package modify

import (
	"context"
	"fmt"

	"edge-infra.dev/pkg/edge/api/graph/model"
	"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)

	cmd = &command.Command{
		ShortUsage: "edge terminal address modify",
		ShortHelp:  "Modify an address for a particular terminal interface",
		Flags: append(
			flagsets,
			&rags.Rag{
				Name:     flagutil.StoreFlag,
				Value:    &rags.String{},
				Usage:    "Name of the Store - Must be unique",
				Required: true,
			},
			&rags.Rag{
				Name:     flagutil.BannerFlag,
				Value:    &rags.String{},
				Usage:    "Banner name",
				Required: true,
			},
			&rags.Rag{
				Name:     flagutil.TerminalAddressID,
				Value:    &rags.String{},
				Usage:    "Unique terminal address ID",
				Required: true,
			},
			&rags.Rag{
				Name:     flagutil.IPFlag,
				Value:    &rags.String{},
				Usage:    "IP address of an interface",
				Required: false,
			},
			&rags.Rag{
				Name:     flagutil.PrefixLen,
				Usage:    "IP network prefix length",
				Value:    &rags.Int{},
				Required: false,
			},
			&rags.Rag{
				Name:     flagutil.TerminalFamily,
				Usage:    "family of addresses: \"inet\" or \"inet6\"",
				Value:    &rags.String{},
				Required: false,
			},
		),
		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
			}

			terminalAddressID := flagutil.GetStringFlag(cmd.Rags, flagutil.TerminalAddressID)

			reqCtx, cancelReq := context.WithTimeout(context.Background(), flagutil.BffReqTimeout)
			defer cancelReq()

			terminalFamily := flagutil.GetOptionalFlagValue[string](cmd.Rags, flagutil.TerminalFamily)
			updatedAddr := model.TerminalAddressUpdateInput{
				IP:        flagutil.GetOptionalFlagValue[string](cmd.Rags, flagutil.IPFlag),
				PrefixLen: flagutil.GetOptionalFlagValue[int](cmd.Rags, flagutil.PrefixLen),
				Family:    (*model.InetType)(terminalFamily),
			}

			if _, err = registrar.ModifyTerminalAddress(reqCtx, terminalAddressID, &updatedAddr); err != nil {
				fmt.Println("unable to modify terminal interface")
				return err
			}

			fmt.Println("successfully modified the terminal interface")

			return nil
		},
	}
	return cmd
}