear_warning();