// Package cli wires the agent-lib command tree: vendor (curator side),
// sync/status (client side) and version.
package cli

import (
	"fmt"
	"io"
	"os"
	"runtime"

	"github.com/spf13/cobra"

	"github.com/m3tam3re/agent-lib/internal/version"
)

func NewRootCmd() *cobra.Command {
	root := &cobra.Command{
		Use:           "agent-lib",
		Short:         "Curated agent content: vendor external sources, sync to OpenCode",
		SilenceUsage:  true,
		SilenceErrors: true,
	}
	root.AddCommand(newVersionCmd())
	root.AddCommand(newVendorCmd())
	root.AddCommand(newValidateCmd())
	return root
}

func newVersionCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "version",
		Short: "Print the agent-lib version",
		Args:  cobra.NoArgs,
		RunE: func(cmd *cobra.Command, args []string) error {
			return printVersion(cmd.OutOrStdout())
		},
	}
}

func printVersion(w io.Writer) error {
	_, err := fmt.Fprintf(w, "agent-lib %s (%s/%s)\n", version.Version, runtime.GOOS, runtime.GOARCH)
	return err
}

func Execute() error {
	if err := NewRootCmd().Execute(); err != nil {
		fmt.Fprintln(os.Stderr, "error:", err)
		return err
	}
	return nil
}