package embed

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

	"github.com/charmbracelet/log"
)

var (
	//go:embed cli/*
	CLI embed.FS

	//go:embed templates/*
	Templates embed.FS

	//go:embed public/*
	Public 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 {
			log.Info(err)
			return err
		}
		fullDstPath := filepath.Join(currentDir, path)

		if info.IsDir() {
			log.Info("Creating folder", "path", path)
			if err := os.MkdirAll(fullDstPath, 0755); err != nil {
				return err
			}
		} else {
			srcFile, err := data.Open(path)
			if err != nil {
				return err
			}
			defer srcFile.Close()

			dstFile, err := os.Create(fullDstPath)
			if err != nil {
				return err
			}
			defer dstFile.Close()

			log.Info("Copying file", "path", path)
			_, err = io.Copy(dstFile, srcFile)
			if err != nil {
				return err
			}
		}

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

	return nil
}