<?php

namespace App\Http\Controllers;

use App\Models\CountryCode;
use Illuminate\Http\Request;
use Illuminate\Http\Client\Pool;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use PHPHtmlParser\Dom;

class CountryCompareController extends Controller
{
  private $countries = [];

  public function __construct()
  {
    $countries = [];
    CountryCode::all()->each(function ($country) use (&$countries) {
      $countries[] = $country->country_name;
    });

    $this->countries = collect($countries);
  }
  public function search(Request $request)
  {
    $itemCodes = $request->input("item_codes");
    $ta_codes = explode(' ', str_replace('.', '', trim($itemCodes)));

    $requests = $this->makeRequests($ta_codes[0]);
    return $this->processResponse($requests,$ta_codes[0]);
  }

  public function makeRequests($ta_code)
  {
    $requests = Http::pool(fn (Pool $pool) => [
      CountryCode::all()->each(function ($countryCode) use ($pool, $ta_code) {
        $this->countries[] = $countryCode->country_name;
        return $pool->as($countryCode->country_name)->get($countryCode->search_url . $ta_code);
      })
    ]);
    return $requests;
  }

  public function makeRequest($ta_code, $country)
  {
    $countryCode = CountryCode::where('country_name', $country)->first();
    return Http::pool(fn (Pool $pool) => [
      $pool->as($countryCode->country_name)->get($countryCode->search_url . $ta_code)
    ]);
  }

  public function processResponse($responses, $code)
  {
    $prices = [];

    foreach ($this->countries as $country) {

      if (isset($responses[$country]) && $responses[$country]->ok()) {

        $response = $responses[$country]->body();
        switch ($country) {
          case "Bulgaria":
          case "Cyprus":
          case "Greece":
            $prices[$country] = $this->parseJson_CY_GR_BG($code, (string) $response);
            break;
          case "Iceland":
            $prices[$country] = $this->parseJson_IS($country, $code, (string) $response);
            break;
          case "Türkiye":
            $prices[$country] = $this->parseJson_TR((string) $response);
            break;
          case "Lithuania":
          case "Estonia":
          case "Latvia":
            $prices[$country] = $this->parseJson_EE_LT_LV($country, $code, (string) $response);
            break;
          default:
            $prices[$country] = $this->parseJson((string) $response);
        }
      }
    }

    return $prices;
  }
  public function parseJson($json_raw)
  {
    $json_values = array();

    $json_decoded = json_decode($json_raw, true);
    //dd($json_decoded);
    $searchResultPage = $json_decoded["searchResultPage"];
    $products = $searchResultPage["products"];
    $main = $products["main"];
    $items = $main["items"];

    foreach ($items as $item) {
      $product = $item["product"];

      $salesPrice = $product["salesPrice"];
      $numeral = $salesPrice["numeral"];

      $json_values = array(
        'url_product' => $product['pipUrl'],
        'tag' => $product['tag'],
        'price' => $numeral,
        'price_eur' => 0
      );
      break;
    }

    return $json_values;
  }

  public function parseJson_TR($body)
  {
    //echo "country: " . $country . ", code: " . $code . "<br>";

    $dochtml = new \DOMDocument();
    @$dochtml->loadHTML('<?xml encoding="UTF-8">' . $body);

    $xpath = new \DOMXpath($dochtml);
    $price = null;
    //$c = ltrim($code, "0");
    $json_values = array();

    $url_product = $xpath->query('/html/head/meta[(@property="og:url")]/@content')[0]->nodeValue;
    $price = $xpath->query('/html/head/meta[(@property="og:price:amount")]/@content')[0]->nodeValue;

    $price = floatval(trim(str_replace('.', '', $price)));

    $json_values = array(
      'url_product' => $url_product,
      'tag' => null,
      'price' => floatval($price),
      'price_eur' => 0
    );

    return $json_values;
  }

  public function parseJson_CY_GR_BG($code, $body)
  {
    //echo "country: " . $country . ", code: " . $code . "<br>";

    $dochtml = new \DOMDocument();
    @$dochtml->loadHTML('<?xml encoding="UTF-8">' . $body);

