package remove

import (
	"context"
	"fmt"
	"time"

	"edge-infra.dev/pkg/edge/edgecli"
	"edge-infra.dev/pkg/edge/edgecli/constructors"
	"edge-infra.dev/pkg/edge/edgecli/flagutil"
	"edge-infra.dev/pkg/lib/cli/command"
	"edge-infra.dev/pkg/lib/cli/rags"
)

func NewCmd(cfg *edgecli.Config) *command.Command {
	var cmd *command.Command
	flagsets := flagutil.GetConnectionFlags(cfg)
	var storeName, bannerName, networkServiceID string

	cmd = &command.Command{
		ShortUsage: "edge networkservice remove",
		ShortHelp:  "Remove a Network Service belonging to a Cluster",
		Flags: append(
			flagsets,
			&rags.Rag{
				Name:     flagutil.StoreFlag,
				Usage:    "Name of the Store",
				Value:    &rags.String{Var: &storeName},
				Required: true,
			},
			&rags.Rag{
				Name:     flagutil.BannerFlag,
				Usage:    "Banner name",
				Value:    &rags.String{Var: &bannerName},
				Required: true,
			},
			&rags.Rag{
				Name:     flagutil.NetworkServiceIDFlag,
				Value:    &rags.String{Var: &networkServiceID},
				Usage:    "ID of network service",
				Required: true,
			},
		),
		Exec: func(_ context.Context, _ []string) error {
			if err := flagutil.ValidateRequiredFlags(cmd.Rags); err != nil {
				return err
			}

			registrar, err := constructors.BuildRegistrar(cmd.Rags)
			if err != nil {
				return err
			}

			networkServiceID := flagutil.GetStringFlag(cmd.Rags, flagutil.NetworkServiceIDFlag)
			if !flagutil.IsValidUUID(networkServiceID) {
				return fmt.Errorf("invalid uuid type %s", networkServiceID)
			}
			storeName := flagutil.GetStringFlag(cmd.Rags, flagutil.StoreFlag)
			bannerName := flagutil.GetStringFlag(cmd.Rags, flagutil.BannerFlag)

			fmt.Println("flags validated")

			reqCtx, cancelReq := context.WithTimeout(context.Background(), time.Duration(30)*time.Second)
			defer cancelReq()

			cluster, err := registrar.GetCluster(reqCtx, storeName, bannerName)
			if err != nil {
				fmt.Println("an error occurred whilst removing the cluster network service")
				return err
			}

			reqCtx, cancelReq = context.WithTimeout(context.Background(), time.Duration(30)*time.Second)
			defer cancelReq()

			fmt.Println("deleting network service...")

			_, err = registrar.DeleteNetworkServices(reqCtx, cluster.ClusterEdgeID, networkServiceID)
			if err != nil {
				fmt.Println("an error occurred whilst removing the cluster network service")
				return err
			}

			fmt.Println("network service removed successfully!")
			return nil
		},
	}
	return cmd
}