package documenttext

import (
	"context"
	"io"
	"strings"
	"testing"
	"time"

	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/serviceconfig/objectstore"
	objectstoremock "queryorchestration/mocks/objectstore"
	textractmock "queryorchestration/mocks/textract"

	"github.com/aws/aws-sdk-go-v2/service/s3"
	"github.com/aws/aws-sdk-go-v2/service/textract"
	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
)

func TestExecuteExtract(t *testing.T) {
	ctx := context.Background()
	pool, err := pgxmock.NewPool()
	require.NoError(t, err)

	cfg := &DocTextConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockStore := objectstoremock.NewMockS3Client(t)
	cfg.StoreClient = mockStore
	mockTextract := textractmock.NewMockTextractClient(t)
	cfg.TextractClient = mockTextract

	svc := Service{
		cfg: cfg,
	}

	cleanId := uuid.New()
	docId := uuid.New()
	bucket := "bucket"
	hash := `"a06d5e0e795adeb6d0b3732330dbcc15"`
	textId := uuid.New()
	key := objectstore.BucketKey{
		ClientID:  "aa",
		Location:  objectstore.Import,
		CreatedAt: time.Now().UTC(),
		EntityID:  cleanId,
	}
	keyStr := key.String()
	textractFile := "../../../assets/sampleGeneration/generated/helloWorld.gen"
	textractBaseOut := getTextractFileResponse(t, textractFile)

	mimetype := repository.NullCleanmimetype{
		Valid:         true,
		Cleanmimetype: repository.CleanmimetypeApplicationPdf,
	}
	pool.ExpectQuery("name: GetCleanEntryByDocId :one").WithArgs(docId).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "documentId", "bucket", "key", "version", "hash", "mimetype", "fail", "clientId"}).
				AddRow(cleanId, docId, &bucket, &keyStr, int64(123), &hash, mimetype, nil, key.ClientID),
		)
	bodyMsg := io.NopCloser(strings.NewReader(pdfHelloWorld))
	mockStore.EXPECT().
		GetObject(
			mock.Anything,
			mock.MatchedBy(func(in *s3.GetObjectInput) bool {
				return *in.Bucket == bucket && *in.Key == keyStr
			}),
			mock.Anything,
		).
		Return(&s3.GetObjectOutput{
			Body: bodyMsg,
		}, nil)
	sent := 0
	mockTextract.EXPECT().
		AnalyzeDocument(
			mock.Anything,
			mock.MatchedBy(func(in *textract.AnalyzeDocumentInput) bool {
				if sent == 0 {
					sent++
					return true
				}
				return false
			}),
			mock.Anything,
		).
		Return(&textractBaseOut["base"][0], nil).Once()

	pool.ExpectBegin()
	pool.ExpectQuery("name: GetDocumentTextExtractionByHash :one").WithArgs(cleanId, hash).WillReturnRows(
		pgxmock.NewRows([]string{"id"}).
			AddRow(textId),
	)
	pool.ExpectExec("name: AddDocumentTextEntry :exec").WithArgs(textId, pgxmock.AnyArg()).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectCommit()

	err = svc.executeExtraction(ctx, docId)
	require.NoError(t, err)
}