using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.IdentityModel.Tokens;
using SixLabors.ImageSharp.Web.DependencyInjection;
using System.Diagnostics;
using System.Net;
using System.Net.Http;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Text.Json;
using RadicadeServer;
using RadicadeServer.API.Notifications;
using RadicadeServer.API.Relationships;
using RadicadeServer.Admin;
using RadicadeServer.Auth;
using RadicadeServer.DB;
using RadicadeServer.Extensions;
using RadicadeServer.RecNet.Accounts.Local;
using RadicadeServer.RecNet.Config;
using RadicadeServer.RecNet.Rooms;
using RadicadeServer.RecNet.Storefront;
using RadicadeServer.RecNet.Enums;
using RadicadeServer.RecNet.Enums.Rooms;
using RadicadeServer.Radicade.Discord;
using RadicadeServer.Discord.Webhooks;
using RadicadeServer.Utils;






const string SplitTestHardOverrides = "";
const string LocalHttpsCertPassword = "radicade-local-dev-cert";






var builder = WebApplication.CreateBuilder(args);
DBConfig.LoadConfiguration(builder.Configuration);
WebhookConfig.Load(builder.Configuration, builder.Environment.ContentRootPath);


builder.Logging.ClearProviders();
builder.Logging.AddSimpleConsole(options =>
{
	options.SingleLine = true;
	options.TimestampFormat = "yyyy-MM-dd HH:mm:ss ";
});
builder.Logging.AddFilter("Microsoft.EntityFrameworkCore.Database.Command", LogLevel.Warning);
builder.Logging.AddFilter("Microsoft.EntityFrameworkCore.Infrastructure", LogLevel.Warning);
builder.Logging.AddFilter("Microsoft.EntityFrameworkCore.Query", LogLevel.Error);
var listenUrls = builder.Configuration["Radicade:ListenUrls"];
if (!string.IsNullOrWhiteSpace(listenUrls))
{
	builder.WebHost.UseUrls(listenUrls.Split(';', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries));
}
else if (builder.Environment.IsProduction())
{
	builder.WebHost.UseUrls("http://0.0.0.0:3030");
}
else
{
	builder.WebHost.UseUrls("https://localhost:3030");
}

if (builder.Environment.IsProduction())
{
	var missingSecrets = new List<string>();
	if (string.IsNullOrWhiteSpace(DBConfig.AdminApiKey)) missingSecrets.Add("Radicade:AdminApiKey");
	if (string.IsNullOrWhiteSpace(DBConfig.JwtKey)) missingSecrets.Add("Radicade:JwtKey");
	if (string.IsNullOrWhiteSpace(DBConfig.SteamApiKey)) missingSecrets.Add("Radicade:SteamApiKey");

	if (missingSecrets.Count > 0)
	{
		throw new InvalidOperationException(
			"Missing required production secrets: " + string.Join(", ", missingSecrets) +
			". Set these as environment variables (e.g. Radicade__SteamApiKey) or in a secrets manager " +
			"— never commit real values into appsettings.Production.json.");
	}
}
else
{
	if (string.IsNullOrWhiteSpace(DBConfig.JwtKey))
	{
		DBConfig.JwtKey = "radicade-local-development-jwt-key-change-before-production";
	}

	if (string.IsNullOrWhiteSpace(DBConfig.AdminApiKey))
	{
		DBConfig.AdminApiKey = "radicade-local-development-admin-key";
	}

	if (string.IsNullOrWhiteSpace(DBConfig.SteamApiKey) &&
		string.IsNullOrWhiteSpace(builder.Configuration["Radicade:TrustUnverifiedSteamIdentity"]))
	{
		DBConfig.TrustUnverifiedSteamIdentity = true;
	}
}

if (!Directory.Exists(DBConfig.CDNImages))
	Directory.CreateDirectory(DBConfig.CDNImages);
if (!Directory.Exists(DBConfig.CDNStorage))
	Directory.CreateDirectory(DBConfig.CDNStorage);
if (!Directory.Exists(DBConfig.CDNVideos))
	Directory.CreateDirectory(DBConfig.CDNVideos);
if (!Directory.Exists(DBConfig.CDNCustom))
	Directory.CreateDirectory(DBConfig.CDNCustom);
if (!Directory.Exists(DBConfig.PersistentLogs))
	Directory.CreateDirectory(DBConfig.PersistentLogs);
var dataProtectionKeys = Path.Join(DBConfig.PublicData, "Persistent", "DataProtection-Keys");
if (!Directory.Exists(dataProtectionKeys))
	Directory.CreateDirectory(dataProtectionKeys);
var localHttpsCertPath = Path.Join(DBConfig.PublicData, "Persistent", "localhost-rsa-aes-devcert.pfx");
if (builder.Environment.IsDevelopment())
{
	EnsureLocalHttpsCertificate(localHttpsCertPath, LocalHttpsCertPassword);
	var localHttpsCertificate = LoadLocalHttpsCertificateFromStore(
		InstallLocalHttpsCertificate(localHttpsCertPath, LocalHttpsCertPassword));
	builder.WebHost.ConfigureKestrel(options =>
	{
		options.ConfigureHttpsDefaults(httpsOptions =>
		{
			httpsOptions.ServerCertificate = localHttpsCertificate;
			httpsOptions.SslProtocols = System.Security.Authentication.SslProtocols.Tls12;
		});
	});
}

DBConfig.DebugKey = Guid.NewGuid().AltGuid() + Guid.NewGuid().AltGuid();
File.WriteAllText(Path.Join(DBConfig.PersistentLogs, "debugkey.txt"), DBConfig.DebugKey);

DBConfig.LoadFiles();




SteamWhitelist.Load();

var connectionString = builder.Configuration.GetConnectionString("DefaultConnection");
if (string.IsNullOrWhiteSpace(connectionString))
	throw new InvalidOperationException("Missing ConnectionStrings:DefaultConnection. Set ConnectionStrings__DefaultConnection on the VPS or add it to local appsettings.Development.json.");

builder.Services.AddDbContextFactory<RecDBContext>(
	options => options.UseSqlServer(connectionString, sql => { sql.EnableRetryOnFailure(3); })
		.ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning))
	);

var key = Encoding.ASCII.GetBytes(DBConfig.JwtKey);
builder.Services.AddAuthentication(options =>
{
	options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
	options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
	options.RequireHttpsMetadata = false;
	options.SaveToken = true;
	options.TokenValidationParameters = new TokenValidationParameters
	{
		ValidateIssuerSigningKey = true,
		IssuerSigningKey = new SymmetricSecurityKey(key),
		ValidateIssuer = false,
		ValidateAudience = false,
	};
	options.Events = new JwtBearerEvents
	{
		OnMessageReceived = context =>
		{
			var accessToken = context.Request.Query["access_token"];
			var path = context.HttpContext.Request.Path;

			if (!string.IsNullOrWhiteSpace(accessToken) &&
				RadicadeServer.API.Notifications.NotifyHubRoutes.IsHubPath(path.Value))
			{
				context.Token = accessToken;
			}

