#!/usr/bin/env runjs

var consolejs = require('component-console.js');
var filesystemjs = require('component-filesystem.js');

var RUNJS_HEAD_LINE = '#!/usr/bin/env runjs';
var RUNJS_COMPONENT_CONFIG_URL = 'https://hatter.ink/script/get_scripts.json?type=runjs-component';

var main = () => {
    var runjsFn = $$.file(consolejs.readLineEx('Input your runjs filename: '));
    if (runjsFn.exists()) {
        xprintln('[ERROR] File exists: ' + runjsFn);
        return;
    }
    var componentsJSON = JSON.parse($$.httpRequest().skipCertCheck().url(RUNJS_COMPONENT_CONFIG_URL).get().string());
    var components = [];
    componentsJSON.scripts.forEach((c, i) => {
        if (!(['component-colorprint.js', 'component-diffutil.js', 'component-dingtalkrobot.js',
            'component-filechooser.js', 'component-gpg.js', 'component-helloworld.js',
            'component-helloworld2.js', 'component-httpserver.js', 'component-json.js',
            'component-shannonentropy.js', 'component-sqlitedataaccess.js', 'component-swing.js'].contains(c))) {
            components.push(c); // old js components
        }
    });

    xprintln('[INFO] Components: ');
    components.forEach((c, i) => {
        var ln = repeat(' ', (3 - $STR(i).length)) + i + ': ' + c;
        print(ln + repeat(' ', 60 - ln.length));
        if (((i + 1) % 2) == 0) { println(); }
    });
    if (components.length % 2 != 0) { println(); }

    var selectedComponents = consolejs.readLine('Select components(split with \',\'): ');

    var componentIds = [];
    $ARR(selectedComponents.split(',')).forEach((cid) => {
        cid = cid.trim();
        if (cid == '') { return; }
        componentIds.push(parseInt(cid));
    });

    var isComponent = runjsFn.getName().startsWith('component-');
    var selectedComponentNames = [];
    var buf = [];
    if (!isComponent) { buf.push(RUNJS_HEAD_LINE); }
    buf.push('');
    componentIds.forEach((cid) => {
        var c = components[cid];
        if (c == null) {
            xprintln('[WARN] Component not found: ' + cid);
        } else {
            selectedComponentNames.push(c);
            var n = c.substring('component-'.length).replace('-ex', '').replace('.js', '') + 'js';
            buf.push('var ' + n + ' = require(\'' + c + '\');');
        }
    });
    buf.push('');
    if (isComponent) {
        buf.push('var sample = () => {');
        buf.push('  // TODO');
        buf.push('}');
        buf.push('');
        buf.push('if (typeof exports == \'object\') {');
        buf.push('  exports.sample = sample;');
        buf.push('}');
        buf.push('');
    } else {
        buf.push('var main = () => {');
        if (selectedComponentNames.contains('component-args.js')) {
            buf.push('  var args = argsjs.parseDefARGs([]);');
        }
        buf.push('  xprintln(\'[OK] Hello World!\'); // TODO');
        buf.push('}');
        buf.push('');
        buf.push('main();');
        buf.push('');
    }
    $$.rFile(runjsFn).write(buf.join('\n'));
    if (!isComponent) { filesystemjs.chmodAddExec(runjsFn); }

    xprintln('[SUCCESS] Create file success: ' + runjsFn);
};

main();