package documenttext

import (
	"context"
	"testing"

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

	"github.com/aws/aws-sdk-go-v2/service/textract"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"

	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
)

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

	cfg := &DocTextConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockS3 := objectstoremock.NewMockS3Client(t)
	cfg.StoreClient = mockS3
	mockTextract := textractmock.NewMockTextractClient(t)
	cfg.TextractClient = mockTextract

	svc := Service{
		cfg: cfg,
	}

	t.Run("successful clean", func(t *testing.T) {
		cleanId := uuid.New()
		inloc := document.Location{
			Bucket: "bucket_name",
			Key:    "/i/am/here",
		}
		hash := "hhasshhh"

		jobId := "hello"
		triggerId := uuid.New()
		pool.ExpectBegin()
		pool.ExpectQuery("name: AddDocumentTextTrigger :one").WithArgs(cleanId, pgxmock.AnyArg()).WillReturnRows(
			pgxmock.NewRows([]string{"id"}).AddRow(triggerId),
		)

		mockTextract.EXPECT().
			StartDocumentTextDetection(
				mock.Anything,
				mock.MatchedBy(func(in *textract.StartDocumentTextDetectionInput) bool {
					return true
				}),
				mock.Anything,
			).
			Return(&textract.StartDocumentTextDetectionOutput{
				JobId: &jobId,
			}, nil)

		pool.ExpectExec("name: AddDocumentTextTriggerJobId :exec").WithArgs(&jobId, triggerId).
			WillReturnResult(pgxmock.NewResult("", 1))
		pool.ExpectCommit()

		err = svc.triggerExtract(ctx, &repository.Currentcleanentry{
			ID:       cleanId,
			Clientid: "AA",
			Key:      &inloc.Key,
			Bucket:   &inloc.Bucket,
			Hash:     &hash,
			Mimetype: repository.NullCleanmimetype{
				Valid:         true,
				Cleanmimetype: repository.CleanmimetypeApplicationPdf,
			},
		})
		require.NoError(t, err)
	})
}

func TestGetOutputFilename(t *testing.T) {
	svc := Service{}

	_, err := svc.getOutputFilename(uuid.Nil)
	assert.EqualError(t, err, "trigger id required")

	triggerId := uuid.New()
	key, err := svc.getOutputFilename(triggerId)
	assert.NoError(t, err)
	assert.Equal(t, triggerId.String(), key)
}

func TestGetTriggerIdFromKey(t *testing.T) {
	svc := Service{}

	_, err := svc.getTriggerIdFromKey(objectstore.BucketKey{})
	assert.EqualError(t, err, "invalid UUID length: 0")

	_, err = svc.getTriggerIdFromKey(objectstore.BucketKey{
		Filename: "aa",
	})
	assert.EqualError(t, err, "invalid UUID length: 2")

	triggerId, err := svc.getTriggerIdFromKey(objectstore.BucketKey{
		Filename: "6ac21b2b-f36c-4ae7-a815-307d4a9bfe4d",
	})
	assert.NoError(t, err)
	assert.Equal(t, "6ac21b2b-f36c-4ae7-a815-307d4a9bfe4d", triggerId.String())
}