cor-message-manager.swift

final class MessageManager {
    private var handlers: [MessageHandler]
    
    init() {
        handlers = [
            OrionMessageHandler(),
            VoyagerMessageHandler(),
            PerseveranceMessageHandler()
        ]
        
        buildHandlersChain()
    }
    
    private func buildHandlersChain() {
        for index in 0 ..< handlers.count - 1 {
            handlers[index].nextHandler = handlers[index + 1]
        }
    }
    
    func process(_ message: String) {
        do {
            try self.handlers.first?.process(message)
        } catch MessageError.unknown {
            print("🚨 El mensaje no pertenece a ninguno de los handler registrados")
        } catch let error {
            print("ERROR: \(error.localizedDescription)")
        }
    }
}