}

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>





    }

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>





    }

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>





    }

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>





    }

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>





    }

    

    public static function logSusuCollection($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'susu_collection', "Agent '{$username}' collected GHS " . number_format($amount, 2) . " from '{$clientName}'");

    }

    

    public static function logCycleCompletion($userId, $username, $amount, $clientName) {

        self::logActivity($userId, 'cycle_completion', "Susu cycle completed for '{$clientName}' - Payout: GHS " . number_format($amount, 2));

    }

    

    public static function logAgentAssignment($userId, $username, $agentName, $clientName) {

        self::logActivity($userId, 'agent_assignment', "Admin '{$username}' assigned agent '{$agentName}' to client '{$clientName}'");

    }

    

    public static function logClientRegistration($userId, $username, $clientName) {

        self::logActivity($userId, 'client_registration', "Admin '{$username}' registered new client '{$clientName}'");

    }

    

    public static function logAgentRegistration($userId, $username, $agentName) {

        self::logActivity($userId, 'agent_registration', "Admin '{$username}' registered new agent '{$agentName}'");

    }

    

    private static function getClientIP() {

        $ipKeys = ['HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'REMOTE_ADDR'];

        foreach ($ipKeys as $key) {

            if (array_key_exists($key, $_SERVER) === true) {

                foreach (explode(',', $_SERVER[$key]) as $ip) {

                    $ip = trim($ip);

                    if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {

                        return $ip;

                    }

                }

            }

        }

        return $_SERVER['REMOTE_ADDR'] ?? 'Unknown';

    }

    

    public static function getUserActivities($userId = null, $limit = 50) {

        self::init();

        

        if ($userId) {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                WHERE ua.user_id = :user_id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':user_id' => $userId, ':limit' => $limit]);

        } else {

            $stmt = self::$pdo->prepare('

                SELECT ua.*, u.first_name, u.last_name, u.username, u.role

                FROM user_activity ua

                JOIN users u ON ua.user_id = u.id

                ORDER BY ua.created_at DESC

                LIMIT :limit

            ');

            $stmt->execute([':limit' => $limit]);

        }

        

        return $stmt->fetchAll();

    }

}

?>