package embed

import (
	"embed"
	"io"
	"io/fs"
	"os"
	"path/filepath"
)

var (
	//go:embed templates/*
	Templates embed.FS
	Assets    embed.FS
	//go:embed data/*
	Data embed.FS
)

func CopyToWorkingDirectory(data embed.FS) error {
	currentDir, err := os.Getwd()
	if err != nil {
		return err
	}

	if err := fs.WalkDir(data, ".", func(path string, info fs.DirEntry, err error) error {
		if err != nil {
			return err
		}

		fullPath := path

		if info.IsDir() {
			dirPath := filepath.Join(currentDir, path)
			if err := os.MkdirAll(dirPath, 0755); err != nil {
				return err
			}
		} else {
			srcFile, err := data.Open(fullPath)
			if err != nil {
				return err
			}

			dstFile, err := os.Create(filepath.Join(currentDir, path))
			if err != nil {
				return err
			}
			defer dstFile.Close()

			_, err = io.Copy(dstFile, srcFile)
			if err != nil {
				return err
			}
		}

		return nil
	}); err != nil {
		return err
	}

	return nil
}