"use strict";

const fetch = require("node-fetch");
const cheerio = require("cheerio");
const moment = require("moment-timezone");

const {
  AD_TYPE,
  AD_CATEGORY,
  AD_AGENCY,
  AD_STATUS,
  CRAWLER_AD_TYPE,
  FURNISHING_TYPE,
  HEATING_TYPE
} = require("../../common/enums");

const {
  PRINT_CRAWLER_DEBUG,
  DEFAULT_TIMEZONE
} = require("../../config/appConfig");
const { SALJIC_FORCE_CRAWL } = require("../specificConfigs/saljic");

const SALJIC_ENUMS = {
  SALJIC_AD_TYPE: {
    [CRAWLER_AD_TYPE.ALL]: "&input_vrsta=",
    [CRAWLER_AD_TYPE.ONLY_SELL]: "&input_vrsta=1",
    [CRAWLER_AD_TYPE.ONLY_RENT]: "&input_vrsta=2"
  },
  SALJIC_AD_CATEGORY: {
    [AD_CATEGORY.ALL.id]: "&input_kategorija=",
    [AD_CATEGORY.FLAT.id]: "&input_kategorija=15",
    [AD_CATEGORY.HOUSE.id]: "&input_kategorija=9",
    [AD_CATEGORY.LAND.id]: "&input_kategorija=5", //3 and 4 also gradjevinsko
    [AD_CATEGORY.OFFICE.id]: "&input_kategorija=8",
    [AD_CATEGORY.APARTMENT.id]: "&input_kategorija=1",
    [AD_CATEGORY.GARAGE.id]: "&input_kategorija=2"
    //[AD_CATEGORY.COTTAGE.id]: ""
  }
};

class SaljicCrawler {
  constructor(
    savers = [],
    crawlerAdTypes = CRAWLER_AD_TYPE.ALL,
    crawlerAdCategories = [AD_CATEGORY.FLAT, AD_CATEGORY.HOUSE],
    maxPages = 5000,
    maxResultsPerPage = 5000,
    ignoredUsernames = [],
    delayBetweenPages = 1000
  ) {
    this.savers = savers;
    this.baseUrl = "https://www.saljicnekretnine.ba/v2/nekretnine_search";
    this.crawlerAdTypes = crawlerAdTypes;
    this.crawlerAdCategories = crawlerAdCategories;
    this.maxResultsPerPage = maxResultsPerPage;
    this.delayBetweenPages = delayBetweenPages;
  }

  async crawl() {
    //
    console.log("Saljic URL: ", this.baseUrl);
  }

  //======= HELPER FUNCTIONS =============

  async sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
  }

  async saveCrawledResults(results) {
    const savers = this.savers;

    // for (const saver of savers) {
    //   await saver.save(results);
    // }

    //For now, we use only Postgres saver, so ...
    return savers[0].save(results);
    //so that we can use some sequelize options and information when data is inserted
  }
}

module.exports = SaljicCrawler;