package main

import (
	"errors"
	"fmt"
	"isle/bootstrap"
)

var subCmdNetworkJoin = subCmd{
	name:  "join",
	descr: "Joins this host to an existing network",
	do: func(subCmdCtx subCmdCtx) error {
		var (
			ctx   = subCmdCtx.ctx
			flags = subCmdCtx.flagSet(false)
		)

		bootstrapPath := flags.StringP(
			"bootstrap-path", "b", "", "Path to a bootstrap.json file.",
		)

		if err := flags.Parse(subCmdCtx.args); err != nil {
			return fmt.Errorf("parsing flags: %w", err)
		}

		if *bootstrapPath == "" {
			return errors.New("--bootstrap-path is required")
		}

		newBootstrap, err := bootstrap.FromFile(*bootstrapPath)
		if err != nil {
			return fmt.Errorf(
				"loading bootstrap from %q: %w", *bootstrapPath, err,
			)
		}

		return subCmdCtx.daemonRCPClient.Call(
			ctx, nil, "JoinNetwork", newBootstrap,
		)
	},
}

var subCmdNetwork = subCmd{
	name:  "network",
	descr: "Sub-commands related to network membership",
	do: func(subCmdCtx subCmdCtx) error {
		return subCmdCtx.doSubCmd(
			subCmdNetworkJoin,
		)
	},
}