from functools import lru_cache

from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


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

    app_name: str = "财务大模型智能问答客服系统"
    environment: str = "development"
    database_url: str = "sqlite:///./finance_ai.db"
    jwt_secret_key: str = Field(default="dev-secret-change-me")
    jwt_algorithm: str = "HS256"
    jwt_expire_minutes: int = 480
    sms_provider: str = "mock"
    adp_provider: str = "mock"
    storage_provider: str = "local"
    local_storage_dir: str = "./storage"
    allowed_origins: str = "http://localhost:5173,http://127.0.0.1:5173,http://localhost"

    adp_bot_app_key: str = ""
    adp_knowledge_biz_id: str = ""
    adp_endpoint: str = "https://wss.lke.cloud.tencent.com/adp/v2/chat"
    adp_timeout_seconds: int = 120

    tencent_secret_id: str = ""
    tencent_secret_key: str = ""
    tencent_region: str = "ap-guangzhou"

    @property
    def cors_origins(self) -> list[str]:
        return [origin.strip() for origin in self.allowed_origins.split(",") if origin.strip()]


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