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

export const displayTopic = '/user/queue/simulation'; // 其他仿真topic

export const perpetualTopic = '/user/topic/message'; // 公用topic
export const roomTopic = '/user/queue/room'; // 房间topic
export const jl3dTopic = '/user/queue/simulation/jl3d'; //  三维topic
export const LPFTopic = '/user/queue/simulation/passenger'; //  客流topic
export const iscsTopic = '/topic/simulation/iscs'; // iscs topic

export function getTopic(type, group) {
    let topic = '';
    switch (type) {
    case 'SYSTIME':
        // topic = `/user/queue/simulation/${group}/sysTime`;
        topic = `/queue/simulation/${group}/sysTime`;
        break;
    case 'ATS':
        // topic = `/user/queue/simulation/${group}/ats`;
        topic = `/queue/simulation/${group}/ats`;
        break;
    case 'STATE':
        // topic = `/user/queue/simulation/${group}/state`;
        topic = `/queue/simulation/${group}/state`;
        break;
    case 'ISCS':
        topic = '/topic/simulation/iscs';
        break;
    }
    return topic;
}

// 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) {
        if (Response.headers.destination.includes('ats')) {
            const data = {res:JSON.parse(Response.body), type:'ats' };
            store.dispatch('socket/handleSock', data);
        } else if (Response.headers.destination.includes('sysTime')) {
            store.dispatch('socket/setSimulationTimeSync', Number.parseInt(Response.body));
        } else if (Response.headers.destination.includes('state')) {
            store.dispatch('socket/handleSimulationState', Number.parseInt(Response.body));
        } else if (Response.headers.destination.includes('iscs')) {
            store.dispatch('socket/handleIscsState', JSON.parse(Response.body));
        } else {
            const 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);
    }
}

// 断开连接
export function disconnect() {
    if (Vue.prototype.$stomp) {
        Vue.prototype.$stomp.disconnect();
    }
}