			return Task.CompletedTask;
		},





		OnTokenValidated = async context =>
		{
			var principal = context.Principal;
			if (principal == null) return;

			var userIdClaim = principal.FindFirst("userId");
			var versionClaim = principal.FindFirst("tver");
			if (userIdClaim == null || versionClaim == null) return;

			if (long.TryParse(userIdClaim.Value, out var userId) &&
				int.TryParse(versionClaim.Value, out var tokenVersion) &&
				!await TokenRevocation.IsValidAsync(context.HttpContext.RequestServices, userId, tokenVersion))
			{
				context.Fail("Session revoked. Please sign in again.");
			}
		},
		OnAuthenticationFailed = context =>
		{
			return Task.CompletedTask;
		},
		OnChallenge = context =>
		{
			return Task.CompletedTask;
		}
	};
});


builder.Services.AddImageSharp(options =>
{
	options.OnParseCommandsAsync = context =>
	{
		var commands = context.Commands;

		if (commands.TryGetValue("cropSquare", out var cropValue) &&
			cropValue == "1" &&
			commands.TryGetValue("width", out var widthValue) &&
			int.TryParse(widthValue, out int width))
		{
			commands["height"] = width.ToString();
			commands["rmode"] = "crop";
		}

		return Task.CompletedTask;
	};
});
builder.Services.AddDataProtection()
	.PersistKeysToFileSystem(new DirectoryInfo(dataProtectionKeys));
builder.Services.AddControllers().AddJsonOptions(options =>
{
	options.JsonSerializerOptions.PropertyNamingPolicy = null;
	options.JsonSerializerOptions.WriteIndented = true;
});
builder.Services.Configure<FormOptions>(options =>
{
	options.MultipartBodyLengthLimit = 256L * 1024 * 1024;
});
builder.Services.AddSignalR(options => Microsoft.AspNetCore.SignalR.HubOptionsExtensions
	.AddFilter<RadicadeServer.API.Notifications.NotifyHubInvocationFilter>(options));
builder.Services.AddSingleton<RadicadeServer.API.Notifications.NotifyHubInvocationFilter>();
builder.Services.AddHttpClient();




builder.Services.AddHostedService<BanStatusMonitor>();


var isDevelopment = builder.Environment.IsDevelopment();

builder.Services.AddCors(options =>
{
	options.AddPolicy("AllowAllOrigins", builder =>
		builder.AllowAnyOrigin()
			.AllowAnyMethod()
			.AllowAnyHeader());





	options.AddPolicy("AdminPanel", builder =>
	{
		var adminOrigins = new List<string>();
		if (!string.IsNullOrWhiteSpace(DBConfig.AdminPanelUrl))
			adminOrigins.Add(DBConfig.AdminPanelUrl);

		if (adminOrigins.Count > 0)
		{
			builder.WithOrigins(adminOrigins.ToArray())
				.AllowAnyMethod()
				.AllowAnyHeader()
				.AllowCredentials();
		}
		else
		{
			builder.WithOrigins("http://localhost:0")
				.AllowAnyMethod()
				.AllowAnyHeader()
				.AllowCredentials();
		}

		if (isDevelopment)
		{
			builder.SetIsOriginAllowed(origin =>
			{
				if (!Uri.TryCreate(origin, UriKind.Absolute, out var uri))
					return false;
				return uri.Host is "localhost" or "127.0.0.1" or "[::1]";
			});
		}
	});
});

var app = builder.Build();

using (var scope = app.Services.CreateScope())
{
	var dbContext = scope.ServiceProvider.GetRequiredService<RecDBContext>();
	dbContext.Database.Migrate();
	await EnsureSubRoomUnityAssetColumn(dbContext);
	await EnsureRoomJoinGiftColumns(dbContext);
	await EnsureRoomDeveloperOwnedColumn(dbContext);
	await EnsurePlayerEventColumns(dbContext);
	await EnsureVoiceChatRestrictionTable(dbContext);
	await EnsureValidSceneLocations(dbContext);
	await EnsureCatalogTables(dbContext);
	StageShowdownRoomContent();
	await EnsureProfileIdentityColumns(dbContext);
	if (DBConfig.TestInfluencerAccountIds.Count > 0)
	{
		var testProfiles = await dbContext.Profiles
			.Where(profile => DBConfig.TestInfluencerAccountIds.Contains(profile.accountId))
			.ToListAsync();
		foreach (var profile in testProfiles)
		{
			if (!profile.HasRole("influencer"))
				profile.role = string.IsNullOrWhiteSpace(profile.role) ? "influencer" : $"{profile.role},influencer";
		}
		if (testProfiles.Any(profile => profile.HasRole("influencer")))
			await dbContext.SaveChangesAsync();
	}
	await RemoveBlanketCoOwners(dbContext);

	await SyncAdminAccounts(dbContext);

	if (!dbContext.Profiles.Any())
	{
		await dbContext.AddCoach();
		await dbContext.AddGameConfigs();
		await dbContext.AddServerConfig();
		await dbContext.AddConfig();
		await dbContext.AddDefaultRooms();
	}

	if (!await dbContext.Rooms.AnyAsync(room => room.IsDorm))
	{
		await dbContext.AddDormRoom();
	}

	await dbContext.NormalizeDormRoomImagesAsync();

	await DefaultRooms.EnsureAsync(dbContext);






	await FirstTimeUtils.DownloadImages();

	LoadingScreenImages.EnsureInstalled();

	await EnsureRequiredGameConfigs(dbContext);
	await RepairAvatarBootData(dbContext);
	await EnsureReferenceGameConfigs(dbContext);
	await RepairSplitTestConfigs(dbContext);
	await DisableCommunityBoardHowToBuildLink(dbContext);
	await RepairPlayerSettingsBootData(dbContext);
	await RepairNullProfileImages(dbContext);

	StorefrontCatalog.Load();





	if (SteamWhitelist.CreatedEmptyConfig)
	{
		var wlOnly = await dbContext.ServerConfig.AsNoTracking().FirstOrDefaultAsync(x => x.Key == "WhitelistOnly");
		var wl = await dbContext.ServerConfig.AsNoTracking().FirstOrDefaultAsync(x => x.Key == "SteamWhitelist");

		if (wl != null && !string.IsNullOrWhiteSpace(wl.Value))
		{
			SteamWhitelist.SetSteamIds(wl.Value.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries));
		}



		if (wlOnly != null && wlOnly.Value.Equals("true", StringComparison.OrdinalIgnoreCase))
		{
			SteamWhitelist.Enabled = true;
		}
	}

	await MatchmakingRuntimeState.ResetAsync(dbContext);

