<?php /* -*- php -*- */

function fulcrm_campaign_admin_campaign() {
  $header = array( array( 'data' => t('ID'), 'field' => 'fulcrm_campaign.fcid' ),
                   array( 'data' => t('Name'), 'field' => 'fulcrm_campaign.name' ),
                   array( 'data' => t('Subject'), 'field' => 'fulcrm_campaign.subject' ),
                   array( 'data' => t('Actions') ),
                   );
  
  $query =
    db_select( 'fulcrm_campaign' );
  $query = $query
    ->extend( 'TableSort' )
    ->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject' ) );
  $query = $query
    ->orderBy('fulcrm_campaign.fcid');
  
  $result = $query->orderByHeader( $header )->execute();
  $rows = array();
  foreach ( $result as $row ) {
    $rows[] = array( array( 'data' => '<a href="' . url('admin/content/fulcrm/campaign/' . $row->fcid) . '">' . $row->fcid . '</a>' ),
                     array( 'data' => $row->name ),
                     array( 'data' => $row->subject ),
                     array( 'data' => '<a href="' . url('admin/content/fulcrm/campaign/' . $row->fcid . '/edit') . '">arrange</a>' ),
                     );
  }
  
  $build[ 'tablesort_table' ] = array( '#theme' => 'table',
                                       '#header' => $header,
                                       '#rows' => $rows,
                                       );

  return $build;
}

function fulcrm_campaign_admin_campaign_settings_form_submit( $form, &$form_state ) {
  $fcid = intval( $form_state[ 'values' ][ 'fcid' ] );
  db_update( 'fulcrm_campaign' )->fields( array( 'name' => $form_state[ 'values' ][ 'name' ],
                                                 'subject' => $form_state[ 'values' ][ 'subject' ],
                                                 ) )->condition( 'fulcrm_campaign.fcid', $fcid )->execute();
  drupal_set_message( t( 'Campaign information updated.' ) );
}

function fulcrm_campaign_admin_campaign_settings_form_submit_template( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    $tid = intval( $form_state[ 'values' ][ 'template' ] );
    fulcrm_campaign_create_campaign_variables_from_template( $fcid, $tid );
    drupal_set_message( 'Template variables preloaded.' );
  }
}

function fulcrm_campaign_admin_campaign_settings_form_submit_save( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    foreach ( $form_state[ 'values' ] as $name => $value ) {
      if ( substr( $name , 0, 9 ) === 'variable_' )
        db_update( 'fulcrm_campaign_variable_value' )
            ->condition( 'fcid', $fcid )
            ->condition( 'name', substr( $name, 9 ) )
            ->fields( array( 'value' => $value ) )
            ->execute();
    }
    module_invoke_all( 'fulcrm_campaign_prepared', $fcid );
    drupal_set_message( 'Variables saved.' );
  }
}

function fulcrm_campaign_admin_campaign_settings_form_submit_new( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    db_insert( 'fulcrm_campaign_variable_value' )->fields( array( 'fcid' => $fcid,
                                                                  'name' => $form_state[ 'values' ][ 'new' ],
                                                                  'value' => '' ) )->execute();
    drupal_set_message( 'Variable added.' );
  }
}

function fulcrm_campaign_admin_campaign_settings_form( $form, &$form_state, $fcid ) {
  $fcid = intval( $fcid );
  $query = db_select( 'fulcrm_campaign' )->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject' ) )->condition( 'fulcrm_campaign.fcid', $fcid );
  foreach ( $query->execute() as $campaign ) {
    $form[ 'fcid' ] = array( '#type' => 'hidden',
                             '#value' => $campaign->fcid,
                             );
  }

  $form[ 'name' ] = array( '#type' => 'textfield',
                           '#title' => 'Name (for internal use)',
                           '#default_value' => ( ( array_key_exists( 'values', $form_state ) && $form_state[ 'values' ][ 'name' ] ) ? $form_state[ 'values' ][ 'name' ] : $campaign->name ),
                           );
  $form[ 'subject' ] = array( '#type' => 'textfield',
                             '#title' => 'Subject (of email)',
                              '#default_value' => ( ( array_key_exists( 'values', $form_state ) && $form_state[ 'values' ][ 'subject' ] ) ? $form_state[ 'values' ][ 'subject' ] : $campaign->subject ),
                              );
  
  $form[ 'variables' ] = array( '#type' => 'fieldset',
                                '#title' => 'Campaign Variables',
                                );

  $templates = array( 0 => '' );
  $query = db_select( 'fulcrm_campaign_variable_template' )->fields( 'fulcrm_campaign_variable_template', array( 'tid', 'name' ) )->orderBy( 'fulcrm_campaign_variable_template.name' );
  foreach ( $query->execute() as $row ) {
    $templates[ $row->tid ] = check_plain( $row->name );
  }

