<?php

final class PhabricatorMacroAudioController extends PhabricatorMacroController {

  public function handleRequest(AphrontRequest $request) {
    $viewer = $request->getViewer();
    $id = $request->getURIData('id');

    $this->requireApplicationCapability(
      PhabricatorMacroManageCapability::CAPABILITY);

    $macro = id(new PhabricatorMacroQuery())
      ->setViewer($viewer)
      ->requireCapabilities(
        array(
          PhabricatorPolicyCapability::CAN_VIEW,
        ))
      ->withIDs(array($id))
      ->executeOne();

    if (!$macro) {
      return new Aphront404Response();
    }

    $errors = array();
    $view_uri = $this->getApplicationURI('/view/'.$macro->getID().'/');

    $e_file = null;
    $file = null;

    if ($request->isFormPost()) {
      $xactions = array();

      if ($request->getBool('behaviorForm')) {
        $xactions[] = id(new PhabricatorMacroTransaction())
          ->setTransactionType(
            PhabricatorMacroAudioBehaviorTransaction::TRANSACTIONTYPE)
          ->setNewValue($request->getStr('audioBehavior'));
      } else {
        $file = null;
        if ($request->getFileExists('file')) {
          $file = PhabricatorFile::newFromPHPUpload(
            $_FILES['file'],
            array(
              'name' => $request->getStr('name'),
              'authorPHID' => $viewer->getPHID(),
              'isExplicitUpload' => true,
            ));
        }

        if ($file) {
          if (!$file->isAudio()) {
            $errors[] = pht(
              'The file you uploaded is invalid: it is not recognizable as '.
              'a valid audio file.');
            $e_file = pht('Invalid');
          } else {
            $xactions[] = id(new PhabricatorMacroTransaction())
              ->setTransactionType(
                PhabricatorMacroAudioTransaction::TRANSACTIONTYPE)
              ->setNewValue($file->getPHID());
          }
        } else {
          $errors[] = pht(
            'To change the audio for a macro, you must upload an audio '.
            'file.');
          $e_file = pht('Required');
        }
      }

      if (!$errors) {
        id(new PhabricatorMacroEditor())
          ->setActor($viewer)
          ->setContinueOnNoEffect(true)
          ->setContentSourceFromRequest($request)
          ->applyTransactions($macro, $xactions);

        return id(new AphrontRedirectResponse())->setURI($view_uri);
      }
    }

    $form = id(new AphrontFormView())
      ->addHiddenInput('behaviorForm', 1)
      ->setUser($viewer);

    $options = id(new AphrontFormRadioButtonControl())
      ->setLabel(pht('Audio Behavior'))
      ->setName('audioBehavior')
      ->setValue(
        nonempty(
          $macro->getAudioBehavior(),
          PhabricatorFileImageMacro::AUDIO_BEHAVIOR_NONE));

    $options->addButton(
      PhabricatorFileImageMacro::AUDIO_BEHAVIOR_NONE,
      pht('Do Not Play'),
      pht('Do not play audio.'));

    $options->addButton(
      PhabricatorFileImageMacro::AUDIO_BEHAVIOR_ONCE,
      pht('Play Once'),
      pht('Play audio once, when the viewer looks at the macro.'));

    $options->addButton(
      PhabricatorFileImageMacro::AUDIO_BEHAVIOR_LOOP,
      pht('Play Continuously'),
      pht(
        'Play audio continuously, treating the macro as an audio source. '.
        'Best for ambient sounds.'));

    $form->appendChild($options);
    $form->appendChild(
        id(new AphrontFormSubmitControl())
          ->setValue(pht('Save Audio Behavior'))
          ->addCancelButton($view_uri));

    $crumbs = $this->buildApplicationCrumbs();

    $title = pht('Edit Audio: %s', $macro->getName());
    $crumb = pht('Edit Audio');

    $crumbs->addTextCrumb(pht('Macro "%s"', $macro->getName()), $view_uri);
    $crumbs->addTextCrumb($crumb, $request->getRequestURI());
    $crumbs->setBorder(true);

    $upload_form = id(new AphrontFormView())
      ->setEncType('multipart/form-data')
      ->setUser($viewer)
      ->appendChild(
        id(new AphrontFormFileControl())
          ->setLabel(pht('Audio File'))
          ->setName('file'))
      ->appendChild(
        id(new AphrontFormSubmitControl())
          ->setValue(pht('Upload File')));

    $upload = id(new PHUIObjectBoxView())
      ->setHeaderText(pht('Upload New Audio'))
      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
      ->setForm($upload_form);

    $form_box = id(new PHUIObjectBoxView())
      ->setHeaderText(pht('Behavior'))
      ->setFormErrors($errors)
      ->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
      ->setForm($form);

    $header = id(new PHUIHeaderView())
      ->setHeader($title)
      ->setHeaderIcon('fa-pencil');

    $view = id(new PHUITwoColumnView())
      ->setHeader($header)
      ->setFooter(array(
        $form_box,
        $upload,
      ));

    return $this->newPage()
      ->setTitle($title)
      ->setCrumbs($crumbs)
      ->appendChild($view);
  }

}
