document.addEventListener("DOMContentLoaded", run);
// global var to control the animation of the text
var runTextAnimation = true;
function run() {
    initializeClickHandler();
}

function initializeClickHandler() {
    let welcome = document.getElementById("welcome");
    flyingText(welcome);
    document.addEventListener("click", (e) => {
        let overlay = document.getElementById("info-box");
        let curr = e.target;
        if (curr.className === "thumb") {
            runTextAnimation = false;
            hideElement(welcome);
            handleThumb(overlay, curr);
        } else if (curr.id === "btn-close") {
            runTextAnimation = true;
            flyingText(welcome);
            hideElement(overlay);
        }
    });
}

function handleThumb(overlay, elem) {
    let imgName = elem.dataset.img;
    showOverlay(overlay, imgName);
}

function showOverlay(overlay, imgName) {
    let info = getInfoForImg(imgName);
    // \xD7 is the multiplication sign in hex
    overlay.children[0].innerHTML =
        `
<div id="btn-close">\xD7</div>
<div class="magnify">
<img id=${imgName} src="/inc/images/${imgName}.jpg" alt="${imgName}" />
</div>

<table id="img-description">
<tr>
<th>Author:</th><td>${info.author}</td>
</tr>
<tr>
<th>Size:</th><td>${info.size}</td>
</tr>
<tr>
<th>Tools:</th><td>${info.tools}</td>
</tr>
<tr>
<th>Date:</th><td>${info.date}</td>
</tr>
<tr>
<th>Price:</th><td>${info.price}</td>
</tr>
<tr>
<th colspan="2">Description:</th>
</tr>
<tr>
<td colspan="2">${info.desc}</td>
</tr>
<tr>
<th colspan="2"><a href="${info.blog}">Read more...</a></th>
</tr>
</table>`;
    overlay.classList.remove("hidden");
    // call my zoom function (zoom.js)
    zoom(0.4, imgName);
}

function hideElement(elem) {
    elem.classList.add("hidden");
}

// Get info from server
function getInfoForImg(imgName) {
    let info = {author: "Philip Gaber", size: "1920x1080 @24MP", tools: "Sony a5100", date: "2019-10-10",
                desc: "A couple words about the piece of art. I like trees, I am groot, Winter is coming!!!", price: "2999,99 €",
                blog: "./blog/some/url"};
    return info;
}