  $form[ 'variables' ][ 'template' ] = array( '#type' => 'select',
                                              '#title' => 'Load from template',
                                              '#options' => $templates,
                                              );
  $form[ 'variables' ][ 'template_submit' ] = array( '#type' => 'submit',
                                                     '#value' => t('Use Template'),
                                                     '#description' => t('Preload variables from this template.'),
                                                     '#submit' => array( 'fulcrm_campaign_admin_campaign_settings_form_submit_template' ), // If no javascript action.
                                                     /*
                                                       '#ajax' => array(
                                                       'callback' => 'poll_choice_js',
                                                       'wrapper' => 'poll-choices',
                                                       'method' => 'replace',
                                                       'effect' => 'fade',
                                                       ),
                                                     */
                                                     );

  $form[ 'variables' ][ 'values' ] = array( '#type' => 'fieldset',
                                            '#title' => 'Current Values',
                                            );

  $query = db_select( 'fulcrm_campaign_variable_value' )
       ->fields( 'fulcrm_campaign_variable_value', array( 'name', 'value' ) )
       ->condition( 'fulcrm_campaign_variable_value.fcid', $fcid )
       ->orderBy( 'fulcrm_campaign_variable_value.name' );
  foreach ( $query->execute() as $row ) {
    $form[ 'variables' ][ 'values' ][ 'variable_' . $row->name ] = array( '#type' => 'textfield',
                                                                          '#title' => check_plain( $row->name ),
                                                                          '#default_value' => $row->value,
                                                                          );
  }
  $form[ 'variables' ][ 'values' ][ 'save' ] = array( '#type' => 'submit',
                                                      '#value' => 'Save Variables',
                                                      '#submit' => array( 'fulcrm_campaign_admin_campaign_settings_form_submit_save' ),
                                                      );


  $form[ 'variables' ][ 'new' ] = array( '#type' => 'textfield',
                                         '#title' => 'New Variable Name',
                                         );
  $form[ 'variables' ][ 'new_submit' ] = array( '#type' => 'submit',
                                                '#value' => t('Add Variable'),
                                                '#description' => t('Add a new variable to this template.'),
                                                '#submit' => array( 'fulcrm_campaign_admin_campaign_settings_form_submit_new' ),
                                                );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Save'),
                                          );

  return $form;
}

function fulcrm_campaign_admin_campaign_settings( $fcid ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_settings_form', $fcid );
}

function fulcrm_campaign_admin_campaign_new_form_submit( $form, &$form_state ) {
  $fcid = db_insert( 'fulcrm_campaign' )->fields( array( 'name' => $form_state[ 'values' ][ 'name' ],
                                                         'subject' => $form_state[ 'values' ][ 'subject' ],
                                                         ) )->execute();
  if ( $fcid ) {
    $tid = intval( $form_state[ 'values' ][ 'template' ] );
    if ( $tid )
      fulcrm_campaign_create_campaign_variables_from_template( $fcid, $tid );
    drupal_set_message( t( 'Mailshot created!' ) );
    drupal_goto( 'admin/content/fulcrm/campaign/' . $fcid . '/edit' );
  } else
    drupal_set_message( t( 'There was an error creating the campaign.' ), $type = 'error' );
}

function fulcrm_campaign_admin_campaign_new_form( $form, &$form_state ) {
  $templates = array( 0 => '' );
  $query = db_select( 'fulcrm_campaign_variable_template' )->fields( 'fulcrm_campaign_variable_template', array( 'tid', 'name' ) )->orderBy( 'fulcrm_campaign_variable_template.name' );
  foreach ( $query->execute() as $row ) {
    $templates[ $row->tid ] = check_plain( $row->name );
  }

  $form[ 'template' ] = array( '#type' => 'select',
                               '#title' => 'Template',
                               '#options' => $templates,
                               );

  $form[ 'name' ] = array( '#type' => 'textfield',
                           '#default_value' => '',
                           '#title' => 'Name (for internal use)',
                           );
  $form[ 'subject' ] = array( '#type' => 'textfield',
                              '#default_value' => '',
                              '#title' => 'Subject (of email)',
                              );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Create'),
                                          );

  return $form;
}

function fulcrm_campaign_admin_campaign_new() {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_new_form' );
}

function fulcrm_campaign_admin_campaign_node_form_submit( $form, &$form_state ) {
  if ( $node = node_load( intval( $form_state[ 'values' ][ 'nid' ] ) ) ) {
    $query = db_select( 'fulcrm_campaign_node' );
    $query->condition( 'fulcrm_campaign_node.nid', $node->nid );
    $query->addExpression( "MAX(weight)", 'max_weight' );
    $max_weight = 0;
    foreach ( $query->execute() as $row )
      $max_weight = $row->max_weight;
    
