<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

namespace PrestaShop\PrestaShop\Adapter\Country;

use Configuration;
use Country;
use Db;
use DbQuery;
use PrestaShopDatabaseException;

/**
 * This class will provide data from DB / ORM about Country
 */
class CountryDataProvider
{
    /**
     * Return available countries.
     *
     * @param int $id_lang Language ID
     * @param bool $active return only active coutries
     * @param bool $contain_states return only country with states
     * @param bool $list_states Include the states list with the returned list
     *
     * @return array Countries and corresponding zones
     */
    public function getCountries($id_lang, $active = false, $contain_states = false, $list_states = true)
    {
        return Country::getCountries($id_lang, $active, $contain_states, $list_states);
    }

    /**
     * Returns list of countries IDs which need DNI
     *
     * @return array
     */
    public function getCountriesIdWhichNeedDni()
    {
        $query = new DbQuery();
        $query
            ->select('c.`id_country`')
            ->from('country', 'c')
            ->where('c.`need_identification_number` = 1')
        ;
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);

        return array_map(function ($country) { return $country['id_country']; }, $result);
    }

    /**
     * Returns list of countries IDs which need Postcode
     *
     * @return array
     *
     * @throws PrestaShopDatabaseException
     */
    public function getCountriesIdWhichNeedPostcode()
    {
        $query = new DbQuery();
        $query
            ->select('c.`id_country`')
            ->from('country', 'c')
            ->where('c.`need_zip_code` = 1')
        ;
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);

        return array_map(function ($country) { return $country['id_country']; }, $result);
    }

    /**
     * Returns list of countries IDS which need a state
     *
     * @return array
     *
     * @throws PrestaShopDatabaseException
     */
    public function getCountriesIdWhichNeedState()
    {
        $query = new DbQuery();
        $query
            ->select('c.`id_country`')
            ->from('country', 'c')
            ->where('c.`contains_states` = 1')
        ;
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);

        return array_map(function ($country) { return $country['id_country']; }, $result);
    }

    /**
     * Get Country IsoCode by Id.
     *
     * @param int $id Country Id
     *
     * @return string the related iso code
     */
    public function getIsoCodebyId($id = null)
    {
        $countryId = (null === $id) ? Configuration::get('PS_COUNTRY_DEFAULT') : $id;

        return Country::getIsoById($countryId);
    }

    /**
     * Get country Id by ISO code.
     *
     * @param string $isoCode Country ISO code
     *
     * @return int
     */
    public function getIdByIsoCode($isoCode)
    {
        return Country::getByIso($isoCode);
    }
}