"""
数据库配置
"""
from .base_config import BaseConfig


class DatabaseConfig(BaseConfig):
    """数据库配置类"""
    
    # PostgreSQL配置
    DB_HOST: str = "localhost"
    DB_PORT: int = 5432
    DB_USER: str = "postgres"
    DB_PASSWORD: str = "postgres"
    DB_NAME: str = "test_db"
    
    # 连接池配置
    DB_POOL_SIZE: int = 10
    DB_MAX_OVERFLOW: int = 20
    DB_POOL_TIMEOUT: int = 30
    DB_POOL_RECYCLE: int = 3600
    
    @property
    def DATABASE_URL(self) -> str:
        """构建数据库连接URL"""
        return (
            f"postgresql://{self.DB_USER}:{self.DB_PASSWORD}"
            f"@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"
        )
    
    @property
    def ASYNC_DATABASE_URL(self) -> str:
        """构建异步数据库连接URL"""
        return (
            f"postgresql+asyncpg://{self.DB_USER}:{self.DB_PASSWORD}"
            f"@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"
        )