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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
 * Hustle_Icontact_Form_Hooks
 *
 * @package Hustle
 */

/**
 * Class Hustle_iContact_Form_Hooks
 * Define the form hooks that are used by iContact
 *
 * @since 4.0
 */
class Hustle_Icontact_Form_Hooks extends Hustle_Provider_Form_Hooks_Abstract {

	/**
	 * Add iContact data to entry.
	 *
	 * @since 4.0
	 *
	 * @param array $submitted_data Submitted data.
	 * @return array
	 * @throws Exception Required fields are missed.
	 */
	public function add_entry_fields( $submitted_data ) {

		$addon                  = $this->addon;
		$module_id              = $this->module_id;
		$form_settings_instance = $this->form_settings_instance;

		/**
		 * Filter submitted form data to be processed
		 *
		 * @since 4.0
		 *
		 * @param array                                    $submitted_data
		 * @param int                                      $module_id                current module_id
		 * @param Hustle_Icontact_Form_Settings            $form_settings_instance
		 */
		$submitted_data = apply_filters(
			'hustle_provider_icontact_form_submitted_data',
			$submitted_data,
			$module_id,
			$form_settings_instance
		);

		$addon_setting_values = $form_settings_instance->get_form_settings_values();

		try {

			if ( empty( $submitted_data['email'] ) ) {
				throw new Exception( __( 'Required Field "email" was not filled by the user.', 'hustle' ) );
			}

			$list_id                 = $addon_setting_values['list_id'];
			$status                  = 'pending' === $addon_setting_values['auto_optin'] ? 'pending' : 'normal';
			$confirmation_message_id = ! empty( $addon_setting_values['confirmation_message_id'] ) ? $addon_setting_values['confirmation_message_id'] : 0;

			$submitted_data  = $this->check_legacy( $submitted_data );
			$global_multi_id = $addon_setting_values['selected_global_multi_id'];

			$app_id   = $addon->get_setting( 'app_id', '', $global_multi_id );
			$username = $addon->get_setting( 'username', '', $global_multi_id );
			$password = $addon->get_setting( 'password', '', $global_multi_id );

			$is_sent       = false;
			$member_status = __( 'Member could not be subscribed.', 'hustle' );

			$api = $addon::api( $app_id, $password, $username );
			if ( is_wp_error( $api ) ) {
				$details = __( 'There was an error connecting to your account. Please make sure your credentials are correct.', 'hustle' );
			} else {
				$email      = $submitted_data['email'];
				$merge_vals = array();

				if ( isset( $submitted_data['first_name'] ) ) {
					$merge_vals['firstName'] = $submitted_data['first_name'];
				}
				if ( isset( $submitted_data['last_name'] ) ) {
					$merge_vals['lastName'] = $submitted_data['last_name'];
				}

				// Add extra fields.
				$extra_data = array_diff_key(
					$submitted_data,
					array(
						'email'      => '',
						'first_name' => '',
						'last_name'  => '',
					)
				);
				$extra_data = array_filter( $extra_data );

				if ( ! empty( $extra_data ) ) {
					$custom_fields = array();
					$module        = new Hustle_Module_Model( $module_id );
					$form_fields   = $module->get_form_fields();
					foreach ( $extra_data as $key => $value ) {
						$type            = isset( $form_fields[ $key ] ) ? $this->get_field_type( $form_fields[ $key ]['type'] ) : 'text';
						$custom_fields[] = array(
							'name' => $key,
							'type' => $type,
						);
					}

					$addon->add_custom_fields( $custom_fields, $api );
					$merge_vals = array_merge( $merge_vals, $extra_data );
				}

				$existing_member = $this->get_subscriber(
					$addon,
					array(
						'api'     => $api,
						'list_id' => $addon_setting_values['list_id'],
						'email'   => $submitted_data['email'],
					)
				);

				if ( $existing_member ) {

					// ---------------------------------------------------------
					// Omitting Icontact update method
					// ---------------------------------------------------------
					//
					// Icontact api doesn't have a proper updating function.
					// Supplying data to an "update" endpoint will delete all the
					// previously submitted data and adds the new ones, thus
					// resulting in data loss.
					// We're omitting the update function here and just sending a message.
					// This also means that we show a "Data not sent" message on the
					// email list's log for icontact integration.

