1984tech/cli/mtstaticdnsgen

<?php

include ('api.1984tech.php');
$tech = new OrwellWorld();

//need at least 1 command line argument
if ($argc >= 2) {
    $allowedOptions = array(
        '--preview' => 'preview Mikrotik static DNS records CLI output to stdout',
        '--generate' => 'generate Mikrotik static DNS records CLI output to a file',
        '--splitchunks' => 'split domains list to file chunks with size under 4096 Kb for processing with internal Mikrotik script',
        '--help' => 'show small help'
    );

    $option = $argv[1];
    if (isset($allowedOptions[$option])) {

        switch ($option) {
            case '--preview':
                print($tech->getMTStaticDNSScript());
                break;

            case '--generate':
                $generationResult = $tech->saveMTStaticDNSScript();
                if (!empty($generationResult)) {
                    print('Mikrotik update script file ' . $generationResult . ' saved' . PHP_EOL);
                } else {
                    print('Mikrotik script generation skipped because MT_DNSSTATIC_SCRIPT_PATH option empty' . PHP_EOL);
                }
                break;

            case '--splitchunks':
                $chunksCount = $tech->splitDNsListToChunksForMT();
                if (!empty($chunksCount)) {
                    print('Mikrotik chunk files created count: ' . $chunksCount . '.' . PHP_EOL
                          . 'Look for created "mt_dnsstatic_chunk_.1984t" files in "/tmp" (default path)' . PHP_EOL);
                } else {
                    print('Mikrotik chunk files generation failed: either the domains list is empty or some unknown error occurred' . PHP_EOL);
                }
                break;

            case '--help':
                print('Usage: php cli/mtstaticdnsgen --option' . PHP_EOL);
                print('Available options:' . PHP_EOL);
                if (!empty($allowedOptions)) {
                    foreach ($allowedOptions as $optionName => $optionDesc) {
                        print($optionName . ' - ' . $optionDesc . PHP_EOL);
                    }
                }
                break;
        }
    } else {
        print('Unknown command line option: ' . $option . PHP_EOL);
    }
} else {
    //option requirement notification
    print('At least one option required.' . PHP_EOL);
    print('Usage: php cli/mtstaticdnsgen --option' . PHP_EOL);
    print('For example: php cli/mtstaticdnsgen --help' . PHP_EOL);
}
?>