import { defineStore } from "pinia";
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import { ref } from "vue";
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import cache from "../utils/cache";
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import { EventSourcePolyfill } from "event-source-polyfill";
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import type { BedsideAuxiliaryScreen } from "./type/bedsideAuxiliaryScreen.type";
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import {
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defaultDeviceData,
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defaultconsumablesCollection,
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formatDeviceData,
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} from "./type/bedsideAuxiliaryScreen.type";
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import { ElMessage } from "element-plus/es";
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export const useBedsideAuxiliaryScreenStore = defineStore(
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"bedsideAuxiliaryScreen",
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() => {
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/** 设备编号 */
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const deviceCode = ref<string>(cache.get("devcieCode") || "");
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/** 设备信息数据 */
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const deviceData = ref<BedsideAuxiliaryScreen>(defaultDeviceData());
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/**
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* 设置设备编号
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* @param code
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*/
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const setDeviceCode = (code: string) => {
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deviceCode.value = code;
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cache.set("devcieCode", code);
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};
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// SSE 相关状态
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const source = ref<EventSource | null>(null);
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const message = ref<string | null>(null);
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const isConnected = ref(false);
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// 重连控制
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let retryCount = 0;
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const maxRetryCount = 60;
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const baseRetryDelay = 1000; // 1秒开始重连延迟
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/**
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* 连接 SSE 服务
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* @param url SSE 地址
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*/
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const connect = (url: string) => {
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if (source.value) return; // 已连接，避免重复连接
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ElMessage.success("正在连接设备，请稍候...");
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source.value = new EventSourcePolyfill(url, {
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heartbeatTimeout: 60000,
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});
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source.value.onopen = () => {
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console.log("[SSE] 连接成功");
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ElMessage.success("链接服务成功");
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isConnected.value = true;
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retryCount = 0; // 成功连接后重置重试计数
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};
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source.value.onerror = (e) => {
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console.warn("[SSE] 错误，等待重连中", e);
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isConnected.value = false;
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close(); // 关闭旧连接，避免残留
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if (retryCount < maxRetryCount) {
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const delay = baseRetryDelay * Math.pow(2, retryCount); // 指数退避
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retryCount++;
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console.log(`[SSE] 第${retryCount}次重连，延迟${delay}ms`);
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ElMessage.warning(
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`链接服务失败， 第${retryCount}次重连,请耐心等待重连。。`
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);
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setTimeout(() => {
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connect(url);
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}, delay);
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} else {
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console.error("[SSE] 重连次数达到上限，停止重连");
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ElMessage.error("重连次数达到上限，请检查网络或设备状态");
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}
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};
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source.value.onmessage = (e) => {
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console.log("[SSE] 消息:", e.data);
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const msg = e.data;
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let dif = msg.indexOf("event:message");
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let beng = msg.indexOf("{");
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let end = msg.length - 1;
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if (beng !== -1 && end !== -1 && dif !== -1) {
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const datax = msg.slice(beng, end + 1);
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const dataBody = JSON.parse(datax);
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console.log("dataBody: ", dataBody);
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// 倒计时提示文本
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if (dataBody.倒计时?.提示文本) {
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}
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deviceData.value = formatDeviceData(dataBody);
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}
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};
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};
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/**
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* 关闭 SSE 连接
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*/
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const close = () => {
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if (source.value) {
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source.value.close();
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source.value = null;
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isConnected.value = false;
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console.log("[SSE] 连接已关闭");
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}
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};
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/** 刷新 SSE 连接 */
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const refresh = (url: string) => {
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retryCount = 0;
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close(); // 先关闭旧连接
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connect(url); // 再重新连接
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};
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return {
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deviceCode,
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deviceData,
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setDeviceCode,
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source,
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message,
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isConnected,
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connect,
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close,
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refresh,
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};
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}
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);
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