import type { Box, Artist, Track } from '~/../types/types'

// stores/data.ts
import { defineStore } from 'pinia'
import { useUiStore } from '~/store/ui'

export const useDataStore = defineStore('data', {
  state: () => ({
    boxes: [] as Box[], // Store your box data here
    artists: [] as Artist[], // Store artist data here
    tracks: [] as Track[], // Store track data here
    isLoaded: false // Remember if data is already loaded
  }),

  actions: {
    async loadData() {
      if (this.isLoaded) return

      this.boxes = await $fetch<Box[]>('/api/boxes')
      this.artists = await $fetch<Artist[]>('/api/artists')
      const compilationTracks = await $fetch<Track[]>('/api/tracks/compilation')
      const playlistTracks = await $fetch<Track[]>('/api/tracks/playlist')

      // Mapper les tracks pour remplacer l'artist avec un objet Artist cohérent
      const artistMap = new Map(this.artists.map((a) => [a.id, a]))
      const allTracks = [...(compilationTracks ?? []), ...(playlistTracks ?? [])]

      this.tracks = allTracks.map((track) => {
        const a = track.artist as unknown
        let artistObj: Artist
        if (typeof a === 'number') {
          artistObj = artistMap.get(a) ?? { id: a, name: String(a), url: '', coverId: '' }
        } else if (typeof a === 'string') {
          artistObj = { id: 0, name: a, url: '', coverId: '' }
        } else if (a && typeof a === 'object' && 'id' in (a as any)) {
          const idVal = (a as any).id as number | undefined
          artistObj = idVal != null ? artistMap.get(idVal) ?? (a as Artist) : (a as Artist)
        } else {
          artistObj = { id: 0, name: '', url: '', coverId: '' }
        }

        return {
          ...track,
          artist: artistObj
        }
      })
      this.isLoaded = true
      const uiStore = useUiStore()
      uiStore.closeBox()
    }
  },

  getters: {
    // Obtenir toutes les boxes
    getBoxById: (state) => {
      return (id: string) => {
        return state.boxes.find((box) => box.id === id)
      }
    },
    // Obtenir toutes les pistes d'une box donnée
    getTracksByboxId: (state) => (id: string) => {
      return state.tracks.filter((track) => track.boxId === id)
    },
    // Filtrer les artistes selon certains critères
    getArtistById: (state) => (id: number) => state.artists.find((artist) => artist.id === id),

    // Obtenir toutes les pistes d'un artiste donné
    getTracksByArtistId: (state) => (artistId: number) => {
      return state.tracks.filter(
        (track) =>
          typeof track.artist === 'object' &&
          !!track.artist &&
          'id' in track.artist &&
          (track.artist as Artist).id === artistId
      )
    },
    getFirstTrackOfBox() {
      return (box: Box) => {
        const tracks = this.getTracksByboxId(box.id)
          .slice()
          .sort((a, b) => (a.order ?? 0) - (b.order ?? 0))
        return tracks.length > 0 ? tracks[0] : null
      }
    },
    getNextPlaylistTrack: (state) => {
      return (track: Track) => {
        const tracksInPlaylist = state.tracks
          .filter((t) => t.boxId === track.boxId)
          .sort((a, b) => (a.order ?? 0) - (b.order ?? 0))

        const index = tracksInPlaylist.findIndex((t) => t.id === track.id)
        return index >= 0 && index < tracksInPlaylist.length - 1
          ? tracksInPlaylist[index + 1]
          : null
      }
    },
    getNextTrack: (state) => {
      return (track: Track) => {
        // Récupérer toutes les tracks de la même box et les trier par ordre
        const tracksInBox = state.tracks
          .filter((t) => t.boxId === track.boxId)
          .sort((a, b) => (a.order ?? 0) - (b.order ?? 0))

        // Trouver l’index de la track courante
        const index = tracksInBox.findIndex((t) => t.id === track.id)
        // Retourner la track suivante ou null si c’est la dernière
        return index >= 0 && index < tracksInBox.length - 1 ? tracksInBox[index + 1] : null
      }
    },
    getPrevTrack: (state) => {
      return (track: Track) => {
        const tracksInBox = state.tracks
          .filter((t) => t.boxId === track.boxId)
          .sort((a, b) => (a.order ?? 0) - (b.order ?? 0))

        const index = tracksInBox.findIndex((t) => t.id === track.id)
        return index > 0 ? tracksInBox[index - 1] : null
      }
    }
  }
})