package fileutils

import (
	"mime/multipart"
	"path/filepath"
	"strconv"

	"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
	"git.artlef.fr/PersonalLibraryManager/internal/model"
)

func SaveStaticFile(ac *appcontext.AppContext, file *multipart.FileHeader) (model.StaticFile, error) {
	filename := file.Filename
	filepath := computePathFromName(ac, filename)
	err := ac.C.SaveUploadedFile(file, ac.Config.ImageFolderPath+"/"+filepath)
	if err != nil {
		return model.StaticFile{}, err
	}
	staticFile := model.StaticFile{
		Name: filename,
		Path: filepath,
	}
	ac.Db.Save(&staticFile)
	return staticFile, nil
}

func computePathFromName(ac *appcontext.AppContext, filename string) string {
	var existingFiles []model.StaticFile
	ac.Db.Where("name = ?", filename).Find(&existingFiles)
	l := len(existingFiles)
	if l == 0 {
		return filename
	} else {
		extension := filepath.Ext(filename)
		basename := filename[:len(filename)-len(extension)]
		return basename + "-" + strconv.Itoa(l) + extension
	}
}

func GetWsLinkPrefix() string {
	return "/bookcover/"
}