namespace TSE {

    export enum MessagePriority {
        NORMAL,
        HIGH
    }

    export class Message {

        public code: string;
        public context: any;
        public sender: any;
        public priority: MessagePriority;

        public constructor(code: string, sender: any, context?: any, priority: MessagePriority = MessagePriority.NORMAL) {
            this.code = code;
            this.context = context;
            this.sender = sender;
            this.priority = priority;
        }

        public static send(code: string, sender: any, context?: any): void {
            MessageBus.post(new Message(code, sender, context));
        }

        public static sendPriority(code: string, sender: any, context?: any): void {
            MessageBus.post(new Message(code, sender, context, MessagePriority.HIGH));
        }

        public static subscribe(code: string, handler: IMessageHanlder): void {
            MessageBus.addSubscription(code, handler);
        }

        public static unsubscribe(code: string, handler: IMessageHanlder): void {
            MessageBus.removeSubscription(code, handler);
        }

    }

}