<?php
/**
 * @file
 * Timezone tests.
 */
class DateTimezoneTestCase extends DateFieldBasic {

  /**
   * @todo.
   */
  public static function getInfo() {
    return array(
      'name' => 'Timezone & Granularity',
      'description' => 'Test combinations of date field timezone handling and granularity.',
      'group' => 'Date',
    );
  }

  public function setUp() {
    parent::setUp();
    // Set the timezone explicitly. Otherwise the site's default timezone is
    // used, which defaults to the server timezone when installing Drupal. This
    // depends on the environment and is therefore uncertain.
    // The Australia/Sydney timezone is chosen so all tests are run using an
    // edge case scenario (UTC+10 and DST).
    variable_set('date_default_timezone', 'Australia/Sydney');
  }

  /**
   * @todo.
   */
  public function testTimezone() {
    // Create a date fields with combinations of various timezone handling and
    // granularity.
    foreach (array('date', 'datestamp', 'datetime') as $field_type) {
      foreach (array('site', 'none', 'date', 'user', 'utc', 'Europe/Dublin') as $tz_handling) {
        foreach (array('year', 'month', 'day', 'hour', 'minute', 'second') as $max_granularity) {
          // Skip invalid combinations.
          if (in_array($max_granularity, array('year', 'month', 'day')) && $tz_handling != 'none') {
            continue;
          }
          $field_name = "field_test";
          $label = 'Test';
          $granularity = date_granularity_array_from_precision($max_granularity);
          $options = array(
            'label' => $label,
            'widget_type' => 'date_text',
            'field_name' => $field_name,
            'field_type' => $field_type,
            'input_format' => 'custom',
            'input_format_custom' => 'm/d/Y - H:i:s',
            'tz_handling' => $tz_handling,
            'granularity' => $granularity,
          );
          $this->createDateField($options);
          $this->dateForm($field_name, $field_type, $max_granularity, $tz_handling);
          $this->deleteDateField($label);
        }
      }
    }
  }

  /**
   * Validates timezone handling with a multi-value date field.
   */
  public function testMultiUserTimezone() {
    // Create date fields with combinations of various types and granularity
    // using the "Date's Timezone" strategy.
    $field_type = 'datetime';
    $tz_handling = 'date';
    $max_granularity = 'minute';

    // Create date field
    $field_name = "field_test";
    $label = 'Test';
    $options = array(
      'label' => $label,
      'widget_type' => 'date_text',
      'field_name' => $field_name,
      'field_type' => $field_type,
      'input_format' => 'custom',
      'input_format_custom' => 'm/d/Y - H:i:s T',
      'cardinality' => 3,
      'tz_handling' => $tz_handling,
    );
    $this->createMultiDateField($options);

    // Submit a date field form with multiple values
    $this->dateMultiValueForm($field_name, $field_type, $max_granularity, $tz_handling);


    $this->deleteDateField($label);
  }

  /**
   * Tests the submission of a date field's widget form when using unlimited
   * cardinality
   */
  public function dateMultiValueForm($field_name, $field_type, $max_granularity, $tz_handling) {
    variable_set('date_format_long', 'D, m/d/Y - H:i:s T');

    $edit = array();
    $should_be = array();
    $edit['title'] = $this->randomName(8);
    $timezones = array('America/Chicago', 'America/Los_Angeles', 'America/New_York');

    switch ($max_granularity) {
      case 'hour':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][0][timezone][timezone]'] = 'America/Chicago';
        $should_be[0] = 'Thu, 10/07/2010 - 10 CDT';

        $edit[$field_name . '[und][1][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][1][timezone][timezone]'] = 'America/Los_Angeles';
        $should_be[1] = 'Thu, 10/07/2010 - 10 PDT';

        $edit[$field_name . '[und][2][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][2][timezone][timezone]'] = 'America/New_York';
        $should_be[2] = 'Thu, 10/07/2010 - 10 EDT';

        break;
      case 'minute':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][0][timezone][timezone]'] = 'America/Chicago';
        $should_be[0] = 'Thu, 10/07/2010 - 10:30 CDT';

        $edit[$field_name . '[und][1][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][1][timezone][timezone]'] = 'America/Los_Angeles';
        $should_be[1] = 'Thu, 10/07/2010 - 10:30 PDT';

