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/***********************************************************************
* State file processing *
***********************************************************************/
function statusString() {
const now = Date.now();
const elapsedSeconds = Math.floor((now - window.started) / 1000);
const minutes = Math.floor(elapsedSeconds / 60);
const seconds = elapsedSeconds % 60;
const pad = (n) => n < 10 ? '0' + n : n;
return `Card ${window.index + 1} of ${window.cards.length} scheduled for review, ${window.allCards.length} total
Current session: ${pad(minutes)}:${pad(seconds)}`;
}
function loadCard(card) {
window.card.revealed = false;
window.card.front.innerHTML = card.front;
window.card.front.style.display = "block";
window.card.back.innerHTML = card.back;
window.card.back.style.display = "none";
window.buttons.style.display = "none";
}
function flipCard() {
window.card.revealed = true;
// Reveal the "back".
if (window.card.front.style.display !== "block") {
window.card.front.style.display = "block";
window.card.back.style.display = "none";
} else {
window.card.front.style.display = "none";
window.card.back.style.display = "block";
}
// Reveal the buttons.
window.buttons.style.display = "flex";
}
function rateCard(difficulty) {
if (!window.card.revealed) {
return;
}
// if (difficulty === "forgot") {
// }
if (++window.index < window.cards.length) {
loadCard(window.cards[window.index]);
} else {
clearInterval(window.updateInterval);
window.statusInfo.innerHTML = "Session complete!";
window.flashcard.style.display = "none";
window.buttons.style.display = "none";
}
}
// Todo: check if card is revealed before allowing button inpt.
function loadCards(data) {
document.getElementById('flashcard').style.display = "block";
window.allCards = data;
window.index = 0;
window.started = Date.now();
window.statusInfo = document.getElementById('status-info');
window.buttons = document.getElementById('button-container');
window.card = {
front: document.getElementById('flashcard-front'),
back: document.getElementById('flashcard-back')
};
document.getElementById('rating-button-forgot')
.addEventListener('click', () => rateCard('forgot'));
document.getElementById('rating-button-hard')
.addEventListener('click', () => rateCard('hard'));
document.getElementById('rating-button-medium')
.addEventListener('click', () => rateCard('medium'));
document.getElementById('rating-button-easy')
.addEventListener('click', () => rateCard('easy'));
let today = new Date();
// Granularity only at the day level.
today.setHours(0, 0, 0, 0);
window.cards = data.filter((card) => {
return (new Date(card.scheduled)) <= today;
});
// Temporary
loadCard(window.cards[0]);
window.updateInterval = setInterval(() => {
window.statusInfo.innerText = statusString()
}, 1000);
}
/***********************************************************************
* Status display *
***********************************************************************/
function showToast(message, duration = 3000) {
const toast = document.getElementById("toast");
toast.textContent = message;
// Show the toast
toast.classList.add("show");
// Hide the toast after specified time
setTimeout(() => {
toast.classList.remove("show");
}, duration);
}
window.addEventListener("load", (event) => {
document.getElementById('cards-input').addEventListener('change', function(event) {
const file = event.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = function(e) {
try {
const content = e.target.result;
loadCards(JSON.parse(content));
} catch (error) {
console.error("JSON Parsing Error:", error);
}
};
reader.onerror = function(error) {
document.getElementById('result').textContent = "Error reading file: " + error;
console.error("File Reading Error:", error);
};
reader.readAsText(file); // Read the file as text
});
});
window.addEventListener('keydown', (event) => {
// console.log(event.code);
if (event.code === 'Space') {
flipCard();
} else if (event.code === 'Digit1' || event.code === "Numpad1") {
rateCard('forgot')
} else if (event.code === 'Digit2' || event.code === "Numpad2") {
rateCard('easy')
} else if (event.code === 'Digit3' || event.code === "Numpad3") {
rateCard('medium')
} else if (event.code === 'Digit4' || event.code === "Numpad4") {
rateCard('hard')
}
});
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