package com.mes.device.entity;

import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import com.fasterxml.jackson.annotation.JsonFormat;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.math.BigDecimal;
import java.util.Date;

/**
 * 设备状态实体类
 * 对应数据库表：device_status
 */
@Data
@TableName("device_status")
@ApiModel(value = "设备状态信息")
public class DeviceStatus {

    @ApiModelProperty(value = "记录ID")
    @TableId(value = "id", type = IdType.AUTO)
    private Long id;

    @ApiModelProperty(value = "设备ID（device_config.device_id）", example = "DEVICE_001")
    @TableField("device_id")
    private String deviceId;

    @ApiModelProperty(value = "关联任务ID", example = "TASK_001")
    @TableField("task_id")
    private String taskId;

    @ApiModelProperty(value = "设备状态", example = "ONLINE/OFFLINE/BUSY/ERROR/MAINTENANCE")
    @TableField("status")
    private String status;

    @ApiModelProperty(value = "最后心跳时间")
    @TableField("last_heartbeat")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date lastHeartbeat;

    @ApiModelProperty(value = "CPU使用率(%)")
    @TableField("cpu_usage")
    private BigDecimal cpuUsage;

    @ApiModelProperty(value = "内存使用率(%)")
    @TableField("memory_usage")
    private BigDecimal memoryUsage;

    @ApiModelProperty(value = "PLC连接状态", example = "CONNECTED/DISCONNECTED/ERROR")
    @TableField("plc_connection_status")
    private String plcConnectionStatus;

    @ApiModelProperty(value = "当前操作")
    @TableField("current_operation")
    private String currentOperation;

    @ApiModelProperty(value = "操作进度(0-100)")
    @TableField("operation_progress")
    private BigDecimal operationProgress;

    @ApiModelProperty(value = "告警信息")
    @TableField("alert_message")
    private String alertMessage;

    @ApiModelProperty(value = "记录时间")
    @TableField("created_time")
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
    private Date createdTime;

    // 设备状态常量
    public static final class Status {
        public static final String ONLINE = "ONLINE";           // 在线
        public static final String OFFLINE = "OFFLINE";         // 离线
        public static final String BUSY = "BUSY";               // 忙碌
        public static final String ERROR = "ERROR";             // 错误
        public static final String MAINTENANCE = "MAINTENANCE"; // 维护中
    }

    // PLC连接状态常量
    public static final class PlcConnectionStatus {
        public static final String CONNECTED = "CONNECTED";         // 已连接
        public static final String DISCONNECTED = "DISCONNECTED";   // 未连接
        public static final String ERROR = "ERROR";                 // 连接错误
    }
}