					$details = __( 'This email address has already subscribed.', 'hustle' );

				} else {

					$subscribe_data = array(
						'email'  => $email,
						'status' => 'normal',
					);

					$subscribe_data = array_merge( $subscribe_data, $merge_vals );

					/**
					 * Fires before adding subscriber
					 *
					 * @since 4.0.2
					 *
					 * @param int    $module_id
					 * @param array  $submitted_data
					 * @param object $form_settings_instance
					 */
					do_action(
						'hustle_provider_icontact_before_add_subscriber',
						$module_id,
						$submitted_data,
						$form_settings_instance
					);

					$response = $api->add_subscriber( $list_id, $subscribe_data, $status, $confirmation_message_id );

					/**
					 * Fires after adding subscriber
					 *
					 * @since 4.0.2
					 *
					 * @param int    $module_id
					 * @param array  $submitted_data
					 * @param mixed  $response
					 * @param object $form_settings_instance
					 */
					do_action(
						'hustle_provider_icontact_after_add_subscriber',
						$module_id,
						$submitted_data,
						$response,
						$form_settings_instance
					);

					if ( is_wp_error( $response ) ) {
						$details = $response->get_error_message();
					} else {
						$is_sent = true;
						$details = __( 'Successfully added or updated member on iContact list', 'hustle' );
					}
				}
			}

			$utils              = Hustle_Provider_Utils::get_instance();
			$last_data_received = $utils->get_last_data_received( false );

			// Response is a JSON so we need to pharse it first.
			if ( ! empty( $last_data_received['body'] ) ) {
				$last_data_received = json_decode( $last_data_received['body'], true );

				// If the member is new iContact return [subscriptions] if it already exists
				// than ['contacts'].
				if ( ! empty( $last_data_received['subscriptions'][0]['status'] ) ) {
					$member_status = $last_data_received['subscriptions'][0]['status'];
				} elseif ( ! empty( $last_data_received['contacts'][0]['status'] ) ) {
					$member_status = $last_data_received['contacts'][0]['status'];
				}
			}

			$entry_fields = array(
				array(
					'name'  => 'status',
					'value' => array(
						'is_sent'       => $is_sent,
						'description'   => $details,
						'member_status' => $member_status,
					),
				),
			);

		} catch ( Exception $e ) {
			$entry_fields = $this->exception( $e );
		}

		if ( ! empty( $addon_setting_values['list_name'] ) ) {
			$entry_fields[0]['value']['list_name'] = $addon_setting_values['list_name'];
		}
		if ( 'pending' === $status && ! empty( $addon_setting_values['confirmation_message_name'] ) ) {
			$entry_fields[0]['value']['confirmation_message_name'] = $addon_setting_values['confirmation_message_name'];
		}

		$entry_fields = apply_filters(
			'hustle_provider_' . $addon->get_slug() . '_entry_fields',
			$entry_fields,
			$module_id,
			$submitted_data,
			$form_settings_instance
		);

		return $entry_fields;
	}

	/**
	 * Unsubscribe
	 *
	 * @param string $email Email.
	 */
	public function unsubscribe( $email ) {
		$addon                  = $this->addon;
		$form_settings_instance = $this->form_settings_instance;
		$addon_setting_values   = $form_settings_instance->get_form_settings_values();
		$list_id                = $addon_setting_values['list_id'];
		$global_multi_id        = $addon_setting_values['selected_global_multi_id'];
		$app_id                 = $addon->get_setting( 'app_id', '', $global_multi_id );
		$username               = $addon->get_setting( 'username', '', $global_multi_id );
		$password               = $addon->get_setting( 'password', '', $global_multi_id );
		try {
			$api = $addon::api( $app_id, $password, $username );
			$api->delete_email( $list_id, $email );
		} catch ( Exception $e ) {
			Opt_In_Utils::maybe_log( $addon->get_slug(), 'unsubscribtion is failed', $e->getMessage() );
		}
	}