	MainConfig.ActiveConfig = await dbContext.Config.FirstOrDefaultAsync();
}

static void StageShowdownRoomContent()
{
	const string saveName = "Showdown.room";
	const string bundleName = "Showdown_0_1.assetbundle";
	var candidates = new[]
	{
		Path.GetFullPath(Path.Combine("..", "RoomImports", "Showdown")),
		Path.GetFullPath(Path.Combine("..", "room-imports", "Showdown")),
		Path.GetFullPath(Path.Combine("RoomImports", "Showdown")),
		Path.GetFullPath(Path.Combine("room-imports", "Showdown")),
	};
	var sourceDir = candidates.FirstOrDefault(Directory.Exists) ?? candidates[0];
	var storage = DBConfig.CDNStorage;
	Directory.CreateDirectory(storage);
	var saveSource = Path.Combine(sourceDir, saveName);
	var bundleSource = Path.Combine(sourceDir, bundleName);
	if (!File.Exists(saveSource) || !File.Exists(bundleSource))
	{
		return;
	}
	File.Copy(saveSource, Path.Combine(storage, saveName), overwrite: true);
	File.Copy(bundleSource, Path.Combine(storage, bundleName), overwrite: true);
}

static async Task SyncAdminAccounts(RecDBContext dbContext)
{
	var configured = DBConfig.AdminAccounts;
	var existing = await dbContext.AdminUsers.ToListAsync();

	if (configured.Count == 0)
	{
		return;
	}

	foreach (var account in configured)
	{
		var user = existing.FirstOrDefault(x => string.Equals(x.Username, account.Username, StringComparison.OrdinalIgnoreCase));
		if (user == null)
		{
			dbContext.AdminUsers.Add(new AdminUser
			{
				Username = account.Username,
				PasswordHash = AdminSecurity.HashPassword(account.Password),
				CreatedAt = DateTime.UtcNow
			});
			await dbContext.SaveChangesAsync();
			continue;
		}

		if (!AdminSecurity.VerifyPassword(user.PasswordHash, account.Password))
		{
			user.PasswordHash = AdminSecurity.HashPassword(account.Password);
			await dbContext.SaveChangesAsync();
			await AdminSession.RevokeAllAsync(dbContext, user.Id);
		}
		else if (AdminSecurity.NeedsRehash(user.PasswordHash))
		{
			user.PasswordHash = AdminSecurity.HashPassword(account.Password);
			await dbContext.SaveChangesAsync();
		}
	}

	var removed = existing
		.Where(user => !configured.Any(account => string.Equals(account.Username, user.Username, StringComparison.OrdinalIgnoreCase)))
		.ToList();
	if (removed.Count == 0) return;

	foreach (var user in removed)
	{
		await AdminSession.RevokeAllAsync(dbContext, user.Id);
	}
	dbContext.AdminUsers.RemoveRange(removed);
	await dbContext.SaveChangesAsync();
}

static async Task RemoveBlanketCoOwners(RecDBContext dbContext)
{
	const string marker = "Config.BlanketCoOwnersRemoved";
	if (await dbContext.GameConfig.AnyAsync(x => x.Key == marker)) return;

	var accounts = new List<long> { 2 };
	accounts.AddRange(DBConfig.TestCoOwnerAccountIds);
	accounts = accounts.Distinct().ToList();

	var rows = await dbContext.RoomRoles
		.Where(role => accounts.Contains(role.AccountId) && role.Role == RoleType.CoOwner)
		.ToListAsync();

	if (rows.Count > 0)
	{
		dbContext.RoomRoles.RemoveRange(rows);
		await dbContext.SaveChangesAsync();
	}

	dbContext.GameConfig.Add(new ConfigVal(marker, "1"));
	await dbContext.SaveChangesAsync();
}

static async Task EnsureProfileIdentityColumns(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF COL_LENGTH('dbo.Profiles', 'personalPronouns') IS NULL
    ALTER TABLE [Profiles] ADD [personalPronouns] int NOT NULL CONSTRAINT [DF_Profiles_personalPronouns] DEFAULT 0;
IF COL_LENGTH('dbo.Profiles', 'identityFlags') IS NULL
    ALTER TABLE [Profiles] ADD [identityFlags] int NOT NULL CONSTRAINT [DF_Profiles_identityFlags] DEFAULT 0;
-- Profile.bannerImage / isRecentHistoryVisible. Added by a migration too, but a
-- production database that drifted (see EnsurePlayerEventColumns) would reach the
-- model before the column exists, and every Profiles query would then fail with an
-- invalid-column-name error. Idempotent, so the migration and this repair can coexist.
IF COL_LENGTH('dbo.Profiles', 'bannerImage') IS NULL
    ALTER TABLE [Profiles] ADD [bannerImage] nvarchar(max) NULL;
IF COL_LENGTH('dbo.Profiles', 'isRecentHistoryVisible') IS NULL
    ALTER TABLE [Profiles] ADD [isRecentHistoryVisible] bit NOT NULL CONSTRAINT [DF_Profiles_isRecentHistoryVisible] DEFAULT 1;");
}

static async Task EnsureSubRoomUnityAssetColumn(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF COL_LENGTH('dbo.SubRooms', 'UnityAssetId') IS NULL
    ALTER TABLE [SubRooms] ADD [UnityAssetId] nvarchar(max) NOT NULL CONSTRAINT [DF_SubRooms_UnityAssetId] DEFAULT N'';");
}

static async Task RepairNullProfileImages(RecDBContext dbContext)
{
	var broken = await dbContext.Profiles
		.Where(p => p.profileImage == null || p.profileImage == "")
		.ToListAsync();
	if (broken.Count == 0)
		return;

	foreach (var profile in broken)
		profile.profileImage = "DefaultProfileImage";
	await dbContext.SaveChangesAsync();
}

RoomUtils.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();
MatchmakingUtils.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();
Notify.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();
Notify.Context = app.Services.GetRequiredService<Microsoft.AspNetCore.SignalR.IHubContext<NotifyHub>>();
RelationshipsShared.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();
PlayerUtils.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();
AuthShared.DbFactory = app.Services.GetRequiredService<IDbContextFactory<RecDBContext>>();













app.Use(async (context, next) =>
{
	var path = context.Request.Path.Value ?? "";
	if (!path.StartsWith("/admin/", StringComparison.OrdinalIgnoreCase) &&
		!string.Equals(path, "/admin", StringComparison.OrdinalIgnoreCase))
	{
		var ip = context.Request.GetClientIp();
		if (!string.IsNullOrWhiteSpace(ip))
		{
			var dbFactory = context.RequestServices.GetRequiredService<IDbContextFactory<RecDBContext>>();
			if (await GameBlockMonitor.IsBlockedAsync(dbFactory, ip))
			{
				context.Response.StatusCode = StatusCodes.Status403Forbidden;
				await context.Response.WriteAsJsonAsync(new
				{
					error = "game_blocked",
					message = "This IP address is blocked from connecting to the game servers."
				});
				return;
			}
		}
	}

	await next();
});







app.Use(async (context, next) =>
{
	var path = context.Request.Path.Value ?? "";
	if (path.Contains("//"))
	{
		var collapsed = System.Text.RegularExpressions.Regex.Replace(path, "/{2,}", "/");
		context.Request.Path = collapsed;
	}

	await next();
});





app.UseRouting();






app.UseCors("AllowAllOrigins");


