import React, { useState } from 'react'

export default function ArtworkActions({ artwork, canonicalUrl, mobilePriority = false }) {
  const [liked, setLiked] = useState(Boolean(artwork?.viewer?.is_liked))
  const [favorited, setFavorited] = useState(Boolean(artwork?.viewer?.is_favorited))
  const [reporting, setReporting] = useState(false)
  const downloadUrl = artwork?.thumbs?.xl?.url || artwork?.thumbs?.lg?.url || artwork?.file?.url || '#'
  const shareUrl = canonicalUrl || artwork?.canonical_url || (typeof window !== 'undefined' ? window.location.href : '#')
  const csrfToken = typeof document !== 'undefined'
    ? document.querySelector('meta[name="csrf-token"]')?.getAttribute('content')
    : null

  const postInteraction = async (url, body) => {
    const response = await fetch(url, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'X-CSRF-TOKEN': csrfToken || '',
      },
      credentials: 'same-origin',
      body: JSON.stringify(body),
    })

    if (!response.ok) throw new Error('Request failed')
    return response.json()
  }

  const onToggleLike = async () => {
    const nextState = !liked
    setLiked(nextState)
    try {
      await postInteraction(`/api/artworks/${artwork.id}/like`, { state: nextState })
    } catch {
      setLiked(!nextState)
    }
  }

  const onToggleFavorite = async () => {
    const nextState = !favorited
    setFavorited(nextState)
    try {
      await postInteraction(`/api/artworks/${artwork.id}/favorite`, { state: nextState })
    } catch {
      setFavorited(!nextState)
    }
  }

  const onShare = async () => {
    try {
      if (navigator.share) {
        await navigator.share({
          title: artwork?.title || 'Artwork',
          url: shareUrl,
        })
        return
      }

      await navigator.clipboard.writeText(shareUrl)
    } catch {
      // noop
    }
  }

  const onReport = async () => {
    if (reporting) return
    setReporting(true)
    try {
      await postInteraction(`/api/artworks/${artwork.id}/report`, {
        reason: 'Reported from artwork page',
      })
    } catch {
      // noop
    } finally {
      setReporting(false)
    }
  }

  return (
    <div className="rounded-xl border border-nova-700 bg-panel p-5 shadow-lg shadow-deep/30">
      <h2 className="text-xs font-semibold uppercase tracking-wide text-soft">Actions</h2>
      <div className="mt-4 flex flex-col gap-3">
        <a
          href={downloadUrl}
          className="inline-flex min-h-11 w-full items-center justify-center rounded-lg bg-accent px-4 py-3 text-sm font-semibold text-deep hover:brightness-110"
          download
        >
          Download
        </a>

        <button
          type="button"
          className="inline-flex min-h-11 w-full items-center justify-center rounded-lg border border-nova-600 px-4 py-3 text-sm text-white hover:bg-nova-800"
          onClick={onToggleLike}
        >
          {liked ? 'Liked' : 'Like'}
        </button>

        <button
          type="button"
          className="inline-flex min-h-11 w-full items-center justify-center rounded-lg border border-nova-600 px-4 py-3 text-sm text-white hover:bg-nova-800"
          onClick={onToggleFavorite}
        >
          {favorited ? 'Saved' : 'Favorite'}
        </button>

        <button
          type="button"
          className="inline-flex min-h-11 w-full items-center justify-center rounded-lg border border-nova-600 px-4 py-3 text-sm text-white hover:bg-nova-800"
          onClick={onShare}
        >
          Share
        </button>

        <button
          type="button"
          className="inline-flex min-h-11 w-full items-center justify-center rounded-lg border border-nova-600 px-4 py-3 text-sm text-white hover:bg-nova-800"
          onClick={onReport}
        >
          {reporting ? 'Reporting…' : 'Report'}
        </button>
      </div>

      {mobilePriority && (
        <div className="pointer-events-none fixed inset-x-0 bottom-0 z-50 border-t border-nova-700 bg-panel/95 p-3 backdrop-blur lg:hidden">
          <a
            href={downloadUrl}
            download
            className="pointer-events-auto inline-flex min-h-12 w-full items-center justify-center rounded-lg bg-accent px-4 py-3 text-sm font-semibold text-deep hover:brightness-110"
          >
            Download
          </a>
        </div>
      )}
    </div>
  )
}