<?php
/*
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC. All rights reserved.                        |
 |                                                                    |
 | This work is published under the GNU AGPLv3 license with some      |
 | permitted exceptions and without any warranty. For full license    |
 | and copyright information, see https://civicrm.org/licensing       |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC https://civicrm.org/licensing
 */

/**
 * This class contains functions for managing Action Logs
 */
class CRM_Core_BAO_Country extends CRM_Core_DAO_Country {

  /**
   * Get the list of countries for which we offer provinces.
   *
   * @return mixed
   */
  public static function provinceLimit() {
    if (!isset(Civi::$statics[__CLASS__]['provinceLimit'])) {
      $countryIsoCodes = CRM_Core_PseudoConstant::countryIsoCode();
      $provinceLimit = Civi::settings()->get('provinceLimit');
      $country = [];
      if (is_array($provinceLimit)) {
        foreach ($provinceLimit as $val) {
          // CRM-12007
          // some countries have disappeared and hence they might be in country limit
          // but not in the country table
          if (isset($countryIsoCodes[$val])) {
            $country[] = $countryIsoCodes[$val];
          }
        }
      }
      else {
        $country[] = $countryIsoCodes[$provinceLimit];
      }
      Civi::$statics[__CLASS__]['provinceLimit'] = $country;
    }
    return Civi::$statics[__CLASS__]['provinceLimit'];
  }

  /**
   * Get the list of countries (with names) which are available to user.
   *
   * @return mixed
   */
  public static function countryLimit() {
    if (!isset(Civi::$statics[__CLASS__]['countryLimit'])) {
      $countryIsoCodes = CRM_Core_PseudoConstant::countryIsoCode();
      $country = [];
      $countryLimit = Civi::settings()->get('countryLimit') ?? [];
      if (is_array($countryLimit)) {
        foreach ($countryLimit as $val) {
          // CRM-12007
          // some countries have disappeared and hence they might be in country limit
          // but not in the country table
          if (isset($countryIsoCodes[$val])) {
            $country[] = $countryIsoCodes[$val];
          }
        }
      }
      else {
        $country[] = $countryIsoCodes[$countryLimit];
      }
      Civi::$statics[__CLASS__]['countryLimit'] = $country;
    }
    return Civi::$statics[__CLASS__]['countryLimit'];
  }

  /**
   * Provide cached default contact country.
   *
   * @return string
   */
  public static function defaultContactCountry() {
    static $cachedContactCountry = NULL;
    $defaultContactCountry = Civi::settings()->get('defaultContactCountry');

    if (!empty($defaultContactCountry) && !$cachedContactCountry) {
      $countryIsoCodes = CRM_Core_PseudoConstant::countryIsoCode();
      $cachedContactCountry = CRM_Utils_Array::value($defaultContactCountry,
        $countryIsoCodes
      );
    }
    return $cachedContactCountry;
  }

  /**
   * Provide list of favourite contries.
   *
   * @param $availableCountries
   * @return array
   */
  public static function favouriteContactCountries($availableCountries) {
    static $cachedFavouriteContactCountries = [];
    $favouriteContactCountries = Civi::settings()->get('favouriteContactCountries');

    if (!empty($favouriteContactCountries) && !$cachedFavouriteContactCountries) {
      $favouriteCountries = [];
      foreach($favouriteContactCountries as $favouriteContactCountry) {
        if (array_key_exists($favouriteContactCountry, $availableCountries)) {
          $favouriteCountries[$favouriteContactCountry] = $availableCountries[$favouriteContactCountry];
        }
      }
      $cachedFavouriteContactCountries = $favouriteCountries;
    }
    return $cachedFavouriteContactCountries;
  }

  /**
   * Provide sorted list of countries with default country with first position
   * then favourite countries then rest of countries.
   *
   * @param $availableCountries
   * @return array
   */
  public static function _defaultContactCountries($availableCountries) {
    // localise the country names if in an non-en_US locale
    $tsLocale = CRM_Core_I18n::getLocale();
    if ($tsLocale != '' and $tsLocale != 'en_US') {
      $i18n = CRM_Core_I18n::singleton();
      $i18n->localizeArray($availableCountries, [
        'context' => 'country',
      ]);
      $availableCountries = CRM_Utils_Array::asort($availableCountries);
    }
    $favouriteContactCountries = CRM_Core_BAO_Country::favouriteContactCountries($availableCountries);
    // if default country is set, percolate it to the top
    if ($defaultContactCountry = CRM_Core_BAO_Country::defaultContactCountry()) {
      $countryIsoCodes = CRM_Core_PseudoConstant::countryIsoCode();
      $defaultID = array_search($defaultContactCountry, $countryIsoCodes);
      if ($defaultID !== FALSE) {
        $default = [];
        $default[$defaultID] = $availableCountries[$defaultID] ?? NULL;
        $availableCountries = $default + $favouriteContactCountries + $availableCountries;
      }
    }
    elseif (!empty($favouriteContactCountries)) {
      $availableCountries = $favouriteContactCountries + $availableCountries;
    }

    return $availableCountries;
  }

  /**
   * Provide cached default country name.
   *
   * @return string
   */
  public static function defaultContactCountryName() {
    static $cachedContactCountryName = NULL;
    $defaultContactCountry = Civi::settings()->get('defaultContactCountry');
    if (!$cachedContactCountryName && $defaultContactCountry) {
      $countryCodes = CRM_Core_PseudoConstant::country();
      $cachedContactCountryName = $countryCodes[$defaultContactCountry];
    }
    return $cachedContactCountryName;
  }

  /**
   * Provide cached default currency symbol.
   *
   * @param string $defaultCurrency
   *
   * @return string
   */
  public static function defaultCurrencySymbol($defaultCurrency = NULL) {
    static $cachedSymbol = NULL;
    if (!$cachedSymbol || $defaultCurrency) {
      $currency = $defaultCurrency ? $defaultCurrency : Civi::settings()->get('defaultCurrency');
      if ($currency) {
        $currencySymbols = CRM_Core_PseudoConstant::get('CRM_Contribute_DAO_Contribution', 'currency', [
          'labelColumn' => 'symbol',
          'orderColumn' => TRUE,
        ]);
        $cachedSymbol = CRM_Utils_Array::value($currency, $currencySymbols, '');
      }
      else {
        $cachedSymbol = '$';
      }
    }
    return $cachedSymbol;
  }

  /**
   * Get the default currency symbol.
   *
   * @param string $k Unused variable
   *
   * @return string
   */
  public static function getDefaultCurrencySymbol($k = NULL) {
    return CRM_Core_BAO_Country::defaultCurrencySymbol(\Civi::settings()->get('defaultCurrency'));
  }

}