app.Use(async (context, next) =>
{
	var path = context.Request.Path.Value ?? "";
	if (path.StartsWith("/images/", StringComparison.OrdinalIgnoreCase))
	{
		context.Response.Headers.Append("Access-Control-Allow-Origin", "*");
		context.Response.Headers.Append("Access-Control-Allow-Methods", "GET, OPTIONS");
		context.Response.Headers.Append("Access-Control-Allow-Headers", "*");
	}

	await next();
});






app.Use(async (context, next) =>
{
	var path = context.Request.Path.Value ?? "";
	if (path.StartsWith("/admin/", StringComparison.OrdinalIgnoreCase) &&
		!path.StartsWith("/admin/auth", StringComparison.OrdinalIgnoreCase))
	{
		var existingKey = context.Request.Query["key"].ToString();
		if (string.IsNullOrEmpty(existingKey) || !existingKey.IsAdminKey())
		{
			void Promote()
			{
				var query = new Dictionary<string, Microsoft.Extensions.Primitives.StringValues>();
				foreach (var kv in context.Request.Query)
					query[kv.Key] = kv.Value;
				query["key"] = DBConfig.AdminApiKey;
				context.Request.Query = new QueryCollection(query);
			}

			if (context.Request.Cookies.TryGetValue(RadicadeServer.Auth.AdminSession.CookieName, out var sessionToken))
			{
				var dbFactory = context.RequestServices.GetRequiredService<IDbContextFactory<RecDBContext>>();
				await using var authDb = await dbFactory.CreateDbContextAsync();
				var (valid, _) = await RadicadeServer.Auth.AdminSession.ValidateAsync(authDb, sessionToken);
				if (valid) Promote();
			}
		}
	}

	await next();
});

app.Use(async (context, next) =>
{
	var started = Stopwatch.GetTimestamp();

	var originalBody = context.Response.Body;
	var countingBody = new CountingStream(originalBody);
	context.Response.Body = countingBody;
	try
	{
		await next();
	}
	catch (OperationCanceledException) when (context.RequestAborted.IsCancellationRequested)
	{
		Console.WriteLine($"[{DateTime.Now:HH:mm:ss.fff}] {context.Request.Method} {context.Request.Path}{context.Request.QueryString} -> client disconnected mid-response (len={countingBody.BytesWritten})");
	}
	catch (Exception ex)
	{
		Console.WriteLine($"[{DateTime.Now:HH:mm:ss.fff}] unhandled {context.Request.Method} {context.Request.Path}{context.Request.QueryString}: {ex}");
		if (!context.Response.HasStarted && !context.RequestAborted.IsCancellationRequested)
		{
			context.Response.StatusCode = StatusCodes.Status500InternalServerError;
			await context.Response.WriteAsJsonAsync(new { error = "internal_server_error" });
		}
	}
	finally
	{
		var elapsed = Stopwatch.GetElapsedTime(started).TotalMilliseconds;
		var bodyPreview = countingBody.BytesWritten <= 8
			? " body=" + System.Text.Encoding.UTF8.GetString(countingBody.Peek)
			: string.Empty;
		Console.WriteLine($"[{DateTime.Now:HH:mm:ss.fff}] {context.Request.Method} {context.Request.Path}{context.Request.QueryString} -> {context.Response.StatusCode} ({elapsed:0.0} ms) len={countingBody.BytesWritten} ct={context.Response.ContentType}{bodyPreview}");
	}
});

app.UseMiddleware<RadicadeServer.Middleware.FailureEnvelopeMiddleware>();

app.UseAuthentication();
app.UseAuthorization();

app.Use(async (context, next) =>
{
	var diagnosticPaths = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
	{
		"/matchmaking/player",
		"/matchmaking/player/login",
		"/matchmaking/player/exclusivelogin",
		"/leaderboard/GetRanks",
		"/leaderboard/GetPlayerRank",
		"/leaderboard/GetNearbyScores",
		"/leaderboard/leaderboard/GetRanks",
		"/leaderboard/leaderboard/GetPlayerRank",
		"/leaderboard/leaderboard/GetNearbyScores",
		"/econ/api/checklist/v1/current",
		"/econ/api/objectives/v1/myprogress",
		"/api/players/v2/progression/bulk",
		"/accounts/account/bulk",
		"/api/playerReputation/v2/bulk",
		"/api/relationships/v2/get",
		"/api/PlayerReporting/v1/moderationBlockDetails",
		"/chat/thread",
		"/playersettings",
		"/playersettings/v2",
		"/playersettings/playersettings",
		"/api/settings",
		"/api/settings/v2",
		"/api/settings/playersettings",
		"/api/gameconfigs/v1/all",
		"/api/versioncheck/v4"
	};

	var path = context.Request.Path.Value ?? string.Empty;
	if (!diagnosticPaths.Contains(path))
	{
		await next();
		return;
	}

	var originalBody = context.Response.Body;
	await using var capturedBody = new MemoryStream();
	context.Response.Body = capturedBody;

	try
	{
		await next();

		capturedBody.Position = 0;
		using var reader = new StreamReader(
			capturedBody,
			Encoding.UTF8,
			detectEncodingFromByteOrderMarks: false,
			leaveOpen: true);

		var responseBody = await reader.ReadToEndAsync();
		var diagnosticLine =
			$"[PlayerDataDebug] {context.Request.Method} " +
			$"{context.Request.Path}{context.Request.QueryString} -> " +
			$"{context.Response.StatusCode} body={responseBody}";
		try
		{
			var diagnosticLogPath = Path.Join(DBConfig.PersistentLogs, "player-data-debug.log");
			await File.AppendAllTextAsync(
				diagnosticLogPath,
				$"[{DateTime.UtcNow:O}] {diagnosticLine}{Environment.NewLine}");
		}
		catch
		{
		}

		capturedBody.Position = 0;
		await capturedBody.CopyToAsync(originalBody);
	}
	finally
	{
		context.Response.Body = originalBody;
	}
});



app.Use(async (context, next) =>
{
	var leaderboardPath = context.Request.Path.Value ?? string.Empty;
	if (leaderboardPath.Contains("leaderboard", StringComparison.OrdinalIgnoreCase)
		|| leaderboardPath.Contains("scoreboard", StringComparison.OrdinalIgnoreCase))
	{
		context.Request.EnableBuffering();
		string requestBody;
		using (var reader = new StreamReader(
			context.Request.Body,
			Encoding.UTF8,
			detectEncodingFromByteOrderMarks: false,
			leaveOpen: true))
		{
			requestBody = await reader.ReadToEndAsync();
		}
		context.Request.Body.Position = 0;
	}

	await next();
});


app.MapControllers();
foreach (var hubPath in RadicadeServer.API.Notifications.NotifyHubRoutes.Paths)
	app.MapHub<NotifyHub>(hubPath);

app.MapGet("/diag/build", () => Results.Json(new
{
	build = BuildInfo.Tag,
	notifyIdFormat = BuildInfo.NotifyIdFormat,
	assemblyBuiltUtc = BuildInfo.AssemblyBuiltUtc,
	startedUtc = BuildInfo.StartedUtc,
}));

