From 04a53264b427c37ba4f39fd1811d31aa50941e33 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Metrich?=
 <45318189+FredM67@users.noreply.github.com>
Date: Sat, 26 Sep 2026 16:37:31 +0200
Subject: [PATCH] [mk2pvrouter] Add text_sensor platform (#19720)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
---
 .../mk2pvrouter/text_sensor/__init__.py       | 27 +++++++++++++++++++
 .../text_sensor/mk2pvrouter_text_sensor.cpp   | 17 ++++++++++++
 .../text_sensor/mk2pvrouter_text_sensor.h     | 15 +++++++++++
 tests/components/mk2pvrouter/common.yaml      | 12 +++++++++
 .../mk2pvrouter_text_sensor_test.cpp          | 21 +++++++++++++++
 5 files changed, 92 insertions(+)
 create mode 100644 esphome/components/mk2pvrouter/text_sensor/__init__.py
 create mode 100644 esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.cpp
 create mode 100644 esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.h
 create mode 100644 tests/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor_test.cpp

diff --git a/esphome/components/mk2pvrouter/text_sensor/__init__.py b/esphome/components/mk2pvrouter/text_sensor/__init__.py
new file mode 100644
index 0000000000..11689f8bc7
--- /dev/null
+++ b/esphome/components/mk2pvrouter/text_sensor/__init__.py
@@ -0,0 +1,27 @@
+import esphome.codegen as cg
+from esphome.components import text_sensor
+from esphome.const import CONF_ID, CONF_TAG
+from esphome.types import ConfigType
+
+from .. import (
+    CONF_MK2PVROUTER_ID,
+    MK2PVROUTER_LISTENER_SCHEMA,
+    mk2pvrouter_ns,
+    register_mk2pvrouter_listener,
+)
+
+Mk2PVRouterTextSensor = mk2pvrouter_ns.class_(
+    "Mk2PVRouterTextSensor", text_sensor.TextSensor, cg.Component
+)
+
+CONFIG_SCHEMA = text_sensor.text_sensor_schema(Mk2PVRouterTextSensor).extend(
+    MK2PVROUTER_LISTENER_SCHEMA
+)
+
+
+async def to_code(config: ConfigType) -> None:
+    var = cg.new_Pvariable(config[CONF_ID], config[CONF_TAG])
+    await cg.register_component(var, config)
+    await text_sensor.register_text_sensor(var, config)
+    mk2pvrouter = await cg.get_variable(config[CONF_MK2PVROUTER_ID])
+    await register_mk2pvrouter_listener(mk2pvrouter, var)
diff --git a/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.cpp b/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.cpp
new file mode 100644
index 0000000000..4aea2ef7fc
--- /dev/null
+++ b/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.cpp
@@ -0,0 +1,17 @@
+#include "mk2pvrouter_text_sensor.h"
+#include "esphome/core/log.h"
+
+namespace esphome::mk2pvrouter {
+
+static const char *const TAG = "mk2pvrouter_text_sensor";
+
+Mk2PVRouterTextSensor::Mk2PVRouterTextSensor(const char *tag) : Mk2PVRouterListener(tag) {}
+
+void Mk2PVRouterTextSensor::publish_val(const char *val) { this->publish_state(val); }
+
+void Mk2PVRouterTextSensor::dump_config() {
+  LOG_TEXT_SENSOR("  ", "Mk2PVRouter Text Sensor", this);
+  ESP_LOGCONFIG(TAG, "  Tag: %s", this->get_tag());
+}
+
+}  // namespace esphome::mk2pvrouter
diff --git a/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.h b/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.h
new file mode 100644
index 0000000000..590c67005c
--- /dev/null
+++ b/esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "esphome/components/mk2pvrouter/mk2pvrouter.h"
+#include "esphome/components/text_sensor/text_sensor.h"
+
+namespace esphome::mk2pvrouter {
+
+class Mk2PVRouterTextSensor final : public Mk2PVRouterListener, public text_sensor::TextSensor, public Component {
+ public:
+  explicit Mk2PVRouterTextSensor(const char *tag);
+  void publish_val(const char *val) override;
+  void dump_config() override;
+};
+
+}  // namespace esphome::mk2pvrouter
diff --git a/tests/components/mk2pvrouter/common.yaml b/tests/components/mk2pvrouter/common.yaml
index c96f1404b8..c3efb85196 100644
--- a/tests/components/mk2pvrouter/common.yaml
+++ b/tests/components/mk2pvrouter/common.yaml
@@ -66,3 +66,15 @@ binary_sensor:
     name: Relay 2 Binary
     tag: R2
     mk2pvrouter_id: test_mk2pvrouter
+
+text_sensor:
+  - platform: mk2pvrouter
+    name: S per MC
+    tag: S_MC
+    mk2pvrouter_id: test_mk2pvrouter
+
+  # Test another text tag
+  - platform: mk2pvrouter
+    name: Status
+    tag: STATUS
+    mk2pvrouter_id: test_mk2pvrouter
diff --git a/tests/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor_test.cpp b/tests/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor_test.cpp
new file mode 100644
index 0000000000..666797906b
--- /dev/null
+++ b/tests/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor_test.cpp
@@ -0,0 +1,21 @@
+#include <gtest/gtest.h>
+
+#include "esphome/components/mk2pvrouter/text_sensor/mk2pvrouter_text_sensor.h"
+
+namespace esphome::mk2pvrouter::testing {
+
+TEST(Mk2PVRouterTextSensorTest, PublishesValueVerbatim) {
+  Mk2PVRouterTextSensor sensor("S_MC");
+  sensor.publish_val("-1234");
+  ASSERT_TRUE(sensor.has_state());
+  EXPECT_EQ(sensor.get_state(), "-1234");
+}
+
+TEST(Mk2PVRouterTextSensorTest, ShorterValueReplacesPreviousOne) {
+  Mk2PVRouterTextSensor sensor("S_MC");
+  sensor.publish_val("-1234");
+  sensor.publish_val("5");
+  EXPECT_EQ(sensor.get_state(), "5");
+}
+
+}  // namespace esphome::mk2pvrouter::testing