<?php

/**
 * @file
 * Defines the unit tests for the Opigno Quiz Import app.
 */

class OpignoQuizImportAppWebTestCase extends OpignoWebTestCase {

  /**
   * {@inheritDoc}
   */
  public static function getInfo() {
    return array(
      'name' => 'Opigno Quiz Import App',
      'description' => 'Test the quiz import integration with Opigno.',
      'group' => 'Opigno',
    );
  }

  /**
   * {@inheritDoc}
   */
  public function setUp() {
    parent::setUp('opigno_quiz_import_app', 'opigno', 'og_ui');
    $this->_setUpQuizContentType();
  }

  /**
   * Test importing a quiz in global context.
   */
  public function testGlobalImport() {
    // Create an admin to simplify checking.
    $admin = $this->drupalCreateUser(array_keys(module_invoke_all('permission')));
    $course = $this->createCourse('Course', $admin);

    // Create a user for checking the import.
    $importer = $this->drupalCreateUser(array('import quiz questions xls'));

    // Login importer.
    $this->drupalLogin($importer);

    // Check import.
    $title = "imported quiz";
    $this->drupalPost('admin/quiz/import/xls', array(
      'files[import_file]' => realpath(drupal_get_path('module', 'opigno_quiz_import_app') . '/tests/fixture/quiz.xlsx'),
      'title' => $title,
    ), t("Import"));
    $this->assertText(t("Your new quiz was imported."));

    // Check the questions. Make sure their settings are correct.
    $this->clickLink(t("here"));
    $this->assertText($title);
    $questions_url = $this->getUrl();

    // Check Quiz was assigned to correct author.
    $nid = $this->_getNid($questions_url);
    $this->_checkNodeAuthor($nid, $importer->uid);

    // Login admin - will make checking question settings much simpler.
    $this->drupalLogin($admin);

    // Check OG ref field.
    $this->drupalGet($questions_url . '/edit');
    $this->assertNoOptionSelected('edit-og-group-ref-und-0-default', $course->nid, "Was not linked to any group.");

    // Check the questions.
    $this->drupalGet($questions_url . '/questions');
    $this->assertText("Who is Shröder ?", "The first question was correctly linked.");
    $this->assertText("Who is Einstein ?", "The second question was correctly linked.");

    // Check the first question settings.
    $this->clickLink("Who is Shröder ?");

    // Check question was assigned to correct author.
    $nid = $this->_getNid($this->getUrl());
    $this->_checkNodeAuthor($nid, $importer->uid);

    // Check question settings.
    $this->drupalGet($this->getUrl() . '/edit');
    $this->_testFirstQuestionSettings();

    $this->drupalGet($questions_url . '/questions');
    $this->clickLink("Who is Einstein ?");

    // Check question was assigned to correct author.
    $nid = $this->_getNid($this->getUrl());
    $this->_checkNodeAuthor($nid, $importer->uid);

    // Check question settings.
    $this->drupalGet($this->getUrl() . '/edit');
    $this->_testSecondQuestionSettings();
  }

  /**
   * Test importing a quiz in course context.
   */
  public function tsestCourseImport() {
    // Create an admin for the course to simplify checking.
    $admin = $this->drupalCreateUser(array('access content'));
    $course = $this->createCourse('Course', $admin);

    // Create a user for checking the import.
    $importer = $this->drupalCreateUser(array('access content'));
    $this->createRole('can import', array('import quiz questions xls'));
    $this->addMemberToCourse($course, $importer->uid, array('member', 'can import'));

    // Check import.
    $title = "imported quiz";
    $this->drupalPost('admin/quiz/import/xls', array(
      'files[import_file]' => realpath(drupal_get_path('module', 'opigno_quiz_import_app') . '/tests/fixture/quiz.xlsx'),
      'title' => $title,
    ), t("Import"));
    $this->assertText(t("Your new quiz was imported."));

  }

  /**
   * Helper function to test the second question settings.
   */
  protected function _testSecondQuestionSettings() {
    $default_score_not_chosen = -1; // Value from multichoice.
    $this->assertFieldByName('alternatives[0][answer][value]', 'A guy', "The first option label is correctly set.");
    $this->assertFieldChecked('edit-alternatives-0-correct', "The first option is correctly set as correct.");
    $this->assertFieldByName('alternatives[0][feedback_if_chosen][value]', 'Hard to disagree with that', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[0][feedback_if_not_chosen][value]', 'Sigh', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[0][score_if_chosen]', 3, "Score was correctly set to 3 if chosen.");
    $this->assertFieldByName('alternatives[0][score_if_not_chosen]', 0, "Score was correctly set to 0 if not chosen.");

