<?php

GFForms::include_feed_addon_framework();

class GFBentoAddOn extends GFFeedAddOn {

	protected $_version = GF_BENTO_ADDON_VERSION;
	protected $_min_gravityforms_version = '1.9.12';
	protected $_slug = 'gf-bento';
	protected $_path = 'gf-bento/gravity-forms.php';
	protected $_full_path = __FILE__;
	protected $_title = 'Add-On for Gravity Forms + Bento';
	protected $_short_title = 'Bento';
	protected $_baseurl =  'https://bentonow.com';
	protected $_apiurl = 'https://app.bentonow.com/api/v1/batch/events';

	private static $_instance = null;

	public static function get_instance() {
		
		if ( self::$_instance == null ) {
			self::$_instance = new GFBentoAddOn();
		}

		return self::$_instance;
		
	}

	public function init() {

		parent::init();

		$this->add_delayed_payment_support(
			array(
				'option_label' => esc_html__( 'Subscribe contact to Bento only when payment is received.', 'gf-bento-addon' )
			)
		);
		
	}

	public function process_feed( $feed, $entry, $form ) {
		
		$feedName  = $feed['meta']['feed_name'];
		$tags  = $feed['meta']['feed_tags'];

		$field_map = $this->get_field_map_fields( $feed, 'mapped_fields' );
		$merge_vars = array();

		foreach ( $field_map as $name => $field_id ) {

			$merge_vars[ $name ] = $this->get_field_value( $form, $entry, $field_id );

		}

		$email = $merge_vars['email'];
		$first_name = $merge_vars['first_name'];
		$last_name = $merge_vars['last_name'];
			
		$response = $this->subscribe( '$subscribe', $email, $first_name, $last_name, $tags );
		
		if( $response != 200 ) {

			$this->add_feed_error( 'Bento subscription failed. Response code ' . $response, $feed, $entry, $form );
			
		} else {

			$this->add_note( $entry['id'], 'Subscribed to Bento via ' . $feedName );

		}

	}
	
	private function subscribe( $event, $email, $first_name, $last_name, $tags ) {
		
		$settings = $this->get_plugin_settings();
		$site_key = rgar( $settings, 'bento_site_key' );
		$pub_key = rgar( $settings, 'bento_pub_key' );
		$sec_key = rgar( $settings, 'bento_sec_key' );
		
		$events = array(
			array(
				'email' => $email,
				'type' => '$subscribe',
				'fields' => array(
					'first_name' => $first_name,
					'last_name' => $last_name
				)
			)
		);
		
		if( $tags ) {
			
			$tags = explode( ',', $tags );
			
			foreach( $tags as $tag ) {
			
				$events[] = array(
					'email' => $email,
					'type' => '$tag',
					'details' => array(
						'tag' => $tag
					)
				);
			
			}
			
		}
		
		$data = [
		  'site_uuid' => $site_key,
		  'events' => $events		  
		];
		
		$data = apply_filters( 'gf_bento_event_data', $data );
		
		$args = array(
			'body' => json_encode( $data ),
			'data_format' => 'body',
			'timeout' => '5',
			'redirection' => '5',
			'httpversion' => '1.0',
			'blocking' => true,
			'headers' => array(
				'Authorization' => 'Basic ' . base64_encode( $pub_key . ':' . $sec_key ),
				'Content-Type' => 'application/json'
			),
		);

		$response = wp_remote_post( $this->_apiurl, $args );
		
		return $response['response']['code'];
	 
	}
	
	public function plugin_settings_fields() {
		return array(
			array(
				'title'  => esc_html__( 'Bento Add-On Settings', 'gf-rejoiner-addon' ),
				'fields' => array(
					array(
						'name'    => 'bento_site_key',
						'tooltip' => esc_html__( 'Site key from Bento control panel', 'gf-bento-addon' ),
						'label'   => esc_html__( 'Site Key', 'gf-bento-addon' ),
						'type'    => 'text',
						'class'   => 'small',
					),
					array(
						'name'    => 'bento_pub_key',
						'tooltip' => esc_html__( 'Publishable key from Bento control panel', 'gf-bento-addon' ),
						'label'   => esc_html__( 'Publishable Key', 'gf-bento-addon' ),
						'type'    => 'text',
						'class'   => 'small',
					),
					array(
						'name'    => 'bento_sec_key',
						'tooltip' => esc_html__( 'Secret key from Bento control panel', 'gf-bento-addon' ),
						'label'   => esc_html__( 'Secret Key', 'gf-bento-addon' ),
						'type'    => 'text',
						'class'   => 'small',
					)
				),
			),
		);
	}

	public function feed_settings_fields() {
		return array(
			array(
				'title'  => esc_html__( 'Bento Feed Settings', 'gf-bento-addon' ),
				'fields' => array(
					array(
						'label'   => esc_html__( 'Feed name', 'gf-bento-addon' ),
						'type'    => 'text',
						'name'    => 'feed_name',
						'tooltip' => esc_html__( 'This is the name of the feed', 'gf-bento-addon' ),
						'class'   => 'small',
					),
					array(
						'label'   => esc_html__( 'Tags', 'gf-bento-addon' ),
						'type'    => 'text',
						'name'    => 'feed_tags',
						'tooltip' => esc_html__( 'Comma separated list of tags for this feed', 'gf-bento-addon' ),
					),
					array(
						'name'      => 'mapped_fields',
						'label'     => esc_html__( 'Map Fields', 'gf-bento-addon' ),
						'type'      => 'field_map',
						'field_map' => array(
							array(
								'name'       => 'email',
								'label'      => esc_html__( 'Email', 'gf-bento-addon' ),
								'required'   => 1,
								'field_type' => array( 'email', 'hidden' ),
							),
							array(
								'name'     => 'first_name',
								'label'    => esc_html__( 'First Name', 'gf-bento-addon' ),
								'required' => 0,
							),
							array(
								'name'     => 'last_name',
								'label'    => esc_html__( 'Last Name', 'gf-bento-addon' ),
								'required' => 0,
							),
						),
					),
					array(
						'name'           => 'condition',
						'label'          => esc_html__( 'Condition', 'gf-bento-addon' ),
						'type'           => 'feed_condition',
						'checkbox_label' => esc_html__( 'Enable Condition', 'gf-bento-addon' ),
						'instructions'   => esc_html__( 'Process this feed if', 'gf-bento-addon' ),
					),
				),
			),
		);
	}

	public function feed_list_columns() {
		return array(
			'feed_name'  => esc_html__( 'Name', 'gf-bento-addon' ),
			'feed_tags'  => esc_html__( 'Tags', 'gf-bento-addon' )
		);
	}

	public function can_create_feed() {
		
		$settings = $this->get_plugin_settings();
		$site_key = rgar( $settings, 'bento_site_key' );
		$pub_key = rgar( $settings, 'bento_pub_key' );
		$sec_key = rgar( $settings, 'bento_sec_key' );
		
		if( $site_key && $pub_key && $sec_key )
			return true;
		else
			return false;

	}

}