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
}