package main

import (
	//"fmt"
	//"io/ioutil"

	"github.com/z7zmey/php-parser/node"
	"github.com/z7zmey/php-parser/node/stmt"
	//"github.com/z7zmey/php-parser/walker"
)

func normaliseAltCb(n_ *node.Node) error {

	switch n := (*n_).(type) {
	case *stmt.AltIf:
		// Build replacement node
		ifStmt := stmt.NewIf(n.Cond, n.Stmt, n.ElseIf, n.Else)
		ifStmt.FreeFloating = n.FreeFloating
		ifStmt.Position = n.Position
		// ifStmt has no .Attributes prop

		*n_ = ifStmt

	case *stmt.AltElse:
		elseStmt := stmt.NewElse(n.Stmt)
		elseStmt.FreeFloating = n.FreeFloating
		elseStmt.Position = n.Position

		*n_ = elseStmt

	case *stmt.AltElseIf:
		elifStmt := stmt.NewElseIf(n.Cond, n.Stmt)
		elifStmt.FreeFloating = n.FreeFloating
		elifStmt.Position = n.Position

		*n_ = elifStmt

	default:
		// no change
	}

	return nil // always
}