import { Router } from 'express'
import axios from 'axios'

const router = Router()

router.get('/status', async (_req, res) => {
  const host = process.env.JELLYFIN_HOST
  const key  = process.env.JELLYFIN_API_KEY
  if (!host || !key) return res.status(503).json({ error: 'Jellyfin not configured' })

  const headers = { 'X-Emby-Token': key }

  try {
    const apiKey = { api_key: key }
    const [sessionsRes, countsRes] = await Promise.all([
      axios.get(`${host}/Sessions`, { headers, params: { ...apiKey, ActiveWithinSeconds: 180 } }),
      axios.get(`${host}/Items/Counts`, { headers, params: apiKey }),
    ])

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    const sessions = (sessionsRes.data as any[])
      .filter((s: any) => s.NowPlayingItem)
      .map((s: any) => {
        const item = s.NowPlayingItem
        const isEpisode = item?.Type === 'Episode'
        const title    = isEpisode ? (item?.SeriesName ?? item?.Name ?? '') : (item?.Name ?? '')
        const subtitle = isEpisode
          ? `S${String(item?.ParentIndexNumber ?? 0).padStart(2,'0')}E${String(item?.IndexNumber ?? 0).padStart(2,'0')} · ${item?.Name ?? ''}`
          : null
        return {
          user:     s.UserName ?? 'Unknown',
          title,
          subtitle,
          type:     item?.Type ?? '',
          progress: s.PlayState?.PositionTicks && item?.RunTimeTicks
            ? Math.round((s.PlayState.PositionTicks / item.RunTimeTicks) * 100)
            : null,
          paused: s.PlayState?.IsPaused ?? false,
          client: s.Client ?? '',
        }
      })

    const counts = countsRes.data as any
    res.json({
      sessions,
      library: {
        movies:   counts.MovieCount   ?? 0,
        episodes: counts.EpisodeCount ?? 0,
        songs:    counts.SongCount    ?? 0,
        albums:   counts.AlbumCount   ?? 0,
      },
    })
  } catch (err: any) {
    res.status(502).json({ error: err.message ?? 'Jellyfin error' })
  }
})

export default router