<?php

/* $Id$ */

/**
 * Valid permissions for this module
 * @return array An array of valid permissions for the onthisdate module
 */
function timetracker_perm() {
  return array('timetracking', 'administer timetracker');
} // function timetracker_perm()

/**
 * Define relevant hooks into the menu system
 *
 * @return array An array of menu items
 */
function timetracker_menu() {
  $items = array();

  /* TODO: http://drupal.org/node/82967 */
  /*   $items[] = array(
    'path' => 'admin/settings/timetracker',
    'title' => t('On this date module settings'),
    'callback' => 'drupal_get_form',
    'callback arguments' => 'timetracker_admin',
    'access' => user_access('access administration pages'),
    'type' => MENU_NORMAL_ITEM,
   ); */

  /* link to the main punch interface */
  $items[] = array(
    'path' => 'timetracker',
    'title' => t('Timetracker'),
    'callback' => 'timetracker_page',
    'access' => user_access('timetracking'),
    'type' => MENU_NORMAL_ITEM /* note: not a MENU_CALLBACK, since we
                                  want this toplevel */
  );

  return $items;
}

/**
 * Generate or list blocks provided by this module
 * @param op the operation from the URL
 * @param delta offset
 * @returns block HTML
 */
function timetracker_block($op='list', $delta=0) {
  /* listing of blocks, such as on the admin/block page */
  if ($op == "list") {
    $i = 0;
    $block[$i++]["info"] = t('Quick punch');
    $block[$i++]["info"] = t('Active punches');
    $block[$i++]["info"] = t('Punched in users');
    $block[$i++]["info"] = t('My last punches');
    $block[$i++]["info"] = t('Recent punches');
    $block[$i++]["info"] = t('My recent punches');
    
    return $block;
  } elseif ($op == "view") {
    switch ($delta) {
    case 0:
    default:
      $content = 'Block not implemented yet';
      break;
    }
    return $content;
  }

} // end timetracker_block

/**
 * Complete punch interface
 */
function timetracker_punch_form() {
  $output = '';
  $form = array();
  $form['tags'] = array('#type' => 'textfield',
                        '#title' => t('Tags'),
                        '#default_value' => $edit['tags'],
                        '#size' => 60,
                        '#maxlength' => 64,
                        '#description' => t('A comma-separated list of terms describing this content. Example: customerX, role:webdev, tobill, random...'),
                        );
  $form['comment'] = array('#type' => 'textfield',
                           '#title' => t('Comment'),
                           '#default_value' => $edit['comment'],
                           '#size' => 60,
                           '#maxlength' => 255,
                           '#description' => t('A comment describing your work in more details.'),
                           );
  $form['submit'] = array('#type' => 'submit',
                          '#value' => t('Save'),
                          );
  return $form;
}

/**
 * Validate the complete punch interface
 *
 * @see timetracker_punch_form()
 */
function timetracker_punch_form_validate($form_id, $form_values) {
  if ($form_values['tags'] == '') {
    form_set_error('', t('You must choose tags for your punch.'));
  }
}

/**
 * Input data the complete punch interface
 *
 * @see timetracker_punch_form()
 */
function timetracker_punch_form_submit($form_id, $form_values) {
  // TODO: enter data in the database here
  drupal_set_message('tags changed');
}

/**
 * Generate the main interface to the timetracker
 */
function timetracker_page() {
  $output .= drupal_get_form('timetracker_punch_form');
  print theme('page', $output);
}