Form_Frontend_Output_Handler::render_form_content( awsmug\Torro_Forms\DB_Objects\Forms\Form $form, awsmug\Torro_Forms\DB_Objects\Submissions\Submission|null $submission = null )

	protected function render_form_content( $form, $submission = null ) {
		$prefix = $this->form_manager->get_prefix();

		/**
		 * Filters whether a user can access a specific form, and optionally submission.
		 *
		 * @since 1.0.0
		 *
		 * @param bool|Error      $can_access_form Whether a user can access the form. Can be an error object to show a specific message to the user.
		 * @param Form            $form            Form object.
		 * @param Submission|null $submission      Submission object, or null if no submission is set.
		 */
		$can_access_form = apply_filters( "{$prefix}can_access_form", true, $form, $submission );

		if ( is_wp_error( $can_access_form ) ) {
			$this->print_notice( $can_access_form->get_error_message() );
			return;
		}

		if ( ! $can_access_form ) {
			$message = $submission ? __( 'You are not allowed to access this form submission.', 'torro-forms' ) : __( 'You are not allowed to access this form.', 'torro-forms' );
			$this->print_notice( $message );
			return;
		}

		if ( $submission && 'completed' === $submission->status ) {
			/**
			 * Filters the success message to display once a form submission has been completed.
			 *
			 * @since 1.0.0
			 *
			 * @param string $success_message Success message. Default 'Thank you for submitting!'.
			 * @param int    $form_id         Form ID.
			 */
			$success_message = apply_filters( "{$prefix}form_submission_success_message", __( 'Thank you for submitting!', 'torro-forms' ), $form->id );

			$this->print_notice( $success_message, 'success' );
			return;
		}

		$container = $this->get_current_container( $form, $submission );
		if ( ! $container ) {
			$this->print_notice( __( 'No container exists for this form.', 'torro-forms' ), 'error' );
			return;
		}

		$this->maybe_print_form_error( $form );

		if ( $submission ) {
			$this->maybe_print_submission_errors( $submission );
		}

		$template_data = $form->to_json( false );

		$template_data['hidden_fields'] = '<input type="hidden" name="torro_submission[nonce]" value="' . wp_create_nonce( $this->get_nonce_action( $form, $submission ) ) . '">';
		$template_data['hidden_fields'] .= '<input type="hidden" name="torro_submission[form_id]" value="' . esc_attr( $form->id ) . '">';
		if ( $submission ) {
			$template_data['hidden_fields'] .= '<input type="hidden" name="torro_submission[id]" value="' . esc_attr( $submission->id ) . '">';
		}
		if ( ! is_archive() && in_the_loop() && (int) get_the_ID() !== $form->id ) {
			$template_data['hidden_fields'] .= '<input type="hidden" name="torro_submission[original_form_id]" value="' . esc_attr( get_the_ID() ) . '">';
		}

		/**
		 * Filters the CSS class to use for every button for a form in the frontend.
		 *
		 * @since 1.0.0
		 *
		 * @param string $button_class Button CSS class. Default 'torro-button'.
		 */
		$button_class = apply_filters( "{$prefix}form_button_class", 'torro-button' );

		$template_data['navigation'] = array();
		if ( $this->has_next_container( $form, $submission ) ) {
			/**
			 * Filters the label for the Next button for a form in the frontend.
			 *
			 * @since 1.0.0
			 *
			 * @param string $next_button_label Next button label. Default 'Next Step'.
			 * @param int    $form_id           Form ID.
			 */
			$next_button_label = apply_filters( "{$prefix}form_button_next_step_label", _x( 'Next Step', 'button label', 'torro-forms' ), $form->id );

