package com.zy.asrs.task.handler;

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.zy.asrs.entity.InventoryReserve;
import com.zy.asrs.entity.InventoryReserveLog;
import com.zy.asrs.service.InventoryReserveLogService;
import com.zy.asrs.service.InventoryReserveService;
import com.zy.asrs.task.AbstractHandler;
import com.zy.asrs.task.core.ReturnT;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * 预留库存过期处理器
 * 将过期的预留库存转移到日志表
 */
@Slf4j
@Service
public class InventoryReserveExpireHandler extends AbstractHandler<String> {

    @Autowired
    private InventoryReserveService inventoryReserveService;

    @Autowired
    private InventoryReserveLogService inventoryReserveLogService;

    @Transactional(rollbackFor = Exception.class)
    public ReturnT<String> start() {
        // 查询过期的预留库存（过期时间不为空且小于当前时间）
        Date now = new Date();
        List<InventoryReserve> expiredList = inventoryReserveService.selectList(
                new EntityWrapper<InventoryReserve>()
                        .isNotNull("expire_time")
                        .lt("expire_time", now));

        if (expiredList.isEmpty()) {
            return SUCCESS;
        }

        log.info("发现 {} 条过期的预留库存记录", expiredList.size());

        for (InventoryReserve reserve : expiredList) {
            try {
                // 转移到日志表
                InventoryReserveLog logRecord = getInventoryReserveLog(reserve);

                inventoryReserveLogService.insert(logRecord);

                // 删除原记录
                inventoryReserveService.deleteById(reserve.getId());

                log.info("预留库存过期处理完成: id={}, matnr={}, batch={}",
                        reserve.getId(), reserve.getMatnr(), reserve.getBatch());

            } catch (Exception e) {
                log.error("预留库存过期处理失败: id={}, error={}", reserve.getId(), e.getMessage());
            }
        }

        return SUCCESS;
    }

    private static InventoryReserveLog getInventoryReserveLog(InventoryReserve reserve) {
        InventoryReserveLog logRecord = new InventoryReserveLog();
        logRecord.setMatnr(reserve.getMatnr());
        logRecord.setMaktx(reserve.getMaktx());
        logRecord.setOrderNo(reserve.getOrderNo());
        logRecord.setBatch(reserve.getBatch());
        logRecord.setQuantity(reserve.getQuantity());
        logRecord.setExpireTime(reserve.getExpireTime());
        logRecord.setDeptId(reserve.getDeptId());
        logRecord.setCreateTime(reserve.getCreateTime());
        logRecord.setCreateBy(reserve.getCreateBy());
        logRecord.setUpdateTime(new Date());
        return logRecord;
    }

}