#! /usr/bin/env runjs

var argsEx = require('component-args.js');
var json = require('component-json-ex.js');
var gpg = require('component-gpg-ex.js');
var DefaultRollCounter = Packages.me.hatter.tools.commons.io.DefaultRollCounter;

// need pom?
var REPO_BASEURLS = {
    'central': {
        'jar': 'https://search.maven.org/remotecontent?filepath={gid}/{aid}/{ver}/{aid}-{ver}.jar',
        'src': 'https://search.maven.org/remotecontent?filepath={gid}/{aid}/{ver}/{aid}-{ver}-sources.jar',
        'pom': 'https://search.maven.org/remotecontent?filepath={gid}/{aid}/{ver}/{aid}-{ver}.pom'
    },
    'aliyun_central': {
        'jar': 'https://maven.aliyun.com/repository/central/{gid}/{aid}/{ver}/{aid}-{ver}.jar',
        'src': 'https://maven.aliyun.com/repository/central/{gid}/{aid}/{ver}/{aid}-{ver}-sources.jar',
        'pom': 'https://maven.aliyun.com/repository/central/{gid}/{aid}/{ver}/{aid}-{ver}.pom'
    }
};

var gpgEncryptedAuthToken = {/**LINES
-----BEGIN PGP MESSAGE-----
Comment: GPGTools - https://gpgtools.org

hQEMAwpgonLPA1NTAQf+MowR8XeAd6jtJhHE6s8FwmXyYEI1R8J3kEo+XBnUWXph
dVQYHUAj+lWl9Pd8YpJmImT+Qf9mseZSi0wbkUi6N1UJogwtx4sAu9szvLcEhYa2
68Oyl+AY8jdn608OKqXRwG8z4HVrzdFgyEBuyJ/GafDH+bXcLYNtROcb63FlMlhJ
zLymaJD85W3uKlmYqJ0/OHLxn+fruRvZz0ZxlN1w3lj8t0wqLk+cOcTVMZkpdiYD
BGj8fkS/OTQBBNACmsCJDoUdBEMSRpjU3z55Zn5EGK0R3uTkZfuo+pJjGaZEtz8m
kuM0Yxyvq38fzPC9zrGQKsyXBOH3B8/x7GqcNDEVRtJnAWDu4syv3FkiGAzyHiKZ
nEupU97rz+XL5fKU89i6+ttAAC+xIMkASAde/Z5CdOdGjwfjx3u7U+c8XmaAcQtE
ibIucc2d0dsCkynzket0EfqExEXj4NUqxmwIS118vKMZAwap3FnaxQ==
=fjt8
-----END PGP MESSAGE-----
*/};
    
var SITE_PROXY_MAP = {
    "hatterink": "https://hatter.ink/pget.action?__auth_token={auth_token}&target={target}"
};

var __cachec_authToken = null;

var getRealUrl = (args, url) => {
    var readlUrl = url;
    var proxy = args.val('p', 'proxy');
    if (proxy != null) {
        var proxyUrl = SITE_PROXY_MAP[proxy];
        if (proxyUrl == null) {
            xprintln('[WARN] Unknown proxy: ' + proxy);
        } else {
            xprintln('[INFO] Using proxy: ' + proxy);
            if (__cachec_authToken == null) {
                __cachec_authToken = gpg.decryptArmor(gpgEncryptedAuthToken);
            }
            readlUrl = proxyUrl.replace('{auth_token}', __cachec_authToken).replace('{target}', encodeURIComponent(url));
        }
    }
    return readlUrl;
};

var main = () => {
    var args = argsEx.parseDefARGs(['use-wget']);
    if (args == null || (args.length != 1 && args.length != 3)) {
        println('Usage:');
        println('mvnjar.js [--use-wget] [-r, --repo] [-p, --proxy] gid aid ver');
        println('mvnjar.js [--use-wget] [-r, --repo] [-p, --proxy] gid:aid:ver');
        println(' -r, --repo <REPO>        x(central), central, aliyun_central')
        println(' -p, --proxy <SITE>       Site, hatterink')
        return;
    }
    var repo = args.val('r', 'repo')
    if (repo == null || repo == 'x') { repo = 'central'; }

    var gid, aid, ver;
    if (args.length == 1) {
        var splitedArgs1 = $STR(args[0]).split(':');
        if (splitedArgs1.length != 3) {
            xprintln('[ERROR] Format error: ' + args[0]);
            return;
        }
        gid = splitedArgs1[0];
        aid = splitedArgs1[1];
        ver = splitedArgs1[2];
    } else {
        gid = args[0];
        aid = args[1];
        ver = args[2];
    }

    var baseUrls = REPO_BASEURLS[repo];
    if (baseUrls == null) {
        xprintln('[ERROR] Repo not defined: ' + repo);
        return;
    }
    var urlJar = baseUrls.jar;
    var urlSrc = baseUrls.src;
    var urlPom = baseUrls.pom;

    var uj = urlJar.replace(/{gid}/g, gid.replace(/\./g, '/')).replace(/{aid}/g, aid).replace(/{ver}/g, ver);
    println('JAR: ' + uj);
    if (args.flg('use-wget')) {
        $$.shell().commands('wget', uj, '-O', aid + '-' + ver + '.jar').run();
    } else {
        __.httprequest.fromUrl(getRealUrl(args, uj)).get(__.rfile.from(aid + '-' + ver + '.jar').file(), new DefaultRollCounter().prefix('Downloading ... '));
    }

    var hasSrc = true;
    var us = urlSrc.replace(/{gid}/g, gid.replace(/\./g, '/')).replace(/{aid}/g, aid).replace(/{ver}/g, ver);
    println('SRC: ' + us);
    try {
        if (args.flg('use-wget')) {
            $$.shell().commands('wget', us, '-O', aid + '-' + ver + '-sources.jar').run();
        } else {
            __.httprequest.fromUrl(getRealUrl(args, us)).get(__.rfile.from(aid + '-' + ver + '-sources.jar').file(), new DefaultRollCounter().prefix('Downloading ... '));
        }
    } catch(e) {
        hasSrc = false;
        println('[WARN] download src failed.')
    }
    if (urlPom) {
        var up = urlPom.replace(/{gid}/g, gid.replace(/\./g, '/')).replace(/{aid}/g, aid).replace(/{ver}/g, ver);
        println('POM: ' + up);
        if (args.flg('use-wget')) {
            $$.shell().commands('wget', up, '-O', aid + '-' + ver + '-.pom').run();
        } else {
            __.httprequest.fromUrl(getRealUrl(args, up)).get(__.rfile.from(aid + '-' + ver + '.pom').file(), new DefaultRollCounter().prefix('Downloading ... '));
        }

    }
    
    var b = {
        repo: {
            gid: gid,
            aid: aid,
            jar: aid + '-' + ver + '.jar',
            pom: aid + '-' + ver + '.pom',
            staticVersion: ver
        }
    };
    if (hasSrc) {
        b.repo.src = aid + '-' + ver + '-sources.jar';
    }
    var j = json.prettyJSON(b);
    println(j);
    __.rfile.from('build.json').write(j);
    println('done')
};

main();