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

/**
 * Class Hustle_Get_Response_Form_Hooks
 * Define the form hooks that are used by Get_Response
 *
 * @since 4.0
 */
class Hustle_Get_Response_Form_Hooks extends Hustle_Provider_Form_Hooks_Abstract {

	/**
	 * Existing contact ID.
	 *
	 * @var string
	 */
	private $existing_member;

	/**
	 * Add Get_Response 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_Get_Response_Form_Settings        $form_settings_instance
		 */
		$submitted_data       = apply_filters(
			'hustle_provider_get_response_form_submitted_data',
			$submitted_data,
			$module_id,
			$form_settings_instance
		);
		$addon_setting_values = $form_settings_instance->get_form_settings_values();

		try {
			$global_multi_id = $addon_setting_values['selected_global_multi_id'];
			$api_key         = $addon->get_setting( 'api_key', '', $global_multi_id );
			$api             = $addon::api( $api_key );

			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'];

			$submitted_data = $this->check_legacy( $submitted_data );

			$email = $submitted_data['email'];

			$name = array();
			if ( ! empty( $submitted_data['name'] ) ) {
				$name['name'] = $submitted_data['name'];
			}
			if ( ! empty( $submitted_data['first_name'] ) ) {
				$name['first_name'] = $submitted_data['first_name'];
			}
			if ( ! empty( $submitted_data['last_name'] ) ) {
				$name['last_name'] = $submitted_data['last_name'];
			}

			$new_data = array(
				'email'      => $email,
				'dayOfCycle' => apply_filters( 'hustle_optin_get_response_cycle', '0' ),
				'campaign'   => array(
					'campaignId' => $list_id,
				),
				'ipAddress'  => Opt_In_Geo::get_user_ip(),
			);

			if ( count( $name ) ) {
				$new_data['name'] = implode( ' ', $name );
			}

			// Extra fields.
			$extra_data    = array_diff_key(
				$submitted_data,
				array(
					'email'      => '',
					'name'       => '',
					'first_name' => '',
					'last_name'  => '',
				)
			);
			$extra_data    = array_filter( $extra_data );
			$is_sent       = false;
			$member_status = __( 'Member could not be subscribed.', 'hustle' );

			if ( ! empty( $extra_data ) ) {
				$new_data['customFieldValues'] = array();

				$cf = $api->get_custom_fields();

				if ( is_wp_error( $cf ) ) {
					throw new Exception( $cf->get_error_message() );
				}

				$custom_fields = wp_list_pluck( $cf, 'name', 'customFieldId' );
				$phone_fields  = array_filter(
					wp_list_pluck( $cf, 'type', 'name' ),
					function ( $var ) {
						return 'phone' === $var;
					}
				);
				$module        = new Hustle_Module_Model( $module_id );
				$form_fields   = $module->get_form_fields();

				foreach ( $extra_data as $key => $value ) {
					$key = strtolower( str_replace( array( '-', '_' ), '', $key ) );

					if ( in_array( $key, $custom_fields, true ) ) {
						$custom_field_id = array_search( $key, $custom_fields, true );
					} else {
						$type         = isset( $form_fields[ $key ] ) ? $this->get_field_type( $form_fields[ $key ]['type'] ) : 'text';
						$custom_field = array(
							'name'   => $key,
							'type'   => $type,
							'hidden' => false,
							'values' => array(),
						);

						$custom_field_id = $api->add_custom_field( $custom_field );
						if ( is_wp_error( $custom_field_id ) ) {
							throw new Exception( $custom_field_id->get_error_message() );
						}
					}

					if ( in_array( $key, $phone_fields, true ) ) {
						$value = $this->filter_phone_number( $value );

						if ( empty( $value ) ) {
							// If the phone number is probably wrong than we skip sending it to GetResponse.
							$details = __( 'Member was added without the phone number.', 'hustle' );
							continue;
						}
					}

					$new_data['customFieldValues'][] = array(
						'customFieldId' => $custom_field_id,
						'value'         => array( $value ),
					);
				}
			}

			/**
			 * 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_get_response_before_add_subscriber',
				$module_id,
				$submitted_data,
				$form_settings_instance
			);

			if ( $this->existing_member ) {
				$res = $api->update_contact( $this->existing_member, $new_data );
			} else {
				$res = $api->subscribe( $new_data );
			}

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

			if ( is_wp_error( $res ) ) {
				$error_code    = $res->get_error_code();
				$error_message = $res->get_error_message( $error_code );

				if ( preg_match( '%Conflict%', $error_message ) ) {
					$details = __( 'This email address has already subscribed.', 'hustle' );
				} else {
					$details = $res->get_error_message();
				}
			} else {
				$details       = ( ! empty( $details ) ) ? $details : __( 'Successfully added or updated member on Get_Response list', 'hustle' );
				$is_sent       = true;
				$details       = $details;
				$member_status = __( 'OK', 'hustle' );
			}

			$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'];
		}

		$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'];
		try {
			$api = $addon::api( $addon->get_setting( 'api_key', '', $global_multi_id ) );
			$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' );
		}

		/**
		 * Filter submitted form data to be processed
		 *
		 * @since 4.0
		 *
		 * @param array                                    $submitted_data
		 * @param int                                      $module_id                current module_id
		 * @param Hustle_Get_Response_Form_Settings $form_settings_instance
		 */
		$submitted_data = apply_filters(
			'hustle_provider_get_response_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'];
		$api_key               = $addon->get_setting( 'api_key', '', $global_multi_id );
		$api                   = $addon::api( $api_key );
		$args                  = array(
			'email'   => $submitted_data['email'],
			'list_id' => $addon_setting_values['list_id'],
		);
		$this->existing_member = $this->get_subscriber( $api, $args );

		if ( $this->existing_member && ! $allow_subscribed ) {
			$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_Get_Response_Form_Settings $form_settings_instance
		 */
		$is_success = apply_filters(
			'hustle_provider_get_response_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 ) {
		$key = md5( wp_json_encode( $data ) );
		if ( empty( $this->subscriber ) && ! isset( $this->subscriber[ $key ] ) ) {
			$this->subscriber[ $key ] = $api->get_contact( $data );
		}
		return $this->subscriber[ $key ];
	}

	/**
	 * 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 'url':
				break;
			default:
				$type = 'text';
				break;
		}

		return $type;
	}

	/**
	 * Checks if phone number is proably correct.
	 *
	 * @param string $value Value.
	 * @return string
	 */
	private function filter_phone_number( $value ) {
		// We remove unnsesary letters.
		$value = preg_replace( '/[^+0-9]/', '', $value );

		if ( strpos( $value, '+' ) === false || ! ( strlen( $value ) >= 5 && strlen( $value ) < 16 ) ) {
			return null;
		}

		return $value;
	}

}
