package app

import (
	"context"
	"os"

	"github.com/spf13/cobra"
	cliflag "k8s.io/component-base/cli/flag"
	"k8s.io/component-base/term"

	"github.com/karmada-io/karmada/cmd/aggregated-apiserver/app/options"
	"github.com/karmada-io/karmada/pkg/sharedcli"
	"github.com/karmada-io/karmada/pkg/sharedcli/klogflag"
	"github.com/karmada-io/karmada/pkg/version/sharedcommand"
)

// NewAggregatedApiserverCommand creates a *cobra.Command object with default parameters
func NewAggregatedApiserverCommand(ctx context.Context) *cobra.Command {
	opts := options.NewOptions()

	cmd := &cobra.Command{
		Use:  "karmada-aggregated-apiserver",
		Long: `Launch the karmada-aggregated-apiserver`,
		RunE: func(cmd *cobra.Command, args []string) error {
			if err := opts.Complete(); err != nil {
				return err
			}
			if err := opts.Validate(); err != nil {
				return err
			}
			if err := opts.Run(ctx); err != nil {
				return err
			}
			return nil
		},
	}

	fss := cliflag.NamedFlagSets{}

	genericFlagSet := fss.FlagSet("generic")
	opts.AddFlags(genericFlagSet)

	// Set klog flags
	logsFlagSet := fss.FlagSet("logs")
	klogflag.Add(logsFlagSet)

	cmd.AddCommand(sharedcommand.NewCmdVersion(os.Stdout, "karmada-aggregated-apiserver"))
	cmd.Flags().AddFlagSet(genericFlagSet)
	cmd.Flags().AddFlagSet(logsFlagSet)

	cols, _, _ := term.TerminalSize(cmd.OutOrStdout())
	sharedcli.SetUsageAndHelpFunc(cmd, fss, cols)
	return cmd
}