'use strict';
const moment = require('moment');

async function groupList (ctx) {
   try {
      const { models } = ctx.fs.dc;
      const { clickHouse } = ctx.app.fs

      const groupRes = await clickHouse.anxinyun.query(`
         SELECT * FROM t_alarm_group
      `).toPromise();

      for (let g of groupRes) {
         g.unit = await await clickHouse.anxinyun.query(`
         SELECT * FROM t_alarm_group_unit WHERE group_id = ${g.id}
         `).toPromise();
      }

      ctx.status = 200;
      ctx.body = groupRes
   } catch (error) {
      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
      ctx.status = 400;
      ctx.body = {
         message: typeof error == 'string' ? error : undefined
      }
   }
}

async function list (ctx) {
   try {
      const { models } = ctx.fs.dc;
      const { clickHouse } = ctx.app.fs
      const { utils: { judgeSuper, anxinStrucIdRange } } = ctx.app.fs
      const { database: anxinyun } = clickHouse.anxinyun.opts.config

      const { pepProjectId, keywordTarget, keyword, groupId, groupUnitId, sustainTimeStart, sustainTimeEnd, limit, page, } = ctx.query

      let anxinStruc = await anxinStrucIdRange({
         ctx, pepProjectId, keywordTarget, keyword
      })
      let whereOption = []
      // TODO: 1 开发临时增加
      if (anxinStruc.length || 1) {
         const anxinStrucIds = anxinStruc.map(a => a.strucId)
         // TODO: 开发临时注释
         // whereOption.push(`alarms.StructureId IN (${anxinStrucIds.join(",")})`)

         if (groupId) {
            whereOption.push(`alarms.AlarmGroup IN (${groupId})`)
         }
         if (groupUnitId) {
            whereOption.push(`alarms.AlarmGroupUnit=${groupUnitId}`)
         }
         if (sustainTimeStart && sustainTimeEnd) {
            let momentStart = moment(sustainTimeStart).format()
            let momentEnd = moment(sustainTimeEnd).format()
            whereOption.push(`
               (
                  alarms."StartTime"
                     BETWEEN '${momentStart}' AND '${momentEnd}' 
                     OR 
                     "alarms"."EndTime" BETWEEN '${momentStart}' AND '${momentEnd}' 
                     OR (
                        "alarms"."StartTime" <= '${momentStart}' 
                        AND 
                        "alarms"."EndTime" >= '${momentEnd}'
                     )
               )
            `)
         }
         if (keywordTarget == 'source' && keyword) {
            whereOption.push(`SourceName LIKE '%${keyword}%'`)
         }

         const alarmRes = await clickHouse.dataAlarm.query(`
            SELECT 
               alarms.AlarmId AS AlarmId, 
               alarms.State AS State, 
               SourceName, StartTime, EndTime, 
               alarms.CurrentLevel AS CurrentLevel, 
               SourceTypeId, 
               AlarmAdviceProblem, AlarmGroup, AlarmGroupUnit, AlarmAdviceProblem,
               alarms.StructureId AS StructureId,
               ${anxinyun}.t_structure.name AS StructureName,
               ${anxinyun}.t_alarm_code.name AS AlarmCodeName,
               AlarmContent
            FROM 
               alarms 
            LEFT JOIN ${anxinyun}.t_structure 
               ON ${anxinyun}.t_structure.id = alarms.StructureId
            LEFT JOIN ${anxinyun}.t_alarm_code
               ON ${anxinyun}.t_alarm_code.code = alarms.AlarmTypeCode
            ${whereOption.length ? 'WHERE ' + whereOption.join(' AND ') : ''}
            ORDER BY alarms.StartTime DESC
            ${limit ? 'LIMIT ' + limit : ''}
            ${limit && page ? 'OFFSET ' + parseInt(limit) * parseInt(page) : ''}
         `).toPromise();

         const confirmedAlarm = alarmRes
            // TODO: 开发临时注释
            // .filter(ar => ar.State && ar.State > 2)
            .map(ar => "'" + ar.AlarmId + "'")
         const confirmedAlarmDetailMax = confirmedAlarm.length ?
            await clickHouse.dataAlarm.query(`
               SELECT 
                  max(Time) AS Time,AlarmId
               FROM 
                  alarm_details
               WHERE
                  AlarmId IN (${confirmedAlarm.join(',')})
               GROUP BY AlarmId
            `).toPromise() :
            [];

