# app/config.py
import os
from typing import List
import secrets
from dotenv import load_dotenv

# 加载环境变量
load_dotenv()

class Settings:
    # 项目配置
    PROJECT_NAME: str = os.getenv("PROJECT_NAME", "CaiYouHui 采油会")
    VERSION: str = os.getenv("VERSION", "1.0.0")

    # API配置
    API_V1_PREFIX: str = os.getenv("API_V1_PREFIX", "/api/v1")
    APP_RUN_PORT: int = int(os.getenv("APP_RUN_PORT", "10003"))
    
    # 安全配置
    SECRET_KEY: str = os.getenv("SECRET_KEY", secrets.token_urlsafe(32))
    ALGORITHM: str = os.getenv("ALGORITHM", "HS256")
    ACCESS_TOKEN_EXPIRE_MINUTES: int = int(os.getenv("ACCESS_TOKEN_EXPIRE_MINUTES", "1440"))  # 24小时
    
    # 数据库配置 - SQLite
    DATABASE_URL: str = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./caiyouhui.db")

    # CORS 配置
    BACKEND_CORS_ORIGINS: List[str] = os.getenv(
        "BACKEND_CORS_ORIGINS", 
        "http://localhost:3000,http://localhost:5173"
    ).split(",")
    
    # 调试模式
    DEBUG: bool = os.getenv("DEBUG", "True").lower() == "true"

    # 日志配置
    LOG_LEVEL: str = os.getenv("LOG_LEVEL", "INFO")
    LOG_FILE: str = os.getenv("LOG_FILE", "logs/app.log")

    # 文件上传
    UPLOAD_DIR: str = os.getenv("UPLOAD_DIR", "./uploads")
    MAX_UPLOAD_SIZE: int = int(os.getenv("MAX_UPLOAD_SIZE", "10485760"))  # 10MB

    # 性能配置
    DATABASE_POOL_SIZE: int = 20
    DATABASE_MAX_OVERFLOW: int = 10

    # 邮箱验证（可选，后续添加）
    SMTP_ENABLED: bool = os.getenv("SMTP_ENABLED", "False").lower() == "true"
    SMTP_HOST: str = os.getenv("SMTP_HOST", "afanai.top")
    SMTP_PORT: int = int(os.getenv("SMTP_PORT", "587"))
    SMTP_USER: str = os.getenv("SMTP_USER", "caoyuheng@afanai.top")
    SMTP_PASSWORD: str = os.getenv("SMTP_PASSWORD", "111111")
    EMAILS_FROM_EMAIL: str = os.getenv("EMAILS_FROM_EMAIL", "caoyuheng@afanai.top")
    EMAILS_FROM_NAME: str = os.getenv("EMAILS_FROM_NAME", "CAI_YOU")

settings = Settings()