"""
Atlas-G Protocol - Configuration
Centralized settings management with environment variable support
"""
import os
from functools import lru_cache
from pydantic import Field
from pydantic_settings import BaseSettings
class Settings(BaseSettings):
"""Application settings loaded from environment variables."""
# ========================================================================
# 🚨 CRITICAL LOCK: DO NOT CHANGE THESE MODEL IDs.
# The Atlas-G Protocol is technically benchmarked ONLY against 3.0 Flash.
# Switching to 2.0 or Pro will break the Governance Layer's logic.
# ========================================================================
model_fast: str = "gemini-3-flash-preview"
model_robust: str = "gemini-3-flash-preview"
# ========================================================================
# Google AI
google_api_key: str = Field(default="", alias="GOOGLE_API_KEY")
google_cloud_project: str = Field(default="atlas-g-protocol", alias="GOOGLE_CLOUD_PROJECT")
# Firestore
firestore_project_id: str = Field(default="atlas-g-protocol", alias="FIRESTORE_PROJECT_ID")
# Server
host: str = Field(default="0.0.0.0", alias="HOST")
port: int = Field(default=8080, alias="PORT")
environment: str = Field(default="development", alias="ENVIRONMENT")
# CORS & Security
allowed_origins: str = Field(
default="http://localhost:3000,http://localhost:8080,https://dev.to,https://*.dev.to",
alias="ALLOWED_ORIGINS"
)
# Resume data path
resume_path: str = Field(default="data/resume.txt", alias="RESUME_PATH")
# Email Notification Config (Resend)
resend_api_key: str = Field(default="", alias="RESEND_API_KEY")
resend_from_email: str = Field(default="onboarding@resend.dev", alias="RESEND_FROM_EMAIL")
notification_email: str = Field(default="", alias="NOTIFICATION_EMAIL")
@property
def allowed_origins_list(self) -> list[str]:
"""Parse comma-separated origins into a list."""
return [origin.strip() for origin in self.allowed_origins.split(",")]
@property
def is_production(self) -> bool:
"""Check if running in production mode."""
return self.environment.lower() == "production"
class Config:
env_file = ".env"
env_file_encoding = "utf-8"
extra = "ignore"
@lru_cache
def get_settings() -> Settings:
"""Get cached settings instance."""
return Settings()
