package runner

import (
	"fmt"
	"os/exec"
)

// Runner takes a command with a set of arguments and runs them,
// returning an error.
type Runner interface {
	// Run runs the given command with arguments, returning an error.
	Run(cmdPath string, args ...string) error
}

type cmdRunner struct{}

// NewCommandRunner returns a runner which runs commands inside
// the container using os/exec.
func NewCommandRunner() Runner {
	return &cmdRunner{}
}

func (*cmdRunner) Run(cmdPath string, args ...string) error {
	cmd := exec.Command(cmdPath, args...)

	output, err := cmd.CombinedOutput()
	if err != nil {
		return fmt.Errorf("%s: %w", output, err)
	}

	return nil
}