#!/usr/bin/env bash

imp="import pwgenerator as g;"

function _help() {
	echo "Usage: pwgen [length] [mode]"
	echo ""
	echo "Available modes:"
	printf "  %-15s\t%s\n" \
	    "numbers" "Generates password containing only numbers" \
	    "lower" "Generates password containing only lower letters" \
	    "upper" "Generates password containing only upper letters" \
	    "letters" "Generates password containing only letters" \
	    "letters-numbers" "Generates password containing only letters and ners" \
		"full" "Generates password containing letters, numbers and symbols" \ 
}

case "$#" in
	0)
		_help
		;;
	1)
		python -c "${imp} g.genFull($1)"
		;;
	2)
		case "$2" in
			numbers)
				python -c "${imp} g.genNum($1)"
				;;
			lower)
				python -c "${imp} g.genLetLow($1)"
				;;
			upper)
				python -c "${imp} g.genLetUp($1)"
				;;
			letters)
				python -c "${imp} g.genLet($1)"
				;;
			letters-numbers)
				python -c "${imp} g.genLetNum($1)"
				;;
			full)
				python -c "${imp} g.genFull($1)"
				;;
			*)
				_help
				;;
		esac
		;;
	*)
		_help
		;;
esac