package cmd

import (
	"fmt"
	"os"

	"github.com/kb-search/kb/internal/config"
	"github.com/spf13/cobra"
)

// Version is set at build time via -ldflags.
var Version = "dev"

var (
	flagEngine string
	flagFormat string
	flagAPIKey string
)

var rootCmd = &cobra.Command{
	Use:   "kb",
	Short: "kb-search CLI client",
	Long:  "A CLI client for the kb-search v2 engine API.",
	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
		if err := config.Load(); err != nil {
			return err
		}
		config.ApplyFlags(flagEngine, flagFormat, flagAPIKey)
		return nil
	},
}

func init() {
	rootCmd.Version = Version
	rootCmd.PersistentFlags().StringVar(&flagEngine, "engine", "", "engine API URL")
	rootCmd.PersistentFlags().StringVar(&flagFormat, "format", "", "output format (human|json)")
	rootCmd.PersistentFlags().StringVar(&flagAPIKey, "api-key", "", "API key for authentication")
}

// Execute runs the root command.
func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
}