#! /usr/bin/env runjs

var Thread = java.lang.Thread;
var Runtime = java.lang.Runtime;

var argsjs = require('component-args.js');
var jsonjs = require('component-json-ex.js');

var printHelp = () => {
    println('async.js [options] <id>');
    println();
    println('-h, --help           Print help');
    println('-i, --interval       Time every refresh, default 1 (s)');
    println('-t, --token          Token, default read from ~/.jssp/config/asyncjs.token');
    return;
};

var main = () => {
    var args = argsjs.parseDefARGs(['h', 'help']);
    if (args.flg('h', 'help')) {
        printHelp();
        return;
    }
    if (args.length < 1) {
        xprintln('[ERROR] Target id and filename is not assigned.');
        printHelp();
        return;
    }
    var id = args[0];

    var interval = args.val('i', 'interfal') || 1;
    var token = args.val('t', 'token');
    if (token == null) {
        var tokenFile = $$.file('~/.jssp/config/asyncjs.token');
        if (tokenFile.exists()) { token = $$.rFile(tokenFile).string().trim(); }
    }
    if (token == null) {
        xprintln('[ERROR] Token is not assigned!');
        return;
    }

    var getResultStr = $$.httpRequest().url('https://playsecurity.org/editItem.jsonp').post($$.keyValues()
        .kv('token', token)
        .kv('id', id)
        .kv('act', 'GET')
        .join()).toString();
    var getResultJSON = JSON.parse(getResultStr);

    if (getResultJSON.status != 200) {
        xprintln('[ERROR] Get item failed: ' + getResultStr);
        return;
    }

    var fn = getResultJSON.data.fileName;
    var body = getResultJSON.data.body;

    var localFile = $$.file(id + '_' + fn);
    if (localFile.exists()) {
        xprintln('[ERROR] File exists: ' + localFile);
        return;
    }

    $$.rFile(localFile).write(body);
    xprintln('[OK] Write file success: ' + localFile);

    Runtime.getRuntime().addShutdownHook(new Thread(() => {
        xprintln('[INFO] Watch ended: ' + localFile);
    }));

    var localFileLastModifiled = localFile.lastModified();
    xprintln('[INFO] Last modified: ' + localFileLastModifiled);
    xprintln('[INFO] Watching thread is running...');

    while (true) {
        $$.sleep(500);
        var modified = localFile.lastModified();
        if (modified > localFileLastModifiled) {
            var now = $$.date().millis();
            if ((now - modified) < 100) { $$.sleep(100); }

            var secs = '' + $$.num(modified).sub(localFileLastModifiled).divr(1000, 0, null);
            xprintln('[INFO] File last modified updated: '
                + localFileLastModifiled + ' -> ' + modified
                + ', diff: '
                + repeat(' ', (6 - secs.length)) + secs + ' s');

            var putResultStr = $$.httpRequest().url('https://playsecurity.org/editItem.jsonp').post($$.keyValues()
                .kv('token', token)
                .kv('id', id)
                .kv('act', 'PUT')
                .kv('body', $$.rFile(localFile).string())
                .join()).toString();
            var putResultJSON = JSON.parse(putResultStr);

            if (getResultJSON.status != 200) {
                xprintln('[ERROR] Put item failed: ' + getResultStr); // STOP ?
            } else {
                xprintln('[OK] Put item successed!')
            }
            localFileLastModifiled = modified;
        }
    }
};

main();