    if ( array_key_exists( 'add_to_campaigns', $form_state[ 'values' ] ) ) {
      foreach ( $form_state[ 'values' ][ 'add_to_campaigns' ] as $fcid => $value ) {
        if ( $value ) {
          $max_weight++;
          db_insert( 'fulcrm_campaign_node' )->fields( array( 'nid' => $node->nid,
                                                              'fcid' => $fcid,
                                                              'weight' => $max_weight,
                                                              ) )->execute();
        }
      }
    }
    
    if ( array_key_exists( 'remove_from_campaigns', $form_state[ 'values' ] ) ) {
      foreach ( $form_state[ 'values' ][ 'remove_from_campaigns' ] as $fcid => $value ) {
        if ( $value ) {
          db_delete( 'fulcrm_campaign_node' )->condition( 'fcid', $fcid )->condition( 'nid', $node->nid )->execute();
        }
      }
    }
  } else {
    drupal_set_message( 'Could not load the correct node.', $type = 'error' );
  }
}

function fulcrm_campaign_admin_campaign_node_form( $form, &$form_state, $node ) {
  $campaigns = array();
  $query = db_select( 'fulcrm_campaign' );
  $query->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject' ) );
  foreach ( $query->execute() as $row )
    $campaigns[ $row->fcid ] = array( 'name' => check_plain( $row->name ), 'subject' => check_plain( $row->subject ) );

  $past_campaigns = array();
  $query = db_select( 'fulcrm_campaign_node' );
  $query->fields( 'fulcrm_campaign_node', array( 'nid', 'fcid' ) );
  $query->join( 'fulcrm_campaign', 'fulcrm_campaign', 'fulcrm_campaign_node.fcid = fulcrm_campaign.fcid' );
  $query->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject' ) );
  $query->leftJoin( 'fulcrm_webhook_entity_mapping', 'fwem', 'fwem.entity_type=\'fulcrm_campaign\' and fwem.fulcrm_type=\'campaign\' and fwem.entity_id = fulcrm_campaign.fcid' );
  $query->fields( 'fwem', array( 'entity_id' ) );
  $query->isNotNull( 'fwem.entity_id' );
  $query->condition( 'fulcrm_campaign_node.nid', $node->nid );
  foreach ( $query->execute() as $row )
    $past_campaigns[ $row->fcid ] = $row->description;

  $in_campaigns = array();
  $query = db_select( 'fulcrm_campaign_node' );
  $query->fields( 'fulcrm_campaign_node', array( 'nid', 'fcid' ) );
  $query->join( 'fulcrm_campaign', 'fulcrm_campaign', 'fulcrm_campaign_node.fcid = fulcrm_campaign.fcid' );
  $query->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject' ) );
  $query->leftJoin( 'fulcrm_webhook_entity_mapping', 'fwem', 'fwem.entity_type=\'fulcrm_campaign\' and fwem.fulcrm_type=\'campaign\' and fwem.entity_id = fulcrm_campaign.fcid' );
  $query->fields( 'fwem', array( 'entity_id' ) );
  $query->isNull( 'fwem.entity_id' );
  $query->condition( 'fulcrm_campaign_node.nid', $node->nid );
  foreach ( $query->execute() as $row ) {
    $in_campaigns[ $row->fcid ] = array( 'name' => ( check_plain( $row->name ) . ' (<a href="' . 
                                                     url('admin/content/fulcrm/campaign/' . $row->fcid . '/edit') .
                                                     '">configure</a>)' ),
                                         'subject' => check_plain( $row->subject ) );
    if ( array_key_exists( $row->fcid, $campaigns ) )
      unset( $campaigns[ $row->fcid ] );
  }

  $form[ 'nid' ] = array( '#type' => 'hidden',
                          '#value' => $node->nid );

  $header = array( 'name' => array( 'data' => t('Name (for internal use)') ), 'subject' => array( 'data' => t('Subject (of email)') ) );

  if ( $campaigns ) {
    $form[ 'add_to_campaigns' ] = array( '#type' => 'fieldset',
                                         '#title' => 'Add Content to Open Mailshots',
                                         );
    $form[ 'add_to_campaigns' ][ 'add_to_campaigns' ] = array( '#type' => 'tableselect',
                                                               '#options' => $campaigns,
                                                               '#header' => $header,
                                                               );
  }

  if ( $in_campaigns ) {
    $form[ 'remove_from_campaigns' ] = array( '#type' => 'fieldset',
                                              '#title' => 'Remove Content from Pending Mailshots',
                                              );
    $form[ 'remove_from_campaigns' ][ 'remove_from_campaigns' ] = array( '#type' => 'tableselect',
                                                                         '#options' => $in_campaigns,
                                                                         '#header' => $header,
                                                                         );
  }
    
  if ( $past_campaigns ) {
    $form[ 'history_campaigns' ] = array( '#type' => 'fieldset',
                                          '#title' => 'Content was Used in Mailshots',
                                          );
    
