script.js

const quoteContainer = document.getElementById('quote-container');
const quoteText = document.getElementById('quote');
const authorText = document.getElementById('author');
const twitterBtn = document.getElementById('twitter');
const newQuoteBtn = document.getElementById('new-quote');
const loader = document.getElementById('loader');

// Show Loading
function showLoadingSpinner(){
    loader.hidden = false;
    quoteContainer.hidden = true;
}

// Hide Loading
function removeLoadingSpinner(){
    if(!loader.hidden){
        quoteContainer.hidden = false;
        loader.hidden = true;
    }
}

// Get Quote from API 
async function getQuote(){

    showLoadingSpinner();
    const proxyUrl = 'https://aqueous-chamber-23345.herokuapp.com/';
    const apiUrl = 'http://api.forismatic.com/api/1.0/?method=getQuote&lang=en&format=json';
    
    try{
        const response = await fetch(proxyUrl+apiUrl);
        const data = await response.json();
        
        // If Author is blank and unknown
        if(data.quoteAuthor===''){
            authorText.innerText = 'Unknown';
        }else{
            authorText.innerText = data.quoteAuthor;
        }

        // Reduce font size for long quotes
        if(data.quoteText.length > 120){
            quoteText.classList.add('long-quote');
        }else{
            quoteText.classList.remove('long-quote');  
        }
        quoteText.innerText = data.quoteText;
        // Stop Loader, Show Quote
        removeLoadingSpinner();
    }catch(error){
        getQuote();
    }
}

// Tweet Quote
function tweetQuote(){
    const quote = quoteText.innerText;
    const author = authorText.innerText;
    const twitterUrl = `https://twitter.com/intent/tweet?text=${quote} - ${author}`;
    window.open(twitterUrl,'_blank');

}

// Event Listeners
newQuoteBtn.addEventListener('click',getQuote);
twitterBtn.addEventListener('click',tweetQuote);

// On Load
getQuote();
loading();