"""Reference Flowthrough Calculation blueprint."""

from abacus_common_logic.views.item_view import ItemView
from abacus_common_logic.views.list_view import ListView
from flask import Blueprint, request
from owsrequest import flask_request
from owsresponse import response
from owsresponse.adaptors.flask import flaskify

from abacus_contract.constants import error
from abacus_contract.models import ReferenceFlowthroughCalculation
from abacus_contract.schemas.reference_flowthrough_calculation \
    import ReferenceFlowthroughCalculationSchema
from abacus_contract.utils import authorization

reference_flowthrough_calculation_api = Blueprint(
    'reference_flowthrough_calculation_api',
    __name__
)


class ReferenceFlowthroughCalculationItemView(ItemView):
    """View for existing reference flowthrough calculations."""

    model_class = ReferenceFlowthroughCalculation
    object_detail_schema = ReferenceFlowthroughCalculationSchema()

    def get(self, object_id, **kwargs):
        """Get reference flowthrough calculation by id."""
        access_rule_decision = flask_request.verify_rules_access_standalone(request)
        if not access_rule_decision:
            authorized = authorization.pdp_authorize_resource(
                resource_id=0,
                resource_type='reference_flowthrough_calculation',
            )
            if not authorized:
                return flaskify(
                    response.create_error_response(
                        code=error.ERROR_CODE_FORBIDDEN,
                        message=error.ERROR_MESSAGE_FORBIDDEN_USER,
                        status=403,
                    )
                )
        return super().get(object_id, **kwargs)


class ReferenceFlowthroughCalculationListView(ListView):
    """View for listing reference flowthrough calculations."""

    model_class = ReferenceFlowthroughCalculation
    list_entry_schema = ReferenceFlowthroughCalculationSchema()

    def get(self):
        """List reference flowthrough calculations."""
        access_rule_decision = flask_request.verify_rules_access_standalone(request)
        if not access_rule_decision:
            return flaskify(response.create_error_response(
                code=error.ERROR_CODE_AUTHORIZATION,
                message='Unauthorized', status=401,
            ))
        return super().get()


reference_flowthrough_calculation_api.add_url_rule(
    '/reference-flowthrough-calculations/',
    methods=['GET'],
    view_func=ReferenceFlowthroughCalculationListView.as_view(
        'list_reference_flowthrough_calculations'
    )
)

reference_flowthrough_calculation_api.add_url_rule(
    '/reference-flowthrough-calculation/<int:object_id>',
    methods=['GET'],
    view_func=ReferenceFlowthroughCalculationItemView.as_view(
        'get_reference_flowthrough_calculation'
    )
)