package cmd

import (
	"bufio"
	"fmt"
	"os"
	"strings"

	"github.com/spf13/cobra"
)

var configCmd = &cobra.Command{
	Use:   "config",
	Short: "Set your Gitea URL, username, and API token",
	RunE: func(cmd *cobra.Command, args []string) error {
		reader := bufio.NewReader(os.Stdin)

		cfg := &Config{}
		if existing, err := loadConfig(); err == nil {
			*cfg = *existing
		}

		cfg.URL = prompt(reader, fmt.Sprintf("Gitea URL [%s]", cfg.URL), cfg.URL)
		cfg.Username = prompt(reader, fmt.Sprintf("Username [%s]", cfg.Username), cfg.Username)
		cfg.Token = prompt(reader, fmt.Sprintf("API Token [%s]", maskToken(cfg.Token)), cfg.Token)

		if err := saveConfig(cfg); err != nil {
			return fmt.Errorf("saving config: %w", err)
		}
		fmt.Println("Config saved to", configPath())
		return nil
	},
}

func prompt(reader *bufio.Reader, label, fallback string) string {
	fmt.Printf("%s: ", label)
	input, _ := reader.ReadString('\n')
	input = strings.TrimSpace(input)
	if input == "" {
		return fallback
	}
	return input
}

func maskToken(t string) string {
	if len(t) < 4 {
		return "****"
	}
	return t[:4] + "****"
}