//Se declara express
const express = require("express");

//Se inicializa express
var app = express();

const Model = require("./model");
const ModelSupply = require("../supplies/model");

//Agrega el mensaje a la BD
async function addOrder(order) {
    const myOrder = new Model(order);
    const saved = myOrder.save();
    console.log(order.idProvider)
    await ModelSupply.findOneAndUpdate({_id: order.idProduct, providers: {$ne: order.idProvider}}, {$addToSet: {providers: order.idProvider}})
    return saved;
}

async function getOrders(filterOrders) {
  return new Promise((resolve, reject) => {
    console.log(filterOrders);
    let filter = {};
    if (filterOrders !== null) {
      filter = { idProduct: filterOrders };
    }

    Model.find(filter)
      //Busca por objectID en user y lo inserta en mensaje
      //.select("_id")
      .populate("idProduct", 'name')
      .populate("idProvider", "name")
      .exec((error, populated) => {
        if (error) {
          console.log("···· Error ", error);
          reject(error);
          return false;
        }
        resolve(populated);
      });
  });
}


async function getListProviders(filterOrders) {
  return new Promise((resolve, reject) => {
    console.log(filterOrders);
    let filter = {};
    if (filterOrders !== null) {
      filter = { idProduct: filterOrders };
    }

    Model.find(filter)
      //Busca por objectID en user y lo inserta en mensaje
      //.select("_id")
      .populate("idProduct", 'name')
      .populate("idProvider", "name")
      .select('idProvider')
      .exec((error, populated) => {
        if (error) {
          console.log("···· Error ", error);
          reject(error);
          return false;
        }
        resolve(populated);
      });
  });
}






module.exports = {

  add: addOrder,
  list: getOrders,
  getListProviders
  
};