package com.zy.asrs.task.handler;

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.core.common.Cools;
import com.zy.asrs.entity.InventoryReserve;
import com.zy.asrs.entity.InventoryReserveLog;
import com.zy.asrs.entity.OrderPakout;
import com.zy.asrs.service.InventoryReserveLogService;
import com.zy.asrs.service.InventoryReserveService;
import com.zy.asrs.service.OrderPakoutService;
import com.zy.asrs.task.AbstractHandler;
import com.zy.asrs.task.core.ReturnT;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
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
 * 转历史条件：
 * 1. 过期时间不为空且已过期
 * 2. 订单号不为空且订单状态为作业中(1)或已完成(2)
 */
@Slf4j
@Service
public class InventoryReserveExpireHandler extends AbstractHandler<String> {

    @Autowired
    private InventoryReserveService inventoryReserveService;

    @Autowired
    private InventoryReserveLogService inventoryReserveLogService;

    @Autowired
    private OrderPakoutService orderPakoutService;

    @Transactional(rollbackFor = Exception.class)
    public ReturnT<String> start() {
        Date now = new Date();

        // 查询所有预留库存记录
        List<InventoryReserve> allReserves = inventoryReserveService.selectList(new EntityWrapper<>());

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

        int processedCount = 0;
        for (InventoryReserve reserve : allReserves) {
            try {
                boolean shouldArchive = false;
                String archiveReason = null;

                // 条件1：过期时间不为空且已过期
                if (reserve.getExpireTime() != null && reserve.getExpireTime().before(now)) {
                    shouldArchive = true;
                    archiveReason = "已过期";
                }

                // 条件2：订单号不为空且订单状态为作业中或已完成
                if (!shouldArchive && !Cools.isEmpty(reserve.getOrderNo())) {
                    OrderPakout order = orderPakoutService.selectOne(
                            new EntityWrapper<OrderPakout>().eq("order_no", reserve.getOrderNo()));
                    if (null != order) {
                        if (order.getSettle() != 1) {
                            shouldArchive = true;
                            archiveReason =  "订单不为待处理状态";
                        }
                    }
                }

                if (shouldArchive) {
                    // 转移到日志表
                    InventoryReserveLog logRecord = new InventoryReserveLog();
                    BeanUtils.copyProperties(reserve, logRecord);
                    logRecord.setMemo(archiveReason);
                    inventoryReserveLogService.insert(logRecord);

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

                    log.info("预留库存转历史完成: id={}, matnr={}, batch={}, 原因={}",
                            reserve.getId(), reserve.getMatnr(), reserve.getBatch(), archiveReason);
                    processedCount++;
                }

            } catch (Exception e) {
                log.error("预留库存转历史失败: id={}, error={}", reserve.getId(), e.getMessage());
            }
        }

        if (processedCount > 0) {
            log.info("本次共处理 {} 条预留库存转历史记录", processedCount);
        }

        return SUCCESS;
    }

}