Initial commit: Complete Paw Burn Risk Assessment Tool with WeatherAPI integration, comprehensive risk scoring, SQLite storage, rich visualizations, configurable parameters, and full documentation with examples

config.py

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+"""Configuration management for paw burn risk assessment."""
+
+import os
+from dotenv import load_dotenv
+from dataclasses import dataclass
+from typing import Optional
+
+# Load environment variables
+load_dotenv()
+
+@dataclass
+class RiskConfig:
+    """Configuration for risk assessment parameters."""
+    temp_threshold_low: float = 80.0
+    temp_threshold_med: float = 90.0
+    temp_threshold_high: float = 100.0
+    
+    uv_threshold_low: float = 6.0
+    uv_threshold_med: float = 8.0
+    uv_threshold_high: float = 10.0
+    
+    risk_threshold_shoes: float = 6.0
+    rolling_window_hours: int = 2
+    surface_recovery_hours: int = 2
+    
+    @classmethod
+    def from_env(cls) -> 'RiskConfig':
+        """Create configuration from environment variables."""
+        return cls(
+            temp_threshold_low=float(os.getenv('TEMP_THRESHOLD_LOW', 80)),
+            temp_threshold_med=float(os.getenv('TEMP_THRESHOLD_MED', 90)),
+            temp_threshold_high=float(os.getenv('TEMP_THRESHOLD_HIGH', 100)),
+            uv_threshold_low=float(os.getenv('UV_THRESHOLD_LOW', 6)),
+            uv_threshold_med=float(os.getenv('UV_THRESHOLD_MED', 8)),
+            uv_threshold_high=float(os.getenv('UV_THRESHOLD_HIGH', 10)),
+            risk_threshold_shoes=float(os.getenv('RISK_THRESHOLD_SHOES', 6)),
+            rolling_window_hours=int(os.getenv('ROLLING_WINDOW_HOURS', 2)),
+            surface_recovery_hours=int(os.getenv('SURFACE_RECOVERY_HOURS', 2))
+        )
+
+@dataclass
+class AppConfig:
+    """Main application configuration."""
+    weather_api_key: str
+    default_location: str = "New York"
+    database_path: str = "paw_risk.db"
+    risk_config: RiskConfig = None
+    
+    def __post_init__(self):
+        if self.risk_config is None:
+            self.risk_config = RiskConfig.from_env()
+    
+    @classmethod
+    def from_env(cls) -> 'AppConfig':
+        """Create configuration from environment variables."""
+        api_key = os.getenv('WEATHER_API_KEY')
+        if not api_key:
+            raise ValueError("WEATHER_API_KEY environment variable is required")
+        
+        return cls(
+            weather_api_key=api_key,
+            default_location=os.getenv('DEFAULT_LOCATION', 'New York'),
+            database_path=os.getenv('DATABASE_PATH', 'paw_risk.db'),
+            risk_config=RiskConfig.from_env()
+        )
+
+# Global configuration instance
+config = None
+
+def get_config() -> AppConfig:
+    """Get the global configuration instance."""
+    global config
+    if config is None:
+        config = AppConfig.from_env()
+    return config