import EleventyFetch from "@11ty/eleventy-fetch";

const { POSTGREST_URL, POSTGREST_API_KEY } = process.env;

const fetchDataFromView = async (viewName) => {
  try {
    return await EleventyFetch(`${POSTGREST_URL}/${viewName}?select=*`, {
      duration: "1h",
      type: "json",
      fetchOptions: {
        method: "GET",
        headers: {
          "Content-Type": "application/json",
          Authorization: `Bearer ${POSTGREST_API_KEY}`
        }
      }
    });
  } catch (error) {
    console.error(`Error fetching data from view ${viewName}:`, error);
    return [];
  }
};

export default async function fetchMusicData() {
  try {
    const [
      recentTracks,
      weekTracks,
      weekArtists,
      weekAlbums,
      weekGenres,
      monthTracks,
      monthArtists,
      monthAlbums,
      monthGenres
    ] = await Promise.all([
      fetchDataFromView("recent_tracks"),
      fetchDataFromView("week_tracks"),
      fetchDataFromView("week_artists"),
      fetchDataFromView("week_albums"),
      fetchDataFromView("week_genres"),
      fetchDataFromView("month_tracks"),
      fetchDataFromView("month_artists"),
      fetchDataFromView("month_albums"),
      fetchDataFromView("month_genres")
    ]);

    return {
      recent: recentTracks,
      week: {
        tracks: weekTracks,
        artists: weekArtists,
        albums: weekAlbums,
        genres: weekGenres,
        totalTracks: weekTracks.reduce((acc, track) => acc + track.plays, 0).toLocaleString("en-US")
      },
      month: {
        tracks: monthTracks,
        artists: monthArtists,
        albums: monthAlbums,
        genres: monthGenres,
        totalTracks: monthTracks
          .reduce((acc, track) => acc + track.plays, 0)
          .toLocaleString("en-US")
      }
    };
  } catch (error) {
    console.error("Error fetching and processing music data:", error);
    return {
      recent: [],
      week: {
        tracks: [],
        artists: [],
        albums: [],
        genres: [],
        totalTracks: "0"
      },
      month: {
        tracks: [],
        artists: [],
        albums: [],
        genres: [],
        totalTracks: "0"
      }
    };
  }
}