const fs = require("fs");

const Mastodon = require("mastodon");

const { ACCESS_TOKEN } = process.env;

const tootLength = 500;

// Mastodon always considers links to be 23 chars, see https://docs.joinmastodon.org/user/posting/#links

const mastodonLinkLength = 23;

const mastodon = new Mastodon({

access_token: ACCESS_TOKEN,

timeout_ms: 60 * 1000,

api_url: "https://serenityos.social/api/v1/",

});

(async () => {

const githubEvent = JSON.parse(fs.readFileSync(0).toString());

const toots = [];

for (const commit of githubEvent["commits"]) {

const authorLine = `Author: ${commit["author"]["name"]}`;

const maxMessageLength = tootLength - authorLine.length - mastodonLinkLength - 2; // -2 for newlines

const commitMessage =

commit["message"].length > maxMessageLength

? commit["message"].substring(0, maxMessageLength - 2) + "…" // Ellipsis counts as 2 characters

: commit["message"];

toots.push(`${commitMessage}\n${authorLine}\n${commit["url"]}`);

}

for (const toot of toots) {

try {

await mastodon.post("statuses", { status: toot, visibility: "unlisted" });

} catch (e) {

console.error("Failed to post a toot!", e.message);

}

}

})();