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script.js
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script.js
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const API_URL = 'https://db.ygoprodeck.com/api/v7/cardinfo.php';
const cardDescriptionElement = document.querySelector('.card-desc');
const cardInputElement = document.querySelector('#card-input');
const errorTextElement = document.querySelector('.error-text');
const searchButtonElement = document.querySelector('.search-button');
const cardImageElement = document.querySelector('.card-img');
const cardNameElement = document.querySelector('.card-name');
const select = document.querySelector('select');
searchButtonElement.addEventListener('click', handleSearch);
cardInputElement.addEventListener('keydown', event => {
if (event.key === 'Enter') handleSearch();
});
select.addEventListener('keydown', event => {
if (event.key === 'Enter') handleSearch();
})
select.addEventListener('change', () => {
cardInputElement.value = select.options[select.selectedIndex].text;
})
select.addEventListener('click', () => {
cardInputElement.value = select.options[select.selectedIndex].text;
})
async function fn() {
select.innerHTML = "";
select.style.visibility = "hidden";
if (isInputEmpty(cardInputElement)) {
return;
}
const response = await fetch(`${API_URL}?fname=${cardInputElement.value.trim()}&language=pt`);
if (!response.ok) {
throw new Error("Carta não encontrada.");
}
const cards = await response.json();
for (const card of cards.data) {
const opt = document.createElement('option');
opt.innerText = card.name;
select.appendChild(opt);
}
select.size = Math.min(cards.data.length, 7);
select.style.visibility = select.size === 1 ? "hidden" : "visible";
select.size = select.size === 1 ? 2 : select.size;
}
async function handleSearch() {
displayError('');
try {
if (isInputEmpty(cardInputElement)) {
select.style.visibility = "hidden";
throw new Error('Campo vazio.');
}
await fn();
const inputValue = cardInputElement.value.trim();
if (localStorage.getItem(inputValue)) {
displayCardInfo(inputValue);
} else {
const { name, desc, card_images } = await fetchCardInfo(inputValue);
cacheData(name, card_images[0].image_url_cropped, desc);
displayCardInfo(name);
}
} catch (error) {
console.error(error);
displayError(error.message);
}
}
async function fetchCardInfo(cardName) {
const response = await fetch(`${API_URL}?name=${cardName}&language=pt`);
if (!response.ok) {
select.style.visibility = "visible";
throw new Error('Tente por:');
}
const cardData = await response.json();
return cardData.data[0];
}
function isInputEmpty(input) {
return input.value.trim() === '';
}
function displayError(message) {
errorTextElement.innerText = message;
}
function displayCardInfo(name) {
const info = JSON.parse(localStorage.getItem((name)));
cardNameElement.innerText = name;
cardImageElement.src = info.imageUrl;
cardImageElement.alt = name;
cardImageElement.title = name;
cardDescriptionElement.innerText = info.desc;
}
function cacheData(name, imageUrl, desc) {
if (!localStorage.getItem(name)) {
localStorage.setItem(name, JSON.stringify({ imageUrl, desc }));
}
}