			$template_data['navigation']['next_button'] = array(
				'label' => $next_button_label,
				'attrs' => array(
					'type'  => 'submit',
					'name'  => 'torro_submission[action]',
					'value' => 'next',
					'class' => $button_class,
				),
			);
		} else {
			/**
			 * Filters the label for the Submit button for a form in the frontend.
			 *
			 * @since 1.0.0
			 *
			 * @param string $submit_button_label Submit button label. Default 'Submit'.
			 * @param int    $form_id             Form ID.
			 */
			$submit_button_label = apply_filters( "{$prefix}form_button_submit_label", _x( 'Submit', 'button label', 'torro-forms' ), $form->id );

			/**
			 * Filters the CSS class to use for a primary button for a form in the frontend.
			 *
			 * @since 1.0.0
			 *
			 * @param string $button_primary_class Primary button CSS class. Default 'torro-button-primary'.
			 */
			$button_primary_class = apply_filters( "{$prefix}form_button_primary_class", 'torro-button-primary' );

			$submit_button_before = '';
			if ( has_action( "{$prefix}form_submit_button_before" ) ) {
				ob_start();

				/**
				 * Allows to print additional content before the Submit button for a form in the frontend.
				 *
				 * @since 1.0.0
				 *
				 * @param int $form_id Form ID.
				 */
				do_action( "{$prefix}form_submit_button_before", $form->id );

				$submit_button_before = ob_get_clean();
			}

			$submit_button_after = '';
			if ( has_action( "{$prefix}form_submit_button_after" ) ) {
				ob_start();

				/**
				 * Allows to print additional content after the Submit button for a form in the frontend.
				 *
				 * @since 1.0.0
				 *
				 * @param int $form_id Form ID.
				 */
				do_action( "{$prefix}form_submit_button_after", $form->id );

				$submit_button_after = ob_get_clean();
			}

			$template_data['navigation']['submit_button'] = array(
				'label'  => $submit_button_label,
				'attrs'  => array(
					'type'  => 'submit',
					'name'  => 'torro_submission[action]',
					'value' => 'submit',
					'class' => $button_class . ' ' . $button_primary_class,
				),
				'before' => $submit_button_before,
				'after'  => $submit_button_after,
			);
		}
		if ( $this->has_previous_container( $form, $submission ) ) {
			/**
			 * Filters the label for the Previous button for a form in the frontend.
			 *
			 * @since 1.0.0
			 *
			 * @param string $prev_button_label Previous button label. Default 'Previous Step'.
			 * @param int    $form_id           Form ID.
			 */
			$prev_button_label = apply_filters( "{$prefix}form_button_prev_step_label", _x( 'Previous Step', 'button label', 'torro-forms' ), $form->id );

			$template_data['navigation']['prev_button'] = array(
				'label' => $prev_button_label,
				'attrs' => array(
					'type'  => 'submit',
					'name'  => 'torro_submission[action]',
					'value' => 'prev',
					'class' => $button_class,
				),
			);
		}

		$template_data['current_container'] = $container->to_json( false );

		$container_collection = $form->get_containers( array(
			'number'        => 2,
			'no_found_rows' => true,
		) );

		$show_container_title = $container_collection->get_total() > 1;

		/**
		 * Filters whether the container title should be displayed on the frontend.
		 *
		 * @since 1.0.0
		 *
		 * @param bool $show_container_title Whether to show the title. Default is true if the current form has multiple containers,
		 *                                   or false otherwise.
		 * @param int  $form_id              Form ID.
		 * @param int  $container_id         Container ID.
		 */
		if ( ! apply_filters( "{$prefix}form_container_show_title", $show_container_title, $form->id, $container->id ) ) {
			$template_data['current_container']['label'] = '';
		}

		$template_data['current_container']['elements'] = array();
		foreach ( $container->get_elements() as $element ) {
			$template_data['current_container']['elements'][] = $element->to_json( false, $submission );
		}

		if ( $submission && $submission->has_errors() ) {
			$submission->reset_errors();
			$submission->sync_upstream();
		}

		$this->form_manager->template()->get_partial( 'form', $template_data );
	}