    foreach ( $past_campaigns as $fcid => $description ) {
      $form[ 'history_campaigns' ][ $fcid ] = array( '#type' => 'item',
                                                     '#title' => $description );
    }
  }

  if ( $past_campaigns || $in_campaigns || $campaigns ) {
    $form[ 'actions' ] = array( '#type' => 'actions' );
    $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                            '#value' => t('Save'),
                                            );
  } else {
    $form[ 'nothing' ] = array( '#type' => 'markup',
                                '#markup' => 'This content does not appear in any campaigns, and currently no open/pending campaigns are available for you to add it to.',
                                );
  }

  return $form;
}

function fulcrm_campaign_admin_campaign_node( $node ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_node_form', $node );
}

function fulcrm_campaign_admin_campaign_edit_form_submit( $form, &$form_state ) {
  $fcid = intval( $form_state[ 'values' ][ 'fcid' ] );
  if ( $fcid ) {
    foreach ( $form_state[ 'values' ][ 'content' ] as $nid => $item ) {
      db_update( 'fulcrm_campaign_node' )->condition( 'fcid', $fcid )->condition( 'nid', $nid )->fields( array( 'weight' => $item[ 'weight' ] ) )->execute();
    }    
  }
}

function fulcrm_campaign_admin_campaign_edit_form( $form, &$form_state, $fcid ) {
  $form[ 'fcid' ] = array( '#type' => 'hidden',
                           '#value' => $fcid,
                           );

  $form[ 'content' ][ '#tree' ] = TRUE;

  $query = db_select( 'fulcrm_campaign_node' );
  $query->join( 'node', 'node', 'fulcrm_campaign_node.nid = node.nid' );
  $query->condition( 'fulcrm_campaign_node.fcid', $fcid );
  $query->fields( 'fulcrm_campaign_node', array( 'nid', 'weight' ) );
  $query->fields( 'node', array( 'title' ) );
  $query->orderBy( 'fulcrm_campaign_node.weight' );
  foreach ( $query->execute() as $row ) {
    $form[ 'content' ][ $row->nid ] = array( 'title' => array( '#markup' => check_plain( $row->title ),
                                                               ),
                                             'weight' => array( '#type' => 'weight',
                                                                '#title' => t('Weight'),
                                                                '#default_value' => $row->weight,
                                                                '#delta' => 10,
                                                                '#title-display' => 'invisible',
                                                                ),
                                             );
  }

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Save Order'),
                                          );

  return $form;
}

function theme_fulcrm_campaign_admin_campaign_edit_form( $variables ) {
  $form = $variables['form'];
  $rows = array();
  foreach ( element_children( $form[ 'content' ] ) as $id ) {
    $form[ 'content' ][ $id ][ 'weight' ][ '#attributes' ][ 'class' ] = array( 'fulcrm-campaign-content-item-weight' );
    $rows[] = array( 'data' => array( drupal_render( $form[ 'content' ][ $id ][ 'title' ] ),
                                      drupal_render( $form[ 'content' ][ $id ][ 'weight' ] ),
                                      ),
                     'class' => array( 'draggable' ),
                     );
  }
  $header = array( t('Title'), t('Weight') );
  $output = theme( 'table', array( 'header' => $header, 'rows' => $rows, 'attributes' => array( 'id' => 'fulcrm-campaign-content-items-table' ) ) );
  $output .= drupal_render_children( $form );
  drupal_add_tabledrag( 'fulcrm-campaign-content-items-table', 'order', 'sibling', 'fulcrm-campaign-content-item-weight' );

  return $output;
}

function fulcrm_campaign_admin_campaign_edit( $fcid ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_edit_form', $fcid );
}

function fulcrm_campaign_admin_campaign_view_form_submit( $form, &$form_state ) {
  $batch = array( 'title' => t('Building Content'),
                  'operations' => array(),
                  'finished' => 'fulcrm_campaign_batch_campaign_view_finished',
                  );
  $fcid = intval( $form_state[ 'values' ][ 'fcid' ] );
  $counter = 0;

  // clear out this campaign's queue and related content
  $qquery = db_select( 'fms_queue' )->fields( 'fms_queue', array( 'qid' ) )->condition( 'fcid', $fcid );
  foreach ( $qquery->execute() as $row ) {
    db_delete( 'fms_queue2content' )->condition( 'qid', $row->qid )->execute();
    db_delete( 'fms_variable' )->condition( 'qid', $row->qid )->execute();
  }
  db_delete( 'fms_queue' )->condition( 'fcid', $fcid )->execute();
  db_delete( 'fms_content' )->condition( 'fcid', $fcid )->execute();
  db_update( 'fms_campaign' )->condition( 'fcid', $fcid )->fields( array( 'status' => null ) )->execute();

