index.js

const path = require('path');
const fs = require('fs');
const validateLinks = require('./modules/validate.js');
const stats = require('./modules/stats.js');
const read = require('./modules/readMarkdown.js');
const convert = require('./modules/convertMarkdown.js');
const broken = require('./modules/broken');
const help = require('./modules/help');

module.exports = mdLinks = (url,optionOne,optionTwo) =>{

    const comandos = new Promise ( (resolve,reject) => {

        if(url === 'help'){
            const instrucciones = help();
            resolve(instrucciones);   
        }    
        else if(url != null && optionOne == null && optionTwo == null){
                // const URL = path.resolve(url);
                read(url)
                .then((data)=>{
                    // console.log(data);
                    return convert(data,url)
                })
                .then((arrayObject)=>{
                    resolve(arrayObject);
                })
                .catch((error)=>{
                    reject(error);
                })
            }
        else if(url != null && optionOne != null && optionTwo == null){
            if(optionOne === '--validate'){
                read(url)
                .then((data)=>{
                    return convert(data,url);   
                })
                .then((arrayObject)=>{
                    return validateLinks(arrayObject);
                    
                })
                .then((objectValidated)=>{
                    return Promise.all(objectValidated);
                })
                .then(data => resolve(data))
                .catch((error)=>{
                    reject(error);
                })
            }
            else if(optionOne === '--stats'){
                read(url)
                .then((data)=>{
                    return convert(data,url);
                })
                .then((arrayObject)=>{
                    return stats(arrayObject);
                })
                .then(data=> resolve(data))  
                .catch((error)=>{
                    reject(error);
                })
            }
            else{
                const err = new Error('Opcion no valida, utiliza: mdLinks HELP');
                return resolve(err);    
            }    
        }    
        else if(url != null && optionOne === '--stats' && optionTwo === '--validate'){
            read(url)
                .then((data)=>{
                    return convert(data,url);
                })
                .then((arrayObject)=>{
                    return validateLinks(arrayObject);   
                })
                .then((objectValidated)=>{
                    return Promise.all(objectValidated);
                })
                .then((data) =>{
                    const objectStats = stats(data);
                    return broken(objectStats,data);
                })
                .then(statsBroken => resolve(statsBroken)) 
                .catch((error)=>{
                    reject(error);
                })
        }
        else{
            const error = 'Error, deberias ingresar una ruta al menos o ingresa mdLinks help'
            reject(error);
        }
});

return comandos;
        
}