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

const router = Router()

router.get('/calendar', async (req, res) => {
  const today = new Date()
  const defaultStart = new Date(today.getFullYear(), today.getMonth(), 1).toISOString().slice(0, 10)
  const defaultEnd   = new Date(today.getFullYear(), today.getMonth() + 1, 0).toISOString().slice(0, 10)

  const start = (req.query.start as string) || defaultStart
  const end   = (req.query.end   as string) || defaultEnd
  const calParams = { start, end, unmonitored: false }

  const sonarrHeaders = process.env.SONARR_API_KEY ? { 'X-Api-Key': process.env.SONARR_API_KEY } : null

  const results = await Promise.allSettled([
    process.env.RADARR_HOST && process.env.RADARR_API_KEY
      ? axios.get(`${process.env.RADARR_HOST}/api/v3/calendar`, {
          headers: { 'X-Api-Key': process.env.RADARR_API_KEY },
          params: calParams,
        })
      : Promise.resolve(null),

    process.env.SONARR_HOST && sonarrHeaders
      ? axios.get(`${process.env.SONARR_HOST}/api/v3/calendar`, {
          headers: sonarrHeaders,
          params: calParams,
        })
      : Promise.resolve(null),

    process.env.SONARR_HOST && sonarrHeaders
      ? axios.get(`${process.env.SONARR_HOST}/api/v3/series`, {
          headers: sonarrHeaders,
        })
      : Promise.resolve(null),

    process.env.LIDARR_HOST && process.env.LIDARR_API_KEY
      ? axios.get(`${process.env.LIDARR_HOST}/api/v1/calendar`, {
          headers: { 'X-Api-Key': process.env.LIDARR_API_KEY },
          params: calParams,
        })
      : Promise.resolve(null),
  ])

  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const radarrData: any[] = results[0].status === 'fulfilled' && results[0].value?.data ? results[0].value.data : []
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const sonarrData: any[] = results[1].status === 'fulfilled' && results[1].value?.data ? results[1].value.data : []
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const seriesList: any[] = results[2].status === 'fulfilled' && results[2].value?.data ? results[2].value.data : []
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const lidarrData: any[] = results[3].status === 'fulfilled' && results[3].value?.data ? results[3].value.data : []

  const seriesById: Record<number, string> = {}
  for (const s of seriesList) seriesById[s.id] = s.title

  const items = [
    ...radarrData.map(m => ({
      date:       (m.digitalRelease ?? m.physicalRelease ?? m.inCinemas ?? '').slice(0, 10),
      title:      m.title,
      subtitle:   m.year ? String(m.year) : '',
      type:       'movie' as const,
      downloaded: m.hasFile ?? false,
    })).filter(m => m.date),

    ...sonarrData.map(e => ({
      date:       (e.airDate ?? '').slice(0, 10),
      title:      seriesById[e.seriesId] ?? e.title,
      subtitle:   `S${String(e.seasonNumber).padStart(2,'0')}E${String(e.episodeNumber).padStart(2,'0')}${e.title && e.title !== 'TBA' ? ` · ${e.title}` : ''}`,
      type:       'episode' as const,
      downloaded: e.hasFile ?? false,
    })).filter(e => e.date),

    ...lidarrData.map(a => ({
      date:       (a.releaseDate ?? '').slice(0, 10),
      title:      a.artist?.artistName ?? '',
      subtitle:   a.title,
      type:       'album' as const,
      downloaded: a.statistics?.trackFileCount > 0,
    })).filter(a => a.date),
  ].sort((a, b) => a.date.localeCompare(b.date))

  res.json({ items })
})

router.get('/stats', async (_req, res) => {
  const results = await Promise.allSettled([
    process.env.RADARR_HOST && process.env.RADARR_API_KEY ? Promise.all([
      axios.get(`${process.env.RADARR_HOST}/api/v3/movie`,        { headers: { 'X-Api-Key': process.env.RADARR_API_KEY } }),
      axios.get(`${process.env.RADARR_HOST}/api/v3/queue/status`, { headers: { 'X-Api-Key': process.env.RADARR_API_KEY } }),
    ]) : Promise.resolve(null),

    process.env.SONARR_HOST && process.env.SONARR_API_KEY ? Promise.all([
      axios.get(`${process.env.SONARR_HOST}/api/v3/series`,                               { headers: { 'X-Api-Key': process.env.SONARR_API_KEY } }),
      axios.get(`${process.env.SONARR_HOST}/api/v3/wanted/missing?pageSize=1`,             { headers: { 'X-Api-Key': process.env.SONARR_API_KEY } }),
      axios.get(`${process.env.SONARR_HOST}/api/v3/queue/status`,                          { headers: { 'X-Api-Key': process.env.SONARR_API_KEY } }),
    ]) : Promise.resolve(null),

    process.env.LIDARR_HOST && process.env.LIDARR_API_KEY ? Promise.all([
      axios.get(`${process.env.LIDARR_HOST}/api/v1/artist`,                               { headers: { 'X-Api-Key': process.env.LIDARR_API_KEY } }),
      axios.get(`${process.env.LIDARR_HOST}/api/v1/wanted/missing?pageSize=1`,             { headers: { 'X-Api-Key': process.env.LIDARR_API_KEY } }),
      axios.get(`${process.env.LIDARR_HOST}/api/v1/queue/status`,                          { headers: { 'X-Api-Key': process.env.LIDARR_API_KEY } }),
    ]) : Promise.resolve(null),
  ])

  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const radarr = results[0].status === 'fulfilled' && results[0].value ? results[0].value as any[] : null
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const sonarr = results[1].status === 'fulfilled' && results[1].value ? results[1].value as any[] : null
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  const lidarr = results[2].status === 'fulfilled' && results[2].value ? results[2].value as any[] : null

  res.json({
    radarr: radarr ? {
      movies:  radarr[0].data.length,
      missing: radarr[0].data.filter((m: { hasFile: boolean; monitored: boolean }) => !m.hasFile && m.monitored).length,
      queue:   radarr[1].data.totalCount ?? 0,
    } : null,
    sonarr: sonarr ? {
      series:  sonarr[0].data.length,
      missing: sonarr[1].data.totalRecords ?? 0,
      queue:   sonarr[2].data.totalCount ?? 0,
    } : null,
    lidarr: lidarr ? {
      artists: lidarr[0].data.length,
      missing: lidarr[1].data.totalRecords ?? 0,
      queue:   lidarr[2].data.totalCount ?? 0,
    } : null,
  })
})

export default router