  $themes = variable_get( 'fms_theme_cache' );
  $theme = $themes[ $form_state[ 'values' ][ 'theme' ] ];
  $module = $theme[ '#batch_module' ];
  $hook = $theme[ '#batch_hook' ];
  $args = $theme[ '#batch_arguments' ];

  $nids = array();
  $query = db_select( 'fulcrm_campaign_node' )->fields( 'fulcrm_campaign_node', array( 'nid' ) )->condition( 'fulcrm_campaign_node.fcid', $fcid )->orderBy( 'fulcrm_campaign_node.weight' );
  foreach ( $query->execute() as $row )
    $nids[] = $row->nid;

  $headers = fulcrm_campaign_create_headers();

  foreach ( module_invoke( $module, $hook, $fcid, $headers, $nids, $args ) as $operation ) {
    $batch[ 'operations' ][] = array( 'fulcrm_campaign_batch_campaign', array( $fcid, $counter++, $operation[ '#module' ], $operation[ '#hook' ], $operation[ '#args' ] ) );
  }
  $batch[ 'operations' ][] = array( 'fulcrm_campaign_batch_campaign_last', array( $fcid ) );
  
  batch_set( $batch );
}

function fulcrm_campaign_admin_campaign_view_form_submit_template( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    $tid = intval( $form_state[ 'values' ][ 'template' ] );
    fulcrm_campaign_create_campaign_variables_from_template( $fcid, $tid );
    drupal_set_message( 'Template variables preloaded.' );
  }
}

function fulcrm_campaign_admin_campaign_view_form_submit_save( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    foreach ( $form_state[ 'values' ] as $name => $value ) {
      if ( substr( $name , 0, 9 ) === 'variable_' )
        db_update( 'fulcrm_campaign_variable_value' )
            ->condition( 'fcid', $fcid )
            ->condition( 'name', substr( $name, 9 ) )
            ->fields( array( 'value' => $value ) )->execute();
    }
    module_invoke_all( 'fulcrm_campaign_prepared', $fcid );
    drupal_set_message( 'Variables saved.' );
  }
}

function fulcrm_campaign_admin_campaign_view_form_submit_new( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    db_insert( 'fulcrm_campaign_variable_value' )->fields( array( 'fcid' => $fcid,
                                                                  'name' => $form_state[ 'values' ][ 'new' ],
                                                                  'value' => '' ) )->execute();
    drupal_set_message( 'Variable added.' );
  }
}

function fulcrm_campaign_admin_campaign_view_form( $form, &$form_state, $fcid ) {
  $form[ 'fcid' ] = array( '#type' => 'hidden',
                           '#value' => $fcid,
                           );
  
  $form[ 'variables' ] = array( '#type' => 'fieldset',
                                '#title' => 'Mailshot Variables',
                                );

  $templates = array( 0 => '' );
  $query = db_select( 'fulcrm_campaign_variable_template' )->fields( 'fulcrm_campaign_variable_template', array( 'tid', 'name' ) )->orderBy( 'fulcrm_campaign_variable_template.name' );
  foreach ( $query->execute() as $row ) {
    $templates[ $row->tid ] = check_plain( $row->name );
  }

  $form[ 'variables' ][ 'template' ] = array( '#type' => 'select',
                                              '#title' => 'Load from template',
                                              '#options' => $templates,
                                              );
  $form[ 'variables' ][ 'template_submit' ] = array( '#type' => 'submit',
                                                     '#value' => t('Use Template'),
                                                     '#description' => t('Preload variables from this template.'),
                                                     '#submit' => array( 'fulcrm_campaign_admin_campaign_view_form_submit_template' ), // If no javascript action.
                                                     /*
                                                       '#ajax' => array(
                                                       'callback' => 'poll_choice_js',
                                                       'wrapper' => 'poll-choices',
                                                       'method' => 'replace',
                                                       'effect' => 'fade',
                                                       ),
                                                     */
                                                     );

  $form[ 'variables' ][ 'values' ] = array( '#type' => 'fieldset',
                                            '#title' => 'Current Values',
                                            );

  $query = db_select( 'fulcrm_campaign_variable_value' )->fields( 'fulcrm_campaign_variable_value', array( 'name', 'value' ) )->condition( 'fulcrm_campaign_variable_value.fcid', $fcid )->orderBy( 'fulcrm_campaign_variable_value.name' );
  foreach ( $query->execute() as $row ) {
    $form[ 'variables' ][ 'values' ][ 'variable_' . $row->name ] = array( '#type' => 'textfield',
                                                                          '#title' => check_plain( $row->name ),
                                                                          '#default_value' => $row->value,
                                                                          );
  }
  $form[ 'variables' ][ 'values' ][ 'save' ] = array( '#type' => 'submit',
                                                      '#value' => 'Save Variables',
                                                      '#submit' => array( 'fulcrm_campaign_admin_campaign_view_form_submit_save' ),
                                                      );


