let accessToken;

const getAccessToken = async () => {
    try {
        const response = await fetch('https://accounts.spotify.com/api/token', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded'
            },
            body: new URLSearchParams({
                grant_type: 'client_credentials',
                client_id: 'your-client-id',
                client_secret: 'your-client-secret'
            })
        });

        const data = await response.json();

        if (data.access_token) {
            accessToken = data.access_token;
            return accessToken;
        } else {
            console.error("no access_token in response", data);
            return null;
        }
    } catch (err) {
        console.error(err);
        return null;
    }
};

const watchCarti = async () => {
    if (!accessToken) {
        console.log("Fetching new token...");
        accessToken = await getAccessToken();
    }

    fetch('https://api.spotify.com/v1/artists/699OTQXzgjhIYAHMy9RyPD/albums?include_groups=album&market=US', {
        headers: {
            "Authorization": `Bearer ${accessToken}`
        }
    })
    .then(res=>res.json())
    .then(data=>iAmMusic(data.items.map(o => o.name)))
    .catch(err=>console.error(err))
}

const iAmMusic = (albums) => {
    const time = new Date();
    if (albums.length == 3) {
        console.log(`[${time.toLocaleTimeString()}] no album yet\nCurrent albums: ${albums.join(', ')}\n`);
    } else {
        console.log(`-`.repeat(24));
        console.log(`[${time.toLocaleTimeString()}] album is here! ${albums.join(', ')}`);
        console.log(`-`.repeat(24));
    }
}

watchCarti();
setInterval(watchCarti, 15 * 1000);