import Vue from 'vue';
import StompClient from '@/utils/sock';
import store from '@/store';

export const perpetualTopic = '/user/topic/message'; // 公用topic
export const displayTopic = '/user/queue/simulation'; // 其他仿真topic
export const screenTopic = '/user/queue/simulation/bigScreen';	// 大屏仿真
export const planTopic = '/user/queue/simulation/plan'; // 测试运行仿真

// 建立连接并订阅地址
export function creatSubscribe(topic, header) {
	try {
		if (!Vue.prototype.$stomp) {
			Vue.prototype.$stomp = new StompClient();
		}
		Vue.prototype.$stomp.subscribe(topic, callback, header);
	} catch (error) {
		console.error('websocket订阅失败');
	}
}

// 回调函数
function callback(Response) {
	if (store) {
		var data = JSON.parse(Response.body);
		store.dispatch('socket/setStomp', data);
	} else {
		callback(Response);
	}
}

// 删除订阅路径
export function clearSubscribe(topic) {
	if (Vue.prototype.$stomp) {
		Vue.prototype.$stomp.unsubscribe(topic);
	}
}