add server configuration

kontor-gin/internal/config/config.go

@@ -8,6 +8,53 @@ import (
 	"github.com/spf13/viper"
 )
 
+var (
+	CfgFile   string
+	Verbose   int
+	Overwrite bool
+	Config    CliConfig
+)
+
+type Server struct {
+	Url      string `mapstructure:"url"`
+	Username string `mapstructure:"username"`
+	Password string `mapstructure:"password"`
+}
+
+type CliConfig struct {
+	Server map[string]Server `mapstructure:"server"`
+}
+
+func InitCliConfig() {
+	slog.Info("InitCliConfig")
+	if CfgFile != "" {
+		viper.SetConfigFile(CfgFile)
+	} else {
+		viper.SetConfigName("kli") // without extension
+		viper.SetConfigType("yaml")
+		viper.AddConfigPath(".") // look for config in working directory
+		viper.AddConfigPath("/home/tpeetz/.config")
+	}
+
+	// Read the configuration file
+	if err := viper.ReadInConfig(); err != nil {
+		// Handle the case where config file is not found
+		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
+			slog.Info("No config file found, using defaults")
+			if err := viper.SafeWriteConfig(); err != nil {
+				slog.Info("error writing config file", "error", err.Error())
+			}
+		} else {
+			slog.Info("error reading config file", "error", err.Error())
+		}
+	} else {
+		slog.Info("initConfig", "Using config file: ", viper.ConfigFileUsed())
+		if err := viper.Unmarshal(&Config); err != nil {
+			slog.Info("parsing of config file failed", "error", err.Error())
+		}
+	}
+}
+
 func InitConfig() error {
 	viper.SetDefault("db.host", "localhost")
 	viper.SetDefault("db.port", 5432)
@@ -20,7 +67,7 @@ func InitConfig() error {
 	viper.SetConfigName("kontor-gin")
 	viper.SetConfigType("yaml")
 	viper.AddConfigPath(".")
-	viper.AddConfigPath("$HOME/.config")
+	viper.AddConfigPath("/home/tpeetz/.config")
 	viper.AddConfigPath("/etc/kontor")
 	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	viper.AutomaticEnv()
@@ -30,11 +77,16 @@ func InitConfig() error {
 		// Handle the case where config file is not found
 		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
 			slog.Info("No config file found, using defaults")
-			return nil
+			if err := viper.SafeWriteConfig(); err != nil {
+				slog.Info("error writing config file", "error", err.Error())
+				return fmt.Errorf("error writing config file: %w", err)
+			}
+		} else {
+			return fmt.Errorf("error reading config file: %w", err)
 		}
-		return fmt.Errorf("error reading config file: %w", err)
+	} else {
+		slog.Info("initConfig", "Using config file: ", viper.ConfigFileUsed())
 	}
 
-	slog.Info("initConfig", "Using config file: ", viper.ConfigFileUsed())
 	return nil
 }