drop-app/main/composables/downloads.ts

import { listen } from "@tauri-apps/api/event";
import type { DownloadableMetadata } from "~/types";

export type QueueState = {
  queue: Array<{
    meta: DownloadableMetadata;
    status: string;
    progress: number | null;
    current: number;
    max: number;
  }>;
  status: string;
};

export type StatsState = {
  speed: number; // Bytes per second
  time: number; // Seconds,
};

export const useQueueState = () =>
  useState<QueueState>("queue", () => ({ queue: [], status: "Unknown" }));

export const useStatsState = () =>
  useState<StatsState>("stats", () => ({ speed: 0, time: 0 }));

listen("update_queue", (event) => {
  const queue = useQueueState();
  queue.value = event.payload as QueueState;
});

listen("update_stats", (event) => {
  const stats = useStatsState();
  stats.value = event.payload as StatsState;
});