Working on refactor

wyoming_satellite/settings.py

@@ -0,0 +1,80 @@
+"""Satellite settings."""
+from abc import ABC
+from dataclasses import dataclass
+from typing import List, Optional
+
+
+@dataclass(frozen=True)
+class ServiceSettings(ABC):
+    uri: Optional[str] = None
+    command: Optional[List[str]] = None
+    reconnect_seconds: float = 3.0
+
+    @property
+    def enabled(self) -> bool:
+        return bool(self.uri or self.command)
+
+
+@dataclass(frozen=True)
+class MicSettings(ServiceSettings):
+    volume_multiplier: float = 1.0
+    auto_gain: int = 0
+    noise_suppression: int = 0
+    rate: int = 16000
+    width: int = 2
+    channels: int = 1
+    samples_per_chunk: int = 1024
+
+    @property
+    def needs_webrtc(self) -> bool:
+        return self.enabled and ((self.auto_gain > 0) or (self.noise_suppression > 0))
+
+    @property
+    def needs_processing(self) -> bool:
+        return self.enabled and ((self.volume_multiplier != 1.0) or self.needs_webrtc)
+
+
+@dataclass(frozen=True)
+class SndSettings(ServiceSettings):
+    volume_multiplier: float = 1.0
+    awake_wav: Optional[str] = None
+    done_wav: Optional[str] = None
+    rate: int = 22050
+    width: int = 2
+    channels: int = 1
+
+    @property
+    def needs_processing(self) -> bool:
+        return self.enabled and (self.volume_multiplier != 1.0)
+
+
+@dataclass(frozen=True)
+class WakeSettings(ServiceSettings):
+    names: Optional[List[str]] = None
+    rate: int = 16000
+    width: int = 2
+    channels: int = 1
+
+
+@dataclass(frozen=True)
+class VadSettings:
+    enabled: bool = False
+    threshold: float = 0.5
+    trigger_level: int = 1
+    buffer_seconds: float = 2.0
+    wake_word_timeout: Optional[float] = 5.0
+
+
+@dataclass(frozen=True)
+class EventSettings(ServiceSettings):
+    streaming_start: Optional[List[str]] = None
+
+
+@dataclass(frozen=True)
+class SatelliteSettings:
+    mic: MicSettings
+    vad: VadSettings
+    wake: WakeSettings
+    snd: SndSettings
+    event: EventSettings
+    restart_timeout: float = 5.0