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dotfiles/.bauke/scripts/tauon-controls.ts

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import { Command } from "./dependencies.ts";
import { pathExists } from "./utilities.ts";
const hiddenApi = "http://127.0.0.1:7813";
const remoteApi = "http://127.0.0.1:7814/api1";
async function main(): Promise<void> {
const { options } = await new Command()
.name("tauon-controls")
.description("Small remote control CLI for Tauon Music Box!")
.option("--current-song", "Get the currently playing song.")
.option("--next-song", "Play the next song.")
.option("--play-pause", "Toggle play or pause.")
.option("--previous-song", "Play the previous song.")
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.option("--print <print:string>", "Print data from the current song.")
.option(
"--volume <volume:number>",
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"Change the volume by a relative amount.",
)
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.option("--write-image", "Write the album cover image to a temporary file.")
.parse(Deno.args);
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if (options.currentSong) {
await getCurrentSong();
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}
if (options.nextSong) {
await fetch(`${remoteApi}/next`);
}
if (options.playPause) {
await fetch(`${hiddenApi}/playpause/`);
}
if (options.previousSong) {
await fetch(`${remoteApi}/back`);
}
if (options.volume !== undefined) {
await fetch(`${remoteApi}/setvolumerel/${options.volume}`);
}
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if (options.print !== undefined) {
const status = await getStatus();
const progressPercentage = ((status.progress / status.track.duration) * 100)
.toFixed(2);
const markersAndReplacements = [
["album", status.album],
["artist", status.artist],
["title", status.title],
["progress", progressPercentage],
];
let formattedString = options.print;
for (const [marker, replacement] of markersAndReplacements) {
const regex = new RegExp(`<${marker}>`, "g");
formattedString = formattedString.replace(regex, replacement);
}
console.log(formattedString);
}
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if (options.writeImage) {
const status = await getStatus();
const path = `/tmp/tauon-cover-${status.id}.jpg`;
if (await pathExists(path)) {
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console.log(path);
return;
}
const image = await fetch(`${remoteApi}/pic/medium/${status.id}`);
if (image.body === null) {
return;
}
const imageBuffer = new Uint8Array(await image.arrayBuffer());
await Deno.writeFile(path, imageBuffer);
console.log(path);
}
}
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/** The status data from Tauon's remote API. */
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type Status = {
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album: string;
artist: string;
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id: number;
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progress: number;
status: "playing" | "paused" | "stopped";
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title: string;
track: {
duration: number;
};
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};
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/** Get the {@linkcode Status} from Tauon's remote API. */
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async function getStatus(): Promise<Status> {
return await (await fetch(`${remoteApi}/status`)).json();
}
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/** Print the current song's artist and title. */
async function getCurrentSong(): Promise<void> {
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const status = await getStatus();
if (status.status === "playing") {
console.log(`${status.artist} - ${status.title}`);
} else {
console.log("");
}
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}
if (import.meta.main) {
void main();
}