package packages

import (
	"bytes"
	"fmt"
	"io"
	"os"
	"path/filepath"
)

type Package struct {
	Name         string
	Dependencies []Dependency
}

type Dependency struct {
	Name    string
	Version string
}

func LookupPackageFile(name string) (io.Reader, error) {
	path := filepath.Join("./packages", name+".lua")

	f, err := os.Open(path)
	if err != nil {
		return nil, fmt.Errorf("opening package file: %w", err)
	}
	defer f.Close()

	buf := new(bytes.Buffer)

	_, err = io.Copy(buf, f)
	if err != nil {
		return nil, fmt.Errorf("reading package file: %w", err)
	}

	return buf, nil
}