""" defines activitypub collections (lists) """
from dataclasses import dataclass, field
from typing import List

from .base_activity import ActivityObject


@dataclass(init=False)
class OrderedCollection(ActivityObject):
    """ structure of an ordered collection activity """

    totalItems: int
    first: str
    last: str = None
    name: str = None
    owner: str = None
    type: str = "OrderedCollection"


@dataclass(init=False)
class OrderedCollectionPrivate(OrderedCollection):
    """ an ordered collection with privacy settings """

    to: List[str] = field(default_factory=lambda: [])
    cc: List[str] = field(default_factory=lambda: [])


@dataclass(init=False)
class Shelf(OrderedCollectionPrivate):
    """ structure of an ordered collection activity """

    type: str = "Shelf"


@dataclass(init=False)
class BookList(OrderedCollectionPrivate):
    """ structure of an ordered collection activity """

    summary: str = None
    curation: str = "closed"
    type: str = "BookList"


@dataclass(init=False)
class OrderedCollectionPage(ActivityObject):
    """ structure of an ordered collection activity """

    partOf: str
    orderedItems: List
    next: str = None
    prev: str = None
    type: str = "OrderedCollectionPage"


@dataclass(init=False)
class CollectionItem(ActivityObject):
    """ an item in a collection """

    actor: str
    type: str = "CollectionItem"


@dataclass(init=False)
class ListItem(CollectionItem):
    """ a book on a list """

    book: str
    notes: str = None
    approved: bool = True
    order: int = None
    type: str = "ListItem"


@dataclass(init=False)
class ShelfItem(CollectionItem):
    """ a book on a list """

    book: str
    type: str = "ShelfItem"