1 files changed, 59 insertions, 0 deletions
diff --git a/cmd/username.go b/cmd/username.go
new file mode 100644
index 0000000..f67890b
--- /dev/null
+++ b/cmd/username.go
@@ -0,0 +1,59 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"git.db.org.ai/dborg/internal/formatter"
+	"git.db.org.ai/dborg/internal/models"
+	"github.com/spf13/cobra"
+)
+
+var usernameCmd = &cobra.Command{
+	Use:   "username [username]",
+	Short: "Check username availability across websites",
+	Long:  `Check username availability across hundreds of websites using WhatsMyName dataset`,
+	Args:  cobra.ExactArgs(1),
+	RunE:  runUsernameCheck,
+}
+
+func init() {
+	rootCmd.AddCommand(usernameCmd)
+	usernameCmd.Flags().StringSliceP("sites", "s", []string{}, "Specific sites to check (comma-separated)")
+	usernameCmd.Flags().BoolP("fuzzy", "f", false, "Enable fuzzy validation mode")
+	usernameCmd.Flags().IntP("max_tasks", "m", 50, "Maximum concurrent tasks")
+}
+
+func runUsernameCheck(cmd *cobra.Command, args []string) error {
+	c, err := newUnauthenticatedClient()
+	if err != nil {
+		return err
+	}
+
+	params := &models.USRSXParams{
+		Username: args[0],
+	}
+	params.Sites, _ = cmd.Flags().GetStringSlice("sites")
+	params.Fuzzy, _ = cmd.Flags().GetBool("fuzzy")
+	params.MaxTasks, _ = cmd.Flags().GetInt("max_tasks")
+
+	err = c.CheckUsernameStream(params, func(result json.RawMessage) error {
+		if IsJSONOutput() {
+			fmt.Println(string(result))
+			return nil
+		}
+
+		var siteResult models.SiteResult
+		if err := json.Unmarshal(result, &siteResult); err != nil {
+			return err
+		}
+
+		return formatter.FormatUsernameSiteResult(&siteResult)
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}