        $edit[$field_name . '[und][2][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][2][timezone][timezone]'] = 'America/New_York';
        $should_be[2] = 'Thu, 10/07/2010 - 10:30 EDT';

        break;
      case 'second':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][0][timezone][timezone]'] = 'America/Chicago';
        $should_be[0] = 'Thu, 10/07/2010 - 10:30:30 CDT';

        $edit[$field_name . '[und][1][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][1][timezone][timezone]'] = 'America/Los_Angeles';
        $should_be[1] = 'Thu, 10/07/2010 - 10:30:30 PDT';

        $edit[$field_name . '[und][2][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][2][timezone][timezone]'] = 'America/New_York';
        $should_be[2] = 'Thu, 10/07/2010 - 10:30:30 EDT';
        break;
    }

    $this->drupalPost('node/add/story', $edit, t('Save'));
    $this->assertText($edit['title'], "Node has been created");

    foreach ($should_be as $assertion) {
      $this->assertText($assertion, "Found the correct date for a $field_type field using $max_granularity granularity with $tz_handling timezone handling.");
    }

    // Goto the edit page and save the node again.
    $node = $this->drupalGetNodeByTitle($edit['title']);
    $this->drupalGet('node/' . $node->nid . '/edit');

    // Re-assert the proper date timezones.
    foreach ($timezones as $key => $timezone) {
      $this->assertOptionSelected('edit-field-test-und-' . $key . '-timezone-timezone', $timezone, "Found the correct timezone $timezone for a $field_type field using $max_granularity granularity with $tz_handling timezone handling.");
    }
  }

  /**
   * @todo.
   */
  public function dateForm($field_name, $field_type, $max_granularity, $tz_handling) {
    variable_set('date_format_long', 'D, m/d/Y - H:i:s');
    $edit = array();
    $edit['title'] = $this->randomName(8);
    $edit[$field_name . '[und][0][show_todate]'] = '1';
    switch ($max_granularity) {
      case 'year':
        $edit[$field_name . '[und][0][value][date]'] = '2010';
        $edit[$field_name . '[und][0][value2][date]'] = '2011';
        $should_be = '2010 to 2011';
        break;
      case 'month':
        $edit[$field_name . '[und][0][value][date]'] = '07/2010';
        $edit[$field_name . '[und][0][value2][date]'] = '08/2010';
        $should_be = '07/2010 to 08/2010';
        break;
      case 'day':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010';
        $edit[$field_name . '[und][0][value2][date]'] = '10/08/2010';
        $should_be = 'Thu, 10/07/2010 to Fri, 10/08/2010';
        break;
      case 'hour':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10';
        $edit[$field_name . '[und][0][value2][date]'] = '10/07/2010 - 11';
        if ($tz_handling == 'utc') {
          $should_be = 'Thu, 10/07/2010 - 21 to Thu, 10/07/2010 - 22';
        }
        else {
          $should_be = 'Thu, 10/07/2010 - 10 to Thu, 10/07/2010 - 11';
        }
        break;
      case 'minute':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10:30';
        $edit[$field_name . '[und][0][value2][date]'] = '10/07/2010 - 11:30';
        if ($tz_handling == 'utc') {
          $should_be = 'Thu, 10/07/2010 - 21:30 to 22:30';
        }
        else {
          $should_be = 'Thu, 10/07/2010 - 10:30 to 11:30';
        }
        break;
      case 'second':
        $edit[$field_name . '[und][0][value][date]'] = '10/07/2010 - 10:30:30';
        $edit[$field_name . '[und][0][value2][date]'] = '10/07/2010 - 11:30:30';
        if ($tz_handling == 'utc') {
          $should_be = 'Thu, 10/07/2010 - 21:30:30 to 22:30:30';
        }
        else {
          $should_be = 'Thu, 10/07/2010 - 10:30:30 to 11:30:30';
        }
        break;
    }
    $this->drupalPost('node/add/story', $edit, t('Save'));
    $this->assertText($edit['title'], "Node has been created");
    $this->assertText($should_be, "Found the correct date for a $field_type field using $max_granularity granularity with $tz_handling timezone handling.");
  }
}