  $form[ 'variables' ][ 'new' ] = array( '#type' => 'textfield',
                                         '#title' => 'New Variable Name',
                                         );
  $form[ 'variables' ][ 'new_submit' ] = array( '#type' => 'submit',
                                                '#value' => t('Add Variable'),
                                                '#description' => t('Add a new variable to this template.'),
                                                '#submit' => array( 'fulcrm_campaign_admin_campaign_view_form_submit_new' ),
                                                );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Sync to fulcrm'),
                                          );

  return $form;

}

function fulcrm_campaign_admin_campaign_view( $fcid ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_view_form', $fcid );
}

function _fulcrm_campaign_admin_campaign_sync_build( $fcid, $fetch = false, $errors = false, $quick = false ) {
  global $user;

  $campaign = array( 'd' => array() );

  if ( $fetch ) {
    $campaign_id = fulcrm_webhook_get_pk_for_entity_type( 'fulcrm_campaign', $fcid, 'campaign' );
    if ( $campaign_id ) {
      $api_data = fulcrm_apiv2_GET( 'campaign/' . $campaign_id . '/',
                                     $query = array( 'expand' => implode( ',', array( 'd',
                                                                                      ) ) ) );

      if ( $api_data[ 'success' ] ) {
        $campaign = $api_data[ 'data' ];
      } else {
        if ( $errors )
          drupal_set_message( t('Error fetching existing campaign data from fulcrm.'), 'error', FALSE );
      }
    } else {
      if ( $errors )
        drupal_set_message( t('This campaign has never been synced with fulcrm before.'), 'warning', FALSE );
    }
  }

  $query = db_select( 'fulcrm_campaign' )->fields( 'fulcrm_campaign', array( 'fcid', 'name', 'subject') )->condition( 'fulcrm_campaign.fcid', $fcid );
  foreach ( $query->execute() as $row ) {
    $campaign[ 'name' ] = $row->name;
    $campaign[ 'subject' ] = $row->subject;
  }

  $campaign[ 'd' ][ 'name' ] = $campaign[ 'name' ];

  $query = db_select( 'fulcrm_campaign_variable_value' )
       ->fields( 'fulcrm_campaign_variable_value', array( 'name', 'value' ) )
       ->condition( 'fulcrm_campaign_variable_value.fcid', $fcid )
       ->orderBy( 'fulcrm_campaign_variable_value.name' );
  foreach ( $query->execute() as $row ) {
    $campaign[ $row->name ] = $row->value;
  }

  if ( $quick ) {
    $campaign[ 'd' ][ 'fms_content' ] = '...Drupal content data goes here...';
    $campaign[ 'd' ][ 'fms_content_list' ] = '...Drupal content references go here...';
  } else {
    $old_user = $user;
    $user = user_load( variable_get( 'fulcrm_uid', 0 ) );

    $fms_content = array();

    $query = db_select( 'fulcrm_campaign_node' )
         ->fields( 'fulcrm_campaign_node', array( 'nid' ) )
         ->condition( 'fulcrm_campaign_node.fcid', $fcid )
         ->orderBy( 'fulcrm_campaign_node.weight' );
    foreach ( $query->execute() as $row ) {
      $node = node_load( $row->nid );
      $node_view = node_view( $node, 'full' );

      $node_data = array( 'title' => $node->title,
                          //'date' => $node->date,
                          //'node_url' => $node->url,
                          //'submitted' => $submitted,
                          //'nid' => $node->nid,
                          //'type' => $node->type,
                          ( 'is_node_type_' . $node->type . '?' ) => true,
                          );

      $fms_content[ 'node_' . $node->nid ] = $node_data;
      $campaign[ $row->name ] = $row->value;
    }

    $campaign[ 'd' ][ 'fms_content' ] = $fms_content;
    $campaign[ 'd' ][ 'fms_content_list' ] = array_keys( $fms_content );

    $user = $old_user;
  }

  return $campaign;
}

function fulcrm_campaign_admin_campaign_sync_form_submit( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    $campaign = _fulcrm_campaign_admin_campaign_sync_build( $fcid );

