// stm: #unit
package cli

import (
	"context"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"testing"

	"github.com/golang/mock/gomock"
	"github.com/ipfs/go-cid"
	"github.com/multiformats/go-multihash"
	"github.com/stretchr/testify/assert"

	"github.com/filecoin-project/go-address"
	"github.com/filecoin-project/go-state-types/abi"
	"github.com/filecoin-project/go-state-types/big"
	"github.com/filecoin-project/go-state-types/crypto"

	"github.com/filecoin-project/lotus/api"
	apitypes "github.com/filecoin-project/lotus/api/types"
	"github.com/filecoin-project/lotus/chain/types"
	"github.com/filecoin-project/lotus/chain/types/mock"
)

func TestWalletNew(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletNew))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	keyType := types.KeyType("secp256k1")
	address, err := address.NewFromString("t0123")
	assert.NoError(t, err)

	mockApi.EXPECT().WalletNew(ctx, keyType).Return(address, nil)

	//stm: @CLI_WALLET_NEW_001
	err = app.Run([]string{"wallet", "new"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), address.String())
}

func TestWalletList(t *testing.T) {

	addr, err := address.NewIDAddress(1234)
	addresses := []address.Address{addr}
	assert.NoError(t, err)

	cid := cid.Cid{}
	key := types.NewTipSetKey(cid)

	actor := types.Actor{
		Code:    cid,
		Head:    cid,
		Nonce:   0,
		Balance: big.NewInt(100),
	}

	t.Run("wallet-list-addr-only", func(t *testing.T) {

		app, mockApi, buf, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletList))
		defer done()

		ctx, cancel := context.WithCancel(context.Background())
		defer cancel()

		gomock.InOrder(
			mockApi.EXPECT().WalletList(ctx).Return(addresses, nil),
			mockApi.EXPECT().WalletDefaultAddress(ctx).Return(addr, nil),
		)

		//stm: @CLI_WALLET_LIST_001
		err := app.Run([]string{"wallet", "list", "--addr-only"})
		assert.NoError(t, err)
		assert.Contains(t, buf.String(), addr.String())
	})
	t.Run("wallet-list-id", func(t *testing.T) {

		app, mockApi, _, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletList))
		defer done()

		ctx, cancel := context.WithCancel(context.Background())
		defer cancel()

		gomock.InOrder(
			mockApi.EXPECT().WalletList(ctx).Return(addresses, nil),
			mockApi.EXPECT().WalletDefaultAddress(ctx).Return(addr, nil),
			mockApi.EXPECT().StateGetActor(ctx, addr, key).Return(&actor, nil),
			mockApi.EXPECT().StateLookupID(ctx, addr, key).Return(addr, nil),
		)

		//stm: @CLI_WALLET_LIST_002
		err := app.Run([]string{"wallet", "list", "--id"})
		assert.NoError(t, err)
	})
	t.Run("wallet-list-market", func(t *testing.T) {

		app, mockApi, _, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletList))
		defer done()

		ctx, cancel := context.WithCancel(context.Background())
		defer cancel()

		balance := api.MarketBalance{
			Escrow: big.NewInt(1234),
			Locked: big.NewInt(123),
		}

		gomock.InOrder(
			mockApi.EXPECT().WalletList(ctx).Return(addresses, nil),
			mockApi.EXPECT().WalletDefaultAddress(ctx).Return(addr, nil),
			mockApi.EXPECT().StateGetActor(ctx, addr, key).Return(&actor, nil),
			mockApi.EXPECT().StateMarketBalance(ctx, addr, key).Return(balance, nil),
		)

		//stm: @CLI_WALLET_LIST_003
		err := app.Run([]string{"wallet", "list", "--market"})
		assert.NoError(t, err)
	})
}

func TestWalletBalance(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletBalance))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	balance := big.NewInt(1234)

	// add blocks to the chain
	first := mock.TipSet(mock.MkBlock(nil, 5, 4))
	head := mock.TipSet(mock.MkBlock(first, 15, 7))

	mockApi.EXPECT().ChainHead(ctx).Return(head, nil)
	mockApi.EXPECT().WalletBalance(ctx, addr).Return(balance, nil)

	//stm: @CLI_WALLET_BALANCE_001
	err = app.Run([]string{"wallet", "balance", "f01234"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), balance.String())
}

func TestWalletGetDefault(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletGetDefault))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewFromString("t0123")
	assert.NoError(t, err)

	mockApi.EXPECT().WalletDefaultAddress(ctx).Return(addr, nil)

	//stm: @CLI_WALLET_GET_DEFAULT_001
	err = app.Run([]string{"wallet", "default"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), addr.String())
}

func TestWalletSetDefault(t *testing.T) {
	app, mockApi, _, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletSetDefault))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	mockApi.EXPECT().WalletSetDefault(ctx, addr).Return(nil)

