package medias

import (
	"mime/multipart"
	"time"

	"backend/app/http/storages"
	"backend/app/http/tenants"
	"backend/database/models/qvyun_v2/public/model"
	"backend/pkg/storage"
	"backend/providers/jwt"

	"github.com/gofiber/fiber/v3"
	log "github.com/sirupsen/logrus"
)

// @provider
type Controller struct {
	tenantSvc  *tenants.Service
	svc        *Service
	storageSvc *storages.Service
	log        *log.Entry `inject:"false"`
}

func (ctl *Controller) Prepare() error {
	ctl.log = log.WithField("module", "medias.Controller")
	return nil
}

// Upload
// @Router			/api/v1/medias/:tenant/upload [post]
// @Bind req body
// @Bind file file
// @Bind claim local
func (ctl *Controller) Upload(ctx fiber.Ctx, claim *jwt.Claims, file *multipart.FileHeader, req *UploadReq) (*storage.UploadedFile, error) {
	uploader, err := storage.NewUploader(req.FileName, req.ChunkNumber, req.TotalChunks, req.FileMD5)
	if err != nil {
		return nil, err
	}

	defaultStorage, err := ctl.storageSvc.GetDefault(ctx.Context())
	if err != nil {
		return nil, err
	}

	fs, err := ctl.storageSvc.BuildFS(defaultStorage)
	if err != nil {
		return nil, err
	}

	uploadedFile, err := uploader.Save(ctx, fs, file)
	if err != nil {
		return nil, err
	}

	if uploadedFile == nil {
		return uploadedFile, nil
	}

	// save to db
	userMediaID, err := ctl.svc.Create(ctx.Context(), *claim.TenantID, claim.UserID, &model.Medias{
		CreatedAt: time.Now(),
		StorageID: defaultStorage.ID,
		Hash:      uploadedFile.Hash,
		Name:      uploadedFile.Name,
		MimeType:  uploadedFile.MimeType,
		Size:      uploadedFile.Size,
		Path:      uploadedFile.Path,
	})
	uploadedFile.ID = userMediaID
	uploadedFile.Preview = ""

	return uploadedFile, err
}