module.exports = function (app, opts) {
   async function getGbCameraLevel3ByStreamId ({ streamId }) {
      const { models } = app.fs.dc
      if (!streamId) {
         let errMsg = '参数错误'
         throw errMsg
      }

      const streamIdArr = [streamId]

      const findChild = async (streamIdArr) => {
         const childRes = await models.GbCamera.findAll({
            where: {
               parent: { $in: streamIdArr },
            }
         })
         if (!childRes.length || childRes.some(c => c.level == 2)) {
            return childRes
         } else {
            const nextLevelStreamIds = childRes.map(level => level.streamid)
            return findChild(nextLevelStreamIds)
         }
      }

      const cameraRes = await findChild(streamIdArr)

      return cameraRes
   }

   async function verifyYingshiInfo ({ serialNo } = {}) {
      const { varifyYingshiBelongSecretBySerialNo } = app.fs.utils
      const beloneSecret = await varifyYingshiBelongSecretBySerialNo(serialNo)
      if (!beloneSecret) {
         let errMsg = '请联系管理员核验或新增萤石云权限'
         throw errMsg
      }
      return beloneSecret
   }

   async function verifyIpcInfo ({ serialNo } = {}) {
      const { models } = app.fs.dc
      const gbCameraRes = await models.GbCamera.findOne({
         where: {
            streamid: serialNo,
            // ipctype: 'ipc'
         }
      })
      if (!gbCameraRes) {
         let errMsg = '没有找到已接入的 IPC 服务信息'
         throw errMsg
      }
      return gbCameraRes.dataValues
   }

   async function verifyCascadeInfo ({ sip } = {}) {
      const { models } = app.fs.dc
      const gbCameraRes = await models.GbCamera.findOne({
         where: {
            sipip: sip,
            level: 0,
            ipctype: '级联'
         }
      })
      if (!gbCameraRes) {
         let errMsg = '没有找到已接入的级联摄像头服务信息'
         throw errMsg
      }
      return gbCameraRes.dataValues
   }

   return {
      getGbCameraLevel3ByStreamId,
      verifyYingshiInfo,
      verifyIpcInfo,
      verifyCascadeInfo,
   }
}