package ssh

import (
	"fmt"
	"strings"
)

// Fatal is a error output wrapper which aims to make SSH failures easier to
// parse through re-wording.
func Fatal(hostname string, err error) error {
	out := err.Error()

	if strings.Contains(out, "Host key verification failed.") {
		return fmt.Errorf("SSH host key verification failed for %s", hostname)
	} else if strings.Contains(out, "Could not resolve hostname") {
		return fmt.Errorf("could not resolve hostname for %s", hostname)
	} else if strings.Contains(out, "Connection timed out") {
		return fmt.Errorf("connection timed out for %s", hostname)
	} else if strings.Contains(out, "Permission denied") {
		return fmt.Errorf("ssh auth: permission denied for %s", hostname)
	} else if strings.Contains(out, "Network is unreachable") {
		return fmt.Errorf("unable to connect to %s, please check your SSH config", hostname)
	} else if strings.Contains(out, "Is the docker daemon running") {
		return fmt.Errorf("docker: is the daemon running / your user has docker permissions?")
	}

	return err
}