package app

import (
	"os"

	"forge.cadoles.com/arcad/edge/pkg/app"
	"forge.cadoles.com/arcad/edge/pkg/bundle"
	"github.com/pkg/errors"
	"github.com/urfave/cli/v2"
	"gopkg.in/yaml.v2"
)

func InfoCommand() *cli.Command {
	return &cli.Command{
		Name:  "info",
		Usage: "Print app manifest informations",
		Flags: []cli.Flag{
			&cli.StringFlag{
				Name:     "path",
				Usage:    "use `PATH` as app bundle (zip, zim or directory bundle)",
				Aliases:  []string{"p"},
				Value:    "",
				Required: true,
			},
		},
		Action: func(ctx *cli.Context) error {
			appPath := ctx.String("path")

			bundle, err := bundle.FromPath(appPath)
			if err != nil {
				return errors.Wrap(err, "could not load app bundle")
			}

			manifest, err := app.LoadManifest(bundle)
			if err != nil {
				return errors.Wrap(err, "could not load app manifest")
			}

			if valid, err := manifest.Validate(manifestMetadataValidators...); !valid {
				return errors.Wrap(err, "invalid app manifest")
			}

			encoder := yaml.NewEncoder(os.Stdout)

			if err := encoder.Encode(manifest); err != nil {
				return errors.Wrap(err, "could not encode manifest")
			}

			if err := encoder.Close(); err != nil {
				return errors.WithStack(err)
			}

			return nil
		},
	}
}