import Alert from '@/core/components/elements/Alert/Alert'
import Divider from '@/core/components/elements/Divider/Divider'
import Link from '@/core/components/elements/Link/Link'
import useAuth from '@/core/hooks/useAuth'
import CartApi from '@/lib/cart/api/CartApi'
import { ExclamationCircleIcon } from '@heroicons/react/24/outline'
import { useEffect, useState } from 'react'
import _ from 'lodash'
import { deleteItemCart, getCart, getItemCart } from '@/core/utils/cart'
import currencyFormat from '@/core/utils/currencyFormat'
import { toast } from 'react-hot-toast'
import checkoutApi from '@/lib/checkout/api/checkoutApi'
import { useRouter } from 'next/router'
import VariantGroupCard from '@/lib/variant/components/VariantGroupCard'

const Quotation = () => {
  const router = useRouter()
  const auth = useAuth()

  const [products, setProducts] = useState(null)
  const [totalAmount, setTotalAmount] = useState(0)
  const [totalDiscountAmount, setTotalDiscountAmount] = useState(0)

  useEffect(() => {
    const loadProducts = async () => {
      const cart = getCart()
      const variantIds = _.filter(cart, (o) => o.selected == true)
        .map((o) => o.productId)
        .join(',')
      const dataProducts = await CartApi({ variantIds })
      const dataProductsQuantity = _.map(dataProducts, (o) => ({
        ...o,
        quantity: getItemCart({ productId: o.id }).quantity
      }))
      setProducts(dataProductsQuantity)
    }
    loadProducts()
  }, [])

  useEffect(() => {
    if (products) {
      let calculateTotalAmount = 0
      let calculateTotalDiscountAmount = 0
      products.forEach((product) => {
        calculateTotalAmount += product.price.price * product.quantity
        calculateTotalDiscountAmount +=
          (product.price.price - product.price.priceDiscount) * product.quantity
      })
      setTotalAmount(calculateTotalAmount)
      setTotalDiscountAmount(calculateTotalDiscountAmount)
    }
  }, [products])

  const [isLoading, setIsLoading] = useState(false)

  const checkout = async () => {
    if (!products || products.length == 0) return
    setIsLoading(true)
    const productOrder = products.map((product) => ({
      product_id: product.id,
      quantity: product.quantity
    }))
    let data = {
      partner_shipping_id: auth.partnerId,
      partner_invoice_id: auth.partnerId,
      order_line: JSON.stringify(productOrder)
    }
    const isSuccess = await checkoutApi({ data })
    setIsLoading(false)
    if (isSuccess?.id) {
      for (const product of products) deleteItemCart({ productId: product.id })
      router.push(`/shop/quotation/finish?id=${isSuccess.id}`)
      return
    }
    toast.error('Gagal melakukan transaksi, terjadi kesalahan internal')
  }

  return (
    <>
      <div className='p-4'>
        <Alert
          type='info'
          className='text-caption-2 flex gap-x-3'
        >
          <div>
            <ExclamationCircleIcon className='w-7 text-blue-700' />
          </div>
          <span className='leading-5'>
            Jika mengalami kesulitan dalam melakukan pembelian di website Indoteknik. Hubungi kami
            disini
          </span>
        </Alert>
      </div>

      <Divider />

      <div className='p-4 flex flex-col gap-y-4'>
        {products && (
          <VariantGroupCard
            openOnClick={false}
            variants={products}
          />
        )}
      </div>

      <Divider />

      <div className='p-4'>
        <div className='flex justify-between items-center'>
          <div className='font-medium'>Ringkasan Penawaran</div>
          <div className='text-gray_r-11 text-caption-1'>{products?.length} Barang</div>
        </div>
        <hr className='my-4 border-gray_r-6' />
        <div className='flex flex-col gap-y-4'>
          <div className='flex gap-x-2 justify-between'>
            <div className='text-gray_r-11'>Total Belanja</div>
            <div>{currencyFormat(totalAmount)}</div>
          </div>
          <div className='flex gap-x-2 justify-between'>
            <div className='text-gray_r-11'>Total Diskon</div>
            <div className='text-red_r-11'>- {currencyFormat(totalDiscountAmount)}</div>
          </div>
          <div className='flex gap-x-2 justify-between'>
            <div className='text-gray_r-11'>Subtotal</div>
            <div>{currencyFormat(totalAmount - totalDiscountAmount)}</div>
          </div>
          <div className='flex gap-x-2 justify-between'>
            <div className='text-gray_r-11'>PPN 11% (Incl.)</div>
            <div>{currencyFormat((totalAmount - totalDiscountAmount) * 0.11)}</div>
          </div>
        </div>
        <hr className='my-4 border-gray_r-6' />
        <div className='flex gap-x-2 justify-between mb-4'>
          <div>Grand Total</div>
          <div className='font-semibold text-gray_r-12'>
            {currencyFormat(totalAmount - totalDiscountAmount)}
          </div>
        </div>
        <p className='text-caption-2 text-gray_r-10 mb-2'>*) Belum termasuk biaya pengiriman</p>
        <p className='text-caption-2 text-gray_r-10 leading-5'>
          Dengan melakukan pembelian melalui website Indoteknik, saya menyetujui{' '}
          <Link
            href='/'
            className='inline font-normal'
          >
            Syarat & Ketentuan
          </Link>{' '}
          yang berlaku
        </p>
      </div>

      <Divider />

      <div className='flex gap-x-3 p-4'>
        <button
          className='flex-1 btn-yellow'
          onClick={checkout}
          disabled={isLoading}
        >
          {isLoading ? 'Loading...' : 'Quotation'}
        </button>
      </div>
    </>
  )
}

export default Quotation