using Autofac;
using Autofac.Extensions.DependencyInjection;
using ChessGameHost.Extension;
using ChessGameHost.Middleware;
using ChessGameService;
using Common;
using Common.Request;
using CommonService;

using JWTHelper;
using MessagePack;
using Microsoft.AspNetCore.Diagnostics.HealthChecks;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Microsoft.Extensions.Options;
using MongoRepository.Config;
using NLog.Extensions.Logging;
using NLog.Web;
using RedisHelper;
using RedisService;
using SharpAbp.Infrastructure.Api.Middleware;
using System.Text.Json;
using UserService;
using static Common.Utils.DateTimeTools;
using ChessGameHost.Services;

Environment.SetEnvironmentVariable("SERVICE_NAME",
    Environment.GetEnvironmentVariable("SERVICE_NAME")
    ?? System.Reflection.Assembly.GetEntryAssembly()?.GetName().Name
    ?? "ChessGameHost");
Environment.SetEnvironmentVariable("INSTANCE_ID",
    Environment.GetEnvironmentVariable("INSTANCE_ID") ?? "default");

var builder = WebApplication.CreateBuilder(args);
string instanceId = Environment.GetEnvironmentVariable("INSTANCE_ID") ?? "Unknown";

builder.Services.AddSingleton(sp => new AppInstanceId { Id = instanceId });
// Add services to the container.
builder.Services.AddControllers();

builder.Logging.AddNLog();
builder.Host.UseNLog();

builder.Configuration.AddJsonFile(Path.Combine("Config", "system.json"), optional: true);
builder.Services.Configure<MongoDbSettings>(builder.Configuration.GetSection(nameof(MongoDbSettings)));
builder.Services.AddSingleton<IMongoDbSettings>(sp => sp.GetRequiredService<IOptions<MongoDbSettings>>().Value);




builder.Services.AddSignalR(hubOptions =>
{


    hubOptions.MaximumReceiveMessageSize = 64 * 1024; // 64KB
    hubOptions.StreamBufferCapacity = 512;
    hubOptions.ClientTimeoutInterval = TimeSpan.FromSeconds(70);
    hubOptions.KeepAliveInterval = TimeSpan.FromSeconds(15);

    hubOptions.AddFilter<MovementFilter>();
    hubOptions.AddFilter<HubExceptionFilter>();



}).AddJsonProtocol();

builder.Services.Configure<FormOptions>(x =>
{
    x.MultipartBodyLengthLimit = 1024 * 1024 * 16;
});


builder.Services.AddMemoryCache();
builder.Services.AddControllers().AddJsonOptions(configure =>
{
    configure.JsonSerializerOptions.Converters.Add(new DatetimeJsonConverter());

});


builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
builder.Services.AddSingleton<IHubSend<ChessGameHub>, HubSend<ChessGameHub>>();
builder.Services.AddSingleton<IRequestApi, RequestApi>();
builder.Services.AddAutoMapper(typeof(AutoMapperConfig));

builder.Services.AddHostedService<ChessTimeoutService>();
#region Swagger
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new Microsoft.OpenApi.Models.OpenApiInfo
    {
        Title = "ChessGameHost",
        Description = "象棋Socket接口",
        Version = "v1"
    });
    foreach (var xml in System.IO.Directory.GetFiles(AppContext.BaseDirectory, "*.xml"))
    {
        try { c.IncludeXmlComments(xml, true); } catch { }
    }
});
#endregion

builder.Services.AddHostedService<ChessBotService>();

builder.Services.AddHealthChecks()
    .AddCheck("self", () => HealthCheckResult.Healthy(), tags: new[] { "self" });





builder.Services.AddCors(options =>
{
    options.AddPolicy("Cors", policy =>
    {

        policy
         //.WithOrigins(urls)
         .SetIsOriginAllowed(_ => true)
         .AllowAnyHeader()
         //.WithHeaders("x-signalr-user-agent", "content-type", "authorization")
         .AllowAnyMethod()
         .AllowCredentials()
        ;
    });


});

#region jwt

builder.Services.AddCustomJwt(builder.Configuration);

#endregion

#region redis

builder.Services.AddRedisCacheSingleton(builder.Configuration);

#endregion

builder.Host.UseServiceProviderFactory(new AutofacServiceProviderFactory());
builder.Host.ConfigureContainer<ContainerBuilder>(builder =>
{
    builder.RegisterModule<AutofacModule>();
});

#region Cap

builder.Services.AddCap(builder.Configuration);
#endregion



var app = builder.Build();

using (var scope = app.Services.CreateScope())
{
    var redis = scope.ServiceProvider.GetRequiredService<IRedisService>();
    var chessService = scope.ServiceProvider.GetRequiredService<IChessGameService>();
    var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();
    try
    {
        redis.ClearAllLoginUserIds();
        var rooms = redis.GetAllChessRooms() ?? new List<ChessGameDomain.ChessGameRoom>();
        var resetRooms = 0;
        var disconnectedRooms = 0;
        var affectedUserIds = new HashSet<string>();
        var now = DateTimeOffset.UtcNow.ToUnixTimeSeconds();

        foreach (var room in rooms.Where(r => r?.users?.Count > 0))
        {
            foreach (var user in room.users.Where(u => !string.IsNullOrWhiteSpace(u.userId)))
                affectedUserIds.Add(user.userId);

            if (room.state != 2)
            {
                chessService.ExitRoom(room);
                resetRooms++;
                continue;
            }

            foreach (var user in room.users)
            {
                user.IsLeave = true;
                user.DisconnectTime = now;
                user.Cid = string.Empty;
            }
            redis.SetChessRoom(room);
            disconnectedRooms++;
        }

        foreach (var userId in affectedUserIds)
            await chessService.UpdateUserGameType(userId, 0);

    }
    catch (Exception ex)
    {
        logger.LogError(ex, "[Startup] 清除象棋玩家登录 cid 失败（非关键，不影响启动）");
    }
}

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{

}
#region Swagger
app.UseSwagger(c => c.RouteTemplate = "swagger/{documentName}/swagger.json");
app.UseSwaggerUI(c =>
{
    c.RoutePrefix = "swagger";
    c.SwaggerEndpoint("v1/swagger.json", "ChessGameHost v1");
});
#endregion

app.UseApiLogging();
app.UseRouting();
app.UseGlobalExceptionHandler();


app.UseStaticFiles();
app.UseCors("Cors");
app.UseAuthentication();
app.UseAuthorization();

app.MapHub<ChessGameHub>("/chessgamehub", options =>
{
    options.Transports = Microsoft.AspNetCore.Http.Connections.HttpTransportType.WebSockets;
});

app.MapControllers();

app.MapHealthChecks("/health", new HealthCheckOptions
{
    Predicate = _ => true,
    ResponseWriter = async (context, report) =>
    {
        context.Response.ContentType = "application/json";
        var result = new
        {
            status = report.Status.ToString(),
            checks = report.Entries.Select(e => new
            {
                name = e.Key,
                status = e.Value.Status.ToString(),
                description = e.Value.Description,
                duration = e.Value.Duration.TotalMilliseconds
            }),
            totalDuration = report.TotalDuration.TotalMilliseconds
        };
        await context.Response.WriteAsync(JsonSerializer.Serialize(result));
    }
});

app.Run();