package bitflyer

import (
	"context"
	"errors"
	"log"
	"os"
	"sync"
	"testing"
	"time"

	"github.com/thrasher-corp/gocryptotrader/common"
	"github.com/thrasher-corp/gocryptotrader/config"
	"github.com/thrasher-corp/gocryptotrader/core"
	"github.com/thrasher-corp/gocryptotrader/currency"
	exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
	"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
	"github.com/thrasher-corp/gocryptotrader/exchanges/order"
	"github.com/thrasher-corp/gocryptotrader/portfolio/withdraw"
)

// Please supply your own keys here for due diligence testing
const (
	apiKey                  = ""
	apiSecret               = ""
	canManipulateRealOrders = false
)

var b Bitflyer

func TestMain(m *testing.M) {
	cfg := config.GetConfig()
	err := cfg.LoadConfig("../../testdata/configtest.json", true)
	if err != nil {
		log.Fatal("Bitflyer load config error", err)
	}
	bitflyerConfig, err := cfg.GetExchangeConfig("Bitflyer")
	if err != nil {
		log.Fatal("bitflyer Setup() init error")
	}

	bitflyerConfig.API.AuthenticatedSupport = true
	bitflyerConfig.API.Credentials.Key = apiKey
	bitflyerConfig.API.Credentials.Secret = apiSecret
	b.SetDefaults()
	err = b.Setup(bitflyerConfig)
	if err != nil {
		log.Fatal("Bitflyer setup error", err)
	}

	os.Exit(m.Run())
}

func TestStart(t *testing.T) {
	t.Parallel()
	err := b.Start(context.Background(), nil)
	if !errors.Is(err, common.ErrNilPointer) {
		t.Fatalf("received: '%v' but expected: '%v'", err, common.ErrNilPointer)
	}
	var testWg sync.WaitGroup
	err = b.Start(context.Background(), &testWg)
	if err != nil {
		t.Fatal(err)
	}
	testWg.Wait()
}

func TestGetLatestBlockCA(t *testing.T) {
	t.Parallel()
	_, err := b.GetLatestBlockCA(context.Background())
	if err != nil {
		t.Error("Bitflyer - GetLatestBlockCA() error:", err)
	}
}

func TestGetBlockCA(t *testing.T) {
	t.Parallel()
	_, err := b.GetBlockCA(context.Background(), "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f")
	if err != nil {
		t.Error("Bitflyer - GetBlockCA() error:", err)
	}
}

func TestGetBlockbyHeightCA(t *testing.T) {
	t.Parallel()
	_, err := b.GetBlockbyHeightCA(context.Background(), 0)
	if err != nil {
		t.Error("Bitflyer - GetBlockbyHeightCA() error:", err)
	}
}

func TestGetTransactionByHashCA(t *testing.T) {
	t.Parallel()
	_, err := b.GetTransactionByHashCA(context.Background(), "0562d1f063cd4127053d838b165630445af5e480ceb24e1fd9ecea52903cb772")
	if err != nil {
		t.Error("Bitflyer - GetTransactionByHashCA() error:", err)
	}
}

func TestGetAddressInfoCA(t *testing.T) {
	t.Parallel()
	v, err := b.GetAddressInfoCA(context.Background(), core.BitcoinDonationAddress)
	if err != nil {
		t.Error("Bitflyer - GetAddressInfoCA() error:", err)
	}
	if v.UnconfirmedBalance == 0 || v.ConfirmedBalance == 0 {
		t.Log("Donation wallet is empty :( - please consider donating")
	}
}

func TestGetMarkets(t *testing.T) {
	t.Parallel()
	markets, err := b.GetMarkets(context.Background())
	if err != nil {
		t.Error("Bitflyer - GetMarkets() error:", err)
	}
	for _, market := range markets {
		if market.ProductCode == "" {
			t.Error("Bitflyer - ProductCode is empty in GetMarkets()")
		}
		if market.MarketType == "" {
			t.Error("Bitflyer - MarketType is empty in GetMarkets()")
		}
	}
}

func TestGetOrderBook(t *testing.T) {
	t.Parallel()
	_, err := b.GetOrderBook(context.Background(), "BTC_JPY")
	if err != nil {
		t.Error("Bitflyer - GetOrderBook() error:", err)
	}
}

func TestGetTicker(t *testing.T) {
	t.Parallel()
	_, err := b.GetTicker(context.Background(), "BTC_JPY")
	if err != nil {
		t.Error("Bitflyer - GetTicker() error:", err)
	}
}

func TestGetExecutionHistory(t *testing.T) {
	t.Parallel()
	_, err := b.GetExecutionHistory(context.Background(), "BTC_JPY")
	if err != nil {
		t.Error("Bitflyer - GetExecutionHistory() error:", err)
	}
}

func TestGetExchangeStatus(t *testing.T) {
	t.Parallel()
	_, err := b.GetExchangeStatus(context.Background())
	if err != nil {
		t.Error("Bitflyer - GetExchangeStatus() error:", err)
	}
}

func TestCheckFXString(t *testing.T) {
	t.Parallel()
	p, err := currency.NewPairDelimiter("FXBTC_JPY", "_")
	if err != nil {
		t.Fatal(err)
	}
	p = b.CheckFXString(p)
	if p.Base.String() != "FX_BTC" {
		t.Error("Bitflyer - CheckFXString() error")
	}
}

func TestFetchTicker(t *testing.T) {
	t.Parallel()
	var p currency.Pair

	currencies, err := b.GetAvailablePairs(asset.Spot)
	if err != nil {
		t.Fatal(err)
	}

	for i := range currencies {
		if currencies[i].String() == "FXBTC_JPY" {
			p = currencies[i]
			break
		}
	}

