# ================================================================
# FORECASTING SERVICE CONFIGURATION  
# services/forecasting/app/core/config.py
# ================================================================

"""
Forecasting service configuration
Demand prediction and forecasting
"""

from shared.config.base import BaseServiceSettings
import os

class ForecastingSettings(BaseServiceSettings):
    """Forecasting service specific settings"""
    
    # Service Identity
    APP_NAME: str = "Forecasting Service"
    SERVICE_NAME: str = "forecasting-service"
    DESCRIPTION: str = "Demand prediction and forecasting service"
    
    # Database Configuration
    DATABASE_URL: str = os.getenv("FORECASTING_DATABASE_URL",
                                  "postgresql+asyncpg://forecasting_user:forecasting_pass123@forecasting-db:5432/forecasting_db")
    
    # Redis Database (dedicated for prediction cache)
    REDIS_DB: int = 2
    
    # Prediction Configuration
    MAX_FORECAST_DAYS: int = int(os.getenv("MAX_FORECAST_DAYS", "30"))
    MIN_HISTORICAL_DAYS: int = int(os.getenv("MIN_HISTORICAL_DAYS", "60"))
    PREDICTION_CONFIDENCE_THRESHOLD: float = float(os.getenv("PREDICTION_CONFIDENCE_THRESHOLD", "0.8"))
    
    # Caching Configuration
    PREDICTION_CACHE_TTL_HOURS: int = int(os.getenv("PREDICTION_CACHE_TTL_HOURS", "6"))
    FORECAST_BATCH_SIZE: int = int(os.getenv("FORECAST_BATCH_SIZE", "100"))
    
    # Real-time Forecasting
    REALTIME_FORECASTING_ENABLED: bool = os.getenv("REALTIME_FORECASTING_ENABLED", "true").lower() == "true"
    FORECAST_UPDATE_INTERVAL_HOURS: int = int(os.getenv("FORECAST_UPDATE_INTERVAL_HOURS", "6"))
    
    # Business Rules for Spanish Bakeries
    BUSINESS_HOUR_START: int = 7  # 7 AM
    BUSINESS_HOUR_END: int = 20   # 8 PM
    WEEKEND_ADJUSTMENT_FACTOR: float = float(os.getenv("WEEKEND_ADJUSTMENT_FACTOR", "0.8"))
    HOLIDAY_ADJUSTMENT_FACTOR: float = float(os.getenv("HOLIDAY_ADJUSTMENT_FACTOR", "0.5"))
    
    # Weather Impact Modeling
    WEATHER_IMPACT_ENABLED: bool = os.getenv("WEATHER_IMPACT_ENABLED", "true").lower() == "true"
    TEMPERATURE_THRESHOLD_COLD: float = float(os.getenv("TEMPERATURE_THRESHOLD_COLD", "10.0"))
    TEMPERATURE_THRESHOLD_HOT: float = float(os.getenv("TEMPERATURE_THRESHOLD_HOT", "30.0"))
    RAIN_IMPACT_FACTOR: float = float(os.getenv("RAIN_IMPACT_FACTOR", "0.7"))
    
    # Alert Thresholds
    HIGH_DEMAND_THRESHOLD: float = float(os.getenv("HIGH_DEMAND_THRESHOLD", "1.5"))
    LOW_DEMAND_THRESHOLD: float = float(os.getenv("LOW_DEMAND_THRESHOLD", "0.5"))
    STOCKOUT_RISK_THRESHOLD: float = float(os.getenv("STOCKOUT_RISK_THRESHOLD", "0.9"))

settings = ForecastingSettings()