' . $this->l('Shop ID:') . ' ' . $shopId . '

' . $this->l('All products indexed') . '

' . $this->l('Not finished yet, please run me again') . '

'; print_r($prices); echo '

';
      echo $output;
    }
  }

  protected function getProductIdsInHistory($shopId)
  {
    $ids = [];
    $query = 'SELECT DISTINCT `id_product` FROM `' . _DB_PREFIX_ . 'gm_omniprice_history` '
      . ' WHERE `id_shop` = ' . $shopId;
    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        $ids[] = (int) $row['id_product'];
      }
    }
    return $ids;
  }

  public function hookDisplayAdminProductsExtra(array $params)
  {
    $data = [];
    if (isset($params['id_product']))
    {
      $productId = (int) $params['id_product'];
    }
    else
    {
      $productId = (int) Tools::getValue('id_product');
    }
    $shopId = (int) $this->context->shop->id;
    $currencyId = (int) $this->defaultCurrencyId;
    if (Shop::isFeatureActive())
    {
      $currencyId = Configuration::get('PS_CURRENCY_DEFAULT', null, null, $shopId);
    }
    $countryId = (int) $this->defaultCountryId;
    if (Shop::isFeatureActive())
    {
      $countryId = Configuration::get('PS_COUNTRY_DEFAULT', null, null, $shopId);
    }
    $groupId = (int) $this->defaultGroupId;
    $attributeId = 0;

    $query = 'SELECT `date`, `price_tin`, `is_specific_price` '
      . ' FROM `' . _DB_PREFIX_ . 'gm_omniprice_history`'
      . ' WHERE `id_shop` = ' . $shopId
      . ' AND `id_product` = ' . $productId
      . ' AND `id_product_attribute` = ' . $attributeId
      . ' AND `id_currency` = ' . $currencyId
      . ' AND `id_country` = ' . $countryId
      . ' AND `id_group` = ' . $groupId
      . ' ORDER BY `date` DESC';

    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        $data[$row['date']] = [
          'date' => $row['date'],
          'price_tin' => $row['price_tin'],
          'is_specific_price' => $row['is_specific_price'],
          'type' => ($row['is_specific_price'] ? $this->l('Reduced price') : $this->l('Regular price'))
        ];
      }
    }

    $query = 'SELECT `date`, `price_tin` '
      . ' FROM `' . _DB_PREFIX_ . 'gm_omniprice_cache`'
      . ' WHERE `id_shop` = ' . $shopId
      . ' AND `id_product` = ' . $productId
      . ' AND `id_product_attribute` = ' . $attributeId
      . ' AND `id_currency` = ' . $currencyId
      . ' AND `id_country` = ' . $countryId
      . ' AND `id_group` = ' . $groupId
      . ' ORDER BY `date` DESC';

    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        if (!array_key_exists($row['date'], $data))
        {
          $data[$row['date']] = [
            'date' => $row['date'],
            'price_tin' => $row['price_tin'],
            'is_specific_price' => '',
            'type' => $this->l('Lowest previous price')
          ];
        }
      }
    }
    krsort($data);
    $indexed = (int) Db::getInstance()->getValue('SELECT `id_product` FROM `' . _DB_PREFIX_ . 'gm_omniprice_index` WHERE `id_product` = ' . $productId .
      ' AND `date` = \'' . $this->today . '\'');
    $this->context->smarty->assign(array(
      'historyData' => $data,
      'indexedToday' => $indexed
    ));
    $debug = '';
    if (Tools::isSubmit('omnidebug'))
    {
      $res = Db::getInstance()->executeS('SELECT * FROM `' . _DB_PREFIX_ . 'gm_omniprice_history` WHERE `id_product` = ' . $productId . ' ORDER BY `date` DESC');
      if ($res)
      {
        $debug = $this->displayTable($res, array_keys($res[0]));
      }
    }
    return $this->display(__FILE__, 'tab.tpl') . $debug;
  }

  public function displayTable($data, $columns)
  {
    $output = '';
    $output .= '';
    $output .= '';
    foreach ($columns as $columnHeader)
    {
      $output .= '';
    }
    $output .= '';
    $output .= '';
    foreach ($data as $row)
    {
      $output .= '';
      foreach ($columns as $key)
      {
        $output .= '';
      }
      $output .= '';
    }
    $output .= '
' . $columnHeader . '
' . $row[$key] . '
';
    return $output;
  }

  public function hookActionGetProductPropertiesAfter($params)
  {
    return;
    $product = &$params['product'];
    $sp = $product['specific_prices'];
    //var_export($product);
    $sp['reduction'] = (string) (rand(0, 10) / 100);
    $product['specific_prices'] = $sp;
  }

