#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
Modbus配置模型
对应modbus_config表
"""

import datetime
from sqlalchemy import Column, String, Integer, DateTime
from sqlalchemy.dialects.mysql import LONGTEXT
from data.models.base import BaseModel


class VWEDModbusConfig(BaseModel):
    """
    Modbus配置模型
    对应modbus_config表
    功能：存储Modbus通信配置参数，用于PLC等设备的通信连接和数据交换
    """
    __tablename__ = 'modbus_config'

    __table_args__ = {
        'mysql_engine': 'InnoDB',
        'mysql_charset': 'utf8mb4',
        'mysql_collate': 'utf8mb4_general_ci',
        'info': {'order_by': 'create_date DESC'}
    }

    id = Column(String(255), primary_key=True, nullable=False, comment='配置记录ID')
    name = Column(String(255), nullable=False, comment='配置名称')
    ip = Column(String(50), nullable=False, comment='设备IP地址')
    port = Column(Integer, nullable=False, comment='通信端口号')
    slave_id = Column(Integer, nullable=False, comment='从站ID')
    address_type = Column(String(10), nullable=False, comment='地址类型')
    address_number = Column(Integer, nullable=False, comment='地址编号')
    task_id = Column(String(255), comment='任务ID')
    target_value = Column(Integer, comment='目标值')
    remark = Column(String(255), comment='备注')
    create_date = Column(DateTime, default=datetime.datetime.now, comment='创建时间')
    update_date = Column(DateTime, default=datetime.datetime.now, onupdate=datetime.datetime.now, comment='更新时间')
    status = Column(Integer, default=0, comment='状态（1:启用, 0:禁用）')
    tenant_id = Column(String(255), comment='租户ID')
    
    def __repr__(self):
        return f"<VWEDModbusConfig(id='{self.id}', name='{self.name}', ip='{self.ip}', port='{self.port}')>"