package console

import (
	"bytes"
	"context"
	"crypto/ecdh"
	"encoding/base64"
	"encoding/json"
	"errors"
	"os"
	"testing"

	"github.com/carlosframework/platform/internal/appconfig"
	"github.com/carlosframework/platform/internal/moves"
	"github.com/carlosframework/platform/internal/release"
)

// D13: the console publishes control/moves-console.json only with the
// moves switch on, and a second start replaces the first start's record.
func TestConsoleRecordNeedsTheSwitch(t *testing.T) {
	ctx := context.Background()
	priv, err := ecdh.P256().NewPrivateKey(bytes.Repeat([]byte{1}, 32))
	if err != nil {
		t.Fatal(err)
	}
	pubB64 := base64.StdEncoding.EncodeToString(priv.PublicKey().Bytes())
	store := release.NewDirStore(t.TempDir())

	off := &Server{cfg: Config{Releases: store, SecretsPub: pubB64}}
	if err := off.PublishMovesConsole(ctx); err != nil {
		t.Fatal(err)
	}
	if _, _, err := store.Get(ctx, moves.ConsoleKey); !errors.Is(err, os.ErrNotExist) {
		t.Fatalf("switch off, yet %s: %v", moves.ConsoleKey, err)
	}

	on := &Server{cfg: Config{Releases: store, SecretsPub: pubB64, MovesEnabled: true}}
	for start := 0; start < 2; start++ {
		if err := on.PublishMovesConsole(ctx); err != nil {
			t.Fatalf("start %d: %v", start, err)
		}
	}
	body, _, err := store.Get(ctx, moves.ConsoleKey)
	if err != nil {
		t.Fatal(err)
	}
	var rec moves.ConsoleRecord
	if err := json.Unmarshal(body, &rec); err != nil {
		t.Fatal(err)
	}
	if rec.V != 1 || rec.Protocol != moves.ProtocolVersion || rec.SecretsKeyFP != appconfig.KeyFingerprint(priv.PublicKey()) || rec.At.IsZero() {
		t.Fatalf("record = %+v", rec)
	}

	// No secrets key: the record says so by carrying no fingerprint.
	bare := &Server{cfg: Config{Releases: store, MovesEnabled: true}}
	if err := bare.PublishMovesConsole(ctx); err != nil {
		t.Fatal(err)
	}
	body, _, _ = store.Get(ctx, moves.ConsoleKey)
	if bytes.Contains(body, []byte("secrets_key_fp")) {
		t.Fatalf("no key, yet %s", body)
	}

	// A bucketless console has nowhere to publish and does not fail.
	if err := (&Server{cfg: Config{MovesEnabled: true}}).PublishMovesConsole(ctx); err != nil {
		t.Fatal(err)
	}
}