# -*- coding: utf-8 -*-
#
# Copyright (C) 2019-2020 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.

"""Configuration for Invenio ILS acquisition module."""
from invenio_indexer.api import RecordIndexer
from invenio_records_rest.facets import terms_filter

from invenio_app_ils.config import RECORDS_REST_MAX_RESULT_WINDOW
from invenio_app_ils.permissions import (
    backoffice_permission,
    backoffice_read_permission,
    superuser_permission,
)

from .api import ORDER_PID_FETCHER, ORDER_PID_MINTER, ORDER_PID_TYPE, Order
from .search import OrderSearch

_ORDER_CONVERTER = 'pid(acqoid, record_class="invenio_app_ils.acquisition.api:Order")'

RECORDS_REST_ENDPOINTS = dict(
    acqoid=dict(
        pid_type=ORDER_PID_TYPE,
        pid_minter=ORDER_PID_MINTER,
        pid_fetcher=ORDER_PID_FETCHER,
        search_class=OrderSearch,
        record_class=Order,
        indexer_class=RecordIndexer,
        record_loaders={
            "application/json": "invenio_app_ils.acquisition.loaders:order_loader"
        },
        record_serializers={
            "application/json": "invenio_app_ils.records.serializers:json_v1_response"
        },
        search_serializers={
            "application/json": "invenio_app_ils.records.serializers:json_v1_search",
            "text/csv": "invenio_app_ils.records.serializers:csv_v1_search",
        },
        search_serializers_aliases={
            "csv": "text/csv",
            "json": "application/json",
        },
        list_route="/acquisition/orders/",
        item_route="/acquisition/orders/<{0}:pid_value>".format(_ORDER_CONVERTER),
        default_media_type="application/json",
        max_result_window=RECORDS_REST_MAX_RESULT_WINDOW,
        error_handlers=dict(),
        read_permission_factory_imp=backoffice_read_permission,
        list_permission_factory_imp=backoffice_read_permission,
        create_permission_factory_imp=backoffice_permission,
        update_permission_factory_imp=backoffice_permission,
        delete_permission_factory_imp=superuser_permission,
    ),
)

RECORDS_REST_SORT_OPTIONS = dict(
    acq_orders=dict(  # OrderSearch.Meta.index
        created=dict(fields=["_created"], title="Recently added", order=1),
        bestmatch=dict(
            fields=["-_score"],
            title="Best match",
            order=2,
        ),
        order_date=dict(
            fields=["order_date"],
            title="Order date",
            order=3,
        ),
        expected_delivery_date=dict(
            fields=["expected_delivery_date"],
            title="Expected delivery date",
            order=4,
        ),
        grand_total=dict(
            fields=["grand_total_main_currency.value"],
            title="Total",
            order=5,
        ),
    ),
)

FACET_PROVIDER_LIMIT = 5

RECORDS_REST_FACETS = dict(
    acq_orders=dict(  # OrderSearch.Meta.index
        aggs=dict(
            status=dict(terms=dict(field="status")),
            provider=dict(
                terms=dict(field="provider.name.keyword", size=FACET_PROVIDER_LIMIT)
            ),
            payment_mode=dict(terms=dict(field="order_lines.payment_mode")),
            medium=dict(terms=dict(field="order_lines.medium")),
        ),
        post_filters=dict(
            status=terms_filter("status"),
            provider=terms_filter("provider.name.keyword"),
            payment_mode=terms_filter("order_lines.payment_mode"),
            medium=terms_filter("order_lines.medium"),
        ),
    )
)
