implemented general help

internal/cli/cli.go

@@ -8,35 +8,37 @@ import (
 
 type ProgramFunction func() error
 type Program struct {
-	Name        string
-	Function    ProgramFunction
-	Description string
+	Name             string
+	Function         ProgramFunction
+	ShortDescription string
 }
 
-var HelpHeader = `Meow
-Ze
-Dong`
+var HelpHeader = `This is the help page of transfem-startpage.
+transfem-startpage {program} {...args}
+The following Programs are available:`
 var Programs = []Program{
 	{
-		Name:        "help",
-		Function:    Help,
-		Description: "get more information on how the cli or a program works",
+		Name:             "help",
+		ShortDescription: "get more information on how the cli in general or a specific program works",
 	},
 	{
-		Name:        "start",
-		Function:    Start,
-		Description: "start the webserver",
+		Name:             "start",
+		Function:         Start,
+		ShortDescription: "start the webserver",
 	},
 	{
-		Name:        "cache",
-		Function:    Cache,
-		Description: "do something with the cache",
+		Name:             "cache",
+		Function:         Cache,
+		ShortDescription: "do something with the cache",
 	},
 }
 
 func Cli() {
 	fmt.Println("running transfem startpage")
 
+	// getting around initialization cycle
+	Programs[0].Function = Help
+
 	programName := "help"
 	if len(os.Args) > 1 {
 		programName = os.Args[1]

internal/cli/help.go

@@ -1,8 +1,21 @@
 package cli
 
-import "log"
+import (
+	"fmt"
+	"log"
+)
+
+func generalHelp() error {
+	fmt.Println()
+	fmt.Println(HelpHeader)
+	for _, p := range Programs {
+		fmt.Println(" - " + p.Name + ":\t" + p.ShortDescription)
+	}
+	return nil
+}
 
 func Help() error {
 	log.Println("running help")
-	return nil
+
+	return generalHelp()
 }