package helpers

import (
	"os"
	"path/filepath"
	"strings"

	"github.com/juju/errors"
)

// IsGoProject check if we are in a golang project (have go.mod).
func IsGoProject(path string) (bool, error) {
	exist, err := FileExists(filepath.Join(path, "go.mod"))
	if err != nil {
		return false, errors.Trace(err)
	}

	if exist {
		return true, nil
	}

	exist, err = FileExists(filepath.Join(path, "go.sum"))
	if err != nil {
		return false, errors.Trace(err)
	}

	if exist {
		return true, nil
	}

	return false, nil
}

// IsInGoPath check if the given path is in the gopath directory.
func IsInGoPath(path string) bool {

	gopath := os.Getenv("GOPATH")
	if gopath == "" {
		return false
	}

	// clean path
	gopath = filepath.Clean(gopath)

	return strings.HasPrefix(path, gopath)
}