<?php

/**
 * @file
 * Install file for timefield module.
 */

/**
 * Implements hook_field_schema().
 */
function timefield_field_schema($field) {

  $db_columns = array();

  // We are using an integer to store time values.  This in not a UNIX timestamp
  // however, rather offset from 12:00 AM midnight.  Values that are greater
  // than 24 * 60 * 60, or the value of 24-hour period are condidered +1 day.
  $db_columns['value'] = array(
    'type' => 'int',
    'not null' => FALSE,
  );

  // If second time is needed for 'To time', just make a copy of the first one.
  if (!empty($field['settings']['totime'])) {
    $db_columns['value2'] = $db_columns['value'];
  }

  // If a weekly schedule option selected add in additional columns.
  if (!empty($field['settings']['weekly_summary'])) {

    $db_columns += array(
      'label' => array(
        'description' => 'A label for this weekly schedule',
        'type' => 'varchar',
        'length' => 255,
        'not null' => FALSE,
        'default' => '',
      ),
      'mon' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'tue' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'wed' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'thu' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'fri' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'sat' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
      'sun' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny',
      ),
    );
  }

  return array('columns' => $db_columns);
}

/**
 * Implements hook_requirements().
 */
function timefield_requirements($phase) {
  $requirements = array();

  if ($phase == 'runtime') {
    $t = get_t();
    $libraries = libraries_get_libraries();

    if (array_key_exists('jquery.timepicker', $libraries)) {
      $requirements['jquery_timepicker'] = array(
        'title' => $t('jQuery Timepicker plugin'),
        'severity' => REQUIREMENT_OK,
        'value' => $t('jQuery Timepicker plugin is installed'),
      );
    }
    else {
      $requirements['jquery_timepicker'] = array(
        'title' => $t('jQuery Timepicker plugin'),
        'value' => $t('jQuery Timepicker plugin is not installed'),
        'severity' => REQUIREMENT_INFO,
        'description' => $t('While not a requirement, timefield module\'s utility is greatly enhanced by including the !link', array('!link' => l($t("jQuery Timepicker plugin"), "http://fgelinas.com/code/timepicker"))),
      );
    }
  }

  return $requirements;
}