feat: save config

src/internal/config/config.go

@@ -126,6 +126,38 @@ func initializeViper(appName string) (*viper.Viper, string, error) {
 	return v, configFile, nil
 }
 
+func (c *Config) Save() error {
+    v, _, err := initializeViper(constants.AppName)
+    if err != nil {
+        return fmt.Errorf("failed to initialize viper: %w", err)
+    }
+
+    v.Set("app.settings_reviewed", c.App.SettingsReviewed)
+    v.Set("app.enable_alarm", c.App.EnableAlarm)
+    v.Set("app.enable_link_opening", c.App.EnableLinkOpening)
+    v.Set("app.use_attendance_journal_api", c.App.UseAttendanceJounralApi)
+    v.Set("app.browser", c.App.Browser)
+    v.Set("app.enable_checking_updates", c.App.EnableCheckingUpdates)
+
+    v.Set("logging.level", c.Logging.Level)
+    v.Set("logging.output", c.Logging.Output)
+
+    v.Set("telemetry.enable_statistics_collection", c.Telemetry.EnableStatisticsCollection)
+    v.Set("telemetry.enable_anonymous_error_reports", c.Telemetry.EnableAnonymousErrorReports)
+
+    if c.Communication.QrUrl != "" {
+        v.Set("communication.self_approve_url", c.Communication.QrUrl)
+    }
+    if c.Communication.QrQueryToken != "" {
+        v.Set("communication.qr_query_token", c.Communication.QrQueryToken)
+    }
+    if c.Communication.ApiSelfApproveMethod != "" {
+        v.Set("communication.api_self_approve_method", c.Communication.ApiSelfApproveMethod)
+    }
+
+    return v.WriteConfig()
+}
+
 func NewConfig() (*Config, error) {
 	v, configFile, err := initializeViper(constants.AppName)
 	if err != nil {