using CryptoExchange.Net.Objects;
using CryptoExchange.Net.Testing;
using CryptoExchange.Net.UnitTests.Implementations;
using CryptoExchange.Net.UnitTests.TestImplementations;
using NUnit.Framework;
using System;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;

namespace CryptoExchange.Net.UnitTests
{
    [TestFixture]
    public class SocketClientTests
    {
        [TestCase]
        public void SettingOptions_Should_ResultInOptionsSet()
        {
            //arrange
            //act
            var client = new TestSocketClient(options =>
            {
                options.ExchangeOptions.MaxSocketConnections = 1;
            });

            //assert
            Assert.That(1 == client.ApiClient1.ApiOptions.MaxSocketConnections);
        }

        [TestCase]
        public async Task Test()
        {
            var client = new TestSocketClient();
            var socket = TestHelpers.ConfigureSocketClient(client, "wss://localhost");

            var expected = new TestObject() { DecimalData = 1.23M, IntData = 10, StringData = "Some data" };
            var strData = JsonSerializer.Serialize(expected, new JsonSerializerOptions { TypeInfoResolver = new TestSerializerContext() });

            TestObject? received = null;
            var resetEvent = new AsyncResetEvent(false);

            await client.ApiClient1.SubscribeToUpdatesAsync<TestObject>(x =>
            {
                received = x.Data;
                resetEvent.Set();
            }, default);

            socket.InvokeMessage(strData);

            await resetEvent.WaitAsync(TimeSpan.FromSeconds(1));

            Assert.That(received != null);
        }

        //[TestCase(true)]
        //[TestCase(false)]
        //public void ConnectSocket_Should_ReturnConnectionResult(bool canConnect)
        //{
        //    //arrange
        //    var client = new TestSocketClient();
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = canConnect;

        //    //act
        //    var connectResult = client.SubClient.ConnectSocketSub(
        //        new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));

        //    //assert
        //    Assert.That(connectResult.Success == canConnect);
        //}

        //[TestCase]
        //public void SocketMessages_Should_BeProcessedInDataHandlers()
        //{
        //    // arrange
        //    var client = new TestSocketClient(options =>
        //    {
        //        options.ReconnectInterval = TimeSpan.Zero;
        //    });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = true;
        //    var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
        //    var rstEvent = new ManualResetEvent(false);
        //    Dictionary<string, string> result = null;

        //    client.SubClient.ConnectSocketSub(sub);

        //    var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
        //    {
        //        result = messageEvent.Data;
        //        rstEvent.Set();
        //    });
        //    sub.AddSubscription(subObj);

        //    // act
        //    socket.InvokeMessage("{\"property\": \"123\", \"action\": \"update\", \"topic\": \"topic\"}");
        //    rstEvent.WaitOne(1000);

        //    // assert
        //    Assert.That(result["property"] == "123");
        //}

        //[TestCase(false)]
        //[TestCase(true)]
        //public void SocketMessages_Should_ContainOriginalDataIfEnabled(bool enabled)
        //{
        //    // arrange
        //    var client = new TestSocketClient(options =>
        //    {
        //        options.ReconnectInterval = TimeSpan.Zero;
        //        options.SubOptions.OutputOriginalData = enabled;
        //    });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = true;
        //    var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
        //    var rstEvent = new ManualResetEvent(false);
        //    string original = null;

        //    client.SubClient.ConnectSocketSub(sub);
        //    var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
        //    {
        //        original = messageEvent.OriginalData;
        //        rstEvent.Set();
        //    });
        //    sub.AddSubscription(subObj);
        //    var msgToSend = JsonSerializer.Serialize(new { topic = "topic", action = "update", property = "123" });

        //    // act
        //    socket.InvokeMessage(msgToSend);
        //    rstEvent.WaitOne(1000);

        //    // assert
        //    Assert.That(original == (enabled ? msgToSend : null));
        //}

        //[TestCase()]
        //public void UnsubscribingStream_Should_CloseTheSocket()
        //{
        //    // arrange
        //    var client = new TestSocketClient(options =>
        //    {
        //        options.ReconnectInterval = TimeSpan.Zero;
        //    });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = true;
        //    var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
        //    client.SubClient.ConnectSocketSub(sub);

        //    var subscription = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
        //    var ups = new UpdateSubscription(sub, subscription);
        //    sub.AddSubscription(subscription);

        //    // act
        //    client.UnsubscribeAsync(ups).Wait();

        //    // assert
        //    Assert.That(socket.Connected == false);
        //}

        //[TestCase()]
        //public void UnsubscribingAll_Should_CloseAllSockets()
        //{
        //    // arrange
        //    var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
        //    var socket1 = client.CreateSocket();
        //    var socket2 = client.CreateSocket();
        //    socket1.CanConnect = true;
        //    socket2.CanConnect = true;
        //    var sub1 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket1), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
        //    var sub2 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket2), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
        //    client.SubClient.ConnectSocketSub(sub1);
        //    client.SubClient.ConnectSocketSub(sub2);
        //    var subscription1 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
        //    var subscription2 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });

        //    sub1.AddSubscription(subscription1);
        //    sub2.AddSubscription(subscription2);
        //    var ups1 = new UpdateSubscription(sub1, subscription1);
        //    var ups2 = new UpdateSubscription(sub2, subscription2);

        //    // act
        //    client.UnsubscribeAllAsync().Wait();

        //    // assert
        //    Assert.That(socket1.Connected == false);
        //    Assert.That(socket2.Connected == false);
        //}

        //[TestCase()]
        //public void FailingToConnectSocket_Should_ReturnError()
        //{
        //    // arrange
        //    var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = false;
        //    var sub1 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");

        //    // act
        //    var connectResult = client.SubClient.ConnectSocketSub(sub1);

        //    // assert
        //    ClassicAssert.IsFalse(connectResult.Success);
        //}

        //[TestCase()]
        //public async Task ErrorResponse_ShouldNot_ConfirmSubscription()
        //{
        //    // arrange
        //    var channel = "trade_btcusd";
        //    var client = new TestSocketClient(opt =>
        //    {
        //        opt.OutputOriginalData = true;
        //        opt.SocketSubscriptionsCombineTarget = 1;
        //    });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = true;
        //    client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));

        //    // act
        //    var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => { }, ct: default);
        //    socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "error" }));
        //    await sub;

        //    // assert
        //    ClassicAssert.IsTrue(client.SubClient.TestSubscription.Status != SubscriptionStatus.Subscribed);
        //}

        //[TestCase()]
        //public async Task SuccessResponse_Should_ConfirmSubscription()
        //{
        //    // arrange
        //    var channel = "trade_btcusd";
        //    var client = new TestSocketClient(opt =>
        //    {
        //        opt.OutputOriginalData = true;
        //        opt.SocketSubscriptionsCombineTarget = 1;
        //    });
        //    var socket = client.CreateSocket();
        //    socket.CanConnect = true;
        //    client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));

        //    // act
        //    var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => { }, ct: default);
        //    socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "confirmed" }));
        //    await sub;

        //    // assert
        //    Assert.That(client.SubClient.TestSubscription.Status == SubscriptionStatus.Subscribed);
        //}
    }
}