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import React, { Component } from 'react'
import { useKeenSlider } from "keen-slider/react"
import "keen-slider/keen-slider.min.css"
import { MediaCitation } from './media.citation'
import { Arrow } from 'app/views/viewer/nav/viewer.icons'
export const Carousel = ({ media }) => {
const { image_order, image_lookup, display_lookup, thumbnail_lookup, caption_lookup } = media.settings
const [currentSlide, setCurrentSlide] = React.useState(0)
const [currentCaption, setCurrentCaption] = React.useState(caption_lookup[image_order[0]])
const [sliderRef, slider] = useKeenSlider({
slidesPerView: 2,
mode: "free-snap",
spacing: 15,
centered: true,
loop: false,
slideChanged: slider => {
const currentSlideIndex = slider.details().relativeSlide
const currentImageId = image_order[currentSlideIndex]
const currentCaption = caption_lookup[currentImageId]
setCurrentSlide(currentSlideIndex)
setCurrentCaption(currentCaption)
}
})
// console.log(display_lookup)
// console.log(width)
return [
<div key={'carousel_' + media.id} ref={sliderRef} className='keen-slider carousel-items'>
{image_order.map(id => {
const image = display_lookup[id]
// console.log(image)
return (
<CarouselItem key={id} image={image} />
)
})}
</div>,
<MediaCitation key={'caption_' + media.id} media={(currentCaption && currentCaption.title) ? currentCaption : media} />,
<CarouselNav
key={'arrows_' + media.id}
currentSlide={currentSlide}
slides={image_order}
onPrev={() => {
slider.prev()
}}
onNext={() => {
slider.next()
}}
onPick={index => {
slider.moveToSlideRelative(index)
}}
/>
]
}
const CarouselNav = ({ currentSlide, slides, onPrev, onNext, onPick }) => {
return (
<div className="carousel-nav">
<div
className={currentSlide ? "arrow-prev" : "arrow-prev arrow-disabled"}
onClick={e => {
e.stopPropagation()
onPrev()
}}
>
<Arrow type="left" />
</div>
<div
className={currentSlide < slides.length - 1 ? "arrow-next" : "arrow-next arrow-disabled"}
onClick={e => {
e.stopPropagation()
onNext()
}}
>
<Arrow type="right" />
</div>
<div className="dots">
{[...slides.keys()].map(idx => {
return (
<div
key={idx}
onClick={() => {
onPick(idx)
}}
className={"dot-item" + (currentSlide === idx ? " active" : "")}
>
<div className="dot-circle" />
</div>
)
})}
</div>
</div>
)
}
const CarouselItem = ({ image }) => {
return (
<div className='keen-slider__slide carousel-item' style={{
backgroundImage: 'url(' + image.url + ')',
}} />
)
}
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