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<?php
namespace crud;

class ElementsUtilities extends Elements
{
    public static function getTableName($item, $db_data)
    {
        // get real table name
        foreach ($db_data as $db_table => $values) {
            if ($values['item'] === $item) {
                return $db_table;
            }
        }

return false;
    }

public static function getUserProfileValue($value)
    {
        $vals = array(
            0 => NO,
            1 => RESTRICTED,
            2 => YES
        );

if (\array_key_exists($value, $vals)) {
            return $vals[$value];
        }

return $value;
    }

/**
     * convert variable to be usable as an object attribute if it contains hyphens.
     * @param  String $var
     * @param  String $context  php_class|twig_template
     * @return String       if $var contains '-':
     *                          if $context == 'php_class':
     *                              returns {'var-with-hyphen'} to be usable as $obj->{'var-with-hyphen'}
     *                          if $context == 'twig_template':
     *                              returns for example attribute(object.fields, 'address-1')
     *                      else
     *                          if $context == 'php_class':
     *                              returns $var
     *                          if $context == 'twig_template':
     *                              returns the normal twig value, for example object.fields.city
     */
    /*public static function getHyphenVar($var, $context = 'php_class', $twig_object = '')
    {

if ($context == 'php_class') {
            if (strpos($var, '-') === false) {
                return $var;
            }

return '{\'' . $var . '\'}';
        } elseif ($context == 'twig_template') {
            if (strpos($var, '-') === false) {
                return $twig_object . '.' . $var;
            }

return 'attribute(' . $twig_object . ', \'' . $var . '\')';
        }
    }*/

public static function sanitizeFieldName($field_name)
    {
        $old_name = trim($field_name);
        $charset = 'utf-8';
        $new_name = htmlentities($old_name, ENT_NOQUOTES, $charset);
        $new_name = preg_replace('#\&([A-za-z])(?:acute|cedil|circ|grave|ring|tilde|uml)\;#', '\1', $new_name);
        $new_name = preg_replace('#\&([A-za-z]{2})(?:lig)\;#', '\1', $new_name);    // pour les ligatures e.g. '&oelig;'
        $new_name = preg_replace('#\&[^;]+\;#', '', $new_name);    // supprime les autres caractères
        $new_name = preg_replace('`[ &~"#{( \'\[|\\^@)\]=}$¤*µ%,;:!?/§.-]+`', '_', $new_name);
        while (preg_match('`__`', $new_name)) {
            $new_name = str_replace('__', '_', $new_name);
        }
        $new_name = trim($new_name, '_');

return $new_name;
    }

public static function upperCamelCase($str, array $noStrip = array())
    {
        // non-alpha and non-numeric characters become spaces
        $str = preg_replace('/[^a-z0-9' . implode("", $noStrip) . ']+/i', ' ', $str);
        $str = trim(strtolower($str));
        // uppercase the first character of each word
        $str = ucwords($str);
        $str = str_replace(" ", "", $str);

return $str;
    }

public static function addNameSpace($class_name, $namespace)
    {
        return '\\' . $namespace . '\\' . $class_name;
    }

/**
     * getFieldNames
     *
     * @param  string $table
     *
     * @return array
     */
    public static function getFieldNames($table)
    {
        $json    = file_get_contents(ADMIN_DIR . 'crud-data/db-data.json');
        $db_data = json_decode($json, true);
        if (isset($db_data[$table])) {
            return $db_data[$table]['fields'];
        }

return false;
    }

/**
     * create export buttons for admin, store export queries.
     * @param  string $sql     sql query
     * @param  string $formats list of export formats separated with commas.
     *                         accepted formats : excel, csv, tsv
     * @return string html buttons code
     */
    public static function exportDataButtons($table, $pdo_settings, $is_list_single_element = false)
    {
        $_SESSION['export'] = array();
        if (!$is_list_single_element) {
            $html = '<div class="btn-group heading-btn">' . "\n";
            $html .= '    <button type="button" class="btn ' . DEFAULT_BUTTONS_CLASS . ' btn-sm dropdown-toggle" data-bs-toggle="dropdown"><i class="' . ICON_UPLOAD . ' prepend"></i>' . EXPORT . '</button>' . "\n";
            $html .= '    <ul class="dropdown-menu">' . "\n";
            $_SESSION['export'][$table]['pdo_settings'] = $pdo_settings;
            if (!isset($_SESSION['npp'])) {
                $_SESSION['npp'] = 20;
            }
            $p = @$_GET['p'];
            if (!$p) {
                $p = 1;
            }
            $html .= '<li><a class="dropdown-item" href="' . ADMIN_URL . 'inc/export-data.php?table=' . $table . '&amp;npp=' . $_SESSION['npp'] . '&p=' . $p . '" target="_blank">' . CURRENT_VIEW . '</a></li>' . "\n";
            $html .= '<li><a class="dropdown-item" href="' . ADMIN_URL . 'inc/export-data.php?table=' . $table . '&amp;npp=-1&p=' . $p . '" target="_blank">' . ALL_RECORDS . '</a></li>' . "\n";
            $html .= '    </ul>' . "\n";
            $html .= '</div>' . "\n";
        } else {
            // list single element
            $html = '<div class="btn-group heading-btn">' . "\n";
            $html .= '    <a href="' . ADMIN_URL . 'inc/export-data.php?table=' . $table . '&amp;npp=1&p=1" target="_blank" class="btn ' . DEFAULT_BUTTONS_CLASS . ' btn-sm"><i class="' . ICON_UPLOAD . ' prepend"></i>' . EXPORT . '</a>' . "\n";
            $_SESSION['export'][$table]['pdo_settings'] = $pdo_settings;
            $html .= '</div>' . "\n";
        }

return $html;
    }

public static function getSorting($table, $sorting_field, $default_direction = 'ASC')
    {
        if (!isset($_SESSION['sorting_' . $table])) {
            $_SESSION['sorting_' . $table] = $table . '.' . $sorting_field;
        }
        if (!isset($_SESSION['direction_' . $table])) {
            $_SESSION['direction_' . $table] = $default_direction;
        }

return ' ' . $_SESSION['sorting_' . $table] . ' ' . $_SESSION['direction_' . $table];
    }

public static function selectNumberPerPage($numbersArray, $selectedNumber, $url)
    {
        $html = '<form id="npp-form" action="' . $url . '" method="post">' . "\n";
        $html .= '    <div class="hstack gap-3">' . "\n";
        $html .= '        <label class="form-label pe-2 mb-0">' . RESULTS_PER_PAGE . '</label>' . "\n";
        $html .= '        <select name="npp" id="npp" class="form-select form-select-sm pe-5" data-slimselect="true" data-show-search="false">' . "\n";
        foreach ($numbersArray as $number) {
            $selected = '';
            if ($number == $_SESSION['npp']) {
                $selected = ' selected';
            }
            if ($number == 10000) {
                $html .= '            <option value="' . $number . '"' . $selected . '>' . ALL . '</option>' . "\n";
            } else {
                $html .= '            <option value="' . $number . '"' . $selected . '>' . $number . '</option>' . "\n";
            }
        }
        $html .= '        </select>' . "\n";
        $html .= '    </div>' . "\n";
        $html .= '</form>' . "\n";

return $html;
    }

public static function shortenAlias($alias)
    {
        $arr = explode('_', $alias);
        $arr_short = \array_map(function ($val) {
            return \substr($val, 0, 3);
        }, $arr);

return implode('_', $arr_short);
    }
}