package main

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
	"go.uber.org/fx"
	"gopkg.in/yaml.v3"

	"iop/apps/node/internal/bootstrap"
	"iop/packages/config"
	"iop/packages/version"
)

var cfgFile string

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

func rootCmd() *cobra.Command {
	root := &cobra.Command{
		Use:   "iop-node",
		Short: "IOP Node Agent — runs inference adapters on this device",
	}
	root.PersistentFlags().StringVarP(&cfgFile, "config", "c", "configs/node.yaml", "config file path")

	root.AddCommand(serveCmd(), versionCmd(), configCmd())
	return root
}

func serveCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "serve",
		Short: "Start the IOP node (connects to edge)",
		RunE: func(cmd *cobra.Command, _ []string) error {
			cfg, err := config.Load(cfgFile)
			if err != nil {
				return fmt.Errorf("load config: %w", err)
			}

			app := fx.New(bootstrap.Module(cfg))
			app.Run()
			return nil
		},
	}
}

func versionCmd() *cobra.Command {
	return &cobra.Command{
		Use:   "version",
		Short: "Print IOP node version",
		Run: func(_ *cobra.Command, _ []string) {
			fmt.Println(version.Version)
		},
	}
}

func configCmd() *cobra.Command {
	cfgGroup := &cobra.Command{
		Use:   "config",
		Short: "Config management commands",
	}

	printCmd := &cobra.Command{
		Use:   "print",
		Short: "Print the resolved configuration",
		RunE: func(_ *cobra.Command, _ []string) error {
			cfg, err := config.Load(cfgFile)
			if err != nil {
				return fmt.Errorf("load config: %w", err)
			}
			enc := yaml.NewEncoder(os.Stdout)
			enc.SetIndent(2)
			return enc.Encode(cfg)
		},
	}

	cfgGroup.AddCommand(printCmd)
	return cfgGroup
}