         // State = 3 是 自动恢复 / 4 是 人工恢复 / 其他数字 是 需要恢复
         // state = 2 是 等级提升 / 1 是持续产生 / 0 是首次产生
         // SourceType   0: 'DTU' / 1: '传感器' / 2: '测点'

         alarmRes.forEach(ar => {
            ar.pepProject = (anxinStruc.find(as => as.strucId == ar.StructureId) ||
            {

               pepProject: [
                  // TODO: 开发临时添加
                  {
                     id: 999,
                     projectName: '这是假的开发の数据，看到请拨打110',
                     isdelete: 0,
                     constructionStatusId: 1,
                     constructionStatus: '建设中',
                  }
               ]
            }).pepProject

            let corConfirmedData = (confirmedAlarmDetailMax.find(cdm => cdm.AlarmId == ar.AlarmId) || {});
            if (corConfirmedData.AlarmState && corConfirmedData.AlarmState > 2) {

            } else {
               corConfirmedData = {}
            }
            ar.confirmedContent = 'corConfirmedData.Content'
            ar.confirmedTime = 'corConfirmedData.Time'
         })
         ctx.body = alarmRes
      } else {
         ctx.body = []
      }
      ctx.status = 200;
   } catch (error) {
      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
      ctx.status = 400;
      ctx.body = {
         message: typeof error == 'string' ? error : undefined
      }
   }
}

async function detail (ctx) {
   try {
      const { models } = ctx.fs.dc;
      const { clickHouse } = ctx.app.fs
      const { alarmId } = ctx.query

      const detailRes = await clickHouse.dataAlarm.query(`
         SELECT * FROM alarm_details WHERE AlarmId = '${alarmId}' ORDER BY Time ASC
      `).toPromise()

      ctx.status = 200;
      ctx.body = detailRes
   } catch (error) {
      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
      ctx.status = 400;
      ctx.body = {
         message: typeof error == 'string' ? error : undefined
      }
   }
}

function confirm (opts) {
   return async function (ctx) {
      try {
         const { models } = ctx.fs.dc;
         const { utils: { kfkSendAsync } } = ctx.app.fs
         const { clickHouse } = ctx.app.fs
         const { content = '', alarmId } = ctx.request.body
         // 发送告警恢复通知
         // Topic: alarm
         /*
          *  {
          *      messageMode: "AlarmManElimination",
          *      sourceId: "",
          *      alarmTypeCode: "",
          *      sponsor: userId，
          *      content: "确认消息"，
          *      time: "YYYY-MM-DDTHH:mm:ss.SSSZ"
          *  }
         */

         const alarmRes = await clickHouse.dataAlarm.query(`
            SELECT * FROM alarms WHERE AlarmId = '${alarmId}'
         `).toPromise();

         if (!alarmRes.length) {
            throw '没有查询到对应的告警信息'
         }

         const [corAlarm] = alarmRes
         if ([3, 4].some(s => s == corAlarm.State)) {
            throw '告警信息已确认'
         }
         const message = {
            messageMode: "AlarmManElimination",
            sourceId: corAlarm.SourceId,
            alarmTypeCode: corAlarm.AlarmTypeCode,
            sponsor: opts.anxinCloud.confirmAlarmAnxinUserId,
            content: content,
            time: moment().toISOString()
         };

         const payloads = [{
            topic: `${opts.kafka.topicPrefix}_alarm`,
            messages: [JSON.stringify(message)],
            partition: 0
         }];

         await kfkSendAsync(payloads)

         ctx.status = 204;
      } catch (error) {
         ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
         ctx.status = 400;
         ctx.body = {
            message: typeof error == 'string' ? error : undefined
         }
      }
   }
}


async function detailAggregation (ctx) {
   try {
      const { models } = ctx.fs.dc;
      const { alarmId } = ctx.query
      const { clickHouse } = ctx.app.fs

      const alarmDetailAggRes = await clickHouse.dataAlarm.query(`
         SELECT 
            formatDateTime(Time,'%F %H') hours, count(AlarmId) count 
         FROM 
            alarm_details 
         WHERE 
            AlarmId='${alarmId}'
         GROUP BY 
            hours;  
      `).toPromise();

      ctx.status = 200;
      ctx.body = alarmDetailAggRes
   } catch (error) {
      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
      ctx.status = 400;
      ctx.body = {
         message: typeof error == 'string' ? error : undefined
      }
   }
}

async function alarmCount (ctx) {
   try {
      const { models } = ctx.fs.dc;
      const { clickHouse } = ctx.app.fs

      const alarmUnconfirmedAggRes = await clickHouse.dataAlarm.query(`
         SELECT count(AlarmId) count, AlarmGroup from alarms GROUP BY AlarmGroup;
      `).toPromise();

      ctx.status = 200;
      ctx.body = alarmUnconfirmedAggRes
   } catch (error) {
      ctx.fs.logger.error(`path: ${ctx.path}, error: error`);
      ctx.status = 400;
      ctx.body = {
         message: typeof error == 'string' ? error : undefined
      }
   }
}

module.exports = {
   list,
   detail,
   groupList,
   confirm,
   detailAggregation,
   alarmCount,
};