import { Application } from '@feathersjs/express';
import { HookContext } from '@feathersjs/feathers';
import service from 'feathers-mongoose';
import { populate } from 'feathers-hooks-common';
import _ from 'lodash';
import Model from '../models/waybill/waybill.model';

const waybills = service({ Model });

const populateSchema = {
  include: [
    {
      service: 'contractors',
      nameAs: 'contractor',
      parentField: 'contractorId',
      childField: '_id'
    },
    {
      service: 'products',
      nameAs: 'product',
      parentField: 'productId',
      childField: '_id'
    },
  ]
};

const addName = (context: HookContext): HookContext => {
  const { result: { operation, product, quantity } } = context;
  const name = `Накладная: ${product?.name} ${operation === 'in' ? 'приход' : 'расход' } ${quantity} шт.`
  return _.set(context, 'result.name', name);
};

export default (app: Application): void => {
  app.use('/waybills', waybills);
  app.service('waybills').hooks({
    after: {
      all: [populate({ schema: populateSchema }), addName],
    },
  })
};