/*
  Account is a User's single Circuit
 */
const mongoose = require('mongoose').set('debug', process.env.DEBUG);
const Schema = mongoose.Schema;

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

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

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

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

const AccountSchema = new Schema({
  _id: {
    type: Number,
  },
  idapp: {
    type: String,
  },
  username: {
    type: String,
  },
  circuitId: {  // ----- REF TO Circuit
    type: Number,
  },
  name: {
    type: String,
  },
  deperibile: {
    type: Boolean,
  },
  fidoConcesso: {
    type: Number,
  },
  qta_maxConcessa: {
    type: Number,
  },
  importo_iniziale: {
    type: Number,
  },
  saldo: {
    type: Number,
  },
  deleted: {
    type: Boolean,
    default: false,
  },
  date_created: {
    type: Date,
    default: Date.now,
  },
  date_updated: {
    type: Date,
  },
});

AccountSchema.statics.findAllIdApp = async function(idapp) {
  const Account = this;

  const myfind = {idapp, deleted: false};

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

AccountSchema.pre('save', async function(next) {
  if (this.isNew) {
    const myrec = await Account.findOne().limit(1).sort({_id: -1});
    if (!!myrec) {
      if (myrec._doc._id === 0)
        this._id = 1;
      else
        this._id = myrec._doc._id + 1;

    } else {
      this._id = 1;
    }
  }

  next();
});

AccountSchema.statics.getFieldsForSearch = function() {
  return [
    {field: 'name', type: tools.FieldType.string},
  ];

};

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


AccountSchema.statics.getAccountsByUsername = async function(idapp, username) {
  const Account = this;

  if (username === undefined)
    return false;

  const myquery = {
    'idapp': idapp,
    'username': username,
  };

  return await Account.find(myquery).lean();

};
AccountSchema.statics.getUserAccounts = async function(idapp, username) {

  try {
    let aggr1 = [
      {
        $match: {idapp, username},
      },
      {
        $lookup: {
          from: 'circuits',
          localField: 'circuitId',
          foreignField: '_id',
          as: 'circuit',
        },
      },
      {
        '$replaceRoot': {
          'newRoot': {
            '$mergeObjects': [
              {
                '$arrayElemAt': [
                  '$circuit',
                  0,
                ],
              },
              '$$ROOT',
            ],
          },
        },
      },
        /*
      {
        $project: {
          "circuit.name": 1,
        },
      },

         */
    ];

    ris = await this.aggregate(aggr1);

    return ris;
  }catch (e) {
    console.error('e', e);
  }

};

AccountSchema.statics.addtoSaldo = async function(id, amount) {
  const Account = this;

  if (!id)
    return false;

  const myaccount = await Account.findById(id);
  if (myaccount) {
    myaccount.saldo = myaccount.saldo + amount;
    myaccount.date_updated = new Date();
    return await myaccount.save();

  }

  return null;
};

AccountSchema.statics.getAccountByUsernameAndCircuitId = async function(idapp, username, circuitId, createifnotexist) {
  const Account = this;

  const {Circuit} = require('../models/circuit');

  if (username === undefined)
    return false;

  const myquery = {
    'idapp': idapp,
    'username': username,
    circuitId,
  };

  const mycircuit = await Circuit.getCircuitById(circuitId);

  let myaccount = await Account.findOne(myquery).lean();

  if (!myaccount && createifnotexist) {
    myaccount = new Account({
      idapp,
      username,
      circuitId,
      deperibile: false,
      fidoConcesso: mycircuit.fido_scoperto_default,
      qta_maxConcessa: mycircuit.qta_max_default,
      importo_iniziale: 0,
      saldo: 0,
    });

    return await myaccount.save();
  }

  return myaccount;

};


const Account = mongoose.model('Account', AccountSchema);

module.exports = {Account};