<?php

/************************************************************
*                         FRONTPAGE                         *
************************************************************/

function pp_frontpage_select_form(&$form_state) {  
  $frontpage = variable_get('site_frontpage', 'node');

  // Build selects array
  $terms = pp_ch_get_channels();
  $select = array();
  foreach ($terms as $term) {
    $channel = pp_ch_load($term->tid);
    if ($channel['editions_enable']) {     
      $select['channel/' . $term->tid] = t($term->name);
    }
    else {
      $select[taxonomy_term_path($term)] = t($term->name);
    }
  }

  if (!array_key_exists($frontpage, $select)) {
    $select[$frontpage] = t('Unknown value. Don\'t change my front page.');
  }

  $form['site_frontpage'] = array(
    '#title' => t('Which channel do you want your front page to display?'),
    '#type' => 'radios',
    '#options' => $select,
    '#default_value' => $frontpage,
  );

  return system_settings_form($form);
}

/************************************************************
*                         DASHBOARD                         *
************************************************************/

function _pp_dashboard() {
  // Borrow the admin styles from system.module
  drupal_add_css(drupal_get_path('module', 'system') .'/admin.css', 'module');

  $blocks = array();

  // Stories dashpane
  $blocks['stories'] = _pp_dashboard_pane_stories();
  $blocks['editions'] = _pp_dashboard_pane_editions();
  $blocks['channels'] = _pp_dashboard_pane_channels();  
  $blocks['quick-links'] = _pp_dashboard_pane_quick_links();
  $blocks['docs'] = _pp_dashboard_pane_docs();

  // Some manual positioning
  $positions = array(
    'left' => array('stories', 'docs'),
    'right' => array('editions', 'channels', 'quick-links'),
  );
  foreach ($positions as $position => $list) {
    foreach ($list as $block) {
      if ($blocks[$block]['content']) {
        $blocks[$block]['position'] = $position;
      }
    }
  }

  return theme('admin_page', $blocks);
}

function _pp_dashboard_pane_stories() {
  if (module_exists('workflow')) {
    $wid = variable_get('pp_publishing_wid', FALSE);
    if ($wid) {
      $states = workflow_get_states($wid);
      $story_manager_path = 'admin/content/stories';

      $header = array(
        array('data' => t('Workflow'), 'class' => 'label'),
        array('data' => t('Number'), 'class' => 'value'),
      );
      $rows = array();
      foreach ($states as $value => $label) {
        $result = db_query("SELECT COUNT(*) FROM {node} node LEFT JOIN {workflow_node} workflow_node ON node.nid = workflow_node.nid WHERE node.type = 'story' AND workflow_node.sid = %d", $value);
        $result = db_result($result);
        $link = l($result, $story_manager_path, array('query' => 'sid[]=' . $value));
        $rows[] = array(
          array('data' => $label, 'class' => 'label'),
          array('data' => $link, 'class' => 'value'),
        );
      }

      // Total stories
      $result = db_query("SELECT COUNT(*) FROM {node} node WHERE node.type = 'story'");
      $result = db_result($result);
      $link = l($result, $story_manager_path);
      $rows[] = array(t('Total stories'), $link);

      $output = theme('table', $header, $rows, array('class' => 'story-count-table'));
      
      if (user_access('access administration pages')) {
        $output .= l(t('Story Manager'), $story_manager_path);
      }
    }
    else {
      $output = t('Sorry, unable to locate publishing workflow.');
    }
  }
  else {
    $output = t('Sorry, you must have the Workflow module enabled for this pane.');
  }

  return array(
    'title' => t('Stories'),
    'description' => t('A snapshot of the stories on this site.'),
    'content' => $output,
  );
}

function _pp_dashboard_pane_editions() {
  if (user_access('access administration pages')) {
    $output = l(t('Editions Manager'), 'admin/content/editions');

    return array(
      'title' => t('Editions'),
      'content' => $output,
    );
  }
}

function _pp_dashboard_pane_channels() {
  if (user_access('access administration pages')) {
    $output = l(t('Channels'), 'admin/content/channels');

    return array(
      'title' => t('Channels'),
      'content' => $output,
    );
  }
}

function _pp_dashboard_pane_quick_links() {
  // node create links
  $links = array();
  foreach (node_get_types('types', NULL, TRUE) as $type) {
    if (node_access('create', $type->type)) {
      $type_url_str = str_replace('_', '-', $type->type);
      $links['node_add_' . $type->type] = array(
        'title' => t('Create a @name', array('@name' => t($type->name))),
        'href' => 'node/add/'. $type_url_str,
      );
    }
  }
  $output = theme('links', $links, array());

  // Create user link
  if (user_access('administer users')) {
    $links = array(
      'add_user' => array(
        'title' => t('Add new user'),
        'href' => 'admin/user/user/create',
      ),
    );
    $output .= theme('links', $links, array());
  }

  return array(
    'title' => t('Quick Links'),
    'description' => t('Some useful shortcut links.'),
    'content' => $output,
  );
}

function _pp_dashboard_pane_docs() {
  $links = array();
  $links['user_guide'] = array(
    'title' => t('ProsePoint User Guide'),
    'href' => 'http://www.prosepoint.org/docs',
  );
  $links['website'] = array(
    'title' => t('ProsePoint Website'),
    'href' => 'http://www.prosepoint.org',
  );
  
  $output .= theme('links', $links, array());

  return array(
    'title' => t('Documentation'),
    'content' => $output,
  );
}