app.MapGet("/diag/notify", async (long account, string? key, string? form) =>
{
	if (key is null || !key.IsAdminKey()) return Results.Unauthorized();
	return Results.Text(await Notify.ReplayStoredCoachMessageAsync(account, form), "text/plain");
});

app.MapGet("/diag/rewardpush", async (long account, string? key, string? id, IDbContextFactory<RecDBContext> dbFactory) =>
{
	if (key is null || !key.IsAdminKey()) return Results.Unauthorized();

	await using var db = await dbFactory.CreateDbContextAsync();
	return Results.Text(await RewardPushDiag.ReplayPendingRewardSelectionAsync(db, account, id), "text/plain");
});

app.MapGet("/diag/rewards", async (long account, string? key, int? lines, IDbContextFactory<RecDBContext> dbFactory) =>
{
	if (key is null || !key.IsAdminKey()) return Results.Unauthorized();

	await using var db = await dbFactory.CreateDbContextAsync();
	return Results.Text(await RewardDiag.DescribeAsync(db, account, lines ?? 120), "text/plain");
});

app.Lifetime.ApplicationStarted.Register(() =>
	Console.WriteLine($"[{DateTime.Now:HH:mm:ss}] [Radicade] started. env={app.Environment.EnvironmentName} url={DBConfig.ServerUrl} build={BuildInfo.Tag} assemblyBuilt={BuildInfo.AssemblyBuiltUtc:u}"));

app.Lifetime.ApplicationStopping.Register(() =>
	Console.WriteLine($"[{DateTime.Now:HH:mm:ss}] [Radicade] stopping."));

app.Run();

static void EnsureLocalHttpsCertificate(string certificatePath, string password)
{
	if (File.Exists(certificatePath)) return;

	var certificateDirectory = Path.GetDirectoryName(certificatePath);
	if (!string.IsNullOrWhiteSpace(certificateDirectory) && !Directory.Exists(certificateDirectory))
		Directory.CreateDirectory(certificateDirectory);

	using var rsa = CreateLocalHttpsKey();
	var request = new CertificateRequest(
		"CN=localhost",
		rsa,
		HashAlgorithmName.SHA256,
		RSASignaturePadding.Pkcs1);

	request.CertificateExtensions.Add(new X509BasicConstraintsExtension(false, false, 0, false));
	request.CertificateExtensions.Add(new X509KeyUsageExtension(
		X509KeyUsageFlags.DigitalSignature | X509KeyUsageFlags.KeyEncipherment,
		false));
	var enhancedKeyUsages = new OidCollection
	{
		new Oid("1.3.6.1.5.5.7.3.1")
	};
	request.CertificateExtensions.Add(new X509EnhancedKeyUsageExtension(enhancedKeyUsages, false));
	request.CertificateExtensions.Add(new X509SubjectKeyIdentifierExtension(request.PublicKey, false));

	var subjectAltNames = new SubjectAlternativeNameBuilder();
	subjectAltNames.AddDnsName("localhost");
	subjectAltNames.AddIpAddress(IPAddress.Loopback);
	subjectAltNames.AddIpAddress(IPAddress.IPv6Loopback);
	request.CertificateExtensions.Add(subjectAltNames.Build());

	using var certificate = request.CreateSelfSigned(
		DateTimeOffset.UtcNow.AddDays(-1),
		DateTimeOffset.UtcNow.AddYears(5));
	File.WriteAllBytes(certificatePath, certificate.Export(X509ContentType.Pfx, password));
}

static X509Certificate2 LoadLocalHttpsCertificate(string certificatePath, string password)
{
	return X509CertificateLoader.LoadPkcs12FromFile(
		certificatePath,
		password,
		X509KeyStorageFlags.MachineKeySet |
		X509KeyStorageFlags.PersistKeySet |
		X509KeyStorageFlags.Exportable);
}

static string InstallLocalHttpsCertificate(string certificatePath, string password)
{
	using var certificate = LoadLocalHttpsCertificate(certificatePath, password);
	using var store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
	store.Open(OpenFlags.ReadWrite);

	var existingCertificates = store.Certificates.Find(
		X509FindType.FindByThumbprint,
		certificate.Thumbprint,
		validOnly: false);
	if (existingCertificates.Count == 0)
	{
		store.Add(certificate);
	}

	return certificate.Thumbprint;
}

static X509Certificate2 LoadLocalHttpsCertificateFromStore(string thumbprint)
{
	using var store = new X509Store(StoreName.My, StoreLocation.CurrentUser);
	store.Open(OpenFlags.ReadOnly);

	var certificates = store.Certificates.Find(
		X509FindType.FindByThumbprint,
		thumbprint,
		validOnly: false);
	if (certificates.Count == 0)
		throw new InvalidOperationException($"Local HTTPS certificate {thumbprint} was not found in CurrentUser\\My.");

	return certificates
		.OfType<X509Certificate2>()
		.OrderByDescending(certificate => certificate.NotAfter)
		.First();
}

static RSA CreateLocalHttpsKey()
{
	if (!OperatingSystem.IsWindows())
		return RSA.Create(2048);

	return new RSACryptoServiceProvider(
		2048,
		new CspParameters(24, "Microsoft Enhanced RSA and AES Cryptographic Provider")
		{
			KeyContainerName = $"RadicadeLocalHttps-{Guid.NewGuid():N}",
			KeyNumber = (int)KeyNumber.Exchange
		})
	{
		PersistKeyInCsp = false
	};
}

static async Task EnsureRequiredGameConfigs(RecDBContext dbContext)
{
	await UpsertGameConfigValue(dbContext, "splitTestSoftOverrides", string.Empty);
	await UpsertGameConfigValue(dbContext, "splitTestsAvailable", SplitTestConfigs.TestsAvailable);
	await UpsertGameConfigValue(dbContext, "splitTestSegmentProbabilities", SplitTestConfigs.SegmentProbabilities);
	await UpsertGameConfigValue(dbContext, "splitTestHardOverrides", SplitTestConfigs.HardOverrides);
	var probabilitiesRow = await dbContext.GameConfig.FirstOrDefaultAsync(x => x.Key == "splitTestSegmentProbabilities");
	if (probabilitiesRow != null && probabilitiesRow.Value == "{}")
		probabilitiesRow.Value = SplitTestConfigs.SegmentProbabilities;
	await EnsureSplitTestHardOverrides(dbContext);
	await UpsertGameConfigValue(dbContext, "Backtrace.versionRegex", ".*");
	await UpsertGameConfigValue(dbContext, "Backtrace.messageRegex", ".*");
	await UpsertGameConfigValue(dbContext, "Backtrace.stopTimeUTC", "2099-01-01 00:00");

