package queryrunner_test

import (
	"context"
	"encoding/json"
	"fmt"
	queryrunner "queryorchestration/api/queryRunner"
	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/query"
	"queryorchestration/internal/query/result"
	resultprocessor "queryorchestration/internal/query/result/processor"
	resultset "queryorchestration/internal/query/result/set"
	"queryorchestration/internal/server/runner"
	queryc "queryorchestration/internal/serviceconfig/queue/query"
	queuemock "queryorchestration/mocks/queue"
	"testing"

	"github.com/aws/aws-sdk-go-v2/service/sqs"
	"github.com/aws/aws-sdk-go-v2/service/sqs/types"
	"github.com/go-playground/validator/v10"
	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgtype"
	"github.com/pashagolub/pgxmock/v3"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/mock"
)

type QueryConfig struct {
	runner.BaseConfig
	queryc.QueryConfig
}

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

	pool, err := pgxmock.NewPool()
	if err != nil {
		t.Fatalf("failed to open pgxmock database: %v", err)
	}

	cfg := &QueryConfig{}
	cfg.DBPool = pool
	cfg.DBQueries = repository.New(pool)
	mockSQS := queuemock.NewMockSQSClient(t)
	cfg.QueueClient = mockSQS
	cfg.QueryURL = "/i/am/here"

	que := query.New(cfg)
	runner := queryrunner.New(validator.New(), &queryrunner.Services{
		ResultSet: resultset.New(cfg, &resultset.Services{
			Query: que,
			Result: result.New(cfg, &result.Services{
				Query: que,
			}),
		}),
	})
	assert.NotNil(t, runner)

	doc := resultset.Set{
		DocumentID: uuid.New(),
		QueryID:    uuid.New(),
	}
	bodyBytes, err := json.Marshal(doc)
	assert.NoError(t, err)
	body := string(bodyBytes)
	msg := &types.Message{
		Body: &body,
	}

	qcfg := "{\"path\":\"examplekey\"}"
	query := &resultprocessor.Query{
		ID:               doc.QueryID,
		Version:          2,
		RequiredQueryIDs: &[]uuid.UUID{uuid.New()},
		Config:           &qcfg,
	}
	params := &resultset.Set{
		DocumentID: doc.DocumentID,
	}

	pool.ExpectQuery("name: GetDocumentCleanEntry :one").WithArgs(database.MustToDBUUID(params.DocumentID)).
		WillReturnRows(
			pgxmock.NewRows([]string{"documentId", "bucket", "key", "version"}).
				AddRow(database.MustToDBUUID(params.DocumentID), "buket", "/i/am/here", int32(1)),
		)
	pool.ExpectQuery("name: GetDocumentTextEntry :one").WithArgs(database.MustToDBUUID(params.DocumentID)).
		WillReturnRows(
			pgxmock.NewRows([]string{"documentId", "bucket", "key", "version"}).
				AddRow(database.MustToDBUUID(params.DocumentID), "buket", "/i/am/here", int32(1)),
		)
	pool.ExpectQuery("name: GetQuery :one").WithArgs(database.MustToDBUUID(query.ID)).WillReturnRows(
		pgxmock.NewRows([]string{"id", "type", "activeVersion", "latestVersion", "config", "requiredIds"}).
			AddRow(database.MustToDBUUID(query.ID), repository.QuerytypeJsonExtractor, query.Version, query.Version, []byte(*query.Config), database.MustToDBUUIDArray(*query.RequiredQueryIDs)),
	)
	pool.ExpectQuery("name: GetQueryWithVersion :one").WithArgs(database.MustToDBUUID(query.ID), query.Version).WillReturnRows(
		pgxmock.NewRows([]string{"id", "type", "activeVersion", "latestVersion", "config", "requiredIds"}).
			AddRow(database.MustToDBUUID(query.ID), repository.QuerytypeJsonExtractor, query.Version, query.Version, []byte(*query.Config), database.MustToDBUUIDArray(*query.RequiredQueryIDs)),
	)
	pool.ExpectQuery("name: ListQueryRequirementValues :many").WithArgs(database.MustToDBUUID(params.DocumentID), database.MustToDBUUID(query.ID), query.Version).
		WillReturnRows(
			pgxmock.NewRows([]string{"queryId", "type", "value"}).
				AddRow(database.MustToDBUUID((*query.RequiredQueryIDs)[0]), repository.QuerytypeContextFull, "{\"examplekey\":\"example_value\"}"),
		)
	pool.ExpectQuery("name: GetQueryConfig :one").WithArgs(database.MustToDBUUID(query.ID), query.Version).WillReturnRows(
		pgxmock.NewRows([]string{"id", "config"}).
			AddRow(pgtype.UUID{}, []byte(qcfg)),
	)
	pool.ExpectExec("name: SetResult :exec").WithArgs(database.MustToDBUUID(query.ID), database.MustToDBUUID(params.DocumentID), pgxmock.AnyArg(), int32(1), int32(1), query.Version).
		WillReturnResult(pgxmock.NewResult("", 1))
	pool.ExpectQuery("name: ListQueryDirectDependentsByDocumentID :many").WithArgs(database.MustToDBUUID(query.ID), database.MustToDBUUID(doc.DocumentID)).
		WillReturnRows(
			pgxmock.NewRows([]string{"queryId"}).
				AddRow(database.MustToDBUUID((*query.RequiredQueryIDs)[0])),
		)

	mockSQS.EXPECT().
		SendMessage(
			mock.Anything,
			mock.MatchedBy(func(in *sqs.SendMessageInput) bool {
				return *in.QueueUrl == cfg.QueryURL && *in.MessageBody == fmt.Sprintf("{\"document_id\":\"%s\",\"query_id\":\"%s\"}", params.DocumentID.String(), (*query.RequiredQueryIDs)[0].String())
			}),
			mock.Anything,
		).
		Return(&sqs.SendMessageOutput{}, nil)

	err = runner.Process(ctx, msg)
	assert.NoError(t, err)
}