<?php

$oauth = new Dropbox_OAuth_PHP('XXXXXXXXXXXXXXX', 'XXXXXXXXXXXXXXX');

$cache = __DIR__.'/dropbox.cache';

$checkOAuth = function ($oauth) {
    $dropbox = new \Dropbox_API($oauth);
    $result  = $dropbox->getAccountInfo();

    return isset($result['uid']);
};

$createTokens = true;

if (file_exists($cache)) {
    $tokens = unserialize(file_get_contents($cache));
    $oauth->setToken($tokens);

    if ($checkOAuth($oauth)) {
        $createTokens = false;
    } else {
        fwrite(STDOUT, 'Need to recreate tokens.'.PHP_EOL);
    }
}

if ($createTokens) {
    $tokens = $oauth->getRequestToken();

    fwrite(STDOUT, 'Visit the following URL and accept the application:'.PHP_EOL);
    fwrite(STDOUT, $oauth->getAuthorizeUrl().PHP_EOL);
    fwrite(STDOUT, 'Once you\'re done, press a key.'.PHP_EOL);

    fwrite(STDOUT, 'Visit the following url in a browser, login if necessary, and click "Allow":'.PHP_EOL);
    fwrite(STDOUT, $oauth->getAuthorizeUrl().PHP_EOL.PHP_EOL);
    fwrite(STDOUT, 'Press enter when this is done...');
    fgets(STDIN);

    $tokens = $oauth->getAccessToken();
    $oauth->setToken($tokens);

    if ($checkOAuth($oauth)) {
        file_put_contents($cache, serialize($tokens));
        fwrite(STDOUT, 'OAuth token ready!'.PHP_EOL);
    } else {
        fwrite(STDOUT, 'Error with token.'.PHP_EOL);
    }

    file_put_contents($cache, serialize($tokens));
}

$dropbox = new Dropbox_API($oauth, Dropbox_API::ROOT_SANDBOX);

$directory = $dropbox->getMetaData('/');
foreach ($directory['contents'] as $file) {
    $dropbox->delete($file['path']);
}

return new Gaufrette\Adapter\Dropbox($dropbox);