Library/script.js at main · JapmeetBrar/Library · GitHub

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let myLibrary = [
  { title: "Harry Potter", author: "JK Rowling", pages: 3000, isRead: true },
  {
    title: "Lord of the Rings",
    author: "J.R.R. Tolkien",
    pages: 500,
    isRead: true,
  },
];

let btnOpen = document.querySelector(".newBook");
let btnClose = document.querySelector(".cancel");
let form = document.querySelector(".formPopup");
let container = document.querySelector(".container");
let btnSubmit = document.querySelector(".submit");
let titleInput = document.querySelector("#title");
let authorInput = document.querySelector("#author");
let pagesInput = document.querySelector("#pages");
let isReadInput = document.querySelector("#read");
// let header = document.querySelector('.header');

// header.addEventListener('mouseenter', function(e){
//     header.style.color = "#" + Math.floor(Math.random()*16777215).toString(16);
// })

btnOpen.addEventListener("click", popupWindow);

function popupWindow() {
  form.style.display = "block";
}

btnClose.addEventListener("click", () => (form.style.display = "none"));

btnSubmit.addEventListener("click", function () {
  if (validateForm()) {
    addBookToLibrary(
      titleInput.value,
      authorInput.value,
      pagesInput.value,
      isReadInput.checked
    );

    form.style.display = "none";
  }
});

myLibrary.forEach((book) => {
  displayBook(book);
});

function validateForm() {
  if (titleInput.validity.valueMissing) {
    titleInput.setCustomValidity("Enter a Title");
    titleInput.reportValidity();
    return false;
  } else if (authorInput.validity.valueMissing) {
    authorInput.setCustomValidity("Enter an Author");
    authorInput.reportValidity();
    return false;
  } else if (pagesInput.validity.valueMissing) {
    pagesInput.setCustomValidity("Enter # of Pages");
    pagesInput.reportValidity();
    return false;
  } else {
    return true;
  }
}

function displayBook(book) {
  let card = document.createElement("div");
  let titleText = document.createElement("h3");
  let authorText = document.createElement("p");
  let pagesText = document.createElement("p");
  let readButton = document.createElement("button");
  let delButton = document.createElement("input");
  let box = document.createElement("div");
  let span = document.createElement("span");

  card.id = book.title;

  box.className = "box";

  delButton.type = "image";
  delButton.src = "../Library/red-cross.png";
  delButton.width = "50";
  delButton.height = "50";

  delButton.addEventListener("click", () => {
    deleteBook(book);
  });
  span.textContent = book.title;
  titleText.textContent = "Title: ";
  titleText.appendChild(span);

  authorText.textContent = "Author: " + book.author;
  pagesText.textContent = "Pages: " + book.pages;

  if (book.isRead) {
    readButton.className = "btn-status btn-read";
    readButton.textContent = "READ!";
    card.className = "card read";
  } else {
    readButton.className = "btn-status btn-notread";
    readButton.textContent = "NOT READ!";
    card.className = "card not-read";
  }

  readButton.addEventListener("click", () => {
    toggleButton(readButton, book, card);
  });

  box.append(readButton, delButton);
  card.append(titleText, authorText, pagesText, box);
  container.appendChild(card);
}

function toggleButton(button, book, card) {
  if (button.className.includes("btn-read")) {
    button.className = "btn-status btn-notread";
    button.textContent = "NOT READ!";
    book.isRead = false;
    card.className = "card not-read";
  } else {
    button.className = "btn-status btn-read";
    button.textContent = "READ!";
    book.isRead = true;
    card.className = "card read";
  }
}

function deleteBook(book) {
  container.removeChild(document.getElementById(book.title));
}

function Book(title, author, pages, isRead) {
  this.title = title;
  this.author = author;
  this.pages = pages;
  this.isRead = isRead;
}

function addBookToLibrary(title, author, pages, isRead) {
  let exists = false;
  myLibrary.forEach((book) => {
    if (book.title === title) {
      alert("THAT BOOK ALREADY EXISTS");
      exists = true;
    }
  });
  if (exists == false) {
    let newbook = new Book(title, author, pages, isRead);
    myLibrary.push(newbook);
    displayBook(newbook);
  }
}