package cli

import (
	"fmt"
	"os"

	"path/filepath"

	"git.baxters.nz/jeremy/cli/getopt"
)

var undef = "(undefined)"
var program = undef
var version = undef
var progname = undef

func Init(prog, ver string) {
	program = prog
	version = ver
	progname = filepath.Base(os.Args[0])
}

func Usage(args string) {
	fmt.Fprintf(os.Stderr, "usage: %s %s", progname, args)
	os.Exit(1)
}

func Version() {
	fmt.Printf("%s version %s\n", program, version)
	os.Exit(0)
}

func Warn(format string, args ...any) {
	fmt.Fprintf(os.Stderr, "%s: %s\n",
		progname, fmt.Sprintf(format, args...))
}

func Die(format string, args ...any) {
	Warn(format, args...)
	os.Exit(1)
}

func Fail(err error) {
	Die("%s", err.Error())
}

func Bool(name string, value bool, usage string) *bool {
	return getopt.Bool(name, value, usage)
}

func Int(name string, value int, usage string) *int {
	return getopt.Int(name, value, usage)
}

func Uint(name string, value uint, usage string) *uint {
	return getopt.Uint(name, value, usage)
}

func String(name, value, usage string) *string {
	return getopt.String(name, value, usage)
}

func Parse() error {
	return getopt.Parse()
}