using System;
using System.IO;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using ln.http.router;
using ln.json;
using ln.type;
using NUnit.Framework;

namespace ln.http.tests
{
    public class Tests
    {
        HTTPServer server;
        int testPort;

        [SetUp]
        public void Setup()
        {
            if (server != null)
                return;

            server = new HTTPServer();
            
            HttpRouter testRouter = new HttpRouter(server);
            testRouter.Map(HttpMethod.ANY, "/controller/*", HttpRoutePriority.NORMAL, new TestApiController().Route);

            StaticRouter staticRouter = new StaticRouter(AppContext.BaseDirectory);
            testRouter.Map(HttpMethod.ANY, "/static/*", staticRouter.Route);
            
            HttpListener.DefaultPort = 0;
            HttpListener httpListener = new HttpListener(server);

            testPort = httpListener.LocalEndpoint.Port;
            TestContext.Error.WriteLine("Using Port {0}", testPort);
        }

        [Test]
        public void Test1()
        {
            HttpClient client = new HttpClient();
            HttpResponseMessage response = client.GetAsync(String.Format("http://localhost:{0}/static/test.txt", testPort)).Result;
            
            Assert.AreEqual(System.Net.HttpStatusCode.OK, response.StatusCode);

            byte[] contentBytes = response.Content.ReadAsByteArrayAsync().Result;
            byte[] fileBytes = File.ReadAllBytes("test.txt");

            CollectionAssert.AreEqual(fileBytes, contentBytes);

            //server.Stop();
            
            Assert.Pass();
        }
        
        [Test]
        public void TestPutJson()
        {
            JSONObject jsonPutObject = new JSONObject();
            jsonPutObject["PutTest"] = JSONTrue.Instance;
            StringContent jsonStringContent = new StringContent(jsonPutObject.ToString());
            jsonStringContent.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");

            HttpClient client = new HttpClient();
            HttpResponseMessage response = client.PutAsync(String.Format("http://localhost:{0}/controller/put", testPort), jsonStringContent).Result;
            
            Assert.AreEqual(System.Net.HttpStatusCode.OK, response.StatusCode);
            Assert.Pass();
        }
    }

    class TestApiController : HttpEndpointController
    {
        [Map(HttpMethod.PUT, "/put")]
        public HttpResponse PutTest(
            [HttpArgumentSource(HttpArgumentSource.CONTENT)]
            JSONObject jObject
        )
        {
            if (jObject.ContainsKey("PutTest") && jObject["PutTest"] is JSONTrue jsonTrue && jsonTrue == JSONTrue.Instance)
                return HttpResponse.OK();
            return HttpResponse.BadRequest();
        }
    }
}