<?php

/*
 * Copyright 2012 Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

final class PhabricatorProjectProfileEditController
  extends PhabricatorProjectController {

  private $id;

  public function willProcessRequest(array $data) {
    $this->id = $data['id'];
  }

  public function processRequest() {

    $request = $this->getRequest();
    $user = $request->getUser();

    $project = id(new PhabricatorProjectQuery())
      ->setViewer($user)
      ->withIDs(array($this->id))
      ->requireCapabilities(
        array(
          PhabricatorPolicyCapability::CAN_VIEW,
          PhabricatorPolicyCapability::CAN_EDIT,
        ))
      ->executeOne();
    if (!$project) {
      return new Aphront404Response();
    }

    $profile = $project->loadProfile();
    if (empty($profile)) {
      $profile = new PhabricatorProjectProfile();
    }

    $img_src = $profile->loadProfileImageURI();

    $options = PhabricatorProjectStatus::getStatusMap();

    $supported_formats = PhabricatorFile::getTransformableImageFormats();

    $e_name = true;
    $e_image = null;

    $errors = array();
    if ($request->isFormPost()) {
      try {
        $xactions = array();
        $xaction = new PhabricatorProjectTransaction();
        $xaction->setTransactionType(
          PhabricatorProjectTransactionType::TYPE_NAME);
        $xaction->setNewValue($request->getStr('name'));
        $xactions[] = $xaction;

        $xaction = new PhabricatorProjectTransaction();
        $xaction->setTransactionType(
          PhabricatorProjectTransactionType::TYPE_STATUS);
        $xaction->setNewValue($request->getStr('status'));
        $xactions[] = $xaction;

        $xaction = new PhabricatorProjectTransaction();
        $xaction->setTransactionType(
          PhabricatorProjectTransactionType::TYPE_CAN_VIEW);
        $xaction->setNewValue($request->getStr('can_view'));
        $xactions[] = $xaction;

        $xaction = new PhabricatorProjectTransaction();
        $xaction->setTransactionType(
          PhabricatorProjectTransactionType::TYPE_CAN_EDIT);
        $xaction->setNewValue($request->getStr('can_edit'));
        $xactions[] = $xaction;

        $xaction = new PhabricatorProjectTransaction();
        $xaction->setTransactionType(
          PhabricatorProjectTransactionType::TYPE_CAN_JOIN);
        $xaction->setNewValue($request->getStr('can_join'));
        $xactions[] = $xaction;

        $editor = new PhabricatorProjectEditor($project);
        $editor->setActor($user);
        $editor->applyTransactions($xactions);
      } catch (PhabricatorProjectNameCollisionException $ex) {
        $e_name = 'Not Unique';
        $errors[] = $ex->getMessage();
      }

      $profile->setBlurb($request->getStr('blurb'));

      if (!strlen($project->getName())) {
        $e_name = 'Required';
        $errors[] = 'Project name is required.';
      } else {
        $e_name = null;
      }

      $default_image = $request->getExists('default_image');
      if ($default_image) {
        $profile->setProfileImagePHID(null);
      } else if (!empty($_FILES['image'])) {
        $err = idx($_FILES['image'], 'error');
        if ($err != UPLOAD_ERR_NO_FILE) {
          $file = PhabricatorFile::newFromPHPUpload(
            $_FILES['image'],
            array(
              'authorPHID' => $user->getPHID(),
            ));
          $okay = $file->isTransformableImage();
          if ($okay) {
            $xformer = new PhabricatorImageTransformer();
            $xformed = $xformer->executeThumbTransform(
              $file,
              $x = 50,
              $y = 50);
            $profile->setProfileImagePHID($xformed->getPHID());
          } else {
            $e_image = 'Not Supported';
            $errors[] =
              'This server only supports these image formats: '.
              implode(', ', $supported_formats).'.';
          }
        }
      }

      if (!$errors) {
        $project->save();
        $profile->setProjectPHID($project->getPHID());
        $profile->save();
        return id(new AphrontRedirectResponse())
          ->setURI('/project/view/'.$project->getID().'/');
      }
    }

    $error_view = null;
    if ($errors) {
      $error_view = new AphrontErrorView();
      $error_view->setTitle('Form Errors');
      $error_view->setErrors($errors);
    }

    $header_name = 'Edit Project';
    $title = 'Edit Project';
    $action = '/project/edit/'.$project->getID().'/';

    $policies = id(new PhabricatorPolicyQuery())
      ->setViewer($user)
      ->setObject($project)
      ->execute();

    $form = new AphrontFormView();
    $form
      ->setID('project-edit-form')
      ->setUser($user)
      ->setAction($action)
      ->setEncType('multipart/form-data')
      ->appendChild(
        id(new AphrontFormTextControl())
          ->setLabel('Name')
          ->setName('name')
          ->setValue($project->getName())
          ->setError($e_name))
      ->appendChild(
        id(new AphrontFormSelectControl())
          ->setLabel('Project Status')
          ->setName('status')
          ->setOptions($options)
          ->setValue($project->getStatus()))
      ->appendChild(
        id(new AphrontFormTextAreaControl())
          ->setLabel('Blurb')
          ->setName('blurb')
          ->setValue($profile->getBlurb()))
      ->appendChild(
        '<p class="aphront-form-instructions">NOTE: Policy settings are not '.
        'yet fully implemented. Some interfaces still ignore these settings, '.
        'particularly "Visible To".</p>')
      ->appendChild(
        id(new AphrontFormPolicyControl())
          ->setUser($user)
          ->setName('can_view')
          ->setCaption('Members can always view a project.')
          ->setPolicyObject($project)
          ->setPolicies($policies)
          ->setCapability(PhabricatorPolicyCapability::CAN_VIEW))
      ->appendChild(
        id(new AphrontFormPolicyControl())
          ->setUser($user)
          ->setName('can_edit')
          ->setPolicyObject($project)
          ->setPolicies($policies)
          ->setCapability(PhabricatorPolicyCapability::CAN_EDIT))
      ->appendChild(
        id(new AphrontFormPolicyControl())
          ->setUser($user)
          ->setName('can_join')
          ->setCaption(
            'Users who can edit a project can always join a project.')
          ->setPolicyObject($project)
          ->setPolicies($policies)
          ->setCapability(PhabricatorPolicyCapability::CAN_JOIN))
      ->appendChild(
        id(new AphrontFormMarkupControl())
          ->setLabel('Profile Image')
          ->setValue(
            phutil_render_tag(
              'img',
              array(
                'src' => $img_src,
              ))))
      ->appendChild(
        id(new AphrontFormImageControl())
          ->setLabel('Change Image')
          ->setName('image')
          ->setError($e_image)
          ->setCaption('Supported formats: '.implode(', ', $supported_formats)))
      ->appendChild(
        id(new AphrontFormSubmitControl())
          ->addCancelButton('/project/view/'.$project->getID().'/')
          ->setValue('Save'));

    $panel = new AphrontPanelView();
    $panel->setHeader($header_name);
    $panel->setWidth(AphrontPanelView::WIDTH_FORM);
    $panel->appendChild($form);

    $nav = $this->buildLocalNavigation($project);
    $nav->selectFilter('edit');
    $nav->appendChild(
      array(
        $error_view,
        $panel,
      ));

    return $this->buildStandardPageResponse(
      $nav,
      array(
        'title' => $title,
      ));
  }
}