using FluentAssertions;
using RichardSzalay.MockHttp;
using Strata.DecisionSupport.Models.Encounters;
using Strata.DecisionSupport.Models.Jazz;
using Strata.DecisionSupport.Models.Queries;
using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Client.Test.Unit
{
    [TestFixture, Category("Unit"), Category("Client"), Ignore("needs attention")]
    public class ClientTests
    {
        public Uri HtpUrl { get; set; }
        public Uri Url { get; set; }

        [SetUp]
        public void TestSetup()
        {
            HtpUrl = new Uri("https://continuousimprovement/");
            Url = new Uri(HtpUrl, "api/v1/encounters");
        }

        [TestCaseSource(nameof(TestClientCases))]
        public async Task TestClient(EncounterQueryInfo queryInfo, List<IJazzEncounterInfo> response)
        {
            var httpHandler = new MockHttpMessageHandler();
            httpHandler.When(HttpMethod.Post, Url.ToString())
                .WithContent(JsonSerializer.Serialize(queryInfo,
                    options: new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase }))
                .Respond(HttpStatusCode.OK, JsonContent.Create(response));
            var httpClient = new HttpClient(httpHandler)
            {
                BaseAddress = HtpUrl
            };

            var ciService = new ContinuousImprovementService(httpClient);
            var result = await ciService.DecisionSupportMsdrgEncounterInfo(queryInfo, CancellationToken.None);

            Assert.That(result, Is.Not.Null.And.Not.Empty);
        }

        public static IEnumerable<TestCaseData> TestClientCases()
        {
            yield return new TestCaseData(
                new EncounterQueryInfo(Strata.DecisionSupport.Models.Queries.CaseTypeCategory.MSDRG, 207, DateTime.Now, DateTime.Now, "", Guid.NewGuid(), 24, new List<int> { 2 }),
                new List<IJazzEncounterInfo> { new MSDRGEncounterInfo() })
                .SetName("TestClient - EncounterQueryInfo constructor Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.MSDRG,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new MSDRGEncounterInfo() })
                .SetName("TestClient - MSDRG Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.MSDRG,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "Location",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new MSDRGEncounterInfo() })
                .SetName("TestClient - MSDRG Location Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.MSDRG,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "Department Rollup 1",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new MSDRGEncounterInfo() })
                .SetName("TestClient - MSDRG Department Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.APRDRG,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new APRDRGEncounterInfo() })
                .SetName("TestClient - APRDRG Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.CPTCode,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new CPTCodeEncounterInfo() })
                .SetName("TestClient - CPTCode Request");
            yield return new TestCaseData(new EncounterQueryInfo
            {
                CaseTypeCategory = CaseTypeCategory.PatientPopulation,
                CaseTypeFamilyId = 207,
                DepartmentRollupGlobalId = "",
                ServiceLineGuid = Guid.NewGuid(),
                StartDate = DateTime.Now,
                EndDate = DateTime.Now,
                EntityIDs = new List<int> { 2 }
            },
                new List<IJazzEncounterInfo> { new PatientPopulationEncounterInfo() })
                .SetName("TestClient - Patient Population Request");
        }

        [Test]
        public async Task TestClientError()
        {
            var httpHandler = new MockHttpMessageHandler();
            var queryInfo = new Strata.DecisionSupport.Biz.Parameters.EncounterQueryInfo(Strata.DecisionSupport.Models.Queries.CaseTypeCategory.MSDRG, 207, DateTime.Now, DateTime.Now, "", Guid.NewGuid(), 24, new List<int>());
            httpHandler.When(HttpMethod.Post, Url.ToString())
                .WithContent(JsonSerializer.Serialize(queryInfo,
                    options: new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase }))
                .Respond(HttpStatusCode.InternalServerError);
            var httpClient = new HttpClient(httpHandler)
            {
                BaseAddress = HtpUrl
            };

            var ciService = new ContinuousImprovementService(httpClient);
            Func<Task> action = ciService.Awaiting(x => x.DecisionSupportMsdrgEncounterInfo(queryInfo, CancellationToken.None));
            await action.Should()
                .ThrowAsync<ArgumentNullException>()
                .WithMessage("Value cannot be null. (Parameter 'encounterInfo')");
        }

    }
}