	await UpsertGameConfigValue(dbContext, "Growth.FriendFestPromosActive", "false");
	await UpsertGameConfigValue(dbContext, "Growth.FriendFestImageName", "FriendFest.jpg");
	await UpsertGameConfigValue(dbContext, "Growth.EnableProfilePhoneButton", "false");
	await RepairStoreLayoutConfigs(dbContext);
	await RepairDebugLogConfigs(dbContext);
	await UpsertGameConfigValue(dbContext, "Friends.PostGamePromptUnderFriendCount", "10");
	await UpsertGameConfigValue(dbContext, "Friends.SuggestFriendCodeOnFriendsScreenCount", "25");
	await UpsertGameConfigValue(dbContext, "MobileNotifications.UseFirebasePushNotifications", "true");
	await UpsertGameConfigValue(dbContext, "UGC.CV2.CooldownBeforeSubscriptionCheckSeconds", "240");
	await UnblockImportedRooms(dbContext);
	await EnableBetaCreativeToolsConfigs(dbContext);

	await dbContext.SaveChangesAsync();
}

static async Task EnsureSplitTestHardOverrides(RecDBContext dbContext)
{
	var existing = await GameConfigSeeder.FindAsync(dbContext, "splitTestHardOverrides");
	if (existing == null)
	{
		await dbContext.GameConfig.AddAsync(new ConfigVal("splitTestHardOverrides", SplitTestHardOverrides));
		return;
	}

	if (string.IsNullOrWhiteSpace(existing.Value))
	{
		existing.Value = SplitTestHardOverrides;
		return;
	}

	var entries = existing.Value.Split(';', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
	var known = new HashSet<string>(entries.Select(e => e.Split('=', 2)[0]), StringComparer.OrdinalIgnoreCase);
	var additions = new List<string>();
	foreach (var entry in SplitTestHardOverrides.Split(';', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
	{
		var name = entry.Split('=', 2)[0];
		if (known.Add(name))
			additions.Add(entry);
	}

	if (additions.Count > 0)
	{
		existing.Value = (entries.Concat(additions).ToList()).Aggregate((a, b) => a + ";" + b);
	}
}

static async Task RepairStoreLayoutConfigs(RecDBContext dbContext)
{
	const string oldLayout = "banner=12;storecampaigns=11;tokenpack=10;allskus=9;hotitem=8;hotinvention=7;newitem=6;mysubscriptioninvention=5;rrplusitem=4;fivestaritem=3;skinsitem=2;hairdyeitem=1;";
	const string newLayout = "banner=9;hotitem=7;hotinvention=8;newitem=6;mysubscriptioninvention=5;rrplusitem=4;fivestaritem=3;skinsitem=2;hairdyeitem=1;";

	var keys = new[] { "OldStoreLayout", "NewStoreLayout" };
	var configs = await dbContext.GameConfig.Where(x => keys.Contains(x.Key)).ToListAsync();

	foreach (var config in configs)
	{
		var correct = config.Key == "OldStoreLayout" ? oldLayout : newLayout;
		if (string.Equals(config.Value, correct, StringComparison.Ordinal)) continue;

		var value = config.Value ?? string.Empty;
		if (string.IsNullOrWhiteSpace(value) ||
			string.Equals(value, "true", StringComparison.OrdinalIgnoreCase) ||
			string.Equals(value, "false", StringComparison.OrdinalIgnoreCase) ||
			!value.StartsWith("banner=", StringComparison.OrdinalIgnoreCase))
		{
			config.Value = correct;
		}
	}

	await dbContext.SaveChangesAsync();
}

static async Task UnblockImportedRooms(RecDBContext dbContext)
{
	const string key = "RoomLoad.BlockedRoomNamesOnLowMemoryDevices";
	const string importedRoom = "Showdown";

	var config = await dbContext.GameConfig.FirstOrDefaultAsync(x => x.Key == key);
	if (config == null || string.IsNullOrWhiteSpace(config.Value) ||
		!config.Value.Split(',', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)
			.Contains(importedRoom, StringComparer.OrdinalIgnoreCase))
		return;

	config.Value = string.Join(",", config.Value
		.Split(',', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)
		.Where(name => !name.Equals(importedRoom, StringComparison.OrdinalIgnoreCase)));
}

static async Task RepairDebugLogConfigs(RecDBContext dbContext)
{
	const string supportedFlags = "Platform|BootSequence";

	var flags = await dbContext.GameConfig.FirstOrDefaultAsync(x => x.Key == "Debug.AdditionalTraceFlags");
	if (flags != null &&
		(flags.Value?.Contains("DissonanceLogs", StringComparison.OrdinalIgnoreCase) == true ||
		 flags.Value?.Contains("Audio", StringComparison.OrdinalIgnoreCase) == true ||
		 flags.Value?.Contains("TachyonClient", StringComparison.OrdinalIgnoreCase) == true))
	{
		flags.Value = supportedFlags;
	}

	var traceProbability = await dbContext.GameConfig.FirstOrDefaultAsync(x => x.Key == "Debug.TraceProbability");
	if (traceProbability != null && traceProbability.Value == "1")
		traceProbability.Value = "0";

	await dbContext.SaveChangesAsync();
}

static async Task RepairAvatarBootData(RecDBContext dbContext)
{
	const string repairedOutfitSelection = "";
	const string malformedUnlock = "d0a9262f-5504-46a7-bb10-7507503db58e,95e4cc30-cb68-473d-a395-feadf5b51512,,";
	const string repairedUnlock = "d0a9262f-5504-46a7-bb10-7507503db58e,95e4cc30-cb68-473d-a395-feadf5b51512,0440f08f-ef1d-49d8-942b-523056e8bb45,";
	string[] malformedOutfitSelections =
	[
		"d0a9262f-5504-46a7-bb10-7507503db58e,,,,1",
		"d0a9262f-5504-46a7-bb10-7507503db58e,95e4cc30-cb68-473d-a395-feadf5b51512,,,1",
		"d0a9262f-5504-46a7-bb10-7507503db58e,95e4cc30-cb68-473d-a395-feadf5b51512,0440f08f-ef1d-49d8-942b-523056e8bb45,,1"
	];

	var repairedAvatars = 0;
	foreach (var avatar in await dbContext.Avatars.ToListAsync())
	{
		var changed = false;
		foreach (var malformedOutfitSelection in malformedOutfitSelections)
		{
			if (!string.IsNullOrWhiteSpace(avatar.Avatar) &&
				avatar.Avatar.Contains(malformedOutfitSelection, StringComparison.OrdinalIgnoreCase))
			{
				avatar.Avatar = avatar.Avatar.Replace(
					malformedOutfitSelection,
					repairedOutfitSelection,
					StringComparison.OrdinalIgnoreCase);
				changed = true;
			}

			if (!string.IsNullOrWhiteSpace(avatar.Outfits) &&
				avatar.Outfits.Contains(malformedOutfitSelection, StringComparison.OrdinalIgnoreCase))
			{
				avatar.Outfits = avatar.Outfits.Replace(
					malformedOutfitSelection,
					repairedOutfitSelection,
					StringComparison.OrdinalIgnoreCase);
				changed = true;
			}
		}

		if (changed) repairedAvatars++;
	}

	var repairedUnlockRows = 0;
	foreach (var unlocks in await dbContext.Unlocks.ToListAsync())
	{
		if (string.IsNullOrWhiteSpace(unlocks.AvatarItems) ||
			!unlocks.AvatarItems.Contains(malformedUnlock, StringComparison.OrdinalIgnoreCase))
		{
			continue;
		}

