package portfolio

import (
	"reflect"
	"testing"
	"time"

	"github.com/thrasher-corp/gocryptotrader/currency"
)

func TestGetEthereumBalance(t *testing.T) {
	address := "0xb794f5ea0ba39494ce839613fffba74279579268"
	nonsenseAddress := "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"

	response, err := GetEthereumBalance(address)
	if err != nil {
		t.Errorf("Portfolio GetEthereumBalance() Error: %s", err)
	}

	if response.Address != "0xb794f5ea0ba39494ce839613fffba74279579268" {
		t.Error("Portfolio GetEthereumBalance() address invalid")
	}

	response, err = GetEthereumBalance(nonsenseAddress)
	if response.Error.Message != "" || err == nil {
		t.Errorf("Portfolio GetEthereumBalance() Error: %s",
			response.Error.Message)
	}
}

func TestGetCryptoIDBalance(t *testing.T) {
	ltcAddress := "LX2LMYXtuv5tiYEMztSSoEZcafFPYJFRK1"
	_, err := GetCryptoIDAddress(ltcAddress, currency.LTC)
	if err != nil {
		t.Fatalf("TestGetCryptoIDBalance error: %s", err)
	}
}

func TestGetAddressBalance(t *testing.T) {
	ltcAddress := "LdP8Qox1VAhCzLJNqrr74YovaWYyNBUWvL"
	ltc := currency.LTC
	description := "Description of Wallet"
	balance := float64(1000)

	portfolio := Base{}
	portfolio.AddAddress(ltcAddress, description, ltc, balance)

	addBalance, _ := portfolio.GetAddressBalance("LdP8Qox1VAhCzLJNqrr74YovaWYyNBUWvL",
		description,
		ltc)

	if addBalance != balance {
		t.Error("Portfolio GetAddressBalance() Error: Incorrect value")
	}

	addBalance, found := portfolio.GetAddressBalance("WigWham",
		description,
		ltc)

	if addBalance != 0 {
		t.Error("Portfolio GetAddressBalance() Error: Incorrect value")
	}
	if found {
		t.Error("Portfolio GetAddressBalance() Error: Incorrect value")
	}
}

func TestExchangeExists(t *testing.T) {
	newBase := Base{}
	newBase.AddAddress("someaddress",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		0.02)

	if !newBase.ExchangeExists("someaddress") {
		t.Error("portfolio_test.go - AddressExists error")
	}
	if newBase.ExchangeExists("bla") {
		t.Error("portfolio_test.go - AddressExists error")
	}
}

func TestAddressExists(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		0.02)

	if !newbase.AddressExists("someaddress") {
		t.Error("portfolio_test.go - AddressExists error")
	}
	if newbase.AddressExists("bla") {
		t.Error("portfolio_test.go - AddressExists error")
	}
}

func TestExchangeAddressExists(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress",
		currency.LTC.String(),
		currency.LTC,
		0.02)

	if !newbase.ExchangeAddressExists("someaddress", currency.LTC) {
		t.Error("portfolio_test.go - ExchangeAddressExists error")
	}
	if newbase.ExchangeAddressExists("TEST", currency.LTC) {
		t.Error("portfolio_test.go - ExchangeAddressExists error")
	}
}

func TestAddExchangeAddress(t *testing.T) {
	newbase := Base{}
	newbase.AddExchangeAddress("OKEX", currency.BTC, 100)
	newbase.AddExchangeAddress("OKEX", currency.BTC, 200)

	if !newbase.ExchangeAddressExists("OKEX", currency.BTC) {
		t.Error("TestExchangeAddressExists address doesn't exist")
	}
}

func TestUpdateAddressBalance(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		0.02)

	newbase.UpdateAddressBalance("someaddress", 0.03)

	value := newbase.GetPortfolioSummary()
	if value.Totals[0].Coin != currency.LTC &&
		value.Totals[0].Balance != 0.03 {
		t.Error("portfolio_test.go - UpdateUpdateAddressBalance error")
	}
}

