package agent

import (
	"os"

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

func QueryCommand() *cli.Command {
	return &cli.Command{
		Name:  "query",
		Usage: "Query agents",
		Flags: clientFlag.ComposeFlags(
			&cli.StringSliceFlag{
				Name:  "thumbprints",
				Usage: "use `THUMBPRINTS` as query filter",
				Value: nil,
			},
			&cli.Int64SliceFlag{
				Name:  "statuses",
				Usage: "use `STATUSES` as query filter",
			},
			&cli.Int64SliceFlag{
				Name:  "ids",
				Usage: "use `IDS` 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))
			}

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

			thumbprints := ctx.StringSlice("thumbprints")
			if thumbprints != nil {
				options = append(options, client.WithQueryAgentsThumbprints(thumbprints...))
			}

			rawIDs := ctx.Int64Slice("ids")
			if rawIDs != nil {
				agentIDs := func(ids []int64) []datastore.AgentID {
					agentIDs := make([]datastore.AgentID, len(ids))
					for i, id := range ids {
						agentIDs[i] = datastore.AgentID(id)
					}
					return agentIDs
				}(rawIDs)
				options = append(options, client.WithQueryAgentsID(agentIDs...))
			}

			rawStatuses := ctx.Int64Slice("statuses")
			if rawStatuses != nil {
				statuses := func(rawStatuses []int64) []datastore.AgentStatus {
					statuses := make([]datastore.AgentStatus, len(rawStatuses))
					for i, status := range rawStatuses {
						statuses[i] = datastore.AgentStatus(status)
					}
					return statuses
				}(rawStatuses)
				options = append(options, client.WithQueryAgentsStatus(statuses...))
			}

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

			agents, _, err := client.QueryAgents(ctx.Context, options...)
			if err != nil {
				return errors.WithStack(apierr.Wrap(err))
			}

			hints := agentHints(baseFlags.OutputMode)

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

			return nil
		},
	}
}