package link

import (
	"encoding/json"
	"sort"
	"strings"
	"testing"
	"time"

	"github.com/novox/mesh-controller/internal/broker"
)

// The move's ask and answer keep the engine's field names (mesh-host internal/link,
// TestTheMovesAskKeepsItsFieldNamesAndContext): the row's fields beside a hand-over's, under a context of its own.
func TestTheMovesAskAndAnswerKeepTheirFieldNames(t *testing.T) {
	keys := func(v any) string {
		raw, _ := json.Marshal(v)
		var m map[string]any
		_ = json.Unmarshal(raw, &m)
		var out []string
		for k := range m {
			out = append(out, k)
		}
		sort.Strings(out)
		return strings.Join(out, " ")
	}
	ask := MoveSecretAsk{Module: "m", Name: "n", Provider: "p", Provision: "q", Consumer: "c", ConsumerModule: "cm",
		Local: "l", Origin: "made", Generation: "g", MadeAt: time.Unix(1, 0).UTC(), Sealed: "s", SealedTo: "k"}
	if got := keys(ask); got != "consumer consumer_module generation local made_at module name origin provider "+
		"provision sealed sealed_to" {
		t.Fatalf("the ask's fields are %q", got)
	}
	answer := MoveSecretAnswer{Said: "s", Refused: "r", Secret: "own/a/b/c", Generation: 1, Unchanged: true}
	if got := keys(answer); got != "generation refused said secret unchanged" {
		t.Fatalf("the answer's fields are %q", got)
	}
	if broker.AskMoveSecretSubject("laptop") != "mesh.node.laptop.ask.move-secret" ||
		MoveSecretContext != "novox-mesh move-secret v1\n" {
		t.Fatalf("the subject %q, the context %q", broker.AskMoveSecretSubject("laptop"), MoveSecretContext)
	}
}

// A move is asked of the machine on its own subject, signed under its own context — never a hand-over's — naming
// no path and carrying the row beside the hand-over's fields; the engine's answer comes back whole.