package cn.iocoder.yudao.module.erp.service.purchase.listener;

import cn.iocoder.yudao.module.bpm.api.event.BpmProcessInstanceStatusEvent;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestDO;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestMapper;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
import cn.iocoder.yudao.module.erp.service.purchase.ErpPurchaseRequestService;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;

/**
 * 采购申请审批的结果监听器实现类
 *
 * 通过 businessKey（采购申请ID）匹配，而不是固定的流程定义 Key，
 * 这样可以支持分类下任意 Key 的流程模型。
 *
 * @author 芋道源码
 */
@Component
@Slf4j
public class ErpPurchaseRequestStatusListener implements ApplicationListener<BpmProcessInstanceStatusEvent> {

    @Resource
    private ErpPurchaseRequestService purchaseRequestService;
    @Resource
    private ErpPurchaseRequestMapper purchaseRequestMapper;

    @Override
    public void onApplicationEvent(BpmProcessInstanceStatusEvent event) {
        // 通过 businessKey 查询采购申请单
        Long requestId;
        try {
            requestId = Long.parseLong(event.getBusinessKey());
        } catch (NumberFormatException e) {
            return; // businessKey 不是数字，忽略
        }

        ErpPurchaseRequestDO request = purchaseRequestMapper.selectById(requestId);
        if (request == null) {
            return; // 不是采购申请，忽略
        }

        // 只有审批中状态的申请单才处理
        if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(request.getStatus())) {
            log.warn("[onApplicationEvent] 采购申请单({}) 不处于审批中状态，当前状态: {}", requestId, request.getStatus());
            return;
        }

        log.info("[onApplicationEvent] 采购申请单({}) 审批状态更新: {}", requestId, event.getStatus());
        // 更新审批状态
        purchaseRequestService.updatePurchaseRequestAuditStatus(requestId, event.getStatus());
    }

}