from typing import List, Optional, Union
from pydantic import AnyHttpUrl, PostgresDsn, computed_field
from pydantic_settings import BaseSettings, SettingsConfigDict

class Settings(BaseSettings):
    PROJECT_NAME: str = "Auteur AI"
    API_V1_STR: str = "/api/v1"
    
    # CORS
    BACKEND_CORS_ORIGINS: List[AnyHttpUrl] = []

    # Database
    POSTGRES_USER: str = "postgres"
    POSTGRES_PASSWORD: str = "postgres"
    POSTGRES_SERVER: str = "db"
    POSTGRES_PORT: int = 5432
    POSTGRES_DB: str = "auteur"

    @computed_field
    @property
    def DATABASE_URL(self) -> str:
        return f"postgresql+asyncpg://{self.POSTGRES_USER}:{self.POSTGRES_PASSWORD}@{self.POSTGRES_SERVER}:{self.POSTGRES_PORT}/{self.POSTGRES_DB}"

    # MinIO
    MINIO_ENDPOINT: str = "minio:9000"
    MINIO_ACCESS_KEY: str = "minioadmin"
    MINIO_SECRET_KEY: str = "minioadmin"
    MINIO_BUCKET: str = "auteur-assets"
    
    # Redis
    REDIS_URL: str = "redis://redis:6379/0"
    
    # OpenAI
    OPENAI_API_BASE: str
    OPENAI_API_KEY: str
    OPENAI_MODEL: str = "gemini-2.0-flash-exp"

    model_config = SettingsConfigDict(case_sensitive=True, env_file=".env", extra="ignore")

settings = Settings()