# -*- coding: utf-8 -*-
#
# Copyright (C) 2020 CERN.
#
# invenio-app-ils is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.

"""Resolver for Patron referenced in BorrowingRequest."""

import jsonresolver
from werkzeug.routing import Rule

from invenio_app_ils.patrons.api import get_patron_or_unknown_dump
from invenio_app_ils.records.jsonresolvers.api import (
    get_field_value_for_record as get_field_value,
)
from invenio_app_ils.records.jsonresolvers.api import get_pid_or_default

from ..proxies import current_ils_ill

# Note: there must be only one resolver per file,
# otherwise only the last one is registered


@jsonresolver.hookimpl
def jsonresolver_loader(url_map):
    """Resolve the referred Patron for a Borrowing Request record."""
    from flask import current_app

    @get_pid_or_default(default_value=dict())
    def borrowing_request_resolver(request_pid):
        """Return the Patron record for the given Brw Request or raise."""
        request_record_cls = current_ils_ill.borrowing_request_record_cls
        patron_pid = get_field_value(request_record_cls, request_pid, "patron_pid")

        return get_patron_or_unknown_dump(patron_pid)

    url_map.add(
        Rule(
            "/api/resolver/ill/borrowing-requests/<request_pid>/patron",
            endpoint=borrowing_request_resolver,
            host=current_app.config.get("JSONSCHEMAS_HOST"),
        )
    )