package documentinit

import (
	"context"
	"queryorchestration/internal/database"
	"queryorchestration/internal/database/repository"
	"queryorchestration/internal/document"
	documentclean "queryorchestration/internal/document/clean"
	"queryorchestration/internal/job"
	"queryorchestration/internal/server/queue"

	"github.com/aws/aws-sdk-go-v2/service/sqs/types"
	"github.com/google/uuid"
)

type Create struct {
	JobID    uuid.UUID         `json:"jobId" validate:"required,uuid"`
	Location document.Location `json:"location" validate:"required"`
}

func (s *Service) Create(ctx context.Context, doc *Create) (uuid.UUID, error) {
	j, err := s.svc.Job.Get(ctx, doc.JobID)
	if err != nil {
		return uuid.Nil, err
	}

	params, err := s.getCreateParams(ctx, doc)
	if err != nil {
		return uuid.Nil, err
	}

	id, err := s.submitCreate(ctx, params)
	if err != nil {
		return uuid.Nil, err
	}

	err = s.informCreate(ctx, id, j)
	if err != nil {
		return uuid.Nil, err
	}

	return id, nil
}

func (s *Service) getCreateParams(ctx context.Context, doc *Create) (*repository.CreateDocumentParams, error) {
	// TODO - get document

	hash, err := s.getHash()
	if err != nil {
		return nil, err
	}

	return &repository.CreateDocumentParams{
		Jobid:    database.MustToDBUUID(doc.JobID),
		Hash:     hash,
		Location: doc.Location,
	}, nil
}

func (s *Service) submitCreate(ctx context.Context, params *repository.CreateDocumentParams) (uuid.UUID, error) {
	// TODO create - or if hash exists log attempt
	dbid, err := s.cfg.GetDBQueries().CreateDocument(ctx, params)
	if err != nil {
		return uuid.Nil, err
	}

	id := database.MustToUUID(dbid)

	return id, nil
}

func (s *Service) getHash() (string, error) {
	// TODO
	return "example_hash", nil
}

func (s *Service) informCreate(ctx context.Context, id uuid.UUID, j *job.Job) error {
	if !j.CanSync {
		return nil
	}

	err := queue.Send(ctx, &queue.Config{
		Client: s.cfg.GetQueueClient(),
		URL:    s.cfg.GetDocumentCleanURL(),
	}, documentclean.Create{
		ID: id,
	}, map[string]types.MessageAttributeValue{})
	if err != nil {
		return err
	}

	return nil
}