	/**
	 * Check whether the email is already subscribed.
	 *
	 * @since 4.0
	 *
	 * @param array $submitted_data Submitted data.
	 * @param bool  $allow_subscribed Allow already subscribed.
	 * @return bool
	 */
	public function on_form_submit( $submitted_data, $allow_subscribed = true ) {

		$is_success             = true;
		$module_id              = $this->module_id;
		$form_settings_instance = $this->form_settings_instance;
		$addon                  = $this->addon;
		$addon_setting_values   = $form_settings_instance->get_form_settings_values();

		if ( empty( $submitted_data['email'] ) ) {
			return __( 'Required Field "email" was not filled by the user.', 'hustle' );
		}

		if ( ! $allow_subscribed ) {

			/**
			 * Filter submitted form data to be processed
			 *
			 * @since 4.0
			 *
			 * @param array                                    $submitted_data
			 * @param int                                      $module_id                current module_id
			 * @param Hustle_Icontact_Form_Settings            $form_settings_instance
			 */
			$submitted_data = apply_filters(
				'hustle_provider_icontact_form_submitted_data_before_validation',
				$submitted_data,
				$module_id,
				$form_settings_instance
			);

			// triggers exception if not found.
			$global_multi_id = $addon_setting_values['selected_global_multi_id'];
			$app_id          = $addon->get_setting( 'app_id', '', $global_multi_id );
			$username        = $addon->get_setting( 'username', '', $global_multi_id );
			$password        = $addon->get_setting( 'password', '', $global_multi_id );
			$api             = $addon::api( $app_id, $password, $username );

			$existing_member = $this->get_subscriber(
				$addon,
				array(
					'api'     => $api,
					'list_id' => $addon_setting_values['list_id'],
					'email'   => $submitted_data['email'],
				)
			);

			if ( $existing_member ) {
				$is_success = self::ALREADY_SUBSCRIBED_ERROR;
			}
		}

		/**
		 * Return `true` if success, or **(string) error message** on fail
		 *
		 * @since 4.0
		 *
		 * @param bool                                     $is_success
		 * @param int                                      $module_id                current module_id
		 * @param array                                    $submitted_data
		 * @param Hustle_Icontact_Form_Settings $form_settings_instance
		 */
		$is_success = apply_filters(
			'hustle_provider_icontact_form_submitted_data_after_validation',
			$is_success,
			$module_id,
			$submitted_data,
			$form_settings_instance
		);

		// process filter.
		if ( true !== $is_success ) {
			// only update `submit_form_error_message` when not empty.
			if ( ! empty( $is_success ) ) {
				$this->submit_form_error_message = (string) $is_success;
			}
			return $is_success;
		}

		return true;
	}

	/**
	 * Get subscriber for providers
	 *
	 * This method is to be inherited
	 * And extended by child classes.
	 *
	 * Make use of the property `$subscriber`
	 * Method to omit double api calls
	 *
	 * @since 4.0.2
	 *
	 * @param object $api Api.
	 * @param mixed  $data Data.
	 * @return mixed array/object API response on queried subscriber
	 */
	protected function get_subscriber( $api, $data ) {

		if ( empty( $this->subscriber ) && ! isset( $this->subscriber[ md5( $data['email'] ) ] ) ) {
			$this->subscriber[ md5( $data['email'] ) ] = $api->is_subscribed( $data['api'], $data['list_id'], $data['email'] );
		}

		return $this->subscriber[ md5( $data['email'] ) ];
	}

	/**
	 * Get supported fields
	 *
	 * This method is to be inherited
	 * and extended by child classes.
	 *
	 * List the fields supported by the
	 * provider
	 *
	 * @since 4.1
	 *
	 * @param string $type hustle field type.
	 * @return string Api field type
	 */
	protected function get_field_type( $type ) {

		switch ( $type ) {
			case 'datepicker':
				$type = 'date';
				break;
			case 'number':
			case 'phone':
				$type = 'number';
				break;
			default:
				$type = 'text';
				break;
		}

		return $type;
	}
}