	_, err = b.FetchTicker(context.Background(), p, asset.Spot)
	if err != nil {
		t.Error("Bitflyer - FetchTicker() error", err)
	}
}

func setFeeBuilder() *exchange.FeeBuilder {
	return &exchange.FeeBuilder{
		Amount:              1,
		FeeType:             exchange.CryptocurrencyTradeFee,
		Pair:                currency.NewPair(currency.BTC, currency.LTC),
		PurchasePrice:       1,
		FiatCurrency:        currency.JPY,
		BankTransactionType: exchange.WireTransfer,
	}
}

// TestGetFeeByTypeOfflineTradeFee logic test
func TestGetFeeByTypeOfflineTradeFee(t *testing.T) {
	var feeBuilder = setFeeBuilder()
	_, err := b.GetFeeByType(context.Background(), feeBuilder)
	if err != nil {
		t.Fatal(err)
	}
	if !areTestAPIKeysSet() {
		if feeBuilder.FeeType != exchange.OfflineTradeFee {
			t.Errorf("Expected %v, received %v", exchange.OfflineTradeFee, feeBuilder.FeeType)
		}
	} else {
		if feeBuilder.FeeType != exchange.CryptocurrencyTradeFee {
			t.Errorf("Expected %v, received %v", exchange.CryptocurrencyTradeFee, feeBuilder.FeeType)
		}
	}
}

func TestGetFee(t *testing.T) {
	t.Parallel()
	var feeBuilder = setFeeBuilder()

	if areTestAPIKeysSet() {
		// CryptocurrencyTradeFee Basic
		if _, err := b.GetFee(feeBuilder); err != nil {
			t.Error(err)
		}

		// CryptocurrencyTradeFee High quantity
		feeBuilder = setFeeBuilder()
		feeBuilder.Amount = 1000
		feeBuilder.PurchasePrice = 1000
		if _, err := b.GetFee(feeBuilder); err != nil {
			t.Error(err)
		}

		// CryptocurrencyTradeFee IsMaker
		feeBuilder = setFeeBuilder()
		feeBuilder.IsMaker = true
		if _, err := b.GetFee(feeBuilder); err != nil {
			t.Error(err)
		}

		// CryptocurrencyTradeFee Negative purchase price
		feeBuilder = setFeeBuilder()
		feeBuilder.PurchasePrice = -1000
		if _, err := b.GetFee(feeBuilder); err != nil {
			t.Error(err)
		}

		// CryptocurrencyWithdrawalFee Basic
		feeBuilder = setFeeBuilder()
		feeBuilder.FeeType = exchange.CryptocurrencyWithdrawalFee
		if _, err := b.GetFee(feeBuilder); err != nil {
			t.Error(err)
		}
	}

	// CryptocurrencyDepositFee Basic
	feeBuilder = setFeeBuilder()
	feeBuilder.FeeType = exchange.CryptocurrencyDepositFee
	if _, err := b.GetFee(feeBuilder); err != nil {
		t.Error(err)
	}

	// InternationalBankDepositFee Basic
	feeBuilder = setFeeBuilder()
	feeBuilder.FeeType = exchange.InternationalBankDepositFee
	feeBuilder.FiatCurrency = currency.JPY
	if _, err := b.GetFee(feeBuilder); err != nil {
		t.Error(err)
	}

	// InternationalBankWithdrawalFee Basic
	feeBuilder = setFeeBuilder()
	feeBuilder.FeeType = exchange.InternationalBankWithdrawalFee
	feeBuilder.FiatCurrency = currency.JPY
	if _, err := b.GetFee(feeBuilder); err != nil {
		t.Error(err)
	}
}

func TestFormatWithdrawPermissions(t *testing.T) {
	t.Parallel()
	expectedResult := exchange.AutoWithdrawFiatText + " & " + exchange.WithdrawCryptoViaWebsiteOnlyText
	withdrawPermissions := b.FormatWithdrawPermissions()
	if withdrawPermissions != expectedResult {
		t.Errorf("Expected: %s, Received: %s", expectedResult, withdrawPermissions)
	}
}

func TestGetActiveOrders(t *testing.T) {
	t.Parallel()
	var getOrdersRequest = order.GetOrdersRequest{
		Type:      order.AnyType,
		AssetType: asset.Spot,
		Side:      order.AnySide,
	}