		unlocks.AvatarItems = unlocks.AvatarItems.Replace(
			malformedUnlock,
			repairedUnlock,
			StringComparison.OrdinalIgnoreCase);
		repairedUnlockRows++;
	}

	if (repairedAvatars > 0 || repairedUnlockRows > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static Task UpsertGameConfigValue(RecDBContext dbContext, string key, string value)
	=> GameConfigSeeder.UpsertAsync(dbContext, key, value);

static async Task EnsureReferenceGameConfigs(RecDBContext dbContext)
{
	var existingKeys = await dbContext.GameConfig
		.Select(x => x.Key)
		.ToHashSetAsync(StringComparer.OrdinalIgnoreCase);

	foreach (var tracked in dbContext.ChangeTracker.Entries<ConfigVal>())
	{
		if (!string.IsNullOrWhiteSpace(tracked.Entity.Key))
			existingKeys.Add(tracked.Entity.Key);
	}

	var added = 0;

	using var doc = JsonDocument.Parse(DBConfig.PlaceholderConfig);
	foreach (var item in doc.RootElement.EnumerateArray())
	{
		if (!item.TryGetProperty("Key", out var keyElement)) continue;
		var key = keyElement.GetString();
		if (string.IsNullOrWhiteSpace(key) || !existingKeys.Add(key)) continue;

		var value = item.TryGetProperty("Value", out var valueElement)
			? valueElement.GetString() ?? string.Empty
			: string.Empty;

		await dbContext.GameConfig.AddAsync(new ConfigVal(key, value));
		added++;
	}

	if (added > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static async Task RepairSplitTestConfigs(RecDBContext dbContext)
{
	var desiredValues = new Dictionary<string, string?>
	{
		["splitTestHardOverrides"] = ReferenceSplitTestValue("splitTestHardOverrides"),
		["splitTestsAvailable"] = ReferenceSplitTestValue("splitTestsAvailable"),
		["splitTestSegmentProbabilities"] = ReferenceSplitTestValue("splitTestSegmentProbabilities"),
	};

	var seeded = 0;
	foreach (var (key, value) in desiredValues)
	{
		if (string.IsNullOrWhiteSpace(value)) continue;

		var config = await GameConfigSeeder.FindAsync(dbContext, key);
		if (config == null)
		{
			await dbContext.GameConfig.AddAsync(new ConfigVal(key, value));
			seeded++;
			continue;
		}

		if (!string.IsNullOrWhiteSpace(config.Value)) continue;

		config.Value = value;
		seeded++;
	}

	if (seeded > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static async Task DisableCommunityBoardHowToBuildLink(RecDBContext dbContext)
{
	const string key = "CommunityBoard.HowToBuildLink";
	var config = await GameConfigSeeder.FindAsync(dbContext, key);
	if (config == null || string.IsNullOrEmpty(config.Value)) return;
	if (config.Value.IndexOf("youtube", StringComparison.OrdinalIgnoreCase) < 0) return;

	config.Value = string.Empty;
	await dbContext.SaveChangesAsync();
}

static async Task EnableBetaCreativeToolsConfigs(RecDBContext dbContext)
{
	var betaFlags = new Dictionary<string, string>
	{
		["UGC.Room2Enabled"] = "true",
		["UGC.AllowBetaInvertedTubeCreation"] = "true",
		["UGC.AllowNonBetaInvertedTubeCreation"] = "true",
		["UGC.EnableInventionsInBetaRooms"] = "true",
		["UGC.Room2PublishingEnabled"] = "true",
		["UGC.Room2InventionsEnabled"] = "true",
		["UGC.Room2InventionAllowBetaPublishing"] = "true",
		["UGC.Room2InventionPublishingEnabled"] = "true",
	};

	var updated = 0;
	foreach (var (key, value) in betaFlags)
	{
		var existing = await GameConfigSeeder.FindAsync(dbContext, key);
		if (existing == null)
		{
			await dbContext.GameConfig.AddAsync(new ConfigVal(key, value));
			updated++;
		}
		else if (!string.Equals(existing.Value, value, StringComparison.OrdinalIgnoreCase))
		{
			existing.Value = value;
			updated++;
		}
	}

	if (updated > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static string? ReferenceSplitTestValue(string key)
{
	try
	{
		var entries = JsonSerializer.Deserialize<List<ConfigVal>>(DBConfig.PlaceholderConfig);
		return entries?.FirstOrDefault(x => string.Equals(x.Key, key, StringComparison.Ordinal))?.Value;
	}
	catch (Exception)
	{
		return null;
	}
}

static async Task RepairPlayerSettingsBootData(RecDBContext dbContext)
{
	const string neutralSplitTestAssignments = "1|{}";
	var repairedRows = 0;

	foreach (var settingsRow in await dbContext.PlayerSettings.ToListAsync())
	{
		var settings = settingsRow.DeserializeSettings();
		var splitAssignments = settings.FirstOrDefault(x =>
			string.Equals(x.Key, "SplitTestAssignedSegments", StringComparison.OrdinalIgnoreCase));

		if (splitAssignments == null)
		{
			settings.Add(new Setting
			{
				Key = "SplitTestAssignedSegments",
				Value = neutralSplitTestAssignments
			});
			repairedRows++;
		}
		else if (!string.Equals(splitAssignments.Value, neutralSplitTestAssignments, StringComparison.Ordinal))
		{
			splitAssignments.Value = neutralSplitTestAssignments;
			repairedRows++;
		}

		settingsRow.Settings = settings.ToJson();
	}

	if (repairedRows > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static async Task EnsureRoomDeveloperOwnedColumn(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF COL_LENGTH('dbo.Rooms', 'IsDeveloperOwned') IS NULL
    ALTER TABLE [Rooms] ADD [IsDeveloperOwned] bit NOT NULL CONSTRAINT [DF_Rooms_IsDeveloperOwned] DEFAULT 0;");
}

static async Task EnsureRoomJoinGiftColumns(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF COL_LENGTH('dbo.Rooms', 'JoinGiftAvatarItem') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftAvatarItem] nvarchar(max) NOT NULL DEFAULT N'';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftAvatarItemType') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftAvatarItemType] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftConsumableItem') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftConsumableItem] nvarchar(max) NOT NULL DEFAULT N'';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftContext') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftContext] int NOT NULL DEFAULT 2;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftCurrencyAmount') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftCurrencyAmount] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftCurrencyType') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftCurrencyType] int NOT NULL DEFAULT 1;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftEnabled') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftEnabled] bit NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftEquipmentItem') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftEquipmentItem] nvarchar(max) NOT NULL DEFAULT N'';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftEquipmentModificationGuid') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftEquipmentModificationGuid] nvarchar(max) NOT NULL DEFAULT N'';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftFromPlayerId') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftFromPlayerId] bigint NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftMessage') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftMessage] nvarchar(max) NOT NULL DEFAULT N'Thanks for visiting!';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftOncePerPlayer') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftOncePerPlayer] bit NOT NULL DEFAULT 1;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftRarity') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftRarity] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftTitle') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftTitle] nvarchar(max) NOT NULL DEFAULT N'Room Visit Gift';
IF COL_LENGTH('dbo.Rooms', 'JoinGiftVersion') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftVersion] int NOT NULL DEFAULT 1;
IF COL_LENGTH('dbo.Rooms', 'JoinGiftXp') IS NULL ALTER TABLE [Rooms] ADD [JoinGiftXp] int NOT NULL DEFAULT 0;
");

