"""
AmazingData 数据服务平台 - 配置管理
"""

from pydantic_settings import BaseSettings
from typing import Optional
import os


class Settings(BaseSettings):
    """应用配置"""
    
    # 应用配置
    APP_NAME: str = "AmazingData Platform"
    APP_ENV: str = "development"
    DEBUG: bool = True
    SECRET_KEY: str = "your-secret-key-change-in-production"
    
    # 数据库配置
    DB_HOST: str = "localhost"
    DB_PORT: int = 3306
    DB_USER: str = "root"
    DB_PASSWORD: str = "root123"
    DB_NAME: str = "amazingdata_platform"
    
    # AmazingData SDK 配置
    AMAZING_DATA_USERNAME: str = "11200008169"
    AMAZING_DATA_PASSWORD: str = "11200008169@2026"
    AMAZING_DATA_HOST: str = "140.206.44.234"
    AMAZING_DATA_PORT: int = 8600
    
    # 服务配置
    BACKEND_HOST: str = "0.0.0.0"
    BACKEND_PORT: int = 8000
    FRONTEND_PORT: int = 3000
    
    # 数据配置
    DATA_SAVE_PATH: str = "./data"
    REALTIME_SAVE_DAYS: int = 7
    CACHE_AUTO_SAVE_INTERVAL: int = 60
    MAX_CONCURRENT_TASKS: int = 5
    
    # JWT 配置
    JWT_SECRET_KEY: str = "your-jwt-secret-key"
    JWT_ALGORITHM: str = "HS256"
    JWT_EXPIRE_MINUTES: int = 1440
    
    @property
    def DATABASE_URL(self) -> str:
        """获取数据库连接 URL"""
        return f"mysql+pymysql://{self.DB_USER}:{self.DB_PASSWORD}@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}?charset=utf8mb4"
    
    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"
        case_sensitive = True


# 创建全局配置实例
settings = Settings()


def get_settings() -> Settings:
    """获取配置（用于依赖注入）"""
    return settings