package file

import (
	"encoding/json"
	"os"
	"path/filepath"

	"git.andreafazzi.eu/andrea/probo/models"
	"git.andreafazzi.eu/andrea/probo/store"
)

type CollectionFileStore = FileStore[*models.Collection, *store.Store[*models.Collection]]

var DefaultCollectionDir = filepath.Join(BaseDir, CollectionsDir)

func NewCollectionFileStore(config *FileStoreConfig[*models.Collection, *store.CollectionStore]) (*CollectionFileStore, error) {
	return NewFileStore[*models.Collection](config, store.NewStore[*models.Collection]())
}

func DefaultUnmarshalCollectionFunc(s *store.Store[*models.Collection], filepath string, content []byte) (*models.Collection, error) {
	collection := new(models.Collection)
	err := json.Unmarshal(content, &collection)
	if err != nil {
		return nil, err
	}

	c, err := s.Create(collection)
	if err != nil {
		return nil, err
	}

	return c, nil
}

func DefaultMarshalCollectionFunc(s *store.Store[*models.Collection], filePath string, collection *models.Collection) error {
	jsonData, err := json.Marshal(collection)
	if err != nil {
		return err
	}

	file, err := os.Create(filePath)
	if err != nil {
		return err
	}

	defer file.Close()

	_, err = file.Write(jsonData)
	if err != nil {
		return err
	}

	return nil
}