func TestRemoveAddress(t *testing.T) {
	var newbase Base
	if err := newbase.RemoveAddress("", "MEOW", currency.LTC); err == nil {
		t.Error("invalid address should throw an error")
	}

	if err := newbase.RemoveAddress("Gibson", "", currency.NewCode("")); err == nil {
		t.Error("invalid coin type should throw an error")
	}

	if err := newbase.RemoveAddress("HIDDENERINO", "MEOW", currency.LTC); err == nil {
		t.Error("non-existent address should throw an error")
	}

	newbase.AddAddress("someaddr",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		420)

	if !newbase.AddressExists("someaddr") {
		t.Error("portfolio_test.go - TestRemoveAddress")
	}

	newbase.RemoveAddress("someaddr",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"))
	if newbase.AddressExists("someaddr") {
		t.Error("portfolio_test.go - TestRemoveAddress")
	}
}

func TestRemoveExchangeAddress(t *testing.T) {
	newbase := Base{}
	exchangeName := "BallerExchange"
	coinType := currency.LTC

	newbase.AddExchangeAddress(exchangeName, coinType, 420)

	if !newbase.ExchangeAddressExists(exchangeName, coinType) {
		t.Error("portfolio_test.go - TestRemoveAddress")
	}

	newbase.RemoveExchangeAddress(exchangeName, coinType)
	if newbase.ExchangeAddressExists(exchangeName, coinType) {
		t.Error("portfolio_test.go - TestRemoveAddress")
	}
}

func TestUpdateExchangeAddressBalance(t *testing.T) {
	newbase := Base{}
	newbase.AddExchangeAddress("someaddress", currency.LTC, 0.02)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	portfolio.UpdateExchangeAddressBalance("someaddress", currency.LTC, 0.04)

	value := portfolio.GetPortfolioSummary()
	if value.Totals[0].Coin != currency.LTC && value.Totals[0].Balance != 0.04 {
		t.Error("portfolio_test.go - UpdateExchangeAddressBalance error")
	}
}

func TestAddAddress(t *testing.T) {
	var newbase Base
	if err := newbase.AddAddress("", "MEOW", currency.LTC, 1); err == nil {
		t.Error("invalid address should throw an error")
	}

	if err := newbase.AddAddress("Gibson", "", currency.NewCode(""), 1); err == nil {
		t.Error("invalid coin type should throw an error")
	}

	// test adding an exchange address
	err := newbase.AddAddress("COINUT", PortfolioAddressExchange, currency.LTC, 0)
	if err != nil {
		t.Errorf("failed to add address: %v", err)
	}

	// add a test portfolio address and amount
	newbase.AddAddress("Gibson",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		0.02)

	// test updating the balance and make sure it's reflected
	newbase.AddAddress("Gibson", currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"), 0.05)
	b, _ := newbase.GetAddressBalance("Gibson", "LTC",
		currency.NewCode("LTCWALLETTEST"))
	if b != 0.05 {
		t.Error("invalid portfolio amount")
	}

	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	if !portfolio.AddressExists("Gibson") {
		t.Error("portfolio_test.go - AddAddress error")
	}

	// Test updating balance to <= 0, expected result is to remove the address.
	// Fail if address still exists.
	newbase.AddAddress("Gibson",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		-1)

	if newbase.AddressExists("Gibson") {
		t.Error("portfolio_test.go - AddAddress error")
	}
}

func TestUpdatePortfolio(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress",
		currency.LTC.String(),
		currency.NewCode("LTCWALLETTEST"),
		0.02)

	portfolio := GetPortfolio()
	portfolio.Seed(newbase)

