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//                           _       _
// __      _____  __ ___   ___  __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
//  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
//   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
//  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
//  CONTACT: [email protected]
//

package test

import (
	"encoding/json"
	"fmt"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/weaviate/weaviate/entities/models"
	"github.com/weaviate/weaviate/test/helper"
	graphqlhelper "github.com/weaviate/weaviate/test/helper/graphql"
	"github.com/weaviate/weaviate/test/helper/sample-schema/books"
)

func Test_QnATransformers(t *testing.T) {
	helper.SetupClient(os.Getenv(weaviateEndpoint))
	// Contextionary with QnA module config present
	booksClass := books.ClassContextionaryVectorizerWithQnATransformers()
	helper.CreateClass(t, booksClass)
	defer helper.DeleteClass(t, booksClass.Class)
	// Contextionary without QnA module config present
	booksWithoutQnAConfig := "BooksWithoutConfig"
	booksWithoutQnAConfigClass := books.ClassContextionaryVectorizerWithName(booksWithoutQnAConfig)
	helper.CreateClass(t, booksWithoutQnAConfigClass)
	defer helper.DeleteClass(t, booksWithoutQnAConfigClass.Class)
	// Text2VecTransformers with QnA module config present
	booksTransformers := "BooksTransformers"
	booksTransformersClass := books.ClassTransformersVectorizerWithQnATransformersWithName(booksTransformers)
	helper.CreateClass(t, booksTransformersClass)
	defer helper.DeleteClass(t, booksTransformersClass.Class)
	// Text2VecTransformers without QnA module config present
	booksTransformersWithoutQnAConfig := "BooksTransformersWithoutConfig"
	booksTransformersWithoutQnAConfigClass := books.ClassTransformersVectorizerWithName(booksTransformersWithoutQnAConfig)
	helper.CreateClass(t, booksTransformersWithoutQnAConfigClass)
	defer helper.DeleteClass(t, booksTransformersWithoutQnAConfigClass.Class)

	t.Run("add data to Books schema", func(t *testing.T) {
		bookObjects := []*models.Object{}
		bookObjects = append(bookObjects, books.Objects()...)
		bookObjects = append(bookObjects, books.ObjectsWithName(booksWithoutQnAConfig)...)
		bookObjects = append(bookObjects, books.ObjectsWithName(booksTransformers)...)
		bookObjects = append(bookObjects, books.ObjectsWithName(booksTransformersWithoutQnAConfig)...)
		for _, book := range bookObjects {
			helper.CreateObject(t, book)
			helper.AssertGetObjectEventually(t, book.Class, book.ID)
		}
	})

	t.Run("ask", func(t *testing.T) {
		for _, class := range []*models.Class{booksClass, booksWithoutQnAConfigClass, booksTransformersClass, booksTransformersWithoutQnAConfigClass} {
			t.Run(class.Class, func(t *testing.T) {
				query := `

					{

						Get {

							%s(

								ask: {

									question: "Who is Dune's author?"

								}

								limit: 1

							){

								title

								_additional {

									answer {

										hasAnswer

										property

										result

										startPosition

										endPosition

									}

								}

							}

						}

					}

				`
				result := graphqlhelper.AssertGraphQL(t, helper.RootAuth, fmt.Sprintf(query, class.Class))
				books := result.Get("Get", class.Class).AsSlice()
				expected := []interface{}{
					map[string]interface{}{
						"title": "Dune",
						"_additional": map[string]interface{}{
							"answer": map[string]interface{}{
								"endPosition":   json.Number("74"),
								"hasAnswer":     true,
								"property":      "description",
								"result":        "frank herbert",
								"startPosition": json.Number("61"),
							},
						},
					},
				}
				assert.ElementsMatch(t, expected, books)
			})
		}
	})
}