	//stm: @CLI_WALLET_SET_DEFAULT_001
	err = app.Run([]string{"wallet", "set-default", "f01234"})
	assert.NoError(t, err)
}

func TestWalletExport(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletExport))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	keyInfo := types.KeyInfo{
		Type:       types.KTSecp256k1,
		PrivateKey: []byte("0x000000000000000000001"),
	}

	mockApi.EXPECT().WalletExport(ctx, addr).Return(&keyInfo, nil)

	ki, err := json.Marshal(keyInfo)
	assert.NoError(t, err)

	//stm: @CLI_WALLET_EXPORT_001
	err = app.Run([]string{"wallet", "export", "f01234"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), hex.EncodeToString(ki))
}

func TestWalletSign(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletSign))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewFromString("f01234")
	assert.NoError(t, err)

	msg, err := hex.DecodeString("01")
	assert.NoError(t, err)

	signature := crypto.Signature{
		Type: crypto.SigTypeSecp256k1,
		Data: []byte{0x01},
	}

	mockApi.EXPECT().WalletSign(ctx, addr, msg).Return(&signature, nil)

	sigBytes := append([]byte{byte(signature.Type)}, signature.Data...)

	//stm: @CLI_WALLET_SIGN_001
	err = app.Run([]string{"wallet", "sign", "f01234", "01"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), hex.EncodeToString(sigBytes))
}

func TestWalletVerify(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletVerify))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	msg := []byte{1}
	signature := crypto.Signature{
		Type: crypto.SigTypeSecp256k1,
		Data: []byte{},
	}

	mockApi.EXPECT().WalletVerify(ctx, addr, msg, &signature).Return(true, nil)

	//stm: @CLI_WALLET_VERIFY_001
	err = app.Run([]string{"wallet", "verify", "f01234", "01", "01"})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), "valid")
}

func TestWalletDelete(t *testing.T) {
	app, mockApi, _, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletDelete))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	mockApi.EXPECT().WalletDelete(ctx, addr).Return(nil)

	//stm: @CLI_WALLET_DELETE_001
	err = app.Run([]string{"wallet", "delete", "f01234"})
	assert.NoError(t, err)
}

func TestWalletMarketWithdraw(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletMarket))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	addr, err := address.NewIDAddress(1234)
	assert.NoError(t, err)

	balance := api.MarketBalance{
		Escrow: big.NewInt(100),
		Locked: big.NewInt(10),
	}

	h, err := hex.DecodeString("12209cbc07c3f991725836a3aa2a581ca2029198aa420b9d99bc0e131d9f3e2cbe47")
	assert.NoError(t, err)
	cid := cid.NewCidV0(multihash.Multihash(h))
	msgLookup := api.MsgLookup{}

	var networkVers apitypes.NetworkVersion

	gomock.InOrder(
		mockApi.EXPECT().StateMarketBalance(ctx, addr, types.TipSetKey{}).Return(balance, nil),
		// mock reserve to 10
		mockApi.EXPECT().MarketGetReserved(ctx, addr).Return(big.NewInt(10), nil),
		// available should be 80.. escrow - locked - reserve
		mockApi.EXPECT().MarketWithdraw(ctx, addr, addr, big.NewInt(80)).Return(cid, nil),
		mockApi.EXPECT().StateWaitMsg(ctx, cid, uint64(5), abi.ChainEpoch(int64(-1)), true).Return(&msgLookup, nil),
		mockApi.EXPECT().StateNetworkVersion(ctx, types.TipSetKey{}).Return(networkVers, nil),
	)

	//stm: @CLI_WALLET_MARKET_WITHDRAW_001
	err = app.Run([]string{"wallet", "market", "withdraw", "--wallet", addr.String()})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), fmt.Sprintf("WithdrawBalance message cid: %s", cid))
}

func TestWalletMarketAdd(t *testing.T) {
	app, mockApi, buffer, done := NewMockAppWithFullAPI(t, WithCategory("wallet", walletMarket))
	defer done()

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	toAddr := address.Address{}
	defaultAddr := address.Address{}

	h, err := hex.DecodeString("12209cbc07c3f991725836a3aa2a581ca2029198aa420b9d99bc0e131d9f3e2cbe47")
	assert.NoError(t, err)
	cid := cid.NewCidV0(multihash.Multihash(h))

	gomock.InOrder(
		mockApi.EXPECT().WalletDefaultAddress(ctx).Return(defaultAddr, nil),
		mockApi.EXPECT().MarketAddBalance(ctx, defaultAddr, toAddr, big.NewInt(80)).Return(cid, nil),
	)

	//stm: @CLI_WALLET_MARKET_ADD_001
	err = app.Run([]string{"wallet", "market", "add", "0.000000000000000080", "--address", toAddr.String()})
	assert.NoError(t, err)
	assert.Contains(t, buffer.String(), fmt.Sprintf("AddBalance message cid: %s", cid))
}