from pydantic_settings import BaseSettings, SettingsConfigDict
from functools import lru_cache


class Settings(BaseSettings):
    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")

    # App
    app_url: str = "http://localhost:3000"
    environment: str = "development"
    secret_key: str = "dev-secret-change-in-production"

    # Database
    db_host: str = "localhost"
    db_port: int = 5432
    db_name: str = "pdf_accessibility"
    db_user: str = "pdf_accessibility"
    db_password: str = "changeme"

    @property
    def database_url(self) -> str:
        return f"postgresql+asyncpg://{self.db_user}:{self.db_password}@{self.db_host}:{self.db_port}/{self.db_name}"

    @property
    def sync_database_url(self) -> str:
        return f"postgresql://{self.db_user}:{self.db_password}@{self.db_host}:{self.db_port}/{self.db_name}"

    # Supabase Auth
    supabase_url: str = ""
    supabase_anon_key: str = ""
    supabase_service_role_key: str = ""
    supabase_jwt_secret: str = ""

    # Redis / Celery
    redis_url: str = "redis://localhost:6379/0"

    # Storage (MinIO / S3)
    storage_endpoint: str = "http://localhost:9000"
    storage_access_key: str = "minioadmin"
    storage_secret_key: str = "minioadmin"
    storage_bucket: str = "pdf-pages"

    # AI Providers
    anthropic_api_key: str = ""
    google_api_key: str = ""
    google_application_credentials: str = ""

    # Stripe
    stripe_secret_key: str = ""
    stripe_webhook_secret: str = ""
    stripe_price_pro: str = ""
    stripe_price_business: str = ""

    # File retention
    retention_hours: int = 24
    results_retention_hours: int = 720


@lru_cache
def get_settings() -> Settings:
    return Settings()