package configure

import (
	"fmt"
	"os"

	"github.com/hpcng/warewulf/internal/app/wwctl/configure/dhcp"
	"github.com/hpcng/warewulf/internal/app/wwctl/configure/hosts"
	"github.com/hpcng/warewulf/internal/app/wwctl/configure/nfs"
	"github.com/hpcng/warewulf/internal/app/wwctl/configure/ssh"
	"github.com/hpcng/warewulf/internal/app/wwctl/configure/tftp"
	"github.com/pkg/errors"
	"github.com/spf13/cobra"
)

var (
	baseCmd = &cobra.Command{
		DisableFlagsInUseLine: true,
		Use:   "configure [OPTIONS]",
		Short: "Manage system services",
		Long: "This application allows you to manage and initialize Warewulf dependent system\n" +
			"services based on the configuration in the warewulf.conf file.",
		RunE: CobraRunE,
	}
	SetDoAll bool
)

func init() {
	baseCmd.AddCommand(dhcp.GetCommand())
	baseCmd.AddCommand(tftp.GetCommand())
	baseCmd.AddCommand(hosts.GetCommand())
	baseCmd.AddCommand(ssh.GetCommand())
	baseCmd.AddCommand(nfs.GetCommand())

	baseCmd.PersistentFlags().BoolVarP(&SetDoAll, "all", "a", false, "Configure all services")
}

// GetRootCommand returns the root cobra.Command for the application.
func GetCommand() *cobra.Command {
	return baseCmd
}

func CobraRunE(cmd *cobra.Command, args []string) error {
	if SetDoAll {
		fmt.Printf("################################################################################\n")
		fmt.Printf("Configuring: DHCP\n")
		err := dhcp.Configure(false)
		if err != nil {
			return errors.Wrap(err, "failed to configure dhcp")
		}

		fmt.Printf("################################################################################\n")
		fmt.Printf("Configuring: TFTP\n")
		err = tftp.Configure(false)
		if err != nil {
			return errors.Wrap(err, "failed to configure tftp")
		}

		fmt.Printf("################################################################################\n")
		fmt.Printf("Configuring: /etc/hosts\n")
		err = hosts.Configure(false)
		if err != nil {
			return errors.Wrap(err, "failed to configure hosts")
		}

		fmt.Printf("################################################################################\n")
		fmt.Printf("Configuring: NFS\n")
		err = nfs.Configure(false)
		if err != nil {
			return errors.Wrap(err, "failed to configure nfs")
		}

		fmt.Printf("################################################################################\n")
		fmt.Printf("Configuring: SSH\n")
		err = ssh.Configure(false)
		if err != nil {
			return errors.Wrap(err, "failed to configure ssh")
		}
	} else {
		//nolint:errcheck
		cmd.Help()
		os.Exit(0)
	}

	return nil
}