from pydantic_settings import BaseSettings
from functools import lru_cache
import os


class Settings(BaseSettings):
    # Supabase
    supabase_url: str
    supabase_anon_key: str
    supabase_service_role_key: str

    # LLM - laozhang (gpt-4o, gpt-4o-mini)
    laozhang_base_url: str = "https://api.laozhang.ai/v1"
    laozhang_api_key: str = ""

    # LLM - DashScope (qwen-plus)
    dashscope_base_url: str = "https://dashscope.aliyuncs.com/compatible-mode/v1"
    dashscope_api_key: str = ""

    # LLM - DeepSeek
    deepseek_base_url: str = "https://api.deepseek.com/v1"
    deepseek_api_key: str = ""

    # Google Gemini (official)
    google_gemini_api_key: str = ""

    model_config = {
        "env_file": os.path.join(os.path.dirname(__file__), "../../.env"),
        "env_file_encoding": "utf-8",
        "extra": "ignore",
    }


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