import { HStack, StackProps, Text, TextProps, useColorModeValue as mode } from '@chakra-ui/react'
import { ReactNode } from 'react'

interface PriceTagProps {
  currency: string
  price: number
  salePrice?: number
  rootProps?: StackProps
  priceProps?: TextProps
  salePriceProps?: TextProps
}

export type FormatPriceOptions = { locale?: string; currency?: string }

export function formatPrice(value: number, opts: { locale?: string; currency?: string } = {}) {
  const { locale = 'en-US', currency = 'USD' } = opts
  const formatter = new Intl.NumberFormat(locale, {
    currency,
    style: 'currency',
    maximumFractionDigits: 2,
  })
  return formatter.format(value)
}

export const PriceTag = (props: PriceTagProps) => {
  const { price, currency, salePrice, rootProps, priceProps, salePriceProps } = props
  return (
    <HStack spacing="1" {...rootProps}>
      <Price isOnSale={!!salePrice} textProps={priceProps}>
        {formatPrice(price, { currency })}
      </Price>
      {salePrice && (
        <SalePrice {...salePriceProps}>{formatPrice(salePrice, { currency })}</SalePrice>
      )}
    </HStack>
  )
}

interface PriceProps {
  children?: ReactNode
  isOnSale?: boolean
  textProps?: TextProps
}

const Price = (props: PriceProps) => {
  const { isOnSale, children, textProps } = props
  const defaultColor = mode('gray.700', 'gray.400')
  const onSaleColor = mode('gray.400', 'gray.700')
  const color = isOnSale ? onSaleColor : defaultColor
  return (
    <Text
      as="span"
      fontWeight="medium"
      color={color}
      textDecoration={isOnSale ? 'line-through' : 'none'}
      {...textProps}
    >
      {children}
    </Text>
  )
}

const SalePrice = (props: TextProps) => (
  <Text as="span" fontWeight="semibold" color={mode('gray.800', 'gray.100')} {...props} />
)


PriceTag.tsx

import {
  Box,
  HStack,
  Icon,
  Image,
  Link,
  Stack,
  Text,
  useColorModeValue as mode,
} from '@chakra-ui/react'
import { FiGift } from 'react-icons/fi'

export type CartProductMetaProps = {
  isGiftWrapping?: boolean
  name: string
  description: string
  image: string
}

export const CartProductMeta = (props: CartProductMetaProps) => {
  const { isGiftWrapping = true, image, name, description } = props
  return (
    <Stack direction="row" spacing="5" width="full">
      <Image
        rounded="lg"
        width="120px"
        height="120px"
        fit="cover"
        src={image}
        alt={name}
        draggable="false"
        loading="lazy"
      />
      <Box pt="4">
        <Stack spacing="0.5">
          <Text fontWeight="medium">{name}</Text>
          <Text color={mode('gray.600', 'gray.400')} fontSize="sm">
            {description}
          </Text>
        </Stack>
        {isGiftWrapping && (
          <HStack spacing="1" mt="3" color={mode('gray.600', 'gray.400')}>
            <Icon as={FiGift} boxSize="4" />
            <Link fontSize="sm" textDecoration="underline">
              Add gift wrapping
            </Link>
          </HStack>
        )}
      </Box>
    </Stack>
  )
}


CartProductMeta.tsx

import { CloseButton, Flex, Link, Select, SelectProps, useColorModeValue } from '@chakra-ui/react'
import { PriceTag } from './PriceTag'
import { CartProductMeta } from './CartProductMeta'

type CartItemProps = {
  isGiftWrapping?: boolean
  name: string
  description: string
  quantity: number
  price: number
  currency: string
  imageUrl: string
  onChangeQuantity?: (quantity: number) => void
  onClickGiftWrapping?: () => void
  onClickDelete?: () => void
}

const QuantitySelect = (props: SelectProps) => {
  return (
    <Select
      maxW="64px"
      aria-label="Select quantity"
      focusBorderColor={useColorModeValue('brand.500', 'brand.200')}
      {...props}
    >
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
      <option value="4">4</option>
    </Select>
  )
}

export const CartItem = (props: CartItemProps) => {
  const {
    isGiftWrapping,
    name,
    description,
    quantity,
    imageUrl,
    currency,
    price,
    onChangeQuantity,
    onClickDelete,
  } = props

  return (
    <Flex direction={{ base: 'column', md: 'row' }} justify="space-between" align="center">
      <CartProductMeta
        name={name}
        description={description}
        image={imageUrl}
        isGiftWrapping={isGiftWrapping}
      />

      {/* Desktop */}
      <Flex width="full" justify="space-between" display={{ base: 'none', md: 'flex' }}>
        <QuantitySelect
          value={quantity}
          onChange={(e) => {
            onChangeQuantity?.(+e.currentTarget.value)
          }}
        />
        <PriceTag price={price} currency={currency} />
        <CloseButton aria-label={`Delete ${name} from cart`} onClick={onClickDelete} />
      </Flex>

