using System.Security.Claims;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging.Abstractions;
using RadicadeServer.API.Studio;
using RadicadeServer.DB;
using Xunit;

namespace RadicadeServer.Tests;

[Collection(DbFactoryCollection.Name)]
public class StudioCloudBuildTests
{
    private sealed class TestDbFactory : IDbContextFactory<RecDBContext>
    {
        private readonly DbContextOptions<RecDBContext> options = TestDbOptions.Create()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options;

        public RecDBContext CreateDbContext() => new(options);
        public Task<RecDBContext> CreateDbContextAsync(CancellationToken cancellationToken = default) =>
            Task.FromResult(CreateDbContext());
    }

    private static (StudioAPI Api, StudioBuildWorker Worker) CreateController(long accountId = 2, long? roomOwnerId = null)
    {
        var identity = new ClaimsIdentity("TestAuth");
        identity.AddClaim(new Claim("userId", accountId.ToString()));
        identity.AddClaim(new Claim(ClaimTypes.NameIdentifier, accountId.ToString()));
        var worker = new StudioBuildWorker(
            NullLogger<StudioBuildWorker>.Instance,
            new ConfigurationBuilder().Build());
        var dbFactory = new TestDbFactory();
        using (var db = dbFactory.CreateDbContext())
        {
            db.Rooms.Add(new RadicadeServer.RecNet.Rooms.RoomData
            {
                RoomId = 99,
                Name = "Build Test Room",
                CreatorAccountId = roomOwnerId ?? accountId
            });
            db.SaveChanges();
        }
        var api = new StudioAPI(NullLogger<StudioAPI>.Instance, worker, dbFactory)
        {
            ControllerContext = new ControllerContext
            {
                HttpContext = new DefaultHttpContext { User = new ClaimsPrincipal(identity) }
            }
        };
        return (api, worker);
    }

    private static async Task<StudioCloudBuild> WaitForBuild(StudioAPI api, string cloudBuildId)
    {
        for (var attempt = 0; attempt < 100; attempt++)
        {
            var response = Assert.IsType<OkObjectResult>(await api.CloudBuild(cloudBuildId));
            var build = System.Text.Json.JsonSerializer.Deserialize<StudioCloudBuild>(
                System.Text.Json.JsonSerializer.Serialize(response.Value));
            Assert.NotNull(build);
            if (build!.CompletedAt != null) return build;
            await Task.Delay(20);
        }
        throw new TimeoutException("The queued local build did not report a result.");
    }

    [Fact]
    public async Task CreateQueuesBuildAndReturnsTheWorkerFailureForMissingUnityConfiguration()
    {
        var (controller, worker) = CreateController();
        await worker.StartAsync(CancellationToken.None);
        try
        {
            var response = Assert.IsType<OkObjectResult>(await controller.CreateCloudBuild(99, 109, 1, autoPublish: true, buildBranch: null));
            var json = System.Text.Json.JsonSerializer.SerializeToElement(response.Value);
            Assert.True(json.GetProperty("Success").GetBoolean());
            Assert.Null(json.GetProperty("Error").GetString());
            var queued = json.GetProperty("Value");
            var cloudBuildId = queued.GetProperty("CloudBuildId").GetString();
            Assert.False(string.IsNullOrWhiteSpace(cloudBuildId));
            Assert.Equal(System.Text.Json.JsonValueKind.Null, queued.GetProperty("CompletedAt").ValueKind);
            Assert.Equal(2, queued.GetProperty("CreatedByAccountId").GetInt32());

            var completed = await WaitForBuild(controller, cloudBuildId!);
            Assert.True(completed.CompletedAt >= completed.StartedAt);
            Assert.Contains("Radicade:Studio:UnityPath", completed.Error);
            Assert.Empty(completed.UnityAssetId);

            var list = Assert.IsType<OkObjectResult>(await controller.CloudBuildsForRoom(99, 109, 0, 30));
            var listJson = System.Text.Json.JsonSerializer.SerializeToElement(list.Value);
            Assert.Contains(listJson.GetProperty("Results").EnumerateArray(),
                item => item.GetProperty("CloudBuildId").GetString() == cloudBuildId);
        }
        finally
        {
            await worker.StopAsync(CancellationToken.None);
            worker.Dispose();
        }
    }

    [Fact]
    public async Task CreateAcceptsStudioUrlEncodedPostFormFields()
    {
        var (controller, worker) = CreateController();
        await worker.StartAsync(CancellationToken.None);
        try
        {
            var context = controller.HttpContext;
            context.Request.ContentType = "application/x-www-form-urlencoded";
            context.Request.Body = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(
                "roomId=99&subRoomId=109&subRoomDataSaveId=1&autoPublish=true&buildBranch=main"));
            context.Request.ContentLength = context.Request.Body.Length;

            var response = Assert.IsType<OkObjectResult>(await controller.CreateCloudBuild());
            var json = System.Text.Json.JsonSerializer.SerializeToElement(response.Value);
            Assert.True(json.GetProperty("Success").GetBoolean());
            var createdId = json.GetProperty("Value").GetProperty("CloudBuildId").GetString()!;
            var completed = await WaitForBuild(controller, createdId);
            Assert.Contains("Radicade:Studio:UnityPath", completed.Error);

            var page = Assert.IsType<OkObjectResult>(await controller.CloudBuildsForRoom(99, 109, 0, 100));
            var pageJson = System.Text.Json.JsonSerializer.SerializeToElement(page.Value);
            Assert.Contains(pageJson.GetProperty("Results").EnumerateArray(),
                build => build.GetProperty("CloudBuildId").GetString() == createdId);
        }
        finally
        {
            await worker.StopAsync(CancellationToken.None);
            worker.Dispose();
        }
    }

    [Fact]
    public async Task CreateRejectsMissingSaveReference()
    {
        var (controller, worker) = CreateController();
        var result = Assert.IsType<BadRequestObjectResult>(await controller.CreateCloudBuild(99, 109, 0));
        Assert.NotNull(result.Value);
        worker.Dispose();
    }

    [Fact]
    public async Task CreateRejectsAccountsWithoutRoomBuildPermission()
    {
        var (controller, worker) = CreateController(accountId: 2, roomOwnerId: 7);
        var result = Assert.IsType<ForbidResult>(await controller.CreateCloudBuild(99, 109, 1));
        Assert.NotNull(result);
        worker.Dispose();
    }
}