From 76791cefc7ab80a770e3ff45e3395130a7bde499 Mon Sep 17 00:00:00 2001
From: Thomas Limoncelli <tlimoncelli@stackoverflow.com>
Date: Tue, 25 Nov 2025 17:54:44 -0500
Subject: [PATCH] wip!

---
 pkg/domaintags/idn.go      | 29 +++++++++++++
 pkg/rtypecontrol/import.go | 89 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 pkg/domaintags/idn.go
 create mode 100644 pkg/rtypecontrol/import.go

diff --git a/pkg/domaintags/idn.go b/pkg/domaintags/idn.go
new file mode 100644
index 000000000..28cbcfde5
--- /dev/null
+++ b/pkg/domaintags/idn.go
@@ -0,0 +1,29 @@
+package domaintags
+
+import "golang.org/x/net/idna"
+
+func EfficientToASCII(name string) string {
+	nameIDN, err := idna.ToASCII(name)
+	if err != nil {
+		return name // Fallback to raw name on error.
+	} else {
+		// Avoid pointless duplication.
+		if nameIDN == name {
+			return name
+		}
+	}
+	return nameIDN
+}
+
+func EfficientToUnicode(name string) string {
+	nameUnicode, err := idna.ToUnicode(name)
+	if err != nil {
+		return name // Fallback to raw name on error.
+	} else {
+		// Avoid pointless duplication.
+		if nameUnicode == name {
+			return name
+		}
+	}
+	return nameUnicode
+}
diff --git a/pkg/rtypecontrol/import.go b/pkg/rtypecontrol/import.go
new file mode 100644
index 000000000..65efd3688
--- /dev/null
+++ b/pkg/rtypecontrol/import.go
@@ -0,0 +1,89 @@
+package rtypecontrol
+
+import (
+	"fmt"
+
+	"github.com/StackExchange/dnscontrol/v4/models"
+	"github.com/StackExchange/dnscontrol/v4/pkg/domaintags"
+	"github.com/miekg/dns/dnsutil"
+)
+
+// ImportRawRecords imports the RawRecordConfigs into RecordConfigs.
+func ImportRawRecords(domains []*models.DomainConfig) error {
+
+	for _, dc := range domains {
+		for _, rawRec := range dc.RawRecords {
+
+			// Create as much of the RecordConfig as we can now. Allow New() to fill in the reset.
+			rec := &models.RecordConfig{
+				Type:     rawRec.Type,
+				TTL:      rawRec.TTL,
+				Metadata: stringifyMetas(rawRec.Metas),
+				//FilePos:  models.FixPosition(rawRec.FilePos),
+			}
+
+			setRecordNames(rec, dc, rawRec.Args[0].(string))
+
+			// Fill in the .F/.Fields* fields.
+			err := Func[rawRec.Type].FromArgs(rec, rawRec.Args)
+			if err != nil {
+				return err
+			}
+
+			// Free memeory:
+			clear(rawRec.Args)
+			rawRec.Args = nil
+
+			dc.Records = append(dc.Records, rec)
+		}
+		dc.RawRecords = nil
+	}
+
+	return nil
+}
+
+func stringifyMetas(metas []map[string]any) map[string]string {
+	result := make(map[string]string)
+	for _, m := range metas {
+		for mk, mv := range m {
+			if v, ok := mv.(string); ok {
+				result[mk] = v // Already a string. No new malloc.
+			} else {
+				result[mk] = fmt.Sprintf("%v", mv)
+			}
+		}
+	}
+	return result
+}
+
+func setRecordNames(rec *models.RecordConfig, dc *models.DomainConfig, n string) {
+
+	if rec.SubDomain == "" {
+		// Not _EXTEND() mode:
+		if rec.Name == "@" {
+			rec.NameRaw = rec.Name
+			rec.Name = rec.Name
+		} else {
+			rec.Name = domaintags.EfficientToASCII(n)
+			rec.NameRaw = n
+			rec.Name = domaintags.EfficientToUnicode(n)
+		}
+		rec.NameFQDN = dnsutil.AddOrigin(rec.Name, dc.Name)
+		rec.NameFQDNRaw = dnsutil.AddOrigin(rec.NameRaw, dc.NameRaw)
+		rec.NameFQDNUnicode = dnsutil.AddOrigin(rec.NameUnicode, dc.NameUnicode)
+	} else {
+		// _EXTEND() mode:
+		// FIXME(tlim): Not implemented.
+		if rec.Name == "@" {
+			rec.NameRaw = rec.Name
+			rec.Name = rec.Name
+		} else {
+			rec.Name = domaintags.EfficientToASCII(n)
+			rec.NameRaw = n
+			rec.Name = domaintags.EfficientToUnicode(n)
+		}
+		rec.NameFQDN = dnsutil.AddOrigin(rec.Name, dc.Name)
+		rec.NameFQDNRaw = dnsutil.AddOrigin(rec.NameRaw, dc.NameRaw)
+		rec.NameFQDNUnicode = dnsutil.AddOrigin(rec.NameUnicode, dc.NameUnicode)
+	}
+}