<?php
namespace MailPoet\Models;

if(!defined('ABSPATH')) exit;

class Segment extends Model {
  static $_table = MP_SEGMENTS_TABLE;

  function __construct() {
    parent::__construct();

    $this->addValidations('name', array(
      'required' => __('You need to specify a name.')
    ));
  }

  function subscribers() {
    return $this->has_many_through(
      __NAMESPACE__.'\Subscriber',
      __NAMESPACE__.'\SubscriberSegment',
      'segment_id',
      'subscriber_id'
    );
  }

  function newsletters() {
    return $this->has_many_through(
      __NAMESPACE__.'\Newsletter',
      __NAMESPACE__.'\NewsletterSegment',
      'segment_id',
      'newsletter_id'
    );
  }

  static function search($orm, $search = '') {
    return $orm->where_like('name', '%'.$search.'%');
  }

  static function groups() {
    return array(
      array(
        'name' => 'all',
        'label' => __('All'),
        'count' => Segment::count()
      )
    );
  }

  static function group($orm, $group = null) {
  }

  static function createOrUpdate($data = array()) {
    $segment = false;

    if(isset($data['id']) && (int)$data['id'] > 0) {
      $segment = self::findOne((int)$data['id']);
    }

    if($segment === false) {
      $segment = self::create();
      $segment->hydrate($data);
    } else {
      unset($data['id']);
      $segment->set($data);
    }

    $saved = $segment->save();

    if($saved === true) {
      return true;
    } else {
      $errors = $segment->getValidationErrors();
      if(!empty($errors)) {
        return $errors;
      }
    }
    return false;
  }

  static function trash($listing) {
    return $listing->getSelection()->deleteMany();
  }
}