	err := portfolio.UpdatePortfolio(
		[]string{"LdP8Qox1VAhCzLJNqrr74YovaWYyNBUWvL"},
		currency.LTC)
	if err != nil {
		t.Error("portfolio_test.go - UpdatePortfolio error", err)
	}
	err = portfolio.UpdatePortfolio([]string{"Testy"}, currency.LTC)
	if err == nil {
		t.Error("portfolio_test.go - UpdatePortfolio error cannot be nil")
	}
	err = portfolio.UpdatePortfolio(
		[]string{"LdP8Qox1VAhCzLJNqrr74YovaWYyNBUWvL", "LVa8wZ983PvWtdwXZ8viK6SocMENLCXkEy"},
		currency.LTC,
	)
	if err != nil {
		t.Error("portfolio_test.go - UpdatePortfolio error", err)
	}
	err = portfolio.UpdatePortfolio(
		[]string{"LdP8Qox1VAhCzLJNqrr74YovaWYyNBUWvL", "Testy"}, currency.LTC,
	)
	if err == nil {
		t.Error("portfolio_test.go - UpdatePortfolio error cannot be nil")
	}

	time.Sleep(time.Second * 5)
	err = portfolio.UpdatePortfolio(
		[]string{"0xb794f5ea0ba39494ce839613fffba74279579268",
			"0xe853c56864a2ebe4576a807d26fdc4a0ada51919"}, currency.ETH,
	)
	if err == nil { // eth support seems to have been dropped for cryptoid
		t.Error("portfolio_test.go - UpdatePortfolio error cannot be nil")
	}
	err = portfolio.UpdatePortfolio(
		[]string{"0xb794f5ea0ba39494ce839613fffba74279579268", "TESTY"}, currency.ETH,
	)
	if err == nil {
		t.Error("portfolio_test.go - UpdatePortfolio error cannot be nil")
	}

	err = portfolio.UpdatePortfolio(
		[]string{PortfolioAddressExchange, PortfolioAddressPersonal}, currency.LTC)

	if err != nil {
		t.Error("portfolio_test.go - UpdatePortfolio error", err)
	}
}

func TestGetPortfolioByExchange(t *testing.T) {
	newbase := Base{}
	newbase.AddExchangeAddress("OKEX", currency.LTC, 0.07)
	newbase.AddExchangeAddress("Bitfinex", currency.LTC, 0.05)
	newbase.AddAddress("someaddress", "LTC", currency.NewCode(PortfolioAddressPersonal), 0.03)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	value := portfolio.GetPortfolioByExchange("OKEX")
	result, ok := value[currency.LTC]
	if !ok {
		t.Error("portfolio_test.go - GetPortfolioByExchange error")
	}

	if result != 0.07 {
		t.Error("portfolio_test.go - GetPortfolioByExchange result != 0.10")
	}

	value = portfolio.GetPortfolioByExchange("Bitfinex")
	result, ok = value[currency.LTC]
	if !ok {
		t.Error("portfolio_test.go - GetPortfolioByExchange error")
	}

	if result != 0.05 {
		t.Error("portfolio_test.go - GetPortfolioByExchange result != 0.05")
	}
}

func TestGetExchangePortfolio(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("OKEX", PortfolioAddressExchange, currency.LTC, 0.03)
	newbase.AddAddress("Bitfinex", PortfolioAddressExchange, currency.LTC, 0.05)
	newbase.AddAddress("someaddress", PortfolioAddressPersonal, currency.LTC, 0.03)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	value := portfolio.GetExchangePortfolio()

	result, ok := value[currency.LTC]
	if !ok {
		t.Error("portfolio_test.go - GetExchangePortfolio error")
	}

	if result != 0.08 {
		t.Error("portfolio_test.go - GetExchangePortfolio result != 0.08")
	}
}

func TestGetPersonalPortfolio(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress", PortfolioAddressPersonal, currency.N2O, 0.02)
	newbase.AddAddress("anotheraddress", PortfolioAddressPersonal, currency.N2O, 0.03)
	newbase.AddAddress("Exchange", PortfolioAddressExchange, currency.N2O, 0.01)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	value := portfolio.GetPersonalPortfolio()
	result, ok := value[currency.N2O]
	if !ok {
		t.Error("portfolio_test.go - GetPersonalPortfolio error")
	}

