package main

import (
	"errors"
	"log"

	"github.com/davecgh/go-spew/spew"
	"github.com/jessevdk/go-flags"
	`r00t2.io/vault_totp/internal`
)

func main() {
	var err error
	var parser *flags.Parser = flags.NewParser(args, flags.Default)

	parser.NamespaceDelimiter = "-"
	parser.EnvNamespaceDelimiter = "_"

	if _, err = parser.Parse(); err != nil {
		switch {
		case errors.As(err, &flagsErr):
			switch {
			case errors.Is(flagsErr.Type, flags.ErrHelp), errors.Is(flagsErr.Type, flags.ErrCommandRequired), errors.Is(flagsErr.Type, flags.ErrRequired): // These print their relevant messages by themselves.
				return
			default:
				log.Panicln(err)
			}
		default:
			log.Panicln(err)
		}
	}

	defer internal.Logger.Shutdown()

	logger.Debug("Initialized with args:\n%v", spew.Sdump(args))

	logger.Debug("main: Configuring.")
	if err = configure(); err != nil {
		logger.Err("main: Received error while configuring: %v", err)
		log.Panicln(err)
	}

	logger.Debug("main: Fetching entity.")
	if err = getEnt(); err != nil {
		logger.Err("main: Received error while fetching entity: %v", err)
		log.Panicln(err)
	}
	if args.Gen.LookupOnly {
		if err = printEntity(); err != nil {
			logger.Err("main: Received error while rendering entity out: %v", err)
			log.Panicln(err)
		}
		logger.Debug("main: Done.")
		return
	}

	logger.Debug("main: Generating TOTP seed/secret.")
	if err = genTotp(); err != nil {
		logger.Err("main: Received error while generating TOTP secret: %v", err)
		log.Panicln(err)
	}

	logger.Debug("main: Done.")
}