"""全局配置 — 硬编码,个人工具不依赖 .env。"""
from __future__ import annotations

from pathlib import Path

from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=None,  # 不读取 .env
        extra="ignore",
    )

    # 数据源 API Key(个人工具直接写死;如分享代码请改为空字符串或从环境变量注入)
    tickflow_api_key: str = "tk_94a20304993f45b5b0e376b9767597cc"

    # AI(可选,留空即关闭)
    ai_provider: str = "openai_compat"
    ai_base_url: str = "https://api.deepseek.com/v1"
    ai_api_key: str = ""
    ai_model: str = "deepseek-chat"
    ai_daily_token_budget: int = 500_000

    # Server
    host: str = "0.0.0.0"
    port: int = 3018
    log_level: str = "INFO"
    backtest_range_guard: bool = False

    # 访问门控:留空则不启用,部署时通过 ACCESS_UUID 环境变量注入
    # 优先级:ADMIN_TOKEN > 动态 UUID > ACCESS_UUID
    access_uuid: str = ""
    # 管理员初始令牌,硬编码以便开箱即用;如需更安全可改为空字符串并从环境变量 ADMIN_TOKEN 注入
    admin_token: str = "admin7226132"

    # 路径 — 硬编码为 Docker 容器内路径,确保数据持久化
    data_dir: Path = Path("/app/data")
    tiers_yaml: Path = Path("/app/tiers.yaml")
    static_dir: Path = Path("/app/static")

    @property
    def use_free_mode(self) -> bool:
        """是否走 Free 模式。优先看 secrets.json,其次看 .env。"""
        from app import secrets_store
        return not secrets_store.get_tickflow_key()


settings = Settings()
