package com.zksy.api.service;

import com.zksy.api.mapper.AutoWarningClosureMapper;
import com.zksy.api.domain.EarlyWarning;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
import java.util.UUID;

/** 状态和解除轨迹同事务提交；只关闭未发布的自动草稿，不覆盖人工流程。 */
@Service
public class AutoWarningClosureService {
    @Autowired private AutoWarningClosureMapper mapper;

    @Transactional(rollbackFor = Exception.class)
    public void close(String deviceCode, String marker, String reason) {
        EarlyWarning warning = mapper.lockDraft(deviceCode, marker);
        if (warning == null) return;
        LocalDateTime now = LocalDateTime.now();
        if (mapper.closeDraft(warning.getWarningId(), now) != 1)
            throw new IllegalStateException("自动预警状态更新失败");
        if (mapper.insertClosure(UUID.randomUUID().toString().replace("-", ""), warning.getWarningId(),
                reason == null || reason.trim().isEmpty() ? "监测值已恢复，系统自动解除" : reason, now) != 1)
            throw new IllegalStateException("自动解除处置记录保存失败");
    }
}