//                           _       _
// __      _____  __ ___   ___  __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
//  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
//   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
//  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
//  CONTACT: hello@weaviate.io
//

// Package utils provides utility methods and classes to support the graphql endpoint for Weaviate
package utils

import (
	"errors"

	"github.com/tailor-inc/graphql"
)

// GraphQLNetworkFieldContents contains all objects regarding GraphQL fields
type GraphQLNetworkFieldContents struct {
	NetworkGetObject        *graphql.Object // Object containing all fields for GraphQL Network Get schema generation
	NetworkMetaObject       *graphql.Object // Object containing all fields for GraphQL Network Meta schema generation
	NetworkFetchObject      *graphql.Object // Object containing all fields for GraphQL Network Fetch schema generation
	NetworkIntrospectObject *graphql.Object // Object containing all fields for GraphQL Network Introspect schema generation
	NetworkAggregateObject  *graphql.Object // Object containing all fields for GraphQL Network Aggregate schema generation
}

// FilterContainer contains all objects regarding GraphQL filters. Some filter elements are declared as global variables in the prototype, this struct achieves the same goal.
type FilterContainer struct {
	WhereOperatorEnum                           *graphql.Enum                   // Object containing all fields for the Where filter
	Operands                                    *graphql.InputObject            // Object containing all Operands
	LocalFilterOptions                          map[string]*graphql.InputObject // Object containing all fields for Local filters
	NetworkFilterOptions                        map[string]*graphql.InputObject // Object containing all fields for Network filters
	FetchThingsActionsWhereFilterArgConf        *graphql.ArgumentConfig         // Object containing the Where filter fields for Fetch Objects
	IntrospectThingsActionsWhereFilterArgConf   *graphql.ArgumentConfig         // Object containing the Where filter fields for Introspect Objects
	WeaviateNetworkWhereKeywordsInpObj          *graphql.InputObject            // Object containing a global filter element
	WeaviateNetworkIntrospectPropertiesObjField *graphql.Field                  // Object containing a global filter element
}

var ErrEmptySchema = errors.New("there are no classes defined yet")