var counter = require('component-counter.js');

var getLocalPackage = (packageInfo, skipCertCheck) => {
    var basePath = $$.file(packageInfo.basePath);
    var bin = $$.file(basePath, packageInfo.subPath, packageInfo.bin);
    if (!(bin.exists())) {
        var packageFn = packageInfo.package.substring(packageInfo.package.lastIndexOf('/') + 1);
        xprintln('[INFO] Package bin not exists, downloading...');
        var packageFile = $$.file(basePath, packageFn);
        packageFile.getAbsoluteFile().getParentFile().mkdirs();
        var fos = new java.io.FileOutputStream(packageFile);
        $$.httpRequest()
            .url(packageInfo.package)
            .addHeader('User-Agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36')
            .skipCertCheck(!! skipCertCheck)
            .get(fos, counter.getCounter2());
        fos.close();
        println();

        var sha256 = $$.rFile(packageFile).digest($$.digests().sha256()).asHex();
        if ($STR(sha256) == packageInfo.sha256) {
            xprintln('[SUCCESS] Check SHA256 success: ' + packageFn);
        } else {
            xprintln('[ERROR] Check SHA256 failed, actual is: ' + sha256 + ',expected: ' + packageInfo.sha256 + ': ' + packageFn);
            f.renameTo($$.file(basePath, packageFn + '.invalid.' + $$.date().millis()));
            return null;
        }

        var installBuilderScripts = [];
        installBuilderScripts.push('cd ' + packageInfo.basePath);
        if (/.*\.tar\.gz$/.test(packageInfo.package) || /.*\.tgz$/.test(packageInfo.package)) {
            installBuilderScripts.push('tar xzvf ' + packageFn);
        } else if (/.*\.zip$/.test(packageInfo.package)) {
            installBuilderScripts.push('unzip ' + packageFn);
        } else {
            xprintln('[ERROR] Extract package failed: ' + packageFn);
            return;
        }
        installBuilderScripts.push('');

        var builderIntall = $$.file('.builder_install.sh');
        $$.rFile(builderIntall).write(installBuilderScripts.join('\n'));
        $$.shell().inheritIO().commands('sh', builderIntall.getName()).run();
        builderIntall.delete();
    }
    return {
        'packageInfo': packageInfo,
        'packageHome': $STR($$.file(packageInfo.basePath, packageInfo.subPath).getAbsolutePath()),
        'binFile': bin
    };
};

if (typeof exports == 'object') {
    exports.getLocalPackage = getLocalPackage;
}