// Command nyro is the unified gateway CLI: `nyro proxy` (data plane),
// `nyro serve` (control plane), and `nyro tool` (`ca` and `migrate` operations).
package main

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"

	"github.com/nyroway/nyro/go/cmd/proxy"
	"github.com/nyroway/nyro/go/cmd/resource"
	"github.com/nyroway/nyro/go/cmd/server"
	"github.com/nyroway/nyro/go/cmd/tool"
	"github.com/nyroway/nyro/go/internal/envflag"
	"github.com/nyroway/nyro/go/internal/version"
)

// newRootCmd builds the root cobra command. Extracted from main so tests can
// inspect its subcommand/flag shape without calling Execute or os.Exit.
func newRootCmd() *cobra.Command {
	root := &cobra.Command{
		Use:   "nyro",
		Short: "Nyro AI gateway",
	}
	// nyro is not meant to be introspected via shell-completion scripts today;
	// disable cobra's auto-added `completion` subcommand rather than ship an
	// unmaintained surface.
	root.CompletionOptions.DisableDefaultCmd = true
	// Give every subcommand flag an environment-variable layer with precedence
	// explicit flag > env > default. Bind runs (as the inherited PersistentPreRunE)
	// for whichever leaf command executes; Decorate advertises each flag's env
	// var in --help. Both derive NYRO_<SUB>_<FLAG> names from the command path,
	// so no subcommand code needs to know about env binding.
	root.PersistentPreRunE = envflag.Bind
	root.AddCommand(proxy.NewCmd())
	root.AddCommand(server.NewCmd())
	root.AddCommand(tool.NewCmd())
	root.AddCommand(newVersionCmd())
	root.AddCommand(resource.ProviderCmd())
	root.AddCommand(resource.ModelCmd())
	envflag.Decorate(root)
	return root
}

func newVersionCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "version",
		Short: "Print version information",
		RunE: func(cmd *cobra.Command, _ []string) error {
			_, err := fmt.Fprintf(cmd.OutOrStdout(), "nyro version %s\n", version.Version)
			return err
		},
	}
}

func main() {
	if err := newRootCmd().Execute(); err != nil {
		fmt.Fprintln(os.Stderr, "error:", err)
		os.Exit(1)
	}
}