carts.js

function addItemToCart() {
    var itemName = localStorage.getItem('itemName');
    var itemPrice = localStorage.getItem('itemPrice');
    addToCart(itemName, itemPrice);
}

const addToCart = function(name, price){
    let cartItems = localStorage.getItem('cartItems');
    cartItems = cartItems ? JSON.parse(cartItems) : [];
    if(name==null && price==null) return;
    const existingItem = cartItems.find(item => item.name === name);
    if (!existingItem) {
        cartItems.push({ name, price });
        localStorage.setItem('cartItems', JSON.stringify(cartItems));
    }

    updateCartDisplay();
    calculateBill();
    
}

const updateCartDisplay = function() {
    const cartBody = document.querySelector(".items");
    cartBody.innerHTML = '';
    let cartItems = localStorage.getItem('cartItems');
    cartItems = cartItems ? JSON.parse(cartItems) : [];

    cartItems.forEach(item => {
        const cartRow = document.createElement("tr");
        const cartItemName = document.createElement("td");
        const cartItemPrice = document.createElement("td");
        cartItemName.innerText = item.name;
        cartItemPrice.innerText = item.price;
        cartItemPrice.classList.add("price");
        cartRow.appendChild(cartItemName);
        cartRow.appendChild(cartItemPrice);
        cartBody.appendChild(cartRow);
    });
}


// calculate total bill amount
let total = 0;
const calculateBill = ()=>{
    itemPrices = document.querySelectorAll(".price");
    for (p of itemPrices){
        if (p!=null){
            console.log(p.innerText);
            total += parseFloat(p.innerText.replace('$',''));
        }
    }

    console.log(total);
    if(total!=0 && (!(isNaN(total)))){
        document.getElementById("bill").innerText = "$" + total.toFixed(2)
    }
    
}

document.addEventListener('DOMContentLoaded', function () {
    addItemToCart();
});

// let orderBtn = document.querySelector(".butt");
// orderBtn.addEventListener("click", ()=>{
//     if(total==0){
//        alert("Please add something in the cart to place the order");
//    }
//    else{
        
//        alert("Order placed!");
//    }
// })


// const applyFirstTimeDiscount = () => {
//     let isFirstTimeUser = localStorage.getItem('isFirstTimeUser');
//     if (!isFirstTimeUser) {
//         const couponCode = generateCouponCode();
//         localStorage.setItem('couponCode', couponCode);
//         localStorage.setItem('isFirstTimeUser', true);
//         document.getElementById('couponCode').innerText = `Use coupon code ${couponCode} for 30% off!`;
//         alert(`Congratulations! Your coupon code is ${couponCode}. You've received a 30% discount on your first order.`);
//     }
// }

// bringing new cart to it

// document.addEventListener('DOMContentLoaded', () => {
//     loadCartFromLocalStorage();

//     document.getElementById('cart-items').addEventListener('click', (event) => {
//         if (event.target.classList.contains('increase-quantity')) {
//             updateQuantity(event.target, 1);
//         } else if (event.target.classList.contains('decrease-quantity')) {
//             updateQuantity(event.target, -1);
//         }
//     });
// });

// function loadCartFromLocalStorage() {
//     const cartItems = JSON.parse(localStorage.getItem('cartItems')) || [];
//     const cartItemsContainer = document.getElementById('cart-items');
//     cartItemsContainer.innerHTML = ''; // Clear existing items

//     cartItems.forEach(item => {
//         cartItemsContainer.appendChild(createCartItemElement(item));
//     });

//     console.log(cartItems);
//     updateTotal();
// }

// function updateQuantity(button, change) {
//     const cartItemRow = button.closest('.cart-item');
//     const quantityElement = cartItemRow.querySelector('.quantity');
//     const priceElement = cartItemRow.querySelector(".price");
//     const unitPrice = parseFloat(cartItemRow.getAttribute('data-product-price'));
//     const newQuantity = parseInt(quantityElement.textContent) + change;

//     if (newQuantity <= 0) return; // Prevent quantity from being less than 1

//     quantityElement.textContent = newQuantity;
//     priceElement.textContent = (unitPrice * newQuantity).toFixed(2);

//     const decreaseBtn = cartItemRow.querySelector(".decrease-quantity");
//     if (newQuantity == 1) {
//         decreaseBtn.classList.add("disable");
//     } else {
//         decreaseBtn.classList.remove("disable");
//     }

//     updateTotal();
//     saveCartToLocalStorage();
// }

// function updateTotal() {
//     const cartItems = document.querySelectorAll('.cart-item');
//     let total = 0.0;

//     cartItems.forEach(item => {
//         const price = parseFloat(item.getAttribute('data-product-price'));
//         const quantity = parseInt(item.querySelector('.quantity').textContent);
//         total += price * quantity;
//     });