  public function fillMissingCache($verbose = false)
  {
    $output = '';
    $query = 'SELECT * FROM `' . _DB_PREFIX_ . 'gm_omniprice_history` '
      . ' WHERE `is_specific_price` = 1 AND `id_product` IN (SELECT `id_product` FROM `' . _DB_PREFIX_ . 'product` WHERE `active` = 1)'
      . ' ORDER BY `date` DESC ';
    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        $lowestPrice = $this->getLowestCachedPrice($row);
        if ($lowestPrice === false)
        {
          $shopId = (int) $row['id_shop'];
          $productId = (int) $row['id_product'];
          $groupId = (int) $row['id_group'];
          $currencyId = (int) $row['id_currency'];
          $countryId = (int) $row['id_country'];
          $attributeId = (int) $row['id_product_attribute'];
          $output .= var_export($row, true) . '
';
          $output .= ' - no lowest price!
';
          $lastChangeDate = $row['date'];
          $output .= ' Look for the lowest price before ' . $lastChangeDate . '
';
          $now = time();
          $your_date = strtotime($row['date']);
          $datediff = $now - $your_date;
          $daysOffset = floor($datediff / (60 * 60 * 24));
          $output .= ' days offset: ' . $daysOffset . '
';
          $lowestPrices = $this->getLowestPrice($shopId, $productId, $currencyId, $countryId, $groupId, $attributeId, $daysOffset);
          if ($lowestPrices)
          {
            $output .= ' found price: ' . $lowestPrices['price_tin'] . ' (' . $lowestPrices['price_tex'] . ')
';
            $this->saveLowestPrice(
              $shopId,
              $productId,
              $currencyId,
              $countryId,
              $groupId,
              $attributeId,
              $lowestPrices['price_tex'],
              $lowestPrices['price_tin'],
              $lowestPrices['date']
            );
          }
        }
      }
    }
    if ($verbose)
    {
      echo $output;
    }
  }

  public function getActiveMap()
  {
    if ($this->activeMap == null)
    {
      $query = 'SELECT `id_shop`, `id_product`, `active` FROM `' . _DB_PREFIX_ . 'product_shop`';
      $res = Db::getInstance()->executeS($query);
      if ($res)
      {
        foreach ($res as $row)
        {
          $this->activeMap[(int) $row['id_shop']][(int) $row['id_product']] = (int) $row['active'];
        }
      }
    }
    return $this->activeMap;
  }

  public function productIsActive($productId, $shopId)
  {
    $activeMap = $this->getActiveMap();
    if (isset($activeMap[$shopId][$productId]))
    {
      return ($activeMap[$shopId][$productId] == 1);
    }
    return false;
  }

  public function getCostPriceMap()
  {
    $map = [];
    $query = 'SELECT `id_product`, `id_shop`, `wholesale_price` FROM `' . _DB_PREFIX_ . 'product_shop` WHERE `wholesale_price` > 0';
    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        $shopId = (int) $row['id_shop'];
        $productId = (int) $row['id_product'];
        $costPrice = $row['wholesale_price'];
        $map[$shopId][$productId][0] = $costPrice;
      }
    }

    $query = 'SELECT `id_product`, `id_product_attribute`, `id_shop`, `wholesale_price` FROM `' . _DB_PREFIX_ . 'product_attribute_shop` WHERE `wholesale_price` > 0';
    $res = Db::getInstance()->executeS($query);
    if ($res)
    {
      foreach ($res as $row)
      {
        $shopId = (int) $row['id_shop'];
        $productId = (int) $row['id_product'];
        $attributeId = (int) $row['id_product_attribute'];
        $costPrice = $row['wholesale_price'];
        $map[$shopId][$productId][$attributeId] = $costPrice;
      }
    }
    return $map;
  }

  public function getConversionRates()
  {
    $rates = [];
    $currencies = Db::getInstance()->executeS('
            SELECT `id_shop`, `id_currency`, `conversion_rate`
            FROM `' . _DB_PREFIX_ . 'currency_shop`');
    if ($currencies)
    {
      foreach ($currencies as $currency)
      {
        $shopId = (int) $currency['id_shop'];
        $currencyId = (int) $currency['id_currency'];
        $rate = $currency['conversion_rate'];
        $rates[$currencyId][$shopId] = $rate;
      }
    }
    return $rates;
  }

  public function checkIfProductIsSoldBelowCost($priceTex, $costPriceMap, $rates, $shopId, $productId, $attributeId, $currencyId)
  {
    $conversionRate = $rates[$currencyId][$shopId];
    $costPrice = $costPriceMap[$shopId][$productId][$attributeId];
    $convertedCostPrice = $costPrice / $conversionRate;
    return ($priceTex < $convertedCostPrice);
  }

  protected function displayGreenMouseModulesPanel()
  {
    $url = 'https://codecanyon.net/user/greenmousestudio/portfolio';
    $isoCode = Context::getContext()->language->iso_code;
    $translations = [
      'en' => "Check out more PrestaShop modules from GreenMouseStudio",
      'fr' => "Découvrez plus de modules PrestaShop de GreenMouseStudio",
      'es' => "Descubra más módulos de PrestaShop de GreenMouseStudio",
      'de' => "Entdecken Sie mehr PrestaShop-Module von GreenMouseStudio",
      'it' => "Scopri di più moduli PrestaShop di GreenMouseStudio",
      'pl' => "Zobacz więcej modułów PrestaShop od GreenMouseStudio",
      'pt' => "Confira mais módulos PrestaShop do GreenMouseStudio",
      'nl' => "Bekijk meer PrestaShop-modules van GreenMouseStudio",
      'sv' => "Upptäck fler PrestaShop-moduler från GreenMouseStudio",
      'da' => "Se flere PrestaShop-moduler fra GreenMouseStudio",
      'fi' => "Tutustu lisää GreenMouseStudion PrestaShop-moduuleihin",
      'cs' => "Podívejte se na další moduly PrestaShop od GreenMouseStudio",
      'sk' => "Pozrite si viac modulov PrestaShop od GreenMouseStudio",
      'hu' => "Nézzen meg több PrestaShop modult a GreenMouseStudio-tól",
      'ro' => "Descoperiți mai multe module PrestaShop de la GreenMouseStudio",
      'el' => "Δείτε περισσότερες μονάδες PrestaShop από το GreenMouseStudio",
    ];
    $message = isset($translations[$isoCode]) ? $translations[$isoCode] : $translations['en'];
    $content = '';
    $content .= '
' . $message . '
';
    return $content;
  }
}