import {ref} from 'vue'
import { defineStore } from 'pinia';

// 定义回调类型
type TimerCallback = () => void;

export const useGlobalTimerStore = defineStore('globalTimer', () => {
  const intervalId = ref<number | null>(null); // 定时器 ID
  const refreshIntervalMs = ref(300000); // 默认刷新间隔（5 分钟）
  const registeredCallbacks = ref<TimerCallback[]>([]); // 注册的回调函数列表

  // 注册回调
  const registerCallback = (callback: TimerCallback) => {
    if (typeof callback === 'function' && !registeredCallbacks.value.includes(callback)) {
      registeredCallbacks.value.push(callback);
    }
  };

  // 注销回调
  const unregisterCallback = (callback: TimerCallback) => {
    const index = registeredCallbacks.value.indexOf(callback);
    if (index !== -1) {
      registeredCallbacks.value.splice(index, 1);
    }
  };

  // 启动定时器
  const startTimer = () => {
    if (!intervalId.value) {
      intervalId.value = window.setInterval(() => {
        registeredCallbacks.value.forEach((callback) => callback());
      }, refreshIntervalMs.value);
    }
  };

  // 停止定时器
  const stopTimer = () => {
    if (intervalId.value) {
      clearInterval(intervalId.value);
      intervalId.value = null;
    }
  };

  // 设置定时器间隔
  const setRefreshInterval = (interval: number) => {
    refreshIntervalMs.value = interval;
    stopTimer();
    startTimer();
  };

  return {
    refreshIntervalMs,
    registerCallback,
    unregisterCallback,
    startTimer,
    stopTimer,
    setRefreshInterval,
  };
});