package shared

import (
	"bytes"
	"io"
	"io/fs"
	"os"

	"github.com/goccy/go-json"
)

func LoadJSONFileFS(fsys fs.FS, fileName string, value interface{}) error {
	file, err := fs.ReadFile(fsys, fileName)
	if err != nil {
		return err
	}

	fileBuffer := bytes.NewReader(file)

	if err := json.NewDecoder(fileBuffer).Decode(&value); err != nil && err != io.EOF {
		return err
	}

	clear(file)

	return nil
}

func LoadJSONFile(fileName string, value interface{}) error {
	file, err := os.ReadFile(fileName)
	if err != nil {
		return err
	}

	fileBuffer := bytes.NewReader(file)

	if err := json.NewDecoder(fileBuffer).Decode(&value); err != nil && err != io.EOF {
		return err
	}

	clear(file)

	return nil
}