add handler for config file. Generate one if none is present

config.go

@@ -19,9 +19,28 @@ func str2int(strnum string) int {
 	return i
 }
 
+func configStat(configFile string) string{
+	xdgConfigPath := os.Getenv("XDG_CONFIG_HOME")
+	if xdgConfigPath == "" {
+		xdgConfigPath = os.Getenv("HOME")+"/.config"
+	}
+	configFile = xdgConfigPath + "/gostations/" + configFile
+
+	if _, err := os.Stat(configFile); errors.Is(err, os.ErrNotExist) {
+		log.Printf("Your stations config file seems to be missing. A default will be generated.")
+		err = createIniFile(configFile)
+		if err != nil {
+			log.Printf("Erorr creating ini file...")
+			log.Fatal(err.Error())
+		}
+	}
+	return configFile
+}
+
 func Config(option string) (string, error) {
 	configparser.Delimiter = "="
-	configFile := "radiostations.ini"
+	configFile := configStat("radiostations.ini")
+
 	runtimeSection := "DEFAULT"
 
 	config, err := configparser.Read(configFile)
@@ -59,4 +78,4 @@ func options() string {
 func maxitems() int {
 	items, _ := Config("menu_items.max")
 	return str2int(items)
-}
+}

filer.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+)
+
+func createDir(fpath string) error {
+	if err := os.Mkdir(filepath.Dir(fpath + string(filepath.Separator)), 0770); err != nil {
+		return err
+	}
+	return nil
+}
+
+func createIniFile(fpath string) error {
+	log.Printf("Creating config file: %s\n", fpath)
+	if err := os.MkdirAll(filepath.Dir(fpath), 0770); err != nil {
+		return err
+	}
+
+	file, err := os.Create(fpath)
+	if err != nil {
+		log.Fatal(err.Error())
+		return err
+	}
+
+	_, err = file.Write([]byte("[DEFAULT]\n"))
+	_, err = file.Write([]byte("radio_browser.api=all.api.radio-browser.info\n"))
+	_, err = file.Write([]byte("player.command=mpv\n"))
+	_, err = file.Write([]byte("player.options=--no-video\n"))
+	_, err = file.Write([]byte("menu_items.max=9999\n"))
+
+	defer file.Close()
+
+	return err
+}