<?php

final class PhabricatorMailManagementSendTestWorkflow
  extends PhabricatorMailManagementWorkflow {

  protected function didConstruct() {
    $this
      ->setName('send-test')
      ->setSynopsis(
        pht(
          'Simulate sending mail. This may be useful to test your mail '.
          'configuration, or while developing new mail adapters.'))
      ->setExamples(
        "**send-test** --to alincoln --subject hi < body.txt")
      ->setArguments(
        array(
          array(
            'name'    => 'from',
            'param'   => 'user',
            'help'    => 'Send mail from the specified user.',
          ),
          array(
            'name'    => 'to',
            'param'   => 'user',
            'help'    => 'Send mail "To:" the specified users.',
            'repeat'  => true,
          ),
          array(
            'name'    => 'cc',
            'param'   => 'user',
            'help'    => 'Send mail which "Cc:"s the specified users.',
            'repeat'  => true,
          ),
          array(
            'name'    => 'subject',
            'param'   => 'text',
            'help'    => 'Use the provided subject.',
          ),
          array(
            'name'    => 'tag',
            'param'   => 'text',
            'help'    => 'Add the given mail tags.',
            'repeat'  => true,
          ),
          array(
            'name'    => 'attach',
            'param'   => 'file',
            'help'    => 'Attach a file.',
            'repeat'  => true,
          ),
          array(
            'name'    => 'html',
            'help'    => 'Send as HTML mail.',
          ),
          array(
            'name'    => 'bulk',
            'help'    => 'Send with bulk headers.',
          ),
        ));
  }

  public function execute(PhutilArgumentParser $args) {
    $console = PhutilConsole::getConsole();
    $viewer = $this->getViewer();

    $from = $args->getArg('from');
    if ($from) {
      $user = id(new PhabricatorPeopleQuery())
        ->setViewer($viewer)
        ->withUsernames(array($from))
        ->executeOne();
      if (!$user) {
        throw new PhutilArgumentUsageException(
          pht("No such user '%s' exists.", $from));
      }
      $from = $user;
    }

    $tos = $args->getArg('to');
    $ccs = $args->getArg('cc');

    $names = array_merge($tos, $ccs);
    $users = id(new PhabricatorPeopleQuery())
      ->setViewer($viewer)
      ->withUsernames($names)
      ->execute();
    $users = mpull($users, null, 'getUsername');

    foreach ($tos as $key => $username) {
      if (empty($users[$username])) {
        throw new PhutilArgumentUsageException(
          pht("No such user '%s' exists.", $username));
      }
      $tos[$key] = $users[$username]->getPHID();
    }

    foreach ($ccs as $key => $username) {
      if (empty($users[$username])) {
        throw new PhutilArgumentUsageException(
          pht("No such user '%s' exists.", $username));
      }
      $ccs[$key] = $users[$username]->getPHID();
    }

    $subject = $args->getArg('subject');
    $tags = $args->getArg('tag');
    $attach = $args->getArg('attach');
    $is_html = $args->getArg('html');
    $is_bulk = $args->getArg('bulk');

    $console->writeErr("%s\n", pht('Reading message body from stdin...'));
    $body = file_get_contents('php://stdin');


    $mail = id(new PhabricatorMetaMTAMail())
      ->addTos($tos)
      ->addCCs($ccs)
      ->setSubject($subject)
      ->setBody($body)
      ->setOverrideNoSelfMailPreference(true)
      ->setIsHTML($is_html)
      ->setIsBulk($is_bulk)
      ->setMailTags($tags);

    if ($from) {
      $mail->setFrom($from->getPHID());
    }

    $mail->save();
    $mail->sendNow();

    $console->writeErr(
      "%s\n\n    phabricator/ $ ./bin/mail show-outbound --id %d\n\n",
      pht("Mail sent! You can view details by running this command:"),
      $mail->getID());
  }

}