      {/* Mobile */}
      <Flex
        mt="4"
        align="center"
        width="full"
        justify="space-between"
        display={{ base: 'flex', md: 'none' }}
      >
        <Link fontSize="sm" textDecor="underline">
          Delete
        </Link>
        <QuantitySelect
          value={quantity}
          onChange={(e) => {
            onChangeQuantity?.(+e.currentTarget.value)
          }}
        />
        <PriceTag price={price} currency={currency} />
      </Flex>
    </Flex>
  )
}


CartItem.tsx

import {
  Button,
  Flex,
  Heading,
  Link,
  Stack,
  Text,
  useColorModeValue as mode,
} from '@chakra-ui/react'
import { FaArrowRight } from 'react-icons/fa'
import { formatPrice } from './PriceTag'

type OrderSummaryItemProps = {
  label: string
  value?: string
  children?: React.ReactNode
}

const OrderSummaryItem = (props: OrderSummaryItemProps) => {
  const { label, value, children } = props
  return (
    <Flex justify="space-between" fontSize="sm">
      <Text fontWeight="medium" color={mode('gray.600', 'gray.400')}>
        {label}
      </Text>
      {value ? <Text fontWeight="medium">{value}</Text> : children}
    </Flex>
  )
}

export const CartOrderSummary = () => {
  return (
    <Stack spacing="8" borderWidth="1px" rounded="lg" padding="8" width="full">
      <Heading size="md">Order Summary</Heading>

      <Stack spacing="6">
        <OrderSummaryItem label="Subtotal" value={formatPrice(597)} />
        <OrderSummaryItem label="Shipping + Tax">
          <Link href="#" textDecor="underline">
            Calculate shipping
          </Link>
        </OrderSummaryItem>
        <OrderSummaryItem label="Coupon Code">
          <Link href="#" textDecor="underline">
            Add coupon code
          </Link>
        </OrderSummaryItem>
        <Flex justify="space-between">
          <Text fontSize="lg" fontWeight="semibold">
            Total
          </Text>
          <Text fontSize="xl" fontWeight="extrabold">
            {formatPrice(597)}
          </Text>
        </Flex>
      </Stack>
      <Button colorScheme="brand" size="lg" fontSize="md" rightIcon={<FaArrowRight />}>
        Checkout
      </Button>
    </Stack>
  )
}


CartOrderSummary.tsx

export const cartData = [
  {
    id: '1',
    price: 39.99,
    currency: 'GBP',
    name: 'Ferragamo bag',
    description: 'Tan, 40mm',
    quantity: 3,
    imageUrl:
      'https://images.unsplash.com/photo-1584917865442-de89df76afd3?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=870&q=80',
  },
  {
    id: '2',
    price: 39.99,
    currency: 'GBP',
    name: 'Bamboo Tan',
    description: 'Tan, 40mm',
    quantity: 3,
    imageUrl:
      'https://images.unsplash.com/photo-1591561954557-26941169b49e?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=774&q=80',
  },
  {
    id: '3',
    price: 39.99,
    currency: 'GBP',
    name: 'Yeezy Sneakers',
    description: 'Tan, 40mm',
    quantity: 3,
    imageUrl:
      'https://images.unsplash.com/photo-1604671801908-6f0c6a092c05?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1770&q=80',
  },
]


_data.ts

import {
  Box,
  Flex,
  HStack,
  Heading,
  Link,
  Stack,
  useColorModeValue as mode,
} from '@chakra-ui/react'
import { CartItem } from './CartItem'
import { CartOrderSummary } from './CartOrderSummary'
import { cartData } from './_data'

export const App = () => (
  <Box
    maxW={{ base: '3xl', lg: '7xl' }}
    mx="auto"
    px={{ base: '4', md: '8', lg: '12' }}
    py={{ base: '6', md: '8', lg: '12' }}
  >
    <Stack
      direction={{ base: 'column', lg: 'row' }}
      align={{ lg: 'flex-start' }}
      spacing={{ base: '8', md: '16' }}
    >
      <Stack spacing={{ base: '8', md: '10' }} flex="2">
        <Heading fontSize="2xl" fontWeight="extrabold">
          Shopping Cart (3 items)
        </Heading>

        <Stack spacing="6">
          {cartData.map((item) => (
            <CartItem key={item.id} {...item} />
          ))}
        </Stack>
      </Stack>

      <Flex direction="column" align="center" flex="1">
        <CartOrderSummary />
        <HStack mt="6" fontWeight="semibold">
          <p>or</p>
          <Link color={mode('brand.500', 'brand.200')}>Continue shopping</Link>
        </HStack>
      </Flex>
    </Stack>
  </Box>
)


Shopping Carts