/**
 * Force pricing fields to show in forms when filling out on Gravity Flow pages.
 *
 * If `$_GET['view'] == 'entry'`, Gravity Forms will show "Pricing fields are not editable."
 * See \GPNF_GravityFlow::enable_editing_pricing_field in gp-nested-forms/includes/class-gpnf-gravityflow.php line 220
 *
 * @param string                $input    Input tag string.
 * @param \GP_Nested_Form_Field $field    Current field object.
 * @param string                $value    Pre-populated value.
 * @param int                   $entry_id Current entry id.
 * @param int                   $form_id  Current form id.
 *
 * @return string
 */

add_filter(
    'gform_field_input',
    function ( $input, $field, $value, $entry_id, $form_id ) {
		// Only process if no input has been set yet and we're in entry view
		if ( ! empty( $input ) || rgget( 'view' ) !== 'entry' ) {
			return $input;
		}

		// Only apply to your specific workflow form(s)
		$workflow_form_ids = [ 5 ];
		if ( ! in_array( intval( $form_id ), $workflow_form_ids, true ) ) {
			return $input;
		}

		// Only process if this is a Gravity Flow context
		if ( rgget( 'page' ) !== 'gravityflow-inbox' ) {
			return $input;
		}

		// Override pricing field restriction
		if ( GFCommon::is_pricing_field( $field->type ) ) {
			$form  = GFAPI::get_form( $form_id );
			$entry = $entry_id ? GFAPI::get_entry( $entry_id ) : null;

			// Return the actual field input instead of the "not editable" message
			return $field->get_field_input( $form, $value, $entry );
		}

		return $input;
	},
    10,
    5
);