/*
  Account is a User's single Circuit
 */
const mongoose = require('mongoose').set('debug', false);
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: String,
    default: function () {
      return new ObjectID().toString()
    }
  },
  idapp: {
    type: String,
  },
  username: {
    type: String,
  },
  circuitId: {  // ----- REF TO Circuit
    type: String,
  },
  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) {
      this._id = new ObjectID().toString()
  }

  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.methods.addtoSaldo = async function(amount) {
  const account = this;

  if (account) {
    account.saldo = account.saldo + amount;
    account.date_updated = new Date();
    return await account.save();
  }

  return null;
};

AccountSchema.pre('save', async function(next) {
  if (this.isNew) {
    this.date_created = new Date();
  }

  next();
});

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

  try {

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

    if (username === undefined)
      return false;

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

    if (circuitId) {
      myquery.circuitId = circuitId;
    }
    if (circuitName) {
      myquery.circuitName = circuitName;
    }

    let mycircuit;
    if (circuitId)
      mycircuit = await Circuit.getCircuitById(circuitId);
    else
      mycircuit = await Circuit.findOne({name: circuitName});


    if (mycircuit) {
      let myaccount = await Account.findOne(myquery);

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

        return await myaccount.save();
      }

      return myaccount;
    }
    return null;

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

};

AccountSchema.statics.createAccount = async function(idapp, username, circuitName) {

  return await Account.getAccountByUsernameAndCircuitId(idapp, username, {circuitName}, true);

};

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

  try {
    let aggr1 = [
      {
        $match: {idapp, username},
      },
      {
        $lookup: {
          from: 'circuits',
          localField: 'circuitId',
          foreignField: '_id',
          as: 'circuit',
        },
      },
      {$unwind: '$circuit'},
    ];

    ris = await this.aggregate(aggr1);

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

};

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

module.exports = {Account};