package documentclean

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

	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/document"
	cleanversion "queryorchestration/internal/document/clean/version"
	"queryorchestration/internal/serviceconfig"
	"queryorchestration/internal/serviceconfig/objectstore"
	"queryorchestration/internal/serviceconfig/queue/documenttext"
	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/google/uuid"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
	"github.com/stretchr/testify/require"
)

type DocCleanConfig struct {
	serviceconfig.BaseConfig
	documenttext.DocTextConfig
	objectstore.ObjectStoreConfig
}

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

	mockSQS := queuemock.NewMockSQSClient(t)

	cfg := &DocCleanConfig{}
	cfg.QueueClient = mockSQS
	cfg.DocumentTextURL = "/i/am/here"
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockS3 := objectstoremock.NewMockS3Client(t)
	cfg.StoreClient = mockS3

	svc := Service{
		cfg: cfg,
		svc: &Services{
			Version: cleanversion.New(cfg),
		},
	}

	doc := document.Document{
		ID:    uuid.New(),
		JobID: uuid.New(),
		Hash:  "example_hash",
	}
	inloc := document.Location{
		Bucket: "bucket_name",
		Key:    "/i/am/here",
	}
	dbid := database.MustToDBUUID(doc.ID)

	pool.ExpectQuery("name: HasDocumentCleanEntry :one").WithArgs(dbid).WillReturnRows(
		pgxmock.NewRows([]string{"isclean"}).
			AddRow(false),
	)
	pool.ExpectQuery("name: GetDocument :one").WithArgs(dbid).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "jobId", "hash"}).
				AddRow(dbid, database.MustToDBUUID(doc.JobID), doc.Hash),
		)
	pool.ExpectQuery("name: GetDocumentEntry :one").WithArgs(dbid).WillReturnRows(
		pgxmock.NewRows([]string{"documentId", "bucket", "key"}).
			AddRow(dbid, inloc.Bucket, inloc.Key),
	)
	mimeType := "application/pdf"
	dbmimetype := repository.NullCleanmimetype{
		Valid:         true,
		Cleanmimetype: repository.Cleanmimetype(mimeType),
	}
	pool.ExpectBegin()
	pool.ExpectQuery("name: GetMostRecentDocumentCleanEntry :one").WithArgs(dbid).
		WillReturnRows(
			pgxmock.NewRows([]string{"id", "documentId", "bucket", "key", "version", "mimetype", "fail"}),
		)
	cleanid := database.MustToDBUUID(uuid.New())
	pool.ExpectQuery("name: AddDocumentClean :one").WithArgs(dbid, &inloc.Bucket, &inloc.Key, dbmimetype, repository.NullCleanfailtype{}).
		WillReturnRows(
			pgxmock.NewRows([]string{"id"}).
				AddRow(cleanid),
		)
	pool.ExpectExec("name: AddDocumentCleanEntry :exec").WithArgs(cleanid, int32(1)).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectCommit()

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

	mockS3.EXPECT().
		HeadObject(
			mock.Anything,
			mock.MatchedBy(func(in *s3.HeadObjectInput) bool {
				return *in.Bucket == inloc.Bucket && *in.Key == inloc.Key
			}),
			mock.Anything,
		).
		Return(&s3.HeadObjectOutput{
			ContentType: &mimeType,
		}, nil)

	body := io.NopCloser(strings.NewReader(pdfHelloWorld))
	mockS3.EXPECT().
		GetObject(
			mock.Anything,
			mock.MatchedBy(func(in *s3.GetObjectInput) bool {
				return *in.Bucket == inloc.Bucket && *in.Key == inloc.Key
			}),
			mock.Anything,
		).
		Return(&s3.GetObjectOutput{
			Body: body,
		}, nil)

	err = svc.Clean(ctx, doc.ID)
	assert.NoError(t, err)
}

func TestInformClean(t *testing.T) {
	ctx := context.Background()
	mockSQS := queuemock.NewMockSQSClient(t)

	cfg := &DocCleanConfig{}
	cfg.QueueClient = mockSQS
	cfg.DocumentTextURL = "/i/am/here"
	svc := Service{
		cfg: cfg,
	}
	id := uuid.New()

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

	err := svc.informClean(ctx, id)
	assert.NoError(t, err)
}