const child_process = require("child_process");
const fs = require("fs");

const newVersion = process.env.VERSION;

if (!newVersion) {
    console.log("Missing version");
    process.exit(1);
}

updateWiki(newVersion);

function updateWiki(newVersion) {
    const wikiDir = "./tmp/wiki";
    const howToUpdateFilename = "./tmp/wiki/🆙-How-to-Update.md";

    safeDelete(wikiDir);

    child_process.spawnSync("git", ["clone", "https://github.com/louislam/uptime-kuma.wiki.git", wikiDir]);
    let content = fs.readFileSync(howToUpdateFilename).toString();

    // Replace the version: https://regex101.com/r/hmj2Bc/1
    content = content.replace(/(git checkout )([^\s]+)/, `$1${newVersion}`);
    fs.writeFileSync(howToUpdateFilename, content);

    child_process.spawnSync("git", ["add", "-A"], {
        cwd: wikiDir,
    });

    child_process.spawnSync("git", ["commit", "-m", `Update to ${newVersion}`], {
        cwd: wikiDir,
    });

    console.log("Pushing to Github");
    child_process.spawnSync("git", ["push"], {
        cwd: wikiDir,
    });

    safeDelete(wikiDir);
}

function safeDelete(dir) {
    if (fs.existsSync(dir)) {
        fs.rmdirSync(dir, {
            recursive: true,
        });
    }
}