    $campaign_id = fulcrm_webhook_get_pk_for_entity_type( 'fulcrm_campaign', $fcid, 'campaign' );
    if ( $campaign_id ) {
      $api_data = fulcrm_apiv2_PATCH( 'campaign/' . $campaign_id . '/', $campaign, $query = array( 'expand' => 'd' ) );
    } else {
      $api_data = fulcrm_apiv2_POST( 'campaign/', $campaign, $query = array( 'expand' => 'd' ) );

      if ( $api_data[ 'success' ] ) {
        $url = $api_data[ 'headers' ][ 'Location' ];
        $fulcrm_type = fulcrm_apiv2_url_to_type( $url );
        $fulcrm_pk = fulcrm_apiv2_url_to_pk( $url );

        fulcrm_webhook_set_mapping( 'fulcrm_campaign', 'fulcrm_campaign', $fcid, $fulcrm_type, $fulcrm_pk );
      }
    }

    if ( $api_data[ 'success' ] ) {
      drupal_set_message( 'Campaign ' . $fcid . ' synced to fulcrm.', 'status', FALSE );
    } else {
      drupal_set_message( 'Campaign ' . $fcid . ' could not be synced to fulcrm.', 'error', FALSE );
    }
  }
}

function _fulcrm_campaign_admin_array_copy( array $array ) {
  $result = array();
  foreach ( $array as $key => $val ) {
    if ( is_array( $val ) ) {
        $result[ $key ] = _fulcrm_campaign_admin_array_copy( $val );
    } elseif ( is_object( $val ) ) {
        $result[ $key ] = clone $val;
    } else {
        $result[ $key ] = $val;
    }
  }
  return $result;
}

function fulcrm_campaign_admin_campaign_sync_form( $form, &$form_state, $fcid ) {
  $form[ 'fcid' ] = array( '#type' => 'hidden',
                           '#value' => $fcid,
                           );

  $campaign = _fulcrm_campaign_admin_campaign_sync_build( $fcid, $fetch = true, $errors = true, $quick = true );

  $form[ 'obj' ] = array( '#type' => 'markup',
                          '#markup' => '<pre>' . check_plain( print_r( $campaign, 1 ) ) . '</pre>',
                          );    

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Sync to fulcrm'),
                                          );

  return $form;
}

function fulcrm_campaign_admin_campaign_sync( $fcid = 0 ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_sync_form', $fcid );
}

function fulcrm_campaign_admin_campaign_delete_form_submit( $form, &$form_state ) {
  if ( $fcid = intval( $form_state[ 'values' ][ 'fcid' ] ) ) {
    db_delete( 'fulcrm_campaign_variable_value' )->condition( 'fcid', $fcid )->execute();
    db_delete( 'fulcrm_campaign' )->condition( 'fcid', $fcid )->execute();
    drupal_set_message( t('Campaign deleted.'), 'status', FALSE );
  }
  $form_state[ 'redirect' ] = 'admin/content/fulcrm/campaign';
}

function fulcrm_campaign_admin_campaign_delete_form( $form, &$form_state, $fcid ) {
  $form[ 'fcid' ] = array( '#type' => 'hidden',
                           '#value' => $fcid,
                           );
  
  $query = db_select( 'fulcrm_campaign' )->fields( 'fulcrm_campaign', array( 'fcid', 'name' ) )->condition( 'fulcrm_campaign.fcid', $fcid );
  foreach ( $query->execute() as $row )
    $name = $row->name;

  $form[ 'confirm' ] = array( '#title' => 'Are you sure?',
                              '#type' => 'item',
                              '#markup' => 'This will delete the campaign <em>' . check_plain( $name ) . '</em>. There is no way to "undo" this operation!  Also note that this will not delete any campaign it has created in fulcrm.',
                              );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Delete'),
                                          );
  $form[ 'actions' ][ 'cancel' ] = array( '#type' => 'link',
                                          '#href' => 'admin/content/fulcrm/campaign',
                                          '#title' => 'Cancel',
                                          );
  return $form;

}

function fulcrm_campaign_admin_campaign_delete( $fcid ) {
  return drupal_get_form( 'fulcrm_campaign_admin_campaign_delete_form', $fcid );
}

function fulcrm_campaign_admin_config_template_form( $form, &$form_state ) {
  $header = array( array( 'data' => t('Template'), 'field' => 'fulcrm_campaign_variable_template.name' ),
                   array( 'data' => t('Actions') ),
                   );

  $query = db_select( 'fulcrm_campaign_variable_template' )->fields( 'fulcrm_campaign_variable_template', array( 'tid', 'name' ) )->extend( 'TableSort' );
  $result = $query->orderByHeader( $header )->execute();
  
  $rows = array();
  foreach ( $result as $row ) {
    $rows[ $row->tid ] = array( array( 'data' => $row->name ),
                                array( 'data' => '<a href="' . url('admin/config/services/fulcrm/campaign/template/' . $row->tid) . '/edit">edit</a>' ),
                                );
  }
  
