"""应用配置"""
import os
from pathlib import Path
from pydantic_settings import BaseSettings

# 项目根目录（config.py 位于 backend/app/core/，parent.parent.parent 即 backend/）
PROJECT_ROOT = Path(__file__).resolve().parent.parent.parent


class Settings(BaseSettings):
    APP_NAME: str = "H3C-ONU-MS"
    DEBUG: bool = False
    SECRET_KEY: str

    DATABASE_URL: str
    REDIS_URL: str

    CASDOOR_ENDPOINT: str
    CASDOOR_CLIENT_ID: str
    CASDOOR_CLIENT_SECRET: str
    CASDOOR_ORG_NAME: str
    CASDOOR_APP_NAME: str
    CASDOOR_CERTIFICATE: str = ""  # 支持文件路径或直接填 PEM 内容
    CASDOOR_REDIRECT_URL: str = ""

    SSH_TIMEOUT: int = 30
    CHECK_INTERVAL: int = 1800
    MANUAL_COOLDOWN: int = 300

    # CORS & 前端
    CORS_ORIGINS: str = ""  # 逗号分隔
    FRONTEND_URL: str = "https://onu.dhdx.fun"

    # NTP 同步配置
    NTP_OLD_SERVER: str = "172.16.0.254"
    NTP_NEW_SERVER: str = "172.16.1.252"

    # iMC API 配置（用于 ONU 远程重启和光功率查询）
    IMC_API_URL: str = ""

    # 企业微信应用消息 API（用于发送告警）
    WECHAT_CORPID: str = ""
    WECHAT_CORPSECRET: str = ""
    WECHAT_AGENTID: str = ""
    WECHAT_TOKEN: str = ""
    WECHAT_ENCODING_AES_KEY: str = ""
    WECHAT_USE_PROXY: bool = True
    WECHAT_PROXY_API_URL: str = ""
    IMC_API_USERNAME: str = ""
    IMC_API_PASSWORD: str = ""
    IMC_API_VERIFY_SSL: bool = False
    IMC_CONNECT_TIMEOUT: float = 5.0
    IMC_READ_TIMEOUT: float = 20.0

    class Config:
        env_file = str(PROJECT_ROOT / ".env")

    @property
    def casdoor_cert_content(self) -> str:
        """读取证书文件内容或直接返回证书字符串"""
        cert = self.CASDOOR_CERTIFICATE
        if not cert:
            return ""
        cert_path = Path(cert)
        if cert_path.is_absolute():
            path = cert_path
        else:
            # 相对路径基于项目根目录解析
            path = PROJECT_ROOT / cert
        if path.is_file():
            return path.read_text()
        return cert  # 直接是 PEM 内容


settings = Settings()