import { useEffect, useState } from 'react'
import Stories from 'react-insta-stories'

import { BottomNavBar, AnnouncementDetails, Filters } from '../components'
import { useStoryDimensions } from '../hooks'
import { useHomeAnnouncementList } from '../hooks/api'
import { defaultFilters } from '../utils/filters'

import puffSpinner from '../assets/puff.svg'
import { categoryGraphics } from '../assets/category'
import { Announcement } from '../hooks/api/useHomeAnnouncementList'
import { Story } from 'react-insta-stories/dist/interfaces'

function generateStories(announcements: Announcement[]): Story[] {
    return announcements.map(announcement => {
        return ({
            id: announcement.id,
            url: announcement.src || categoryGraphics.get(announcement.category),
            type: announcement.src?.endsWith("mp4") ? "video" : undefined,
            seeMore: ({ close }: { close: () => void }) => <AnnouncementDetails close={close} announcement={announcement} />
        })
    })
}

function fallbackGenerateStories(announcementsFetch: ReturnType<typeof useHomeAnnouncementList>) {
    const stories = generateStories(announcementsFetch.data)

    if (announcementsFetch.loading)
        return fallbackStory()

    if (announcementsFetch.error)
        return fallbackStory(announcementsFetch.error, true)

    if (stories.length === 0)
        return fallbackStory("Здесь пока пусто")

    return stories
}

const fallbackStory = (text = '', isError = false): Story[] => [{
    content: ({ action }) => {
        // eslint-disable-next-line react-hooks/rules-of-hooks
        useEffect(() => { action('pause') }, [action])

        return (
            <div style={{ margin: 'auto' }} className={isError ? "text-danger" : ''}>
                {text || <img src={puffSpinner} />}
            </div>
        )
    },
}]

function HomePage() {
    const { height, width } = useStoryDimensions(16 / 10)

    const [filterShown, setFilterShown] = useState(false)
    const [filter, setFilter] = useState(defaultFilters)

    const announcementsFetch = useHomeAnnouncementList(filter)

    const stories = fallbackGenerateStories(announcementsFetch)

    return (<>
        <Filters filter={filter} setFilter={setFilter} filterShown={filterShown} setFilterShown={setFilterShown} />
        <div style={{ display: "flex", justifyContent: "center", backgroundColor: "rgb(17, 17, 17)" }}>
            <Stories
                stories={stories}
                defaultInterval={11000}
                height={height}
                width={width}
                loop={true}
                keyboardNavigation={true}
            />
        </div>
        <BottomNavBar toggleFilters={setFilterShown} width={width} />
    </>)
}

export default HomePage