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<?php
/*
 * @copyright Copyright (c) 2024 AltumCode (https://altumcode.com/)
 *
 * This software is exclusively sold through https://altumcode.com/ by the AltumCode author.
 * Downloading this product from any other sources and running it without a proper license is illegal,
 *  except the official ones linked from https://altumcode.com/.
 */

namespace Altum;

class Alerts {
    public static $types = ['success', 'error', 'info'];

/* Field errors */
    public static function add_field_error($key, $message) {
        if(!isset($_SESSION['field_errors'][$key])) {
            $_SESSION['field_errors'][$key] = [$message];
        } else {
            $_SESSION['field_errors'][$key][] = $message;
        }
    }

public static function has_field_errors($key = null) {
        if(is_null($key)) {
            return !empty($_SESSION['field_errors']);
        }
        else if(is_array($key)) {
            $has_errors = false;

foreach($key as $field_name) {
                /* Regex check if needed */
                if(strpos($field_name, '*') !== false) {

foreach(($_SESSION['field_errors'] ?? []) as $session_field_error_key => $session_field_error_value) {
                        if(mb_ereg($field_name, $session_field_error_key) && !empty($session_field_error_value)) {
                            $has_errors = true;
                            break;
                        }
                    }

}

/* Exact checks */
                else {
                    if(isset($_SESSION['field_errors'][$field_name]) && !empty($_SESSION['field_errors'][$field_name])) {
                        $has_errors = true;
                        break;
                    }
                }

}

return $has_errors;
        }
        else {
            return isset($_SESSION['field_errors'][$key]) && !empty($_SESSION['field_errors'][$key]);
        }
    }

public static function get_first_field_error($key) {
        return reset($_SESSION['field_errors'][$key]);
    }

public static function output_field_error($key) {
        $output = null;

if(self::has_field_errors($key)) {
            $output = '<div class="invalid-feedback">' . self::get_first_field_error($key) . '</div>';

unset($_SESSION['field_errors'][$key]);
        }

return $output;
    }

public static function clear_field_errors($key = null) {
        if($key) {
            unset($_SESSION['field_errors'][$key]);
        } else {
            unset($_SESSION['field_errors']);
        }
    }

/* Session alerts */
    public static function add($type, $key, $message) {
        if(!isset($_SESSION[$type][$key])) {
            $_SESSION[$type][$key] = [$message];
        } else {
            $_SESSION[$type][$key][] = $message;
        }
    }

public static function has($type, $key) {
        if(is_null($key)) {
            return isset($_SESSION[$type]) && count($_SESSION[$type]);
        } else {
            return isset($_SESSION[$type][$key]);
        }
    }

public static function get($type, $key) {
        return $_SESSION[$type][$key];
    }

public static function output_alerts($type = null) {
        $types = is_null($type) ? self::$types : [$type];
        $output = null;

foreach($types as $type) {
            if(!isset($_SESSION[$type]) || empty($_SESSION[$type])) {
                continue;
            }

foreach($_SESSION[$type] as $key => $value) {
                foreach($value as $message_key => $message) {
                    $output .= output_alert($type, $message);
                }

unset($_SESSION[$type][$key]);
            }
        }

return $output;
    }

/* Errors */
    public static function add_error($message, $key = 'error') {
        self::add('error', $key, $message);
    }

public static function has_errors($key = null) {
        return self::has('error', $key);
    }

/* Infos */
    public static function add_info($message, $key = 'info') {
        self::add('info', $key, $message);
    }

public static function has_infos($key = null) {
        return self::has('info', $key);
    }

/* Successes */
    public static function add_success($message, $key = 'success') {
        self::add('success', $key, $message);
    }

public static function has_successes($key = null) {
        return self::has('success', $key);
    }

public static function clear() {

}
}