'use strict';

const moment = require('moment')

async function alarmConfirmLog(ctx, confirmPost, content) {
    try {
        const { models } = ctx.fs.dc;
        const { clickHouse } = ctx.app.fs;
        //存日志
        let logDatas = [];
        confirmPost.map(cp => {
            let { pepUserId, projectCorrelationIds, alarmInfo } = cp;
            projectCorrelationIds.map(id => {
                logDatas.push({
                    pepUserId,
                    projectCorrelationId: id,
                    alarmInfo,//包含告警id,type,source
                    confirmTime: moment().format(),
                    confirmContent: content
                })
            })
        })
        let rslt = await models.AlarmConfirmLog.bulkCreate(logDatas, { returning: true });

        //存最新动态
        let dynamics = rslt.map(r => {
            return {
                time: r.confirmTime,
                alarmConfirmId: r.id,
                projectCorrelationId: r.projectCorrelationId,
                type: 4//告警确认
            }
        })
        await models.LatestDynamicList.bulkCreate(dynamics);

        //消息推送到前端
        if (logDatas.length) {
            await sendConfirmToWeb(ctx.app, models, clickHouse, logDatas, false);
        }
    } catch (error) {
        ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
        ctx.status = 400;
        ctx.body = {
            message: typeof error == 'string' ? error : undefined
        }
    }
}

let constAlarmGroups = {
    1: '数据中断',
    2: '数据异常',
    3: '策略命中',
    4: '设备异常',
    5: '设备异常',
    'video': '视频异常',
    'app': '应用异常'
}
async function sendAppearToWeb(app, models, clickHouse, datas, ttype) {
    try {
        //告警类型
        let alarmGroup = null

        //项目信息
        let { projects, pepProjects } = await getProjectsInfo(models, clickHouse, datas);

        //数据类区分alarmGroup
        if (ttype == 'data') {
            let alarm_group = await clickHouse.anxinyun.query(
                `SELECT alarm_group FROM t_alarm_code WHERE code='${datas[0].alarmInfo.alarmTypeCode}'`).toPromise();

            alarmGroup = alarm_group.length ? constAlarmGroups[alarm_group[0].alarm_group] : null
        } else {
            alarmGroup = constAlarmGroups[ttype]
        }

        let sendData = []
        datas.map(ld => {
            let pepPId = projects.find(p => p.id == ld.projectCorrelationId).pepProjectId;
            sendData.push({
                projectCorrelationId: ld.projectCorrelationId,
                project: projects.find(p => p.id == ld.projectCorrelationId).name || pepProjects.find(pp => pp.id == pepPId).project_name,//前者为自定义项目名称
                source: ld.alarmInfo.sourceName,
                type: ld.type,
                time: ld.time,
                alarmGroup//告警类型
            })
        })
        app.socket.emit('alarmSendSocket', { type: 'alarmAppear', sendData })
    } catch (err) {
        console.log(`告警(发现)推送失败, error: ${err}`);
    }
}

async function getProjectsInfo(models, clickHouse, logDatas) {
    try {
        let pIds = logDatas.map(l => l.projectCorrelationId);//所有的项目的id
        let projects = await models.ProjectCorrelation.findAll({
            where: { id: { $in: pIds } },
            attributes: ['id', 'name', 'pepProjectId']
        });

        let pepPojectIds = new Set();
        for (let p of projects) {
            pepPojectIds.add(p.pepProjectId);
        }

        let pepProjects = pepPojectIds.size ? await clickHouse.projectManage.query(`
          SELECT id, project_name FROM t_pim_project WHERE id IN (${[...pepPojectIds]})`).toPromise() : [];

        return { projects, pepProjects };
    } catch (err) {
        console.log(`获取项目信息失败, error: ${err}`);
    }
}
async function sendConfirmToWeb(app, models, clickHouse, logDatas, isAuto) {
    try {
        //用户信息
        let userName = null
        if (!isAuto) {
            let userPepRes = await clickHouse.pepEmis.query(
                `SELECT DISTINCT user.id AS id, "user"."name" AS name FROM user WHERE user.id=${logDatas[0].pepUserId}`).toPromise();
            userName = userPepRes.length ? userPepRes[0].name : null
        }

        //项目信息
        let { projects, pepProjects } = await getProjectsInfo(models, clickHouse, logDatas);
        let sendData = []
        logDatas.map(ld => {
            let pepPId = projects.find(p => p.id == ld.projectCorrelationId).pepProjectId;
            sendData.push({
                user: userName,
                projectCorrelationId: ld.projectCorrelationId,
                project: projects.find(p => p.id == ld.projectCorrelationId).name || pepProjects.find(pp => pp.id == pepPId).project_name,//前者为自定义项目名称
                source: ld.alarmInfo.source,
                type: ld.alarmInfo.type,
                time: ld.confirmTime,
                isAuto//是否为自动恢复,自动恢复时user为null
            })
        })
        app.socket.emit('alarmSendSocket', { type: 'alarmConfirm', sendData })//小飞(处理人) 确认并关闭了A项目(项目) DTU设备(告警源) 状态异常(异常类型)的问题
    } catch (err) {
        console.log(`告警(确认)推送失败, error: ${err}`);
    }
}

module.exports = {
    alarmConfirmLog,
    sendAppearToWeb,//推送告警发现
    sendConfirmToWeb//推送告警确认
};