Writer.js

const fs = require("node:fs");
var exec = require("child_process").exec;
console.log("Writing some Dot Dot");
// Check to see if the -f argument is present
const strict = process.argv.indexOf("-s") > -1 ? true : false;

// Checks for --custom and if it has a value
const artistIndex = process.argv.indexOf("-a");
let artistValue;
var args = process.argv.slice(2);
console.log(args)
if (artistIndex > -1) {
    
    // Retrieve the value after --custom
    artistValue = process.argv[artistIndex + 1];
} else {
    throw Error("No Artist");
}

const artist = artistValue || "Mark Almond";

// Checks for --custom and if it has a value
const titleIndex = process.argv.indexOf("-t");
let titleValue;
if (titleIndex > -1) {
    // Retrieve the value after --custom
    titleValue = process.argv[titleIndex + 1];
} else {
    throw Error("No Title");
}
const title = titleValue || "What Am I Living For";

console.log("strict:", `${strict}`);
console.log("title:", `${title}`);
console.log("artist:", `${artist}`);

// Run Commands
async function runCMD(cmd) {
    return new Promise(function (resolve, reject) {
        exec(cmd, (err, stdout, stderr) => {
            if (err) {
                reject(err);
            } else {
                resolve({ stdout, stderr });
            }
        });
    });
}

const getLyrics = async (title, artist) => {
    const respone = await fetch(`https://lyrist.vercel.app/api/${title}/${artist}`);

    let object = await respone.json();

    if (object.lyrics) {
        return object;
    }

    throw Error("Lyric Fetch Failed");
};

const splitWords = (lyrics) => {
    lyrics = lyrics.replace(/ *\[[^\]]*]/g, "");
    const splitOne = lyrics.split(/[ ,]+/);
    let splitWords = [];
    splitOne.map((word) => {
        let thisWord = word.split(/\r?\n|\r|\n/g);
        splitWords = [...splitWords, ...thisWord];
    });
    return splitWords.filter((n) => n);
};

const createGraphViz = async () => {
    const songData = await getLyrics(title, artist);
    const songLyrics = songData.lyrics;
    const songArtist = songData.artist;
    const songTitle = songData.title;

    console.log("Found lryics for " + songArtist + " " + songTitle);

    let words = splitWords(songLyrics);

    let string = strict ? "strict" : "";
    string += ` digraph {
    ratio=0.7;
    pad=0.5;
    `;
    words.map((word, i) => {
        word = word.replace('"', "`");
        word = word.replace(")", "");
        word = word.replace("(", "");
        word = word.replace(`"`, `'`);

        word = word.toLowerCase();
        string += '"' + word + '"';
        if (i != words.length - 1) {
            string += " -> ";
        }
    });

    string += `
    labelloc="t";
    fontsize = 50
    label="${songArtist} - ${songTitle}";}`;

    let filename = songArtist.replace(/ /g, "_") + "---" + songTitle.replace(/ /g, "_");

    fs.writeFile(`${filename}.dot`, string, (err) => {
        if (err) {
            console.error(err);
        } else {
            runCMD(`dot ${filename}.dot -Tpng -O -n`);
            runCMD(`dot ${filename}.dot -Tsvg -O -n`);
        }
    });
};

createGraphViz();