package doctextprocessrunner

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

	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/document"
	documenttext "queryorchestration/internal/document/text"
	"queryorchestration/internal/server/runner"
	"queryorchestration/internal/serviceconfig/aws"
	"queryorchestration/internal/serviceconfig/objectstore"
	"queryorchestration/internal/serviceconfig/queue/querysync"
	"queryorchestration/internal/serviceconfig/textract"
	objectstoremock "queryorchestration/mocks/objectstore"
	queuemock "queryorchestration/mocks/queue"

	"github.com/aws/aws-sdk-go-v2/service/s3"
	"github.com/aws/aws-sdk-go-v2/service/sqs"
	"github.com/go-playground/validator/v10"
	"github.com/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
)

type DocInitConfig struct {
	runner.BaseConfig[Body]
	aws.AWSConfig
	textract.TextractConfig
	querysync.QuerySyncConfig
	objectstore.ObjectStoreConfig
}

func TestDocTextProcessRunner(t *testing.T) {
	ctx := context.Background()

	pool, err := pgxmock.NewPool()
	require.NoError(t, err)

	cfg := &DocInitConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockSQS := queuemock.NewMockSQSClient(t)
	cfg.QueueClient = mockSQS
	mockS3 := objectstoremock.NewMockS3Client(t)
	cfg.StoreClient = mockS3

	runner := New(validator.New(), &Services{
		Text: documenttext.New(cfg),
	})
	assert.NotNil(t, runner)

	t.Run("pass through", func(t *testing.T) {
		triggerId := uuid.New()
		docId := uuid.New()
		textractId := "heeloo"
		textId := uuid.New()
		cleanId := uuid.New()
		bucketName := "bucketName"
		docinfo := document.DocumentSummary{
			ID:       uuid.New(),
			ClientID: "hello",
			Hash:     `"5d41402abc4b2a76b9719d911017c592"`,
		}
		key := objectstore.BucketKey{
			ClientID:  docinfo.ClientID,
			Location:  objectstore.TextTextract,
			Filename:  triggerId.String(),
			CreatedAt: time.Now().UTC(),
		}
		doc := Body{
			Bucket:   bucketName,
			Key:      key.String(),
			Hash:     docinfo.Hash,
			ClientID: docinfo.ClientID,
		}

		pool.ExpectQuery("name: GetDocumentTextTrigger :one").WithArgs(triggerId).WillReturnRows(
			pgxmock.NewRows([]string{"id", "cleanId", "version", "textractJobId", "documentId"}).
				AddRow(triggerId, cleanId, int64(123), &textractId, docId),
		)
		pool.ExpectBegin()
		pool.ExpectQuery("name: GetDocumentTextExtractionByHash :one").WithArgs(cleanId, docinfo.Hash).WillReturnRows(
			pgxmock.NewRows([]string{"id"}).
				AddRow(textId),
		)
		pool.ExpectExec("name: AddDocumentTextEntry :exec").WithArgs(textId, triggerId, pgxmock.AnyArg()).
			WillReturnResult(pgxmock.NewResult("", 1))
		pool.ExpectCommit()

		body := io.NopCloser(strings.NewReader("hello"))
		mockS3.EXPECT().
			GetObject(
				mock.Anything,
				mock.MatchedBy(func(in *s3.GetObjectInput) bool {
					return *in.IfMatch == `"5d41402abc4b2a76b9719d911017c592"`
				}),
				mock.Anything,
			).
			Return(&s3.GetObjectOutput{
				Body: body,
			}, nil)

		mockSQS.EXPECT().
			SendMessage(
				mock.Anything,
				mock.MatchedBy(func(in *sqs.SendMessageInput) bool {
					return *in.QueueUrl == cfg.QuerySyncURL && *in.MessageBody == fmt.Sprintf("{\"id\":\"%s\"}", docId.String())
				}),
				mock.Anything,
			).
			Return(&sqs.SendMessageOutput{}, nil)

		assert.True(t, runner.Process(ctx, doc))
	})
	t.Run("invalid key", func(t *testing.T) {
		key := objectstore.BucketKey{}
		doc := Body{
			Key: key.String(),
		}

		assert.True(t, runner.Process(ctx, doc))
	})
	t.Run("unable to process", func(t *testing.T) {
		triggerId := uuid.New()
		bucketName := "bucketName"
		docinfo := document.DocumentSummary{
			ID:       uuid.New(),
			ClientID: "hello",
			Hash:     `"5d41402abc4b2a76b9719d911017c592"`,
		}
		key := objectstore.BucketKey{
			ClientID:  docinfo.ClientID,
			Location:  objectstore.TextTextract,
			Filename:  triggerId.String(),
			CreatedAt: time.Now().UTC(),
		}
		doc := Body{
			Bucket:   bucketName,
			Key:      key.String(),
			Hash:     docinfo.Hash,
			ClientID: docinfo.ClientID,
		}

		pool.ExpectQuery("name: GetDocumentTextTrigger :one").WithArgs(triggerId).
			WillReturnError(errors.New("db fail"))

		assert.False(t, runner.Process(ctx, doc))
	})
}