const mongoose = require('mongoose').set('debug', false);
const Schema = mongoose.Schema;

mongoose.Promise = global.Promise;
mongoose.level = 'F';

const {ObjectID} = require('mongodb');

// Resolving error Unknown modifier: $pushAll
mongoose.plugin(schema => {
  schema.options.usePushEach = true;
});

const sendNotifSchema = new Schema({
  idapp: {
    type: String,
  },
  type: {
    type: Number,
  },
  sender: {  // mittente
    type: String,
  },
  dest: {
    type: String,
  },
  descr: {
    type: String,
  },
  link: {
    type: String,
  },
  datenotif: {
    type: Date,
  },
  status: {
    type: Number,
  },
  read: {
    type: Boolean,
    default: false,
  },
  deleted: {
    type: Boolean,
    default: false,
  },

});

sendNotifSchema.statics.setNotifAsRead = function(idapp, username, idnotif) {
  const SendNotif = this;

  try {


    if (idnotif) {
      return SendNotif.findOneAndUpdate({
        $and: [
          {idapp},
          {dest: username},
          {'_id': idnotif},
        ],
        $or: [
          {deleted: {$exists: false}},
          {deleted: {$exists: true, $eq: false}}],

      }, {$set: {read: true}}, {new: false}).then((ret) => {
        return !!ret;
      }).catch((err) => {
        console.error('err', err);
      });
    }
  }catch (e) {
    return false;
  }
};

sendNotifSchema.statics.findAllNotifByUsernameIdAndIdApp = function(username, lastdataread, idapp) {
  const SendNotif = this;

  return SendNotif.find({
    $and: [
      {idapp},
      {'dest': username},
      {'datenotif': {$gt: new Date(lastdataread)}},
    ],
  }).lean().sort({datenotif: -1}).then((arrnotif) => {
    console.log('arrnotif', arrnotif.length);
    return arrnotif;
  }).catch((err) => {
    console.error('err', err);
  });

};

sendNotifSchema.statics.findLastGroupByUserIdAndIdApp = function(username, idapp) {
  const SendNotif = this;

  return SendNotif.aggregate([
    {
      $match: {
        idapp,
        dest: username,
      },
    },
    {
      $group:
          {
            _id: '$dest',
            descr: {$last: '$message'},
            datenotif: {$last: '$datenotif'},
            read: {$last: '$read'},
          },

    },
    {
      $sort: {datenotif: -1},
    },
  ]).then((arrnotif) => {
    // Remove duplicate
    // Exclude my chat
    const myarr = arrnotif.filter((ris) => ris._id !== username);
    // console.table(myarr);
    return myarr;

  }).catch((err) => {
    console.error(err);
  });

};

const SendNotif = mongoose.model('SendNotif', sendNotifSchema);

module.exports = {SendNotif: SendNotif};