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# Copyright (c) 2012 - 2023, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Boilerplate
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from __future__ import annotations

import logging # isort:skip
log = logging.getLogger(__name__)

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# Imports
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# Standard library imports
from typing import TYPE_CHECKING, Any, TypedDict

# Bokeh imports
from ...core.types import ID
from ..exceptions import ProtocolError
from ..message import Message

if TYPE_CHECKING:
    from ...document.document import DocJson, Document

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# Globals and constants
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__all__ = (
    'pull_doc_reply',
)

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# General API
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# Dev API
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class PullDoc(TypedDict):
    doc: DocJson

class pull_doc_reply(Message[PullDoc]):
    ''' Define the ``PULL-DOC-REPLY`` message for replying to Document pull
    requests from clients

    The ``content`` fragment of for this message is has the form:

    .. code-block:: python

        {
            'doc' : <Document JSON>
        }

    '''

    msgtype = 'PULL-DOC-REPLY'

    @classmethod
    def create(cls, request_id: ID, document: Document, **metadata: Any) -> pull_doc_reply:
        ''' Create an ``PULL-DOC-REPLY`` message

        Args:
            request_id (str) :
                The message ID for the message that issues the pull request

            document (Document) :
                The Document to reply with

        Any additional keyword arguments will be put into the message
        ``metadata`` fragment as-is.

        '''
        header = cls.create_header(request_id=request_id)
        content = PullDoc(doc=document.to_json())

        msg = cls(header, metadata, content)
        return msg

    def push_to_document(self, doc: Document) -> None:
        if 'doc' not in self.content:
            raise ProtocolError("No doc in PULL-DOC-REPLY")
        doc.replace_with_json(self.content['doc'])

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# Private API
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# Code
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