    $xpath = new \DOMXpath($dochtml);
    $price = null;
    $c = ltrim($code, "0");
    $json_values = array();

    try {
      $price = $xpath->query('//*/div[(@class="yotpo yotpo-main-widget" and @data-product-id="' . $code . '")]/@data-price')[0]->nodeValue;
      $url_product = $xpath->query('//*/div[(@class="yotpo yotpo-main-widget" and @data-product-id="' . $code . '")]/@data-url')[0]->nodeValue;
    } catch (\Exception $e) {
      return [];
    }
    $price = floatval($price);


    $json_values = array(
      'url_product' => $url_product,
      'tag' => null,
      'price' => floatval($price),
      'price_eur' => 0
    );

    return $json_values;
  }

  public function parseJson_EE_LT_LV($country, $code, $body)
  {
    //echo "country: " . $country . ", code: " . $code . "<br>";

    $dochtml = new \DOMDocument();
    @$dochtml->loadHTML('<?xml encoding="UTF-8">' . $body);

    $xpath = new \DOMXpath($dochtml);
    $price = null;
    $c = ltrim($code, "0");
    $json_values = array();

    try {
      $price = $xpath->query('//*/div[(@class="itemPriceBox" and @data-item="' . $c . '")]//p[@class="itemNormalPrice display-6"]/span')[0]->nodeValue;

      if (is_null($price) || empty($price)) {
        $price = $xpath->query('//*/div[(@class="itemPriceBox" and @data-item="' . $c . '")]//div[@class="itemBTI display-6"]/span')[0]->nodeValue;
      }

      switch ($country) {
        case "Estonia":
          $url_product = "https://www.ikea.ee" . $xpath->query('//*/div[(@class="card-header")]/a/@href')[0]->nodeValue;
          break;
        case "Lithuania":
          $url_product = "https://www.ikea.lt" . $xpath->query('//*/div[(@class="card-header")]/a/@href')[0]->nodeValue;
          break;
        case "Latvia":
          $url_product = "https://www.ikea.lv" . $xpath->query('//*/div[(@class="card-header")]/a/@href')[0]->nodeValue;
          break;
        default:
          $url_product = null;
      }
    } catch (\Exception $e) {
      return [];
    }

    if (is_null($price) || empty($price)) {
      $url_product = null;
    }

    $price = floatval(trim(str_replace(' ', '', str_replace(',', '.', str_replace(array('€'), '', $price)))));

    $json_values = array(
      'url_product' => $url_product,
      //$url_product,
      'tag' => null,
      'price' => $price,
      'price_eur' => 0
    );

    return $json_values;
  }

  public function parseJson_IS($country, $code, $body)
  {
    //echo "country: " . $country . ", code: " . $code . "<br>";

    $dochtml = new \DOMDocument();
    @$dochtml->loadHTML('<?xml encoding="UTF-8">' . $body);

    $xpath = new \DOMXpath($dochtml);
    $price = null;
    $c = ltrim($code, "0");
    $json_values = array();

    try {
    $price = $xpath->query('//*/div[(@class="itemPriceBox")]//p[@class="itemNormalPrice revamp_price price"]/span/span')[0]->nodeValue;

    if (is_null($price) || empty($price)) {
      $price = $xpath->query('//*/div[(@class="itemPriceBox")]//p[@class="itemBTI display-6 revamp_price price"]/span/span')[0]->nodeValue;
    }

    $url_product = "https://www.ikea.is" . $xpath->query('/html/head/meta[(@property="og:url")]/@content')[0]->nodeValue;

    //echo "url_product: " . $url_product . "<br>";

    if (is_null($price) || empty($price)) {
      $url_product = null;
    }

  } catch (\Exception $e) {
    return [];
  }
    $price = floatval(trim(str_replace(' ', '', str_replace(',', '.', str_replace('.', '', str_replace(array('€'), '', $price))))));

    $json_values = array(
      'url_product' => $url_product,
      //$url_product,
      'tag' => null,
      'price' => $price,
      'price_eur' => 0
    );

    return $json_values;
  }
}