add config for windows

config/config.go

@@ -1,9 +1,6 @@
 package config
 
 import (
-	"errors"
-	"os"
-	"path/filepath"
 	"sync"
 )
 
@@ -13,30 +10,9 @@ type config struct {
 	SysHostFile string
 }
 
-func New() *config {
-	homeDir, err := os.UserHomeDir()
-	if err != nil {
-		panic(err)
-	}
-	baseDir := filepath.Join(homeDir, ".gohost")
-	_, err = os.Stat(baseDir)
-	if err != nil {
-		if errors.Is(err, os.ErrNotExist) {
-			if err = os.MkdirAll(baseDir, os.ModePerm); err != nil {
-				panic(err)
-			}
-		} else {
-			panic(err)
-		}
-	}
-	dbFile := filepath.Join(baseDir, "gohost.db")
-	sysHostFile := "/etc/hosts"
-	return &config{
-		BaseDir:     baseDir,
-		DBFile:      dbFile,
-		SysHostFile: sysHostFile,
-	}
-}
+const (
+	name = "gohost"
+)
 
 var (
 	cfg  *config

config/unix.go

@@ -0,0 +1,24 @@
+//go:build linux || darwin
+
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func New() *config {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		panic(err)
+	}
+	baseDir := filepath.Join(homeDir, ".local", "share", name)
+	if err = os.MkdirAll(baseDir, os.ModePerm); err != nil {
+		panic(err)
+	}
+	return &config{
+		BaseDir:     baseDir,
+		DBFile:      filepath.Join(baseDir, "gohost.db"),
+		SysHostFile: "/etc/hosts",
+	}
+}

config/windows.go

@@ -0,0 +1,24 @@
+//go:build windows
+
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func New() *config {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		panic(err)
+	}
+	baseDir := filepath.Join(homeDir, name)
+	if err = os.MkdirAll(baseDir, os.ModePerm); err != nil {
+		panic(err)
+	}
+	return &config{
+		BaseDir:     baseDir,
+		DBFile:      filepath.Join(baseDir, "gohost.db"),
+		SysHostFile: "C:\\Windows\\System32\\drivers\\etc\\hosts",
+	}
+}