import useEmblaCarousel from 'embla-carousel-react'
import { useCallback, useEffect, useState } from 'react'
import { useRouteLoaderData } from 'react-router'

import { Button } from '~/components/ui/button'
import { CarouselButton } from '~/components/ui/button-slide'
import { useNewsContext } from '~/contexts/news'
import type { loader } from '~/routes/_layout'
import type { TNews } from '~/types/news'
import { getPremiumAttribute } from '~/utils/render'

export const CarouselSection = (properties: TNews) => {
  const { setIsSuccessOpen } = useNewsContext()
  const loaderData = useRouteLoaderData<typeof loader>('routes/_layout')
  const userData = loaderData?.userData
  const { title, description, items } = properties
  const [emblaReference, emblaApi] = useEmblaCarousel({
    loop: false,
    slidesToScroll: 1,
    align: 'start',
  })

  const [canScrollNext, setCanScrollNext] = useState(false)
  const [canScrollPrevious, setCanScrollPrevious] = useState(false)

  const updateButtons = useCallback(() => {
    if (emblaApi) {
      setCanScrollPrevious(emblaApi.canScrollPrev())
      setCanScrollNext(emblaApi.canScrollNext())
    }
  }, [emblaApi])

  useEffect(() => {
    if (emblaApi) {
      updateButtons()
      emblaApi.on('select', updateButtons)
    }
  }, [emblaApi, updateButtons])

  const previousSlide = useCallback(() => {
    if (canScrollPrevious && emblaApi) emblaApi.scrollPrev()
  }, [emblaApi, canScrollPrevious])

  const nextSlide = useCallback(() => {
    if (canScrollNext && emblaApi) emblaApi.scrollNext()
  }, [emblaApi, canScrollNext])

  return (
    <div className="">
      <div className="mt-3 mb-3 flex items-center justify-between border-b border-black pb-3 sm:mb-[30px] sm:pb-[30px]">
        <div className="grid">
          <h2 className="text-2xl font-extrabold text-[#2E2F7C] sm:text-4xl">
            {title}
          </h2>
          <p className="text-xl font-light text-[#777777] italic sm:text-2xl">
            {description}
          </p>
        </div>

        <div className="flex gap-2.5">
          <CarouselButton
            direction="prev"
            isEnabled={canScrollPrevious}
            onClick={previousSlide}
          />
          <CarouselButton
            direction="next"
            isEnabled={canScrollNext}
            onClick={nextSlide}
          />
        </div>
      </div>

      <div
        className="embla overflow-hidden"
        ref={emblaReference}
      >
        <div className="embla__container col-span-3 flex max-h-[586px] sm:gap-x-8">
          {items.map(
            ({ featured, title, content, tags, slug, isPremium }, index) => (
              <div
                className="embla__slide w-full min-w-0 flex-none sm:w-1/3"
                key={index}
              >
                <div className="flex flex-col justify-between">
                  <img
                    className="aspect-[5/4] max-h-[280px] w-full rounded-md object-cover"
                    src={featured}
                    alt={title}
                  />
                  <div className={'flex flex-col justify-between gap-4'}>
                    <div className={'flex text-sm uppercase'}>
                      {tags?.map((item) => (
                        <span
                          key={index}
                          className="my-3 mr-2 inline-block rounded bg-[#F4F4F4] px-3 py-1 font-bold text-[#777777]"
                        >
                          {item}
                        </span>
                      ))}
                      {isPremium && (
                        <span className="my-3 mr-2 inline-block rounded bg-[#D1C675] px-3 py-1 font-bold text-[#9D761D]">
                          Premium Content
                        </span>
                      )}
                    </div>

                    <div>
                      <h3 className="mt-2 w-full text-xl font-bold sm:text-2xl lg:mt-0">
                        {title}
                      </h3>
                      <p className="text-md mt-5 text-[#777777] sm:text-xl">
                        {content}
                      </p>
                    </div>
                    <Button
                      size="block"
                      {...getPremiumAttribute({
                        isPremium,
                        slug,
                        onClick: () => setIsSuccessOpen('warning'),
                        userData,
                      })}
                      className="mb-5"
                    >
                      View More
                    </Button>
                  </div>
                </div>
              </div>
            ),
          )}
        </div>
      </div>
    </div>
  )
}
