<?php
/**
 * Implements hook_ds_layout_settings_info().
 */
function _ds_layout_settings_info($bundle_name, $instances) {
    $region_right = array();
    $region_left = array();
    $region_top = array();
    $region_bottom = array();
    $prop_fields = array();
    $data_sequence_fields = array();
    $all_other_fields = array();
    $fields_with_regions = array();
    $i = 0;

    foreach ($instances as $key => $instance){
        $instance_name = $instance['field_name'];

        if($instance_name=="rdfs__type"){
            array_push($region_top, $instance_name);
            $fields_with_regions[$instance_name]= 'top';

        } else {
            $instance_base_table = $instance['settings']['base_table'];
            $instance_base_chado = $instance['settings']['chado_table'];
            $prop_table = strpos($instance_base_chado, 'prop');
            $data_sequence = strpos($instance_name, 'data__sequence');

            if ($instance_base_chado && $instance_base_table){

                if ($instance_base_chado == $instance_base_table){
                    if ($prop_table !== FALSE){
                        //Properties section instances
                        array_push($prop_fields, $instance_name);
                        $fields_with_regions[$instance_name]= 'right';

                    } elseif ($data_sequence !== FALSE) {
                        //data sequence section instances
                        array_push($data_sequence_fields, $instance_name);
                        $fields_with_regions[$instance_name] = 'right';

                    }else {
                        //overview section instances
                        array_push($region_top, $instance_name);
                        $fields_with_regions[$instance_name] = 'top';
                    }

                } elseif ($instance_base_chado != $instance_base_table){
                    if ($prop_table !== FALSE){
                        //Properties section instances
                        array_push($prop_fields, $instance_name);
                        $fields_with_regions[$instance_name]= 'right';

                    } elseif ($data_sequence !== FALSE){
                        //data sequence section instances
                        array_push($data_sequence_fields, $instance_name);
                        $fields_with_regions[$instance_name]= 'right';

                    } else {
                        //Linker section instances
                        array_push($region_right, $instance_name);
                        $fields_with_regions[$instance_name]= 'right';

                    }
                }
            }
        }
        $i++;
    }

    //add the field sets to the region arrays
    if(!empty($region_top)){
        tripal_ds_overview_field_group_info($bundle_name, $region_top);
        array_unshift($region_top, 'group_overview', 'group_overview_table');
        $fields_with_regions['group_overview']= 'top';
        $fields_with_regions['group_overview_table']= 'top';
    }
    if (!empty($prop_fields)){
        tripal_ds_prop_field_group_info($bundle_name, $prop_fields);
        array_unshift($prop_fields, 'group_prop', 'group_prop_table');
        $region_right = array_merge($prop_fields, $region_right);
        $fields_with_regions['group_prop']= 'right';
        $fields_with_regions['group_prop_table']= 'right';
    }
    if (!empty($data_sequence_fields)){
        tripal_ds_data_sequence_field_group_info($bundle_name, $data_sequence_fields);
        array_unshift($data_sequence_fields, 'group_sequence', 'group_sequence_table');
        $region_right = array_merge($data_sequence_fields, $region_right);
        $fields_with_regions['group_sequence']= 'right';
        $fields_with_regions['group_sequence_table']= 'right';
    }

    //build the ds layout
    $record = new stdClass;
    $record->id ='TripalEntity|' . $bundle_name . '|default';
    $record->entity_type = 'TripalEntity';
    $record->bundle = $bundle_name;
    $record->view_mode = 'default';
    $record->layout = 'tripal_ds_feature';
    $settings = array(
        'regions' => array(
            'top' =>
                $region_top,
            'left' =>
                $region_left,
            'right' =>
                $region_right,
            'bottom' =>
                $region_bottom,
        ),
        'fields' =>
            $fields_with_regions,
        'classes' => array(),
        'wrappers' => array(
            'top' => 'div',
            'left' => 'div',
            'right' => 'div',
            'bottom' => 'div',
        ),
        'layout_wrapper' => 'div',
        'layout_attributes' => '',
        'layout_attributes_merge' => 1,
        'layout_link_attribute' => '',
        'layout_link_custom' => '',
        'layout_disable_css' => 0,
    );
    $record->settings = $settings;

    watchdog('debug', '<pre>_ds_layout_settings_info  $record: '. print_r($record, TRUE) .'</pre>');

    drupal_write_record('ds_layout_settings', $record);

}


/*

function tripal_ds_content_type_fields($bundle_name){
  dpm(debug_backtrace());
  $base_fields = array();
  $all_fields = array();
  $custom_fields = array();

  $fields = db_select('field_config_instance', 'i')
    ->fields('i', array('field_name'))
    ->condition('bundle', $bundle_name)
    ->execute()
    ->fetchAll();

  //break apart each field to grab the base table identifiers
  foreach ($fields as $fields => $field) {
    $field_parts = explode('__', $field->field_name, 2);

    if(count($field_parts) > 1) {
      $base_field = $field_parts[0];
      $nonbase_field = $field_parts[1];
    } else {
      $base_field = $field_parts[0];
    }
    array_push($base_fields, $base_field);
    array_push($all_fields, $field->field_name);

  }
  //create the left base table fields based on the previous foreach loop
  if ($base_fields) {
      $base_fields = array_unique($base_fields);
      foreach($base_fields as $base_fields => $basefield){
        $custom_field = tripal_ds_ds_custom_fields_info($basefield);
        array_push($custom_fields, $custom_field);

      }
  }

  $all_fields = array(
    array($base_fields),
    array($all_fields),
    array($custom_fields),
  );

  return $all_fields;

}
*/
/*
 * Implements hook_ds_custom_fields_info().


function tripal_ds_ds_custom_fields_info($field) {
  $export = array();

  $ds_field = new stdClass;
  $ds_field->api_version = 1;
  $ds_field->field = $field;
  $ds_field->label = $field;
  $ds_field->field_type = 6;
  $ds_field->entities = array(
    'TripalEntity' => 'TripalEntity',
  );
  $ds_field->ui_limit = '';
  $ds_field->properties = array(
    'block' => 'node|recent',
    'block_render' => '2',
  );
  $export[$field] = $ds_field;

  return $export;
}
 */