import React, {
    ComponentPropsWithRef,
    useCallback,
    useEffect,
    useState
} from 'react'
import { EmblaCarouselType } from 'embla-carousel'

type UsePrevNextButtonsType = {
    prevBtnDisabled: boolean
    nextBtnDisabled: boolean
    onPrevButtonClick: () => void
    onNextButtonClick: () => void
}

export const usePrevNextButtons = (
    emblaApi: EmblaCarouselType | undefined
): UsePrevNextButtonsType => {
    const [prevBtnDisabled, setPrevBtnDisabled] = useState(true)
    const [nextBtnDisabled, setNextBtnDisabled] = useState(true)

    const onPrevButtonClick = useCallback(() => {
        if (!emblaApi) return
        emblaApi.scrollPrev()
    }, [emblaApi])

    const onNextButtonClick = useCallback(() => {
        if (!emblaApi) return
        emblaApi.scrollNext()
    }, [emblaApi])

    const onSelect = useCallback((emblaApi: EmblaCarouselType) => {
        setPrevBtnDisabled(!emblaApi.canScrollPrev())
        setNextBtnDisabled(!emblaApi.canScrollNext())
    }, [])

    useEffect(() => {
        if (!emblaApi) return

        onSelect(emblaApi)
        emblaApi.on('reInit', onSelect).on('select', onSelect)
    }, [emblaApi, onSelect])

    return {
        prevBtnDisabled,
        nextBtnDisabled,
        onPrevButtonClick,
        onNextButtonClick
    }
}

type PropType = ComponentPropsWithRef<'button'>

export const PrevButton: React.FC<PropType> = (props) => {
    const { children, ...restProps } = props

    return (
        <button
            className="embla__button embla__button--prev"
            type="button"
            {...restProps}
        >
            <svg className="embla__button__svg" viewBox="0 0 532 532">
                <path
                    fill="currentColor"
                    d="M355.66 11.354c13.793-13.805 36.208-13.805 50.001 0 13.785 13.804 13.785 36.238 0 50.034L201.22 266l204.442 204.61c13.785 13.805 13.785 36.239 0 50.044-13.793 13.796-36.208 13.796-50.002 0a5994246.277 5994246.277 0 0 0-229.332-229.454 35.065 35.065 0 0 1-10.326-25.126c0-9.2 3.393-18.26 10.326-25.2C172.192 194.973 332.731 34.31 355.66 11.354Z"
                />
            </svg>
            {children}
        </button>
    )
}

export const NextButton: React.FC<PropType> = (props) => {
    const { children, ...restProps } = props

    return (
        <button
            className="embla__button embla__button--next"
            type="button"
            {...restProps}
        >
            <svg className="embla__button__svg" viewBox="0 0 532 532">
                <path
                    fill="currentColor"
                    d="M176.34 520.646c-13.793 13.805-36.208 13.805-50.001 0-13.785-13.804-13.785-36.238 0-50.034L330.78 266 126.34 61.391c-13.785-13.805-13.785-36.239 0-50.044 13.793-13.796 36.208-13.796 50.002 0 22.928 22.947 206.395 206.507 229.332 229.454a35.065 35.065 0 0 1 10.326 25.126c0 9.2-3.393 18.26-10.326 25.2-45.865 45.901-206.404 206.564-229.332 229.52Z"
                />
            </svg>
            {children}
        </button>
    )
}