const mongoose = require('mongoose');
const Schema = mongoose.Schema;

const tools = require('../tools/general');

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


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

const NewstosentSchema = new Schema({
  idapp: {
    type: String,
  },
  label: {
    type: String,
  },
  activate: {
    type: Boolean,
    default: false
  },
  numemail_tot: {
    type: Number,
    default: 0
  },
  numemail_sent: {
    type: Number,
    default: 0
  },
  datetoSent: {
    type: Date
  },
  datestartJob: {
    type: Date
  },
  datefinishJob: {
    type: Date
  },
  lastemailsent_Job: {
    type: Date
  },
  starting_job: {
    type: Boolean,
    default: false
  },
  finish_job: {
    type: Boolean,
    default: false
  },
  error_job: {
    type: String,
  }
});

NewstosentSchema.statics.getFieldsForSearch = function () {
  return ['name', 'surname', 'email']
};

NewstosentSchema.statics.executeQueryTable = function (idapp, params) {
  params.fieldsearch = this.getFieldsForSearch();
  return tools.executeQueryTable(this, idapp, params);
};

NewstosentSchema.statics.findNewsletter_To_Send = function (idapp) {
  const Newstosent = this;

  return Newstosent.findOne({
    datetoSent: { $gte: tools.IncDateNow(-1000 * 60 * 60) },
    activate: true,
    starting_job: false,
    finish_job: false,
    idapp
  }).then((rec) => {
    return (rec) ? rec._doc : null;
  });
};

NewstosentSchema.statics.findNewsletterPending_To_Send = function (idapp) {
  const Newstosent = this;

  // Resend the Email after N hours no other email sent.
  const numhours = 8;

  return Newstosent.findOne({
    datestartJob: { $lt: tools.IncDateNow(0) },
    activate: true,
    starting_job: true,
    finish_job: false,
    lastemailsent_Job: { $gte: tools.IncDateNow(-1000 * 60 * 60 * numhours) },
    idapp
  }).then((rec) => {
    return (rec) ? rec._doc : null;
  });
};

NewstosentSchema.statics.findAllIdApp = function (idapp) {
  const Newstosent = this;

  const myfind = { idapp };

  // Extract only the Teacher where in the users table the field permissions is set 'Teacher' bit.

  return Newstosent.find(myfind, (err, arrrec) => {
    return arrrec
  });
};

const Newstosent = mongoose.model('Newstosent', NewstosentSchema);

module.exports = { Newstosent };