#! /usr/bin/env runjs

var FastJSON = Packages.com.alibaba.fastjson.JSON;

var main = () => {
    var javadocConfigFile = __.rfile.from('javadoc.json');
    if (javadocConfigFile.notExists()) {
        xprintln('[WARN] file `javadoc.json` not found!');
        println();
        println('Sample JSON:');

        println(FastJSON.toJSONString($$.parseJSON(JSON.stringify({
            "dest": "",
            "source": "",
            "subpackages": [
                "com.example.a",
                "com.example.b"
            ],
            "encoding": "utf-8",
            "charset": "utf-8"
        })), true).replaceAll('\t', '    '));
        return;
    }
    var javadocConfig = JSON.parse(javadocConfigFile.string());
    var cmds = [];
    cmds.push('javadoc');
    if (javadocConfig.dest) {
        cmds.push('-d');
        cmds.push(javadocConfig.dest);
    }
    if (javadocConfig.source) {
        cmds.push('-sourcepath');
        cmds.push(javadocConfig.source);
    }
    if (javadocConfig.subpackages) {
        cmds.push('-subpackages');
        cmds.push(javadocConfig.subpackages.join(':'));
    }
    cmds.push('-encoding');
    cmds.push(javadocConfig.encoding || 'utf-8');
    cmds.push('-charset');
    cmds.push(javadocConfig.charset || 'utf-8');

    xprintln('[INFO] Command: ' + cmds.join(' '));

    $$.shell(true).commands(cmds).run();
};

main();