package main

import (
	"flag"
	"fmt"
	"os"

	"go.jolheiser.com/emdbed"
)

func main() {
	fs := flag.NewFlagSet("emdbed", flag.ExitOnError)
	writeFlag := fs.Bool("write", false, "Write output")
	writeShortFlag := fs.Bool("w", false, "Write output")
	if err := fs.Parse(os.Args[1:]); err != nil {
		fmt.Println(err)
		return
	}
	if len(os.Args) < 2 {
		fmt.Println("emdbed requires a file argument")
		return
	}

	convert, err := emdbed.ConvertFile(fs.Arg(0))
	if err != nil {
		fmt.Println(err)
		return
	}

	write := *writeFlag || *writeShortFlag
	if !write {
		fmt.Println(convert)
		return
	}

	if err := os.WriteFile(fs.Arg(0), []byte(convert), os.ModePerm); err != nil {
		fmt.Println(err)
	}
}