	// A room's join gift boxes, one row each. The Rooms row above still describes the first box,
	// so a room saved before this table existed keeps handing out what it always did.
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF OBJECT_ID('dbo.RoomJoinGifts', 'U') IS NULL
BEGIN
    CREATE TABLE [RoomJoinGifts] (
        [RoomJoinGiftId] bigint NOT NULL IDENTITY(1,1),
        [RoomId] bigint NOT NULL,
        [SortOrder] int NOT NULL DEFAULT 0,
        [Version] int NOT NULL DEFAULT 1,
        [Enabled] bit NOT NULL DEFAULT 1,
        [OncePerPlayer] bit NOT NULL DEFAULT 1,
        [Title] nvarchar(max) NOT NULL DEFAULT N'Room Visit Gift',
        [Message] nvarchar(max) NOT NULL DEFAULT N'Thanks for visiting!',
        [AvatarItem] nvarchar(max) NOT NULL DEFAULT N'',
        [AvatarItemType] int NOT NULL DEFAULT 0,
        [EquipmentItem] nvarchar(max) NOT NULL DEFAULT N'',
        [EquipmentModificationGuid] nvarchar(max) NOT NULL DEFAULT N'',
        [ConsumableItem] nvarchar(max) NOT NULL DEFAULT N'',
        [CurrencyType] int NOT NULL DEFAULT 1,
        [CurrencyAmount] int NOT NULL DEFAULT 0,
        [Xp] int NOT NULL DEFAULT 0,
        [Context] int NOT NULL DEFAULT 2,
        [Rarity] int NOT NULL DEFAULT 0,
        [FromPlayerId] bigint NOT NULL DEFAULT 0,
        CONSTRAINT [PK_RoomJoinGifts] PRIMARY KEY ([RoomJoinGiftId])
    );
END

IF NOT EXISTS (SELECT 1 FROM sys.indexes WHERE name = N'IX_RoomJoinGifts_RoomId' AND object_id = OBJECT_ID(N'dbo.RoomJoinGifts'))
    CREATE INDEX [IX_RoomJoinGifts_RoomId] ON [RoomJoinGifts] ([RoomId]);
");
}

static async Task EnsurePlayerEventColumns(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF OBJECT_ID('dbo.PlayerEvents', 'U') IS NULL
BEGIN
    CREATE TABLE [PlayerEvents] (
        [PlayerEventId] bigint NOT NULL IDENTITY(1,1),
        [Name] nvarchar(max) NOT NULL,
        [Description] nvarchar(max) NOT NULL,
        [ImageName] nvarchar(max) NOT NULL,
        [StartTime] datetime2 NOT NULL,
        [EndTime] datetime2 NOT NULL,
        [CreatorPlayerId] bigint NOT NULL,
        [AttendeeCount] int NOT NULL,
        [RoomId] bigint NOT NULL,
        [Accessibility] int NOT NULL,
        [CreatedAt] datetime2 NOT NULL,
        [SubRoomId] bigint NULL,
        [ModerationState] int NOT NULL DEFAULT 0,
        [ClubId] bigint NULL,
        [IsMultiInstance] bit NOT NULL DEFAULT 0,
        [SupportMultiInstanceRoomChat] bit NOT NULL DEFAULT 0,
        [DefaultBroadcastPermissions] int NOT NULL DEFAULT 0,
        [CanRequestBroadcastPermissions] int NOT NULL DEFAULT 0,
        [BroadcastingRoomInstanceId] bigint NULL,
        [TagsJson] nvarchar(max) NOT NULL DEFAULT N'[]',
        CONSTRAINT [PK_PlayerEvents] PRIMARY KEY ([PlayerEventId])
    );
END

IF OBJECT_ID('dbo.PlayerEventResponses', 'U') IS NULL
BEGIN
    CREATE TABLE [PlayerEventResponses] (
        [PlayerEventResponseId] bigint NOT NULL IDENTITY(1,1),
        [PlayerEventId] bigint NOT NULL,
        [PlayerId] bigint NOT NULL,
        [Type] int NOT NULL,
        [CreatedAt] datetime2 NOT NULL,
        CONSTRAINT [PK_PlayerEventResponses] PRIMARY KEY ([PlayerEventResponseId])
    );
END

IF COL_LENGTH('dbo.PlayerEvents', 'SubRoomId') IS NULL ALTER TABLE [PlayerEvents] ADD [SubRoomId] bigint NULL;
IF COL_LENGTH('dbo.PlayerEvents', 'ModerationState') IS NULL ALTER TABLE [PlayerEvents] ADD [ModerationState] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.PlayerEvents', 'ClubId') IS NULL ALTER TABLE [PlayerEvents] ADD [ClubId] bigint NULL;
IF COL_LENGTH('dbo.PlayerEvents', 'IsMultiInstance') IS NULL ALTER TABLE [PlayerEvents] ADD [IsMultiInstance] bit NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.PlayerEvents', 'SupportMultiInstanceRoomChat') IS NULL ALTER TABLE [PlayerEvents] ADD [SupportMultiInstanceRoomChat] bit NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.PlayerEvents', 'DefaultBroadcastPermissions') IS NULL ALTER TABLE [PlayerEvents] ADD [DefaultBroadcastPermissions] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.PlayerEvents', 'CanRequestBroadcastPermissions') IS NULL ALTER TABLE [PlayerEvents] ADD [CanRequestBroadcastPermissions] int NOT NULL DEFAULT 0;
IF COL_LENGTH('dbo.PlayerEvents', 'BroadcastingRoomInstanceId') IS NULL ALTER TABLE [PlayerEvents] ADD [BroadcastingRoomInstanceId] bigint NULL;
IF COL_LENGTH('dbo.PlayerEvents', 'TagsJson') IS NULL ALTER TABLE [PlayerEvents] ADD [TagsJson] nvarchar(max) NOT NULL DEFAULT N'[]';

IF NOT EXISTS (SELECT 1 FROM __EFMigrationsHistory WHERE MigrationId = '20260805082102_FixModelChanges')
    INSERT INTO __EFMigrationsHistory (MigrationId, ProductVersion) VALUES ('20260805082102_FixModelChanges', '9.0.11');
IF NOT EXISTS (SELECT 1 FROM __EFMigrationsHistory WHERE MigrationId = '20260806004625_PlayerEventResponses')
    INSERT INTO __EFMigrationsHistory (MigrationId, ProductVersion) VALUES ('20260806004625_PlayerEventResponses