package cli

import (
	"github.com/spf13/cobra"
)

func SnapshotCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "snapshot",
		Short: "Manage snapshots",
		Long:  "Commands for listing, removing, and querying snapshots",
	}

	cmd.AddCommand(snapshotListCmd())
	cmd.AddCommand(snapshotRmCmd())
	cmd.AddCommand(snapshotLatestCmd())

	return cmd
}

func snapshotListCmd() *cobra.Command {
	var (
		bucket string
		prefix string
		limit  int
	)

	cmd := &cobra.Command{
		Use:   "list",
		Short: "List snapshots",
		Long:  "List all snapshots in the bucket, sorted by timestamp",
		RunE: func(cmd *cobra.Command, args []string) error {
			panic("unimplemented")
		},
	}

	cmd.Flags().StringVar(&bucket, "bucket", "", "S3 bucket name")
	cmd.Flags().StringVar(&prefix, "prefix", "", "S3 prefix")
	cmd.Flags().IntVar(&limit, "limit", 10, "Maximum number of snapshots to list")
	cmd.MarkFlagRequired("bucket")

	return cmd
}

func snapshotRmCmd() *cobra.Command {
	var (
		bucket   string
		prefix   string
		snapshot string
	)

	cmd := &cobra.Command{
		Use:   "rm",
		Short: "Remove a snapshot",
		Long:  "Remove a snapshot and optionally its associated blobs",
		RunE: func(cmd *cobra.Command, args []string) error {
			panic("unimplemented")
		},
	}

	cmd.Flags().StringVar(&bucket, "bucket", "", "S3 bucket name")
	cmd.Flags().StringVar(&prefix, "prefix", "", "S3 prefix")
	cmd.Flags().StringVar(&snapshot, "snapshot", "", "Snapshot ID to remove")
	cmd.MarkFlagRequired("bucket")
	cmd.MarkFlagRequired("snapshot")

	return cmd
}

func snapshotLatestCmd() *cobra.Command {
	var (
		bucket string
		prefix string
	)

	cmd := &cobra.Command{
		Use:   "latest",
		Short: "Get the latest snapshot ID",
		Long:  "Display the ID of the most recent snapshot",
		RunE: func(cmd *cobra.Command, args []string) error {
			panic("unimplemented")
		},
	}

	cmd.Flags().StringVar(&bucket, "bucket", "", "S3 bucket name")
	cmd.Flags().StringVar(&prefix, "prefix", "", "S3 prefix")
	cmd.MarkFlagRequired("bucket")

	return cmd
}