    $this->assertFieldByName('alternatives[1][answer][value]', 'A gall', "The second option label is correctly set.");
    $this->assertNoFieldChecked('edit-alternatives-1-correct', "The first option is correctly set as correct.");
    $this->assertFieldByName('alternatives[1][feedback_if_chosen][value]', '"Albert"…', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[1][feedback_if_not_chosen][value]', "Don't brag", "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[1][score_if_chosen]', 0, "Score was correctly set to 0 if chosen.");
    $this->assertFieldByName('alternatives[1][score_if_not_chosen]', 2, "Score was correctly set to 2 if not chosen.");

    $this->assertFieldByName('alternatives[2][answer][value]', 'A brilliant scientist', "The third option label is correctly set.");
    $this->assertFieldChecked('edit-alternatives-2-correct', "The first option is correctly set as incorrect.");
    $this->assertFieldByName('alternatives[2][feedback_if_chosen][value]', '', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[2][feedback_if_not_chosen][value]', '', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[2][score_if_chosen]', 5, "Score was correctly set to 5 if chosen.");
    $this->assertFieldByName('alternatives[2][score_if_not_chosen]', 0, "Score was correctly set to 0 if not chosen.");

    $this->assertFieldByName('alternatives[3][answer][value]', 'A lawyer', "The fourth option label is correctly set.");
    $this->assertNoFieldChecked('edit-alternatives-3-correct', "The first option is correctly set as incorrect.");
    $this->assertFieldByName('alternatives[3][feedback_if_chosen][value]', '', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[3][feedback_if_not_chosen][value]', '', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[3][score_if_chosen]', $default_score_not_chosen, "Score was correctly set to $default_score_not_chosen if chosen.");
    $this->assertFieldByName('alternatives[3][score_if_not_chosen]', 0, "Score was correctly set to 0 if not chosen.");
  }

  /**
   * Helper function to test the first question settings.
   */
  protected function _testFirstQuestionSettings() {
    $this->assertFieldByName('alternatives[0][answer][value]', 'A nice chap', "The first option label is correctly set.");
    $this->assertFieldChecked('edit-alternatives-0-correct', "The first option is correctly set as correct.");
    $this->assertFieldByName('alternatives[0][feedback_if_chosen][value]', '', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[0][feedback_if_not_chosen][value]', 'Who do you think you are ?', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[0][score_if_chosen]', 1, "Score was correctly set to 1 if chosen.");
    $this->assertFieldByName('alternatives[0][score_if_not_chosen]', 0, "Score was correctly set to 0 if not chosen.");

    $this->assertFieldByName('alternatives[1][answer][value]', 'A scientist', "The second option label is correctly set.");
    $this->assertFieldChecked('edit-alternatives-1-correct', "The first option is correctly set as correct.");
    $this->assertFieldByName('alternatives[1][feedback_if_chosen][value]', 'Everything is relative', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[1][feedback_if_not_chosen][value]', 'Wrong you are', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[1][score_if_chosen]', 4, "Score was correctly set to 4 if chosen.");
    $this->assertFieldByName('alternatives[1][score_if_not_chosen]', 0, "Score was correctly set to 0 if not chosen.");

    $this->assertFieldByName('alternatives[2][answer][value]', 'My neighbour', "The third option label is correctly set.");
    $this->assertNoFieldChecked('edit-alternatives-2-correct', "The first option is correctly set as incorrect.");
    $this->assertFieldByName('alternatives[2][feedback_if_chosen][value]', 'I doubt it', "Feedback is correctly set if chosen.");
    $this->assertFieldByName('alternatives[2][feedback_if_not_chosen][value]', 'Of course not', "Feedback is correctly set if not chosen.");
    $this->assertFieldByName('alternatives[2][score_if_chosen]', -5, "Score was correctly set to -5 if chosen.");
    $this->assertFieldByName('alternatives[2][score_if_not_chosen]', 4, "Score was correctly set to 4 if not chosen.");
  }

  /**
   * Set up the quiz node type to be an OG content type.
   */
  protected function _setUpQuizContentType() {
    $admin = $this->drupalCreateUser(array_keys(module_invoke_all('permission')));
    $this->drupalLogin($admin);
    $this->drupalPost('admin/structure/types/manage/quiz', array('og_group_content_type' => 1), t("Save content type"));
    $this->drupalLogout($admin);
  }

  /**
   * Helper function to test the node was assigned to the correct user.
   */
  protected function _checkNodeAuthor($nid, $uid) {
    $node = node_load($nid);
    $this->assertEqual($node->uid, $uid, "Node was assigned to the correct user.");
  }

  /**
   * Extract the node nid from the URL.
   */
  protected function _getNid($path) {
    if (preg_match('/node\/[0-9]+/', $path)) {
      $parts = explode('node/', $path);
      return array_shift(explode('/', $parts[1]));
    }
  }
}