import { defineStore } from "pinia";
import { computed, ref } from "vue";

import { getHealth } from "@/services/health.service";
import type { HealthData } from "@/types/api";

export const useAppStore = defineStore("app", () => {
  const health = ref<HealthData | null>(null);
  const checkingHealth = ref(false);
  const healthError = ref<string | null>(null);
  const isOnline = computed(() => health.value?.status === "ok");

  async function refreshHealth() {
    checkingHealth.value = true;
    healthError.value = null;
    try {
      health.value = await getHealth();
    } catch {
      health.value = null;
      healthError.value = "后端服务不可用";
    } finally {
      checkingHealth.value = false;
    }
  }

  return { health, checkingHealth, healthError, isOnline, refreshHealth };
});