package cn.iocoder.yudao.module.research.service.application.listener;

import cn.iocoder.yudao.module.bpm.api.event.BpmProcessInstanceStatusEvent;
import cn.iocoder.yudao.module.bpm.api.event.BpmProcessInstanceStatusEventListener;
import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum;
import cn.iocoder.yudao.module.research.service.application.ResearchApplicationService;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

/**
 * 课题申报书审批状态监听器
 *
 * 监听 BPM 流程实例状态变更事件，更新申报书的审批状态，并在审批通过后生成立项编号
 */
@Component
@Slf4j
public class ResearchApplicationStatusListener extends BpmProcessInstanceStatusEventListener {

    private static final String PROCESS_DEFINITION_KEY = "research_topic_approve";

    @Resource
    private ResearchApplicationService applicationService;

    @Override
    protected String getProcessDefinitionKey() {
        return PROCESS_DEFINITION_KEY;
    }

    @Override
    protected void onEvent(BpmProcessInstanceStatusEvent event) {
        Long applicationId;
        try {
            applicationId = Long.parseLong(event.getBusinessKey());
        } catch (NumberFormatException e) {
            log.warn("[onEvent] businessKey({}) 不是有效的课题申报书编号", event.getBusinessKey());
            return;
        }

        log.info("[onEvent] 收到BPM审批事件，applicationId={}, status={}", applicationId, event.getStatus());

        // 1. 更新申报书审批状态
        try {
            applicationService.updateApplicationAuditStatus(applicationId, event.getStatus());
            log.info("[onEvent] 课题申报书({}) 审批状态更新完成", applicationId);
        } catch (Exception e) {
            log.error("[onEvent] 更新课题申报书审批状态失败，applicationId={}", applicationId, e);
            return;
        }

        // 2. 审批通过后生成立项编号与立项时间
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(event.getStatus())) {
            try {
                applicationService.approveApplication(applicationId);
                log.info("[onEvent] 课题申报书({}) 审批通过，立项编号生成完成", applicationId);
            } catch (Exception e) {
                log.error("[onEvent] 课题申报书({}) 审批通过后生成立项编号失败", applicationId, e);
            }
        }
    }

}