From 3672409179fff6f2a9829265cbea51e47b5704fc Mon Sep 17 00:00:00 2001
From: ndrsnhs <andreas.neuhaus@openwb.de>
Date: Fri, 14 Nov 2025 09:45:00 +0100
Subject: [PATCH] add counter component

---
 .../devices/saxpower/saxpower/config.py       | 14 ++++++
 .../devices/saxpower/saxpower/counter.py      | 47 +++++++++++++++++++
 .../devices/saxpower/saxpower/device.py       | 12 ++++-
 3 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 packages/modules/devices/saxpower/saxpower/counter.py

diff --git a/packages/modules/devices/saxpower/saxpower/config.py b/packages/modules/devices/saxpower/saxpower/config.py
index ba92818059..b34e20f3ab 100644
--- a/packages/modules/devices/saxpower/saxpower/config.py
+++ b/packages/modules/devices/saxpower/saxpower/config.py
@@ -24,6 +24,20 @@ def __init__(self,
         self.configuration = configuration or SaxpowerConfiguration()
 
 
+class SaxpowerCounterConfiguration:
+    def __init__(self):
+        pass
+
+
+class SaxpowerCounterSetup(ComponentSetup[SaxpowerCounterConfiguration]):
+    def __init__(self,
+                 name: str = "Saxpower Zähler",
+                 type: str = "counter",
+                 id: int = 0,
+                 configuration: SaxpowerCounterConfiguration = None) -> None:
+        super().__init__(name, type, id, configuration or SaxpowerCounterConfiguration())
+
+
 class SaxpowerBatConfiguration:
     def __init__(self):
         pass
diff --git a/packages/modules/devices/saxpower/saxpower/counter.py b/packages/modules/devices/saxpower/saxpower/counter.py
new file mode 100644
index 0000000000..7e05815e3d
--- /dev/null
+++ b/packages/modules/devices/saxpower/saxpower/counter.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+from typing import TypedDict, Any
+
+from modules.common.abstract_device import AbstractCounter
+from modules.common.component_state import CounterState
+from modules.common.component_type import ComponentDescriptor
+from modules.common.fault_state import ComponentInfo, FaultState
+from modules.common.modbus import ModbusDataType, ModbusTcpClient_
+from modules.common.simcount import SimCounter
+from modules.common.store import get_counter_value_store
+from modules.devices.saxpower.saxpower.config import SaxpowerCounterSetup
+
+
+class KwargsDict(TypedDict):
+    device_id: int
+    client: ModbusTcpClient_
+    modbus_id: int
+
+
+class SaxpowerCounter(AbstractCounter):
+    def __init__(self, component_config: SaxpowerCounterSetup, **kwargs: Any) -> None:
+        self.component_config = component_config
+        self.kwargs: KwargsDict = kwargs
+
+    def initialize(self) -> None:
+        self.__device_id: int = self.kwargs['device_id']
+        self.client: ModbusTcpClient_ = self.kwargs['client']
+        self.__modbus_id: int = self.kwargs['modbus_id']
+        self.store = get_counter_value_store(self.component_config.id)
+        self.fault_state = FaultState(ComponentInfo.from_component_config(self.component_config))
+        self.sim_counter = SimCounter(self.__device_id, self.component_config.id, prefix="bezug")
+
+    def update(self) -> None:
+        with self.__tcp_client:
+            power = self.__tcp_client.read_holding_registers(48, [ModbusDataType.INT_16]*2, unit=self.__modbus_id)
+            power = power * -1 + 16384
+        imported, exported = self.sim_counter.sim_count(power)
+
+        counter_state = CounterState(
+            imported=imported,
+            exported=exported,
+            power=power
+        )
+        self.store.set(counter_state)
+
+
+component_descriptor = ComponentDescriptor(configuration_factory=SaxpowerCounterSetup)
diff --git a/packages/modules/devices/saxpower/saxpower/device.py b/packages/modules/devices/saxpower/saxpower/device.py
index 6914ac931a..748a30a6df 100644
--- a/packages/modules/devices/saxpower/saxpower/device.py
+++ b/packages/modules/devices/saxpower/saxpower/device.py
@@ -7,7 +7,8 @@
 from modules.common.component_context import SingleComponentUpdateContext
 from modules.common.configurable_device import ComponentFactoryByType, ConfigurableDevice, MultiComponentUpdater
 from modules.devices.saxpower.saxpower.bat import SaxpowerBat
-from modules.devices.saxpower.saxpower.config import Saxpower, SaxpowerBatSetup
+from modules.devices.saxpower.saxpower.counter import SaxpowerCounter
+from modules.devices.saxpower.saxpower.config import Saxpower, SaxpowerBatSetup, SaxpowerCounterSetup
 
 log = logging.getLogger(__name__)
 
@@ -22,7 +23,13 @@ def create_bat_component(component_config: SaxpowerBatSetup):
                            client=client,
                            modbus_id=device_config.configuration.modbus_id)
 
-    def update_components(components: Iterable[SaxpowerBat]):
+    def create_counter_component(component_config: SaxpowerCounterSetup):
+        return SaxpowerCounter(component_config,
+                               device_id=device_config.id,
+                               client=client,
+                               modbus_id=device_config.configuration.modbus_id)
+
+    def update_components(components: Iterable[SaxpowerBat, SaxpowerCounter]):
         nonlocal client
         with client:
             for component in components:
@@ -38,6 +45,7 @@ def initializer():
         initializer=initializer,
         component_factory=ComponentFactoryByType(
             bat=create_bat_component,
+            counter=create_counter_component
         ),
         component_updater=MultiComponentUpdater(update_components)
     )