package rpc

import (
	"context"
	"path/filepath"
	"testing"

	pb "github.com/prysmaticlabs/prysm/proto/validator/accounts/v2"
	"github.com/prysmaticlabs/prysm/shared/testutil/assert"
	"github.com/prysmaticlabs/prysm/shared/testutil/require"
	"github.com/prysmaticlabs/prysm/validator/accounts"
	"github.com/prysmaticlabs/prysm/validator/accounts/wallet"
	"github.com/prysmaticlabs/prysm/validator/flags"
	"github.com/prysmaticlabs/prysm/validator/keymanager"
	"github.com/prysmaticlabs/prysm/validator/keymanager/derived"
)

var (
	defaultWalletPath = filepath.Join(flags.DefaultValidatorDir(), flags.WalletDefaultDirName)
	testMnemonic      = "tumble turn jewel sudden social great water general cabin jacket bounce dry flip monster advance problem social half flee inform century chicken hard reason"
)

func TestServer_ListAccounts(t *testing.T) {
	ctx := context.Background()
	localWalletDir := setupWalletDir(t)
	defaultWalletPath = localWalletDir
	strongPass := "29384283xasjasd32%%&*@*#*"
	// We attempt to create the wallet.
	w, err := accounts.CreateWalletWithKeymanager(ctx, &accounts.CreateWalletConfig{
		WalletCfg: &wallet.Config{
			WalletDir:      defaultWalletPath,
			KeymanagerKind: keymanager.Derived,
			WalletPassword: strongPass,
		},
		SkipMnemonicConfirm: true,
	})
	require.NoError(t, err)
	km, err := w.InitializeKeymanager(ctx)
	require.NoError(t, err)
	s := &Server{
		keymanager:        km,
		walletInitialized: true,
		wallet:            w,
	}
	numAccounts := 50
	dr, ok := km.(*derived.Keymanager)
	require.Equal(t, true, ok)
	err = dr.RecoverAccountsFromMnemonic(ctx, testMnemonic, "", numAccounts)
	require.NoError(t, err)
	resp, err := s.ListAccounts(ctx, &pb.ListAccountsRequest{
		PageSize: int32(numAccounts),
	})
	require.NoError(t, err)
	require.Equal(t, len(resp.Accounts), numAccounts)

	tests := []struct {
		req *pb.ListAccountsRequest
		res *pb.ListAccountsResponse
	}{
		{
			req: &pb.ListAccountsRequest{
				PageSize: 5,
			},
			res: &pb.ListAccountsResponse{
				Accounts:      resp.Accounts[0:5],
				NextPageToken: "1",
				TotalSize:     int32(numAccounts),
			},
		},
		{
			req: &pb.ListAccountsRequest{
				PageSize:  5,
				PageToken: "1",
			},
			res: &pb.ListAccountsResponse{
				Accounts:      resp.Accounts[5:10],
				NextPageToken: "2",
				TotalSize:     int32(numAccounts),
			},
		},
	}
	for _, test := range tests {
		res, err := s.ListAccounts(context.Background(), test.req)
		require.NoError(t, err)
		assert.DeepEqual(t, res, test.res)
	}
}