package layer

import (
	"os"

	"forge.cadoles.com/cadoles/bouncer/internal/client"
	"forge.cadoles.com/cadoles/bouncer/internal/command/client/apierr"
	clientFlag "forge.cadoles.com/cadoles/bouncer/internal/command/client/flag"
	proxyFlag "forge.cadoles.com/cadoles/bouncer/internal/command/client/proxy/flag"
	"forge.cadoles.com/cadoles/bouncer/internal/format"
	"forge.cadoles.com/cadoles/bouncer/internal/store"
	"github.com/pkg/errors"
	"github.com/urfave/cli/v2"
)

func QueryCommand() *cli.Command {
	return &cli.Command{
		Name:  "query",
		Usage: "Query layers",
		Flags: proxyFlag.WithProxyFlags(
			&cli.StringSliceFlag{
				Name:  "name",
				Usage: "use `NAME` as query filter",
			},
		),
		Action: func(ctx *cli.Context) error {
			baseFlags := clientFlag.GetBaseFlags(ctx)

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

			proxyName, err := proxyFlag.AssertProxyName(ctx)
			if err != nil {
				return errors.WithStack(err)
			}

			options := make([]client.QueryLayerOptionFunc, 0)

			rawNames := ctx.StringSlice("name")
			if rawNames != nil {
				layerNames := func(names []string) []store.LayerName {
					layerNames := make([]store.LayerName, len(names))
					for i, name := range names {
						layerNames[i] = store.LayerName(name)
					}
					return layerNames
				}(rawNames)
				options = append(options, client.WithQueryLayerNames(layerNames...))
			}

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

			proxies, err := client.QueryLayer(ctx.Context, proxyName, options...)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			hints := layerHeaderHints(baseFlags.OutputMode)

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

			return nil
		},
	}
}