mongoose = require('mongoose').set('debug', false)
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 productInfoSchema = new Schema({
  idapp: {
    type: String,
  },
  department: {
    type: String, ref: 'Department'
  },
  code: {
    type: String,
    unique: true,
    required: true,
  },
  codice_EAN: {
    type: String,
  },
  barcode: {
    type: String,
  },
  name: {
    type: String,
  },
  description: {
    type: String,
  },
  idCatProds: [{ type: Schema.Types.ObjectId, ref: 'CatProd' }],
  color: {
    type: String
  },
  size: {
    type: String
  },
  weight: {
    type: Number
  },
  vegan: {
    type: Boolean
  },
  unit: {
    type: Number,
    default: 0,
  },
  icon: {
    type: String,
  },
  img: {
    type: String,
  },
  link: {
    type: String,
  },
  img2: {
    type: String,
  },
  img3: {
    type: String,
  },
  ingredienti: {
    type: String,
  },
  valori_nutrizionali: {
    type: String,
  },
  note: {
    type: String,
  },

});

var productInfo = module.exports = mongoose.model('ProductInfo', productInfoSchema);

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

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

module.exports.findAllIdApp = async function (idapp, code, id) {
  let myfind = {};
  let myqueryadd = {};
  let query = [];

  try {

    if (idapp)
      myfind = { idapp };

    if (code) {
      myfind = { ...myfind, code }
    }
    if (id) {
      myqueryadd = {
        $addFields: {
          myId1: {
            $toObjectId: id,
          },
        },
      }
      myfind = {
        $expr: {
          $eq: ["$_id", "$myId1"],
        },
      }

      query.push(myqueryadd);
    }

    query.push(
      { $match: myfind },
      {
        $lookup: {
          from: 'catprods',
          localField: 'idCatProds',
          foreignField: '_id',
          as: 'catprods'
        }
      },
      {
        $sort: {
          name: 1 // 1 for ascending order, -1 for descending order
        }
      },
    );

    let ris = await productInfo.aggregate(query)

    return ris;

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

};

module.exports.getProductByCode = function (idapp, code) {
  return productInfo.findAllIdApp(idapp, code);
}

module.exports.createIndexes((err) => {
  if (err) throw err;
});