refactor: removes v1 from the host setting (#59)

README.md

@@ -1,6 +1,8 @@
 # go-client-codegen
 
-go-client-codegen is an automatically code generated Aiven Go Client. It is generated from the Aiven API specification.
+`go-client-codegen` is an automatically code generated Aiven Go Client from the Aiven API specification.
+
+_Warning:_ this client is under heavy development.
 
 ## Setup
 

client.go

@@ -52,11 +52,13 @@ func NewClient(opts ...Option) (Client, error) {
 		return nil, errTokenIsRequired
 	}
 
+	// Removes trailing / so it is easier later Host + URL
+	d.Host = strings.TrimSuffix(d.Host, "/")
 	return newClient(d), nil
 }
 
 type aivenClient struct {
-	Host      string `envconfig:"AIVEN_WEB_URL" default:"https://api.aiven.io/v1"`
+	Host      string `envconfig:"AIVEN_WEB_URL" default:"https://api.aiven.io"`
 	UserAgent string `envconfig:"AIVEN_USER_AGENT" default:"aiven-go-client/v3"`
 	Token     string `envconfig:"AIVEN_TOKEN"`
 	Debug     bool   `envconfig:"AIVEN_DEBUG"`

client_test.go

@@ -43,7 +43,7 @@ func TestNewClient(t *testing.T) {
 func TestServiceCreate(t *testing.T) {
 	// Creates a test server
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		require.Equal(t, "/project/foo/service", r.URL.Path)
+		require.Equal(t, "/v1/project/foo/service", r.URL.Path)
 
 		// Validates request
 		expectIn := new(service.ServiceCreateIn)

generator/main.go

@@ -20,9 +20,9 @@ import (
 )
 
 const (
-	generatedHeader = "Code generated by Aiven. DO NOT EDIT."
-	versionIDParam  = `/{version_id:latest|\d+}`
-	configPrefix    = "GEN"
+	generatedHeader   = "Code generated by Aiven. DO NOT EDIT."
+	configPrefix      = "GEN"
+	defaultAPIVersion = "v1"
 )
 
 type config struct {
@@ -34,7 +34,10 @@ type config struct {
 	OpenAPIFile string `envconfig:"OPENAPI_FILE" default:"openapi.json"`
 }
 
-var pathClean = regexp.MustCompile(`\{[^{]+}`)
+var (
+	pathClean      = regexp.MustCompile(`\{[^{]+}`)
+	pathVersioning = regexp.MustCompile(`^/v[0-9]/`)
+)
 
 func main() {
 	err := exec()
@@ -84,6 +87,10 @@ func exec() error {
 				continue
 			}
 
+			if !pathVersioning.MatchString(path) {
+				path = fmt.Sprintf("/%s%s", defaultAPIVersion, path)
+			}
+
 			p.Path = path
 			p.Method = strings.ToUpper(meth)
 			p.ID = p.OperationID