Split config.py into multiple files (#14038)

* Replace logging.warn with logging.warning

* Install config global state early

* Split config.py into more manageable pieces

frigate/config/camera/motion.py

@@ -0,0 +1,44 @@
+from typing import Any, Optional, Union
+
+from pydantic import Field, field_serializer
+
+from ..base import FrigateBaseModel
+
+__all__ = ["MotionConfig"]
+
+
+class MotionConfig(FrigateBaseModel):
+    enabled: bool = Field(default=True, title="Enable motion on all cameras.")
+    threshold: int = Field(
+        default=30,
+        title="Motion detection threshold (1-255).",
+        ge=1,
+        le=255,
+    )
+    lightning_threshold: float = Field(
+        default=0.8, title="Lightning detection threshold (0.3-1.0).", ge=0.3, le=1.0
+    )
+    improve_contrast: bool = Field(default=True, title="Improve Contrast")
+    contour_area: Optional[int] = Field(default=10, title="Contour Area")
+    delta_alpha: float = Field(default=0.2, title="Delta Alpha")
+    frame_alpha: float = Field(default=0.01, title="Frame Alpha")
+    frame_height: Optional[int] = Field(default=100, title="Frame Height")
+    mask: Union[str, list[str]] = Field(
+        default="", title="Coordinates polygon for the motion mask."
+    )
+    mqtt_off_delay: int = Field(
+        default=30,
+        title="Delay for updating MQTT with no motion detected.",
+    )
+    enabled_in_config: Optional[bool] = Field(
+        default=None, title="Keep track of original state of motion detection."
+    )
+    raw_mask: Union[str, list[str]] = ""
+
+    @field_serializer("mask", when_used="json")
+    def serialize_mask(self, value: Any, info):
+        return self.raw_mask
+
+    @field_serializer("raw_mask", when_used="json")
+    def serialize_raw_mask(self, value: Any, info):
+        return None