setting using default vkey

getters.go

@@ -143,6 +143,8 @@ func (c *ConfigManager) GetStringSlice(key string) []string {
 		}
 	}
 	switch val := v.Value.(type) {
+	case []string:
+		return val
 	case []any:
 		var ret []string
 		for _, v := range val {
@@ -200,6 +202,8 @@ func (c *ConfigManager) GetIntSlice(key string) []int {
 		}
 	}
 	switch val := v.Value.(type) {
+	case []int:
+		return val
 	case []any:
 		var ret []int
 		for _, v := range val {

jety.go

@@ -41,7 +41,10 @@ type (
 	}
 )
 
-var ErrConfigFileNotFound = errors.New("config File Not Found")
+var (
+	ErrConfigFileNotFound = errors.New("config file not found")
+	ErrConfigFileEmpty    = errors.New("config file is empty")
+)
 
 func NewConfigManager() *ConfigManager {
 	cm := ConfigManager{}
@@ -181,9 +184,12 @@ func (c *ConfigManager) ReadInConfig() error {
 
 func readFile(filename string, fileType configType) (map[string]any, error) {
 	fileData := make(map[string]any)
-	if _, err := os.Stat(filename); os.IsNotExist(err) {
+	if d, err := os.Stat(filename); os.IsNotExist(err) {
 		return nil, ErrConfigFileNotFound
+	} else if d.Size() == 0 {
+		return nil, ErrConfigFileEmpty
 	}
+
 	switch fileType {
 	case ConfigTypeTOML:
 		_, err := toml.DecodeFile(filename, &fileData)

setters.go

@@ -35,8 +35,8 @@ func (c *ConfigManager) SetDefault(key string, value any) {
 	c.defaultConfig[lower] = ConfigMap{Key: key, Value: value}
 	if _, ok := c.mapConfig[lower]; !ok {
 		if envVal, ok := c.envConfig[lower]; ok {
-			c.mapConfig[lower] = envVal
-			c.combinedConfig[lower] = envVal
+			c.mapConfig[lower] = ConfigMap{Key: key, Value: envVal.Value}
+			c.combinedConfig[lower] = ConfigMap{Key: key, Value: envVal.Value}
 		} else {
 			c.combinedConfig[lower] = ConfigMap{Key: key, Value: value}
 		}