From 968bdc925dbae165e7e09cd0acc833bb3e8d46aa Mon Sep 17 00:00:00 2001
From: Helmut Merz <helmutm@cy55.de>
Date: Thu, 1 Jun 2023 17:13:17 +0200
Subject: [PATCH] provide basic Context interface and StartFct for components

---
 common/common.go         |  6 ++++++
 config/config.go         | 28 +++++++++++++++++++++-------
 examples/demo/etc/etc.go |  6 +++---
 scopes.go                | 12 ++++++++++--
 tests/etc/etc.go         |  6 +++---
 5 files changed, 43 insertions(+), 15 deletions(-)
 create mode 100644 common/common.go

diff --git a/common/common.go b/common/common.go
new file mode 100644
index 0000000..2d5eed1
--- /dev/null
+++ b/common/common.go
@@ -0,0 +1,6 @@
+package common
+
+type Context interface {
+}
+
+type StartFct = func(Context)
diff --git a/config/config.go b/config/config.go
index c0915ea..d07108a 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,37 +1,51 @@
 package config
 
+import "git.sr.ht/~cco/go-scopes/common"
+
 type Cfg struct {
-	*BaseConfig
+	*Base
 	ConfigFormat string
 }
 
+func Start(ctx common.Context) {
+}
+
 // definitions
 
 type Config interface {
 	Name() string
+	Starter() common.StartFct
 	Children() []Config
 	Add(Config)
 }
 
-type BaseConfig struct {
+type Base struct {
 	name     string
+	starter  common.StartFct
 	children []Config
 }
 
-func (cfg *BaseConfig) Name() string {
+func (cfg *Base) Name() string {
 	return cfg.name
 }
 
-func (cfg *BaseConfig) Children() []Config {
+func (cfg *Base) Starter() common.StartFct {
+	return cfg.starter
+}
+
+func (cfg *Base) Children() []Config {
 	return cfg.children
 }
 
-func (cfg *BaseConfig) Add(child Config) {
+func (cfg *Base) Add(child Config) {
 	cfg.children = append(cfg.children, child)
 }
 
-func MakeBase(name string) *BaseConfig {
-	return &BaseConfig{name: name}
+func MakeBase(name string, starter common.StartFct) *Base {
+	return &Base{
+		name:    name,
+		starter: starter,
+	}
 }
 
 func Setup(cfg Config) Config {
diff --git a/examples/demo/etc/etc.go b/examples/demo/etc/etc.go
index 06caba4..030d4b0 100644
--- a/examples/demo/etc/etc.go
+++ b/examples/demo/etc/etc.go
@@ -8,10 +8,10 @@ import (
 func Config() config.Config {
 	b := config.MakeBase
 	cfg := scopes.Cfg{
-		BaseConfig: b("dummy"),
-		AppType:    "standard",
+		Base:    b("dummy", scopes.Start),
+		AppType: "standard",
 	}
-	cfg.Add(config.Cfg{b("config"), "etc"})
+	cfg.Add(config.Cfg{b("config", config.Start), "etc"})
 	return &cfg
 }
 
diff --git a/scopes.go b/scopes.go
index 43f0b94..14b21f7 100644
--- a/scopes.go
+++ b/scopes.go
@@ -1,12 +1,20 @@
 package scopes
 
-import "git.sr.ht/~cco/go-scopes/config"
+import (
+	"git.sr.ht/~cco/go-scopes/common"
+	"git.sr.ht/~cco/go-scopes/config"
+)
 
 type Cfg struct {
-	*config.BaseConfig
+	*config.Base
 	AppType string
 }
 
+func Start(ctx common.Context) {
+}
+
+// definitions
+
 func RunApp(cfg config.Config) {
 	_ = cfg
 }
diff --git a/tests/etc/etc.go b/tests/etc/etc.go
index 0f4795b..957f8e5 100644
--- a/tests/etc/etc.go
+++ b/tests/etc/etc.go
@@ -8,10 +8,10 @@ import (
 func Config() config.Config {
 	b := config.MakeBase
 	cfg := scopes.Cfg{
-		BaseConfig: b("dummy"),
-		AppType:    "standard",
+		Base:    b("dummy", scopes.Start),
+		AppType: "standard",
 	}
-	cfg.Add(config.Cfg{b("config"), "etc"})
+	cfg.Add(config.Cfg{b("config", config.Start), "etc"})
 	return &cfg
 }