package spec

import (
	"os"

	agentFlag "forge.cadoles.com/Cadoles/emissary/internal/command/client/agent/flag"
	"forge.cadoles.com/Cadoles/emissary/internal/command/client/apierr"
	clientFlag "forge.cadoles.com/Cadoles/emissary/internal/command/client/flag"
	"forge.cadoles.com/Cadoles/emissary/pkg/client"
	"github.com/pkg/errors"
	"github.com/urfave/cli/v2"
	"gitlab.com/wpetit/goweb/cli/format"
)

func GetCommand() *cli.Command {
	return &cli.Command{
		Name:  "get",
		Usage: "Get agent specification",
		Flags: agentFlag.WithAgentFlags(
			&cli.StringFlag{
				Name:  "spec-name",
				Usage: "use `NAME` as specification's name",
			},
			&cli.StringFlag{
				Name:  "spec-version",
				Usage: "use `VERSION` as specification's version",
				Value: "0.0.0",
			},
		),
		Action: func(ctx *cli.Context) error {
			baseFlags := clientFlag.GetBaseFlags(ctx)
			agentID, err := agentFlag.AssertAgentID(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			token, err := clientFlag.GetToken(baseFlags)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			specDefName, err := assertSpecDefName(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			specDefVersion, err := assertSpecDefVersion(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			client := client.New(baseFlags.ServerURL, client.WithToken(token))

			spec, err := client.GetAgentSpec(ctx.Context, agentID, specDefName, specDefVersion)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			hints := specHints(baseFlags.OutputMode)

			if err := format.Write(baseFlags.Format, os.Stdout, hints, spec); err != nil {
				return errors.WithStack(err)
			}

			return nil
		},
	}
}