from .entry import Entry
from .playlist import Playlist


class Queue:
    def __init__(self) -> None:
        self._entries: list[Entry] = []
        self.cursor = 0

    def add(self, entry: Entry) -> None:
        self._entries.append(entry)

    def addPlalist(self, playlist: Playlist) -> None:
        for entry in playlist:
            self._entries.append(entry)

    def remove(self, index: int, recursive: bool) -> None:
        if not 0 < index < len(self._entries):
            return

        # if recursive and self[index].playlist is not None:
        #    first_entry = ""
        # else:
        self._entries.pop()

    def move(self, frm: int, to: int) -> None:
        if (
            not 0 < frm < len(self._entries)
            or not 0 < to < len(self._entries)
            or frm == to
        ):
            return

        self._entries.insert(to, self._entries.pop(frm))

    def __getitem__(self, index: int) -> Entry | None:
        if not 0 < index < len(self._entries):
            return

        return self._entries[index]

    def __len__(self) -> int:
        return len(self._entries)