//     document.getElementById('cart-total').innerHTML = (total != 0) ? `<span>Subtotal:</span> $${total.toFixed(2)}` : ``;
//     handleEmptyCart(total);
// }

// function saveCartToLocalStorage() {
//     const cartItems = [];

//     document.querySelectorAll('.cart-item').forEach(item => {
//         cartItems.push({
//             id: item.getAttribute('data-product-id'),
//             name: item.getAttribute('data-product-name'),
//             unitPrice: item.getAttribute('data-product-price'),
//             price: (parseFloat(item.getAttribute('data-product-price')) * parseInt(item.querySelector('.quantity').textContent)).toFixed(2),
//             quantity: parseInt(item.querySelector('.quantity').textContent),
//             image: item.getAttribute('data-product-image')
//         });
//     });

//     localStorage.setItem('cartItems', JSON.stringify(cartItems));
// }

// function createCartItemElement(item) {
//     const cartItemRow = document.createElement('div');
//     cartItemRow.className = 'cart-item';
//     cartItemRow.setAttribute('data-product-id', item.id);
//     cartItemRow.setAttribute('data-product-price', item.price);
//     cartItemRow.setAttribute('data-product-name', item.name);
//     cartItemRow.setAttribute('data-product-image', item.image);

//     cartItemRow.innerHTML = `
//         <img src='${item.imgSrc}' alt='${item.name}-image' height='100px' width='100px'>
//         <div class='detail'>
//             <div>${item.name}</div>
//             <div class="quantity-wrapper">
//                 <span class="btn decrease-quantity ${item.quantity == 1 ? 'disable' : ''}">-</span>
//                 <span class="quantity">${item.quantity}</span>
//                 <span class="btn increase-quantity">+</span>
//             </div>
//             <div class='price'>${parseFloat(item.price).toFixed(2)}</div>
//         </div>`;

//     const removeBtn = document.createElement('div');
//     removeBtn.className = 'btn remove';
//     removeBtn.innerHTML = 'x';
//     removeBtn.addEventListener('click', (e) => {
//         console.log(e.target.parentElement);
//         e.target.parentElement.remove();
//         updateTotal();
//         saveCartToLocalStorage();
//     });
//     cartItemRow.appendChild(removeBtn);

//     return cartItemRow;
// }

// function handleEmptyCart(total) {
//     const emptyCartContainer = document.querySelector('.empty-cart');
//     if (total!=0) {
//         emptyCartContainer.innerHTML = ``;
//         return(false);// Cart is not empty
//     } else {
//         emptyCartContainer.innerHTML = `
//             <h4>Empty Menu!</h4>
//             <p>Looks like you haven't made your choice yet... Check what we have got for you and get it swished.</p>
//             <a href="./menu.html"><button class="butt">Explore Menu</button></a>`;
//         alert("To place Order,Kindly add items to the cart");
//         return(true); // Cart is empty
//     }
// }

// // Function to generate a random coupon code
// const generateCouponCode = () => {
//     const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
//     let couponCode = '';
//     for (let i = 0; i < 8; i++) {
//         couponCode += characters.charAt(Math.floor(Math.random() * characters.length));
//     }
//     return couponCode;
// }

// // Check if it's the user's first order and apply discount
// const applyFirstTimeDiscount = () => {
//     let couponCode = localStorage.getItem('couponCode');
//     if (!couponCode) {
//         couponCode = generateCouponCode();
//         localStorage.setItem('couponCode', couponCode);
//     }
//     document.getElementById('couponCode').innerHTML = `Use coupon code <span style="font-weight: bold;"> ${couponCode} </span> for 30% off!`;
//     document.querySelector(".coupen-inner").innerHTML = `Congratulations! Your coupon code is ${couponCode}. You've received a 30% discount on your first order.`;
// }

// // window.onload = applyFirstTimeDiscount;

// // Input for apply coupon code
// document.getElementById('applyCouponButton').addEventListener('click', function () {
//     const couponCode = document.getElementById('inputCode').value;
//     if (!couponCode) {
//         alert('Please enter a Coupon Code.');
//         return;
//     }
// });

// const modal = document.getElementById("myModal");
// const closeButton = document.querySelector(".close");
// const orderNowButton = document.getElementById("orderNowButton");

// orderNowButton.addEventListener("click", () => {
//     const total = updateTotal(); // Calculate the total
//     const isEmptyCart =  handleEmptyCart(total);

//     if (isEmptyCart) {
       
//         return; // Exit early if the cart is empty
//     }

//     // Only show modal if cart is not empty
//     else {modal.style.display = "block";}
// });

// closeButton.addEventListener("click", () => {
//     modal.style.display = "none";
// });

// window.onclick = (event) => {
//     if (event.target == modal) {
//         modal.style.display = "none";
//     }
// };