Initial Commit

custom_components/powercalc/strategy/strategy_interface.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from decimal import Decimal
+
+from homeassistant.core import HomeAssistant, State
+from homeassistant.helpers.event import TrackTemplate
+
+
+class PowerCalculationStrategyInterface:
+    async def initialize(self) -> None:
+        """Initialize the strategy, called once on creation."""
+
+    async def calculate(self, entity_state: State) -> Decimal | None:
+        """Calculate power consumption based on entity state."""
+
+    async def validate_config(self) -> None:
+        """Validate correct setup of the strategy."""
+
+    def get_entities_to_track(self) -> list[str | TrackTemplate]:
+        """Return entities to track for this strategy."""
+        return []
+
+    def can_calculate_standby(self) -> bool:
+        """Return if this strategy can calculate standby power."""
+        return False
+
+    def is_enabled(self, entity_state: State) -> bool:
+        """Return if this strategy is enabled based on entity state."""
+        return True
+
+    async def on_start(self, hass: HomeAssistant) -> None:
+        """Called after HA has started"""