#! /usr/bin/env runjs

var UnixArgsUtil = Packages.me.hatter.tools.commons.args.UnixArgsUtil;

var main = () => {
    UnixArgsUtil.parseGlobalArgs($ARGS);

    if (UnixArgsUtil.ARGS.flags().containsAny('h', 'help')) {
        println('Make password from secure random, usage:');
        println('  makepassword.js');
        println('    h|help            Help');
        println('    l|len|length      Password length in bytes (default 10)');
        println('    c|cnt|count       Password count (default 1)');
        println('    e|ecn|encode      Password encoding(base32, base58, base64, hex) (default base58)');
        return;
    }

    var len = UnixArgsUtil.ARGS.kvalueAny('l', 'len', 'length') || 10;
    var cnt = UnixArgsUtil.ARGS.kvalueAny('c', 'cnt', 'count') || 1;
    var enc = $STR(UnixArgsUtil.ARGS.kvalueAny('e', 'enc', 'encode') || 'base58').toLowerCase();

    var isNotSupportedEnc = false;
    var random = $$.secureRandom();
    (parseInt(cnt)).times(() => {
        var passwdBs = random.nextBytes(len);
        if (['32', 'b32', 'base32'].contains(enc)) {
            println($$.io().bytes(passwdBs).asBase32());
        } else if (['58', 'b58', 'base58'].contains(enc)) {
            println($$.io().bytes(passwdBs).asBase58());
        } else if (['64', 'b64', 'base64'].contains(enc)) {
            println($$.io().bytes(passwdBs).asBase64());
        } else if (['hex'].contains(enc)) {
            println($$.io().bytes(passwdBs).asHex());
        } else {
            isNotSupportedEnc = true;
        }
    });
    if (isNotSupportedEnc) {
        println('Not supported encode: ' + enc);
    }
};

main();