	_, err := b.GetActiveOrders(context.Background(), &getOrdersRequest)
	if areTestAPIKeysSet() && err != nil {
		t.Errorf("Could not get open orders: %s", err)
	} else if !areTestAPIKeysSet() && err == nil {
		t.Error("Expecting an error when no keys are set")
	}
}

func TestGetOrderHistory(t *testing.T) {
	t.Parallel()
	var getOrdersRequest = order.GetOrdersRequest{
		Type:      order.AnyType,
		AssetType: asset.Spot,
		Side:      order.AnySide,
	}

	_, err := b.GetOrderHistory(context.Background(), &getOrdersRequest)
	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected '%v', received '%v'", common.ErrNotYetImplemented, err)
	}
}

// Any tests below this line have the ability to impact your orders on the exchange. Enable canManipulateRealOrders to run them
// ----------------------------------------------------------------------------------------------------------------------------
func areTestAPIKeysSet() bool {
	return b.ValidateAPICredentials(b.GetDefaultCredentials()) == nil
}

func TestSubmitOrder(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	var orderSubmission = &order.Submit{
		Exchange: b.Name,
		Pair: currency.Pair{
			Base:  currency.BTC,
			Quote: currency.LTC,
		},
		Side:      order.Buy,
		Type:      order.Limit,
		Price:     1,
		Amount:    1,
		ClientID:  "meowOrder",
		AssetType: asset.Spot,
	}
	_, err := b.SubmitOrder(context.Background(), orderSubmission)
	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected 'Not Yet Implemented', received %v", err)
	}
}

func TestCancelExchangeOrder(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	currencyPair := currency.NewPair(currency.LTC, currency.BTC)
	var orderCancellation = &order.Cancel{
		OrderID:       "1",
		WalletAddress: core.BitcoinDonationAddress,
		AccountID:     "1",
		Pair:          currencyPair,
		AssetType:     asset.Spot,
	}

	err := b.CancelOrder(context.Background(), orderCancellation)

	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected 'Not Yet Implemented', received %v", err)
	}
}

func TestCancelAllExchangeOrders(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	currencyPair := currency.NewPair(currency.LTC, currency.BTC)
	var orderCancellation = &order.Cancel{
		OrderID:       "1",
		WalletAddress: core.BitcoinDonationAddress,
		AccountID:     "1",
		Pair:          currencyPair,
		AssetType:     asset.Spot,
	}

	_, err := b.CancelAllOrders(context.Background(), orderCancellation)

	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected 'Not Yet Implemented', received %v", err)
	}
}

func TestWithdraw(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	withdrawCryptoRequest := withdraw.Request{
		Exchange:    b.Name,
		Amount:      -1,
		Currency:    currency.BTC,
		Description: "WITHDRAW IT ALL",
		Crypto: withdraw.CryptoRequest{
			Address: core.BitcoinDonationAddress,
		},
	}

	_, err := b.WithdrawCryptocurrencyFunds(context.Background(),
		&withdrawCryptoRequest)
	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected 'Not Yet Implemented', received %v", err)
	}
}

func TestModifyOrder(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}
	_, err := b.ModifyOrder(context.Background(),
		&order.Modify{AssetType: asset.Spot})
	if err == nil {
		t.Error("ModifyOrder() Expected error")
	}
}

func TestWithdrawFiat(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	var withdrawFiatRequest = withdraw.Request{}

	_, err := b.WithdrawFiatFunds(context.Background(), &withdrawFiatRequest)
	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected '%v', received: '%v'", common.ErrNotYetImplemented, err)
	}
}

func TestWithdrawInternationalBank(t *testing.T) {
	t.Parallel()
	if areTestAPIKeysSet() && !canManipulateRealOrders {
		t.Skip("API keys set, canManipulateRealOrders false, skipping test")
	}

	var withdrawFiatRequest = withdraw.Request{}

	_, err := b.WithdrawFiatFundsToInternationalBank(context.Background(),
		&withdrawFiatRequest)
	if err != common.ErrNotYetImplemented {
		t.Errorf("Expected '%v', received: '%v'", common.ErrNotYetImplemented, err)
	}
}

func TestGetRecentTrades(t *testing.T) {
	t.Parallel()
	currencyPair, err := currency.NewPairFromString("BTC_JPY")
	if err != nil {
		t.Fatal(err)
	}
	_, err = b.GetRecentTrades(context.Background(), currencyPair, asset.Spot)
	if err != nil {
		t.Error(err)
	}
}

func TestGetHistoricTrades(t *testing.T) {
	t.Parallel()
	currencyPair, err := currency.NewPairFromString("BTC_JPY")
	if err != nil {
		t.Fatal(err)
	}
	_, err = b.GetHistoricTrades(context.Background(),
		currencyPair, asset.Spot, time.Now().Add(-time.Minute*15), time.Now())
	if err != nil && err != common.ErrFunctionNotSupported {
		t.Fatal(err)
	}
}