import graphene
from graphene import InputObjectType


class InputTypes(graphene.Enum):
    text_block = "text_block"
    # basic_knowledge = 'basic_knowledge' # probably won't be using this over the API
    assignment = "assignment"
    image_block = "image_block"
    image_url_block = "image_url_block"
    link_block = "link_block"
    video_block = "video_block"
    document_block = "document_block"
    content_list_item = "content_list_item"
    subtitle = "subtitle"
    solution = "solution"
    readonly = "readonly"


class ContentElementValueInput(InputObjectType):
    #  we'll handle this with a single input, even tho it would be nice to have a type for every different possibility
    #  see discussion at https://github.com/graphql/graphql-js/issues/207
    text = graphene.String(description="To be used for link_block, text_block types")
    url = graphene.String(description="To be used for link, image_block types")
    description = graphene.String(description="To be used for basic_knowledge type")
    title = graphene.String(description="To be used for image_block, assignment type")
    assignment = graphene.String(description="To be used for assignment type")
    id = graphene.String(description="To be used for assignment type")


class ContentElementInput(InputObjectType):
    id = graphene.String()
    type = InputTypes(required=True)
    value = ContentElementValueInput()
    contents = graphene.List("books.schema.inputs.ContentElementInput")


class UserGroupBlockVisibility(InputObjectType):
    school_class_id = graphene.ID(required=True)
    hidden = graphene.Boolean(required=True)


class ContentBlockInput(InputObjectType):
    title = graphene.String()
    type = graphene.String()
    contents = graphene.List(ContentElementInput)
    visibility = graphene.List(UserGroupBlockVisibility)