package v2

import (
	"context"
	"testing"

	"github.com/prysmaticlabs/prysm/shared/testutil/assert"
	"github.com/prysmaticlabs/prysm/shared/testutil/require"
	v2keymanager "github.com/prysmaticlabs/prysm/validator/keymanager/v2"
	"github.com/prysmaticlabs/prysm/validator/keymanager/v2/derived"
)

func TestCreateAccount_Derived(t *testing.T) {
	walletDir, passwordsDir, passwordFile := setupWalletAndPasswordsDir(t)
	numAccounts := int64(5)
	cliCtx := setupWalletCtx(t, &testWalletConfig{
		walletDir:           walletDir,
		passwordsDir:        passwordsDir,
		walletPasswordFile:  passwordFile,
		accountPasswordFile: passwordFile,
		keymanagerKind:      v2keymanager.Derived,
		numAccounts:         numAccounts,
	})

	// We attempt to create the wallet.
	_, err := CreateWallet(cliCtx)
	require.NoError(t, err)

	// We attempt to open the newly created wallet.
	ctx := context.Background()
	wallet, err := OpenWallet(cliCtx)
	assert.NoError(t, err)

	// We read the keymanager config for the newly created wallet.
	encoded, err := wallet.ReadKeymanagerConfigFromDisk(ctx)
	assert.NoError(t, err)
	cfg, err := derived.UnmarshalConfigFile(encoded)
	assert.NoError(t, err)

	// We assert the created configuration was as desired.
	assert.DeepEqual(t, derived.DefaultConfig(), cfg)

	require.NoError(t, CreateAccount(cliCtx))

	keymanager, err := wallet.InitializeKeymanager(cliCtx, true)
	require.NoError(t, err)
	km, ok := keymanager.(*derived.Keymanager)
	if !ok {
		t.Fatal("not a derived keymanager")
	}
	names, err := km.ValidatingAccountNames(ctx)
	assert.NoError(t, err)
	require.Equal(t, len(names), int(numAccounts))
}