	if result != 0.05 {
		t.Error("portfolio_test.go - GetPersonalPortfolio result != 0.05")
	}
}

func TestGetPortfolioSummary(t *testing.T) {
	newbase := Base{}
	// Personal holdings
	newbase.AddAddress("someaddress", PortfolioAddressPersonal, currency.LTC, 1)
	newbase.AddAddress("someaddress2", PortfolioAddressPersonal, currency.LTC, 2)
	newbase.AddAddress("someaddress3", PortfolioAddressPersonal, currency.BTC, 100)
	newbase.AddAddress("0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae",
		PortfolioAddressPersonal, currency.ETH, 865346880000000000)
	newbase.AddAddress("0x9edc81c813b26165f607a8d1b8db87a02f34307f",
		PortfolioAddressPersonal, currency.ETH, 165346880000000000)

	// Exchange holdings
	newbase.AddExchangeAddress("Bitfinex", currency.LTC, 20)
	newbase.AddExchangeAddress("Bitfinex", currency.BTC, 100)
	newbase.AddExchangeAddress("OKEX", currency.ETH, 42)

	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	value := portfolio.GetPortfolioSummary()

	getTotalsVal := func(c currency.Code) Coin {
		for x := range value.Totals {
			if value.Totals[x].Coin == c {
				return value.Totals[x]
			}
		}
		return Coin{}
	}

	if getTotalsVal(currency.LTC).Coin != currency.LTC {
		t.Error("portfolio_test.go - TestGetPortfolioSummary error")
	}

	if getTotalsVal(currency.ETH).Coin == currency.LTC {
		t.Error("portfolio_test.go - TestGetPortfolioSummary error")
	}

	if getTotalsVal(currency.LTC).Balance != 23 {
		t.Error("portfolio_test.go - TestGetPortfolioSummary error")
	}

	if getTotalsVal(currency.BTC).Balance != 200 {
		t.Error("portfolio_test.go - TestGetPortfolioSummary error")
	}
}

func TestGetPortfolioGroupedCoin(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress", currency.LTC.String(), currency.LTC, 0.02)
	newbase.AddAddress("Exchange", PortfolioAddressExchange, currency.LTC, 0.05)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)
	value := portfolio.GetPortfolioGroupedCoin()
	if value[currency.LTC][0] != "someaddress" && len(value[currency.LTC][0]) != 1 {
		t.Error("portfolio_test.go - GetPortfolioGroupedCoin error")
	}
}

func TestSeed(t *testing.T) {
	newbase := Base{}
	newbase.AddAddress("someaddress", currency.LTC.String(), currency.LTC, 0.02)
	portfolio := GetPortfolio()
	portfolio.Seed(newbase)

	if !portfolio.AddressExists("someaddress") {
		t.Error("portfolio_test.go - Seed error")
	}
}

func TestStartPortfolioWatcher(t *testing.T) {
	newBase := Base{}
	newBase.AddAddress("LX2LMYXtuv5tiYEMztSSoEZcafFPYJFRK1",
		currency.LTC.String(),
		currency.NewCode(PortfolioAddressPersonal),
		0.02)

	newBase.AddAddress("Testy",
		currency.LTC.String(),
		currency.NewCode(PortfolioAddressPersonal),
		0.02)

	portfolio := GetPortfolio()
	portfolio.Seed(newBase)

	if !portfolio.AddressExists("LX2LMYXtuv5tiYEMztSSoEZcafFPYJFRK1") {
		t.Error("portfolio_test.go - TestStartPortfolioWatcher")
	}

	go StartPortfolioWatcher()
}

func TestGetPortfolio(t *testing.T) {
	ptrBASE := GetPortfolio()
	if reflect.TypeOf(ptrBASE).String() != "*portfolio.Base" {
		t.Error("portfolio_test.go - GetoPortfolio error")
	}
}