from datetime import datetime
import os
from app.db.userdata import FavoritesTable, PlaylistTable, ScrobbleTable

from app.models.playlist import Playlist
from app.serializers.track import serialize_track
from app.serializers.album import album_serializer
from app.lib.playlistlib import get_first_4_images
from app.store.folder import FolderStore
from app.utils.dates import (
    create_new_date,
    date_string_to_time_passed,
    timestamp_to_time_passed,
)
from app.serializers.artist import serialize_for_card
from app.serializers.playlist import serialize_for_card as serialize_playlist
from app.lib.home.recentlyadded import get_recently_added_playlist

from app.store.albums import AlbumStore
from app.store.tracks import TrackStore
from app.store.artists import ArtistStore


def get_recently_played(limit=7):
    # TODO: Paginate this
    entries = ScrobbleTable.get_all(0, 200)
    items = []
    added = set()

    custom_playlists = [
        {"name": "recentlyadded", "handler": get_recently_added_playlist},
        {"name": "recentlyplayed", "handler": get_recently_played_playlist},
    ]

    for entry in entries:
        if len(items) >= limit:
            break

        if entry.source in added:
            continue

        added.add(entry.source)

        if entry.type == "album":
            album = AlbumStore.get_album_by_hash(entry.type_src)

            if album is None:
                continue

            album = album_serializer(
                album,
                to_remove={
                    "genres",
                    "date",
                    "count",
                    "duration",
                    "albumartists_hashes",
                    "og_title",
                },
            )
            album["help_text"] = "album"
            album["time"] = timestamp_to_time_passed(entry.timestamp)

            items.append(
                {
                    "type": "album",
                    "item": album,
                }
            )
            continue

        if entry.type == "artist":
            artist = ArtistStore.get_artist_by_hash(entry.type_src)

            if artist is None:
                continue

            artist = serialize_for_card(artist)
            artist["help_text"] = "artist"
            artist["time"] = timestamp_to_time_passed(entry.timestamp)

            items.append(
                {
                    "type": "artist",
                    "item": artist,
                }
            )

            continue

        if entry.type == "folder":
            folder = entry.type_src

            if not folder:
                continue

            if not folder.endswith("/"):
                folder += "/"

            is_home_dir = entry.type_src == "$home"

            if is_home_dir:
                folder = os.path.expanduser("~")

            # print(folder)
            # folder = os.path.join("/", folder, "")
            # print(folder)
            # count = len([t for t in TrackStore.tracks if t.folder == folder])
            count = FolderStore.count_tracks_containing_paths([folder])
            items.append(
                {
                    "type": "folder",
                    "item": {
                        "path": folder,
                        "count": count[0]["trackcount"],
                        "help_text": "folder",
                        "time": timestamp_to_time_passed(entry.timestamp),
                    },
                }
            )
            continue

        if entry.type == "playlist":
            is_custom = entry.type_src in [i["name"] for i in custom_playlists]
            # is_recently_added = entry.type_src == "recentlyadded"

            if is_custom:
                playlist, _ = next(
                    i["handler"]()
                    for i in custom_playlists
                    if i["name"] == entry.type_src
                )
                playlist.images = [i["image"] for i in playlist.images]

                playlist = serialize_playlist(
                    playlist, to_remove={"settings", "duration"}
                )

                playlist["help_text"] = "playlist"
                playlist["time"] = timestamp_to_time_passed(entry.timestamp)

                items.append(
                    {
                        "type": "playlist",
                        "item": playlist,
                    }
                )
                continue

            playlist = PlaylistTable.get_by_id(entry.type_src)
            if playlist is None:
                continue

            tracks = TrackStore.get_tracks_by_trackhashes(playlist.trackhashes)
            playlist.clear_lists()

            if not playlist.has_image:
                images = get_first_4_images(tracks)
                images = [i["image"] for i in images]
                playlist.images = images

            items.append(
                {
                    "type": "playlist",
                    "item": {
                        "help_text": "playlist",
                        "time": timestamp_to_time_passed(entry.timestamp),
                        **serialize_playlist(playlist),
                    },
                }
            )

        if entry.type == "favorite":
            items.append(
                {
                    "type": "favorite_tracks",
                    "item": {
                        "help_text": "playlist",
                        "count": FavoritesTable.count(),
                        "time": timestamp_to_time_passed(entry.timestamp),
                    },
                }
            )
            continue

        t = TrackStore.trackhashmap.get(entry.trackhash)

        if t is None:
            continue

        track = serialize_track(t.get_best())
        track["help_text"] = "track"
        track["time"] = timestamp_to_time_passed(entry.timestamp)

        items.append(
            {
                "type": "track",
                "item": track,
            }
        )

    return items


def get_recently_played_playlist(limit: int = 100):
    playlist = Playlist(
        id="recentlyplayed",
        name="Recently Played",
        image=None,
        last_updated="Now",
        settings={},
        trackhashes=[],
    )

    tracks = TrackStore.get_recently_played(limit)
    date = datetime.fromtimestamp(tracks[0].lastplayed)
    playlist._last_updated = date_string_to_time_passed(create_new_date(date))

    images = get_first_4_images(tracks=tracks)
    playlist.images = images

    return playlist, tracks