/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.sxkj.fw.device.wrapper;

import org.springblade.core.mp.support.BaseEntityWrapper;
import org.springblade.core.tool.utils.BeanUtil;
import org.sxkj.fw.device.dto.FwDeviceDTO;
import org.sxkj.fw.device.entity.FwDeviceEntity;
import org.sxkj.fw.device.vo.FwDeviceVO;

import java.util.Calendar;
import java.util.Date;
import java.util.Objects;

/**
 * 设备表 包装类,返回视图层所需的字段
 *
 * @author aix
 * @since 2026-01-08
 */
public class FwDeviceWrapper extends BaseEntityWrapper<FwDeviceEntity, FwDeviceVO>  {

	public static FwDeviceWrapper build() {
		return new FwDeviceWrapper();
 	}

	@Override
	public FwDeviceVO entityVO(FwDeviceEntity fwDevice) {
		FwDeviceVO vo = Objects.requireNonNull(BeanUtil.copy(fwDevice, FwDeviceVO.class));
		// 计算维护状态
		vo.setMaintenanceStatus(calculateMaintenanceStatus(fwDevice.getUseDate(), fwDevice.getServiceLife()));
		return vo;
	}

	/**
	 * 计算维护状态
	 *
	 * @param useDate 使用日期
	 * @param serviceLife 使用年限（单位：年）
	 * @return 维护状态：0-否，1-是（一个月内要到使用年限或已过期）
	 */
	private Integer calculateMaintenanceStatus(Date useDate, Integer serviceLife) {
		// 1. 参数校验：如果使用日期或使用年限为空，返回0
		if (useDate == null || serviceLife == null || serviceLife <= 0) {
			return 0;
		}

		// 2. 计算到期日期：使用日期 + 使用年限
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(useDate);
		calendar.add(Calendar.YEAR, serviceLife);
		Date expiryDate = calendar.getTime();

		// 3. 计算当前日期
		Date currentDate = new Date();

		// 4. 如果当前日期已经超过到期日期，返回1（已过期）
		if (currentDate.after(expiryDate)) {
			return 1;
		}

		// 5. 计算距离到期日期的时间差（毫秒）
		long diffInMillis = expiryDate.getTime() - currentDate.getTime();

		// 6. 一个月的毫秒数（按30天计算）
		long oneMonthInMillis = 30L * 24 * 60 * 60 * 1000;

		// 7. 如果距离到期日期在一个月内，返回1；否则返回0
		return diffInMillis <= oneMonthInMillis ? 1 : 0;
	}

	public FwDeviceEntity entityDTO(FwDeviceDTO fwDevice) {
		return Objects.requireNonNull(BeanUtil.copy(fwDevice, FwDeviceEntity.class));
	}

}