const getCart = () => {
  const cart = localStorage.getItem('cart')
  if (cart) return JSON.parse(cart)
  return {}
}

const setCart = (cart) => {
  localStorage.setItem('cart', JSON.stringify(cart))
  return true
}

const getItemCart = ({ productId }) => {
  let cart = getCart()
  return cart[productId]
}

const addItemCart = ({ productId, quantity, selected = false }) => {
  let cart = getCart()
  quantity = parseInt(quantity)
  cart[productId] = { productId, quantity, selected }
  setCart(cart)
  return true
}

const deleteItemCart = ({ productId }) => {
  let cart = getCart()
  delete cart[productId]
  setCart(cart)
  return true
}

export {
  getCart,
  getItemCart,
  addItemCart,
  deleteItemCart
}