"""Constants related to projects and campaigns."""
from enum import Enum
from typing import List, Optional

MAX_PRIMARY_ARTISTS = 3
MAX_FEATURED_ARTISTS = 20
MAX_PRODUCT_FAMILIES_TO_ATTACH = 20
MAX_RECENTLY_VIEWED_PROJECTS = 9
MAX_NEWLY_ADDED_PROJECT = 4


class ProjectTargetTypes(Enum):
    ARTIST = "Artist"
    PLAYLIST = "Playlist"

    @staticmethod
    def all_values() -> List[str]:
        # noinspection PyTypeChecker
        return list(map(lambda c: c.value, ProjectTargetTypes))

    @staticmethod
    def from_value(value: str) -> Optional["ProjectTargetTypes"]:
        try:
            target_type = ProjectTargetTypes(value)
        except ValueError:
            return None
        return target_type