  $form[ 'tablesort_table' ] = array( '#theme' => 'table',
                                      '#header' => $header,
                                      '#rows' => $rows,
                                      '#empty' => t('No templates found.'),
                                      '#attributes' => array(),
                                      );
  return $form;
}

function fulcrm_campaign_admin_config_template() {
  return drupal_get_form( 'fulcrm_campaign_admin_config_template_form' );
}

function fulcrm_campaign_admin_config_template_add_form_submit( $form, &$form_state ) {
  if ( $form_state[ 'values' ][ 'name' ] ) {
    $tid = db_insert( 'fulcrm_campaign_variable_template' )->fields( array( 'name' => $form_state[ 'values' ][ 'name' ]) )->execute();
    drupal_set_message( t('Template created!') );
    drupal_goto( 'admin/config/services/fulcrm/campaign/template/' . $tid . '/edit' );
  }
}

function fulcrm_campaign_admin_config_template_add_form( $form, &$form_state ) {
  $form[ 'name' ] = array( '#type' => 'textfield',
                           '#title' => 'Template Name',
                           );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Add'),
                                          );
  
  return $form;
}

function fulcrm_campaign_admin_config_template_add() {
  return drupal_get_form( 'fulcrm_campaign_admin_config_template_add_form' );
}

function fulcrm_campaign_admin_config_template_edit_form_submit( $form, &$form_state ) {
  if ( $tid = intval( $form_state[ 'values' ][ 'tid' ] ) ) {
    db_update( 'fulcrm_campaign_variable_template' )->condition( 'tid', $tid )->fields( array( 'name' => $form_state[ 'values' ][ 'name' ],
                                                                                   ) )->execute();

    foreach ( $form_state[ 'values' ] as $name => $value ) {
      if ( substr( $name , 0, 9 ) === 'variable_' )
        db_update( 'fulcrm_campaign_template_value' )->condition( 'tid', $tid )->condition( 'name', substr( $name, 9 ) )->fields( array( 'value' => $value,
                                                                                                                                      ) )->execute();
    }

    drupal_set_message( 'Template updated.' );    
  }
}

function fulcrm_campaign_admin_config_template_edit_form_submit_new( $form, &$form_state ) {
  if ( $tid = intval( $form_state[ 'values' ][ 'tid' ] ) ) {
    db_insert( 'fulcrm_campaign_template_value' )->fields( array( 'tid' => $tid,
                                                                  'name' => $form_state[ 'values' ][ 'new' ],
                                                                  'value' => '' ) )->execute();
    drupal_set_message( 'Variable added.' );
  }
}

function fulcrm_campaign_admin_config_template_edit_form( $form, &$form_state, $tid ) {
  $form[ 'tid' ] = array( '#type' => 'hidden',
                          '#value' => $tid,
                          );

  $template_name = '';
  $query = db_select( 'fulcrm_campaign_variable_template' );
  $query->condition( 'fulcrm_campaign_variable_template.tid', $tid );
  $query->fields( 'fulcrm_campaign_variable_template', array( 'name' ) );
  foreach ( $query->execute() as $row )
    $template_name = $row->name;

  $form[ 'name' ] = array( '#type' => 'textfield',
                           '#title' => 'Template Name',
                           '#default_value' => $template_name,
                           );

  $form[ 'variables' ] = array( '#type' => 'fieldset',
                                '#title' => 'Variables',
                                );

  $query = db_select( 'fulcrm_campaign_template_value' )->fields( 'fulcrm_campaign_template_value', array( 'name', 'value' ) )->condition( 'fulcrm_campaign_template_value.tid', $tid )->orderBy( 'fulcrm_campaign_template_value.name' );
  foreach ( $query->execute() as $row ) {
    $form[ 'variables' ][ 'values' ][ 'variable_' . $row->name ] = array( '#type' => 'textfield',
                                                                          '#title' => check_plain( $row->name ),
                                                                          '#default_value' => $row->value,
                                                                          );
  }

  $form[ 'variables' ][ 'new' ] = array( '#type' => 'textfield',
                                         '#title' => 'New Variable Name',
                                         );
  $form[ 'variables' ][ 'new_submit' ] = array( '#type' => 'submit',
                                                '#value' => t('Add Variable'),
                                                '#description' => t('Add a new variable to this template.'),
                                                '#submit' => array( 'fulcrm_campaign_admin_config_template_edit_form_submit_new' ),
                                                );

  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Save'),
                                          );
  
  return $form;
}

function fulcrm_campaign_admin_config_template_edit( $tid = 0 ) {
  return drupal_get_form( 'fulcrm_campaign_admin_config_template_edit_form', $tid );
}

function fulcrm_campaign_admin_config_settings_form_submit( $form, &$form_state ) {
  drupal_set_message( t('The fulcrm Campaign settings have been saved.') );
}

function fulcrm_campaign_admin_config_settings_form( $form, &$form_state ) {
  $form[ 'actions' ] = array( '#type' => 'actions' );
  $form[ 'actions' ][ 'submit' ] = array( '#type' => 'submit',
                                          '#value' => t('Save'),
                                          );
  
  return $form;
}

function fulcrm_campaign_admin_config_settings() {
  return drupal_get_form( 'fulcrm_campaign_admin_config_settings_form' );
}