require 'helper'

describe MtGox::Client do
  before do
    @client = MtGox::Client.new
    MtGox.configure do |config|
      config.key = "key"
      config.secret = "secret"
    end
  end

  describe '#address' do
    before do
      stub_post('/api/0/btcAddress.php').
        to_return(status: 200, body: fixture('address.json'))
    end

    it "should fetch a deposit address" do
      address = @client.address
      a_post('/api/0/btcAddress.php').
        should have_been_made
      address.should == '171dH9Uum6wWLSwH2g8g2yto6SG7NEGyXG'
    end
  end

  describe '#ticker' do
    before do
      stub_get('/api/0/data/ticker.php').
        to_return(status: 200, body: fixture('ticker.json'))
    end

    it "should fetch the ticker" do
      ticker = @client.ticker
      a_get('/api/0/data/ticker.php').
        should have_been_made
      ticker.buy.should  == 26.4
      ticker.sell.should == 26.6099
      ticker.high.should == 28.678
      ticker.low.should  == 18.4
      ticker.price.should == 26.5
      ticker.volume.should  == 80531.0
      ticker.vwap.should == 3.81561
    end
  end

  describe 'depth methods' do
    before :each do
      stub_get('/api/0/data/getDepth.php').
        to_return(status: 200, body: fixture('depth.json'))
    end

    describe '#asks' do
      it "should fetch open asks" do
        asks = @client.asks
        a_get('/api/0/data/getDepth.php').
          should have_been_made
        asks.last.price.should == 23.75
        asks.last.eprice.should == 23.905385002516354
        asks.last.amount.should == 50
      end

      it "should be sorted in price-ascending order" do
        asks = @client.asks
        asks.sort_by{|ask| ask.price}.should == asks
      end

    end

    describe "#bids" do
      it "should fetch open bids" do
        bids = @client.bids
        a_get('/api/0/data/getDepth.php').
          should have_been_made
        bids.last.price.should == 14.62101
        bids.last.eprice.should == 14.525973435000001
        bids.last.amount.should == 5
      end

      it "should be sorted in price-descending order" do
        bids = @client.bids
        bids.sort_by{|bid| bid.price}.reverse.should == bids
      end
    end

    describe "#offers" do
      it "should fetch both bids and asks, with only one call" do
        offers = @client.offers
        a_get('/api/0/data/getDepth.php').
          should have_been_made.once
        offers[:asks].last.price.should == 23.75
        offers[:asks].last.eprice.should == 23.905385002516354
        offers[:asks].last.amount.should == 50
        offers[:bids].last.price.should == 14.62101
        offers[:bids].last.eprice.should == 14.525973435000001
        offers[:bids].last.amount.should == 5
      end
    end

    describe '#min_ask' do
      it "should fetch the lowest priced ask" do
        min_ask = @client.min_ask
        a_get('/api/0/data/getDepth.php').
          should have_been_made.once
        min_ask.price.should == 17.00009
        min_ask.eprice.should == 17.11131353799698
        min_ask.amount.should == 36.22894353
      end
    end

    describe '#max_bid' do
      it "should fetch the highest priced bid" do
        max_bid = @client.max_bid
        a_get('/api/0/data/getDepth.php').
          should have_been_made.once
        max_bid.price.should == 17.0
        max_bid.eprice.should == 16.8895
        max_bid.amount.should == 82.53875035
      end
    end

  end

  describe '#trades' do
    before do
      stub_get('/api/0/data/getTrades.php').
        to_return(status: 200, body: fixture('trades.json'))
    end

    it "should fetch trades" do
      trades = @client.trades
      a_get('/api/0/data/getTrades.php').
        should have_been_made
      trades.last.date.should == Time.utc(2011, 6, 27, 18, 28, 8)
      trades.last.price.should == 17.00009
      trades.last.amount.should == 0.5
      trades.last.id.should == 1309199288687054
    end
  end

  describe '#balance' do
    before do
      stub_post('/api/0/getFunds.php').
        with(body: test_body, headers: test_headers).
        to_return(status: 200, body: fixture('balance.json'))
    end

    it "should fetch balance" do
      balance = @client.balance
      a_post("/api/0/getFunds.php").
        with(body: test_body, headers: test_headers).
        should have_been_made
      balance.first.currency.should == "BTC"
      balance.first.amount.should == 22.0
      balance.last.currency.should == "USD"
      balance.last.amount.should == 3.7
    end
  end

  describe "order methods" do
    before :each do
      stub_post('/api/0/getOrders.php').
        with(body: test_body, headers: test_headers).
        to_return(status: 200, body: fixture('orders.json'))
    end

    describe "#buys" do
      it "should fetch orders" do
        buys = @client.buys
        a_post("/api/0/getOrders.php").
          with(body: test_body, headers: test_headers).
          should have_been_made
        buys.last.price.should == 7
        buys.last.date.should == Time.utc(2011, 6, 27, 18, 20, 38)
      end
    end

    describe "#sells" do
      it "should fetch sells" do
        sells = @client.sells
        a_post("/api/0/getOrders.php").
          with(body: test_body, headers: test_headers).
          should have_been_made
        sells.last.price.should == 99.0
        sells.last.date.should == Time.utc(2011, 6, 27, 18, 20, 20)
      end
    end

