package main

import (
	"fmt"
	"os"

	"git.cheetah.cat/archivinator-ng/workerclient/commands"
	"git.cheetah.cat/archivinator-ng/workerclient/common"
	"git.cheetah.cat/archivinator-ng/workerclient/settings"
	"github.com/jessevdk/go-flags"
)

func main() {
	var err error

	common.WorkerSettings, err = settings.LoadSettings()
	if err != nil {
		panic("config corrupt")
	}

	parser := flags.NewParser(&commands.ArchivinatorNG, flags.HelpFlag|flags.PassDoubleDash)
	parser.NamespaceDelimiter = "-"

	helpParser := flags.NewParser(&commands.ArchivinatorNG, flags.HelpFlag)
	helpParser.NamespaceDelimiter = "-"

	_, err = parser.Parse()
	handleError(helpParser, err)
}

func handleError(helpParser *flags.Parser, err error) {
	if err != nil {
		if err == commands.ErrShowHelpMessage {
			showHelp(helpParser)
		} else if flagsErr, ok := err.(*flags.Error); ok && flagsErr.Type == flags.ErrCommandRequired {
			showHelp(helpParser)
		} else if flagsErr, ok := err.(*flags.Error); ok && flagsErr.Type == flags.ErrHelp {
			fmt.Println(err)
			os.Exit(0)
		} else {
			fmt.Printf("error: %s\n", err)
		}

		os.Exit(1)
	}
}

func showHelp(helpParser *flags.Parser) {
	helpParser.ParseArgs([]string{"-h"})
	helpParser.WriteHelp(os.Stdout)
	os.Exit(0)
}