package runner

import (
	"os"
	"os/exec"

	"gosh/internal/builtins"
	"gosh/internal/command"
)

func cmd(def command.Definition) *exec.Cmd {
	cmd := exec.Command(def.Name(), def.Arguments()...)
	cmd.Stdin = os.Stdin
	cmd.Stderr = os.Stderr
	cmd.Stdout = os.Stdout
	return cmd
}

// Exec runs the provided command definition immediately. It is a thin wrapper
// around Resolve for convenience and backward compatibility.
func Exec(def command.Definition) error {
	if builtin, found := builtins.Lookup(def.Name()); found {
		return builtin(def.Arguments())
	}
	return cmd(def).Run()
}