    describe "#orders" do
      it "should fetch both buys and sells, with only one call" do
        orders = @client.orders
        a_post("/api/0/getOrders.php").
          with(body: test_body, headers: test_headers).
          should have_been_made
        orders[:buys].last.price.should == 7.0
        orders[:buys].last.date.should == Time.utc(2011, 6, 27, 18, 20, 38)
        orders[:sells].last.price.should == 99.0
        orders[:sells].last.date.should == Time.utc(2011, 6, 27, 18, 20, 20)
      end
    end
  end

  describe "#buy!" do
    before do
      body = test_body({"amount" => "0.88", "price" => "0.89"})
      stub_post('/api/0/buyBTC.php').
        with(body: body, headers: test_headers(body)).
        to_return(status: 200, body: fixture('buy.json'))
    end

    it "should place a bid" do
      buy = @client.buy!(0.88, 0.89)
      body = test_body({"amount" => "0.88", "price" => "0.89"})
      a_post("/api/0/buyBTC.php").
        with(body: body, headers: test_headers(body)).
        should have_been_made
      buy[:buys].last.price.should == 2.0
      buy[:buys].last.date.should == Time.utc(2011, 6, 27, 18, 26, 21)
      buy[:sells].last.price.should == 99.0
      buy[:sells].last.date.should == Time.utc(2011, 6, 27, 18, 20, 20)
    end
  end

  describe "#sell!" do
    before do
      body = test_body({"amount" => "0.88", "price" => "89.0"})
      stub_post('/api/0/sellBTC.php').
        with(body: body, headers: test_headers(body)).
        to_return(status: 200, body: fixture('sell.json'))
    end

    it "should place an ask" do
      body = test_body({"amount" => "0.88", "price" => "89.0"})
      sell = @client.sell!(0.88, 89.0)
      a_post("/api/0/sellBTC.php").
        with(body: body, headers: test_headers(body)).
        should have_been_made
      sell[:buys].last.price.should == 2.0
      sell[:buys].last.date.should == Time.utc(2011, 6, 27, 18, 26, 21)
      sell[:sells].last.price.should == 200
      sell[:sells].last.date.should == Time.utc(2011, 6, 27, 18, 27, 54)
    end
  end

  describe "#cancel" do
    before do
      cancel_body = test_body({"oid" => "bddd042c-e837-4a88-a92e-3b7c05e483df", "type" => "2"})
      stub_post('/api/0/getOrders.php').
        with(body: test_body, headers: test_headers).
        to_return(status: 200, body: fixture('orders.json'))
      stub_post('/api/0/cancelOrder.php').
        with(body: cancel_body, headers: test_headers(cancel_body)).
        to_return(status: 200, body: fixture('cancel.json'))
    end

    context "with a valid oid passed" do
      it "should cancel an order" do
        cancel = @client.cancel("bddd042c-e837-4a88-a92e-3b7c05e483df")
        cancel_body = test_body({"oid" => "bddd042c-e837-4a88-a92e-3b7c05e483df", "type" => "2"})
        a_post("/api/0/getOrders.php").
          with(body: test_body, headers: test_headers).
          should have_been_made.once
        a_post('/api/0/cancelOrder.php').
          with(body: cancel_body, headers: test_headers(cancel_body)).
          should have_been_made
        cancel[:buys].last.price.should == 7.0
        cancel[:buys].last.date.should == Time.utc(2011, 6, 27, 18, 20, 38)
        cancel[:sells].last.price.should == 99.0
        cancel[:sells].last.date.should == Time.utc(2011, 6, 27, 18, 20, 20)
      end
    end

    context "with an invalid oid passed" do
      it "should raise an error" do
        lambda do
          @client.cancel(1234567890)
        end.should raise_error(Faraday::Error::ResourceNotFound)
      end
    end

    context "with an order passed" do
      it "should cancel an order" do
        cancel = @client.cancel({'oid' => "bddd042c-e837-4a88-a92e-3b7c05e483df", 'type' => 2})
        body = test_body({"oid" => "bddd042c-e837-4a88-a92e-3b7c05e483df", "type" => "2"})
        a_post('/api/0/cancelOrder.php').
          with(body: body, headers: test_headers(body)).
          should have_been_made
        cancel[:buys].last.price.should == 7.0
        cancel[:buys].last.date.should == Time.utc(2011, 6, 27, 18, 20, 38)
        cancel[:sells].last.price.should == 99.0
        cancel[:sells].last.date.should == Time.utc(2011, 6, 27, 18, 20, 20)
      end
    end
  end

  describe "#withdraw!" do
    before do
      body = test_body({"group1" => "BTC", "amount" => "1.0", "btca" => "1KxSo9bGBfPVFEtWNLpnUK1bfLNNT4q31L"})
      stub_post('/api/0/withdraw.php').
        with(body: body, headers: test_headers(body)).
        to_return(status: 200, body: fixture('withdraw.json'))
    end

    it "should withdraw funds" do
      withdraw = @client.withdraw!(1.0, "1KxSo9bGBfPVFEtWNLpnUK1bfLNNT4q31L")
      body = test_body({"group1" => "BTC", "amount" => "1.0", "btca" => "1KxSo9bGBfPVFEtWNLpnUK1bfLNNT4q31L"})
      a_post("/api/0/withdraw.php").
        with(body: body, headers: test_headers(body)).
        should have_been_made
      withdraw.first.currency.should == "BTC"
      withdraw.first.amount.should == 9.0
      withdraw.last.currency.should == "USD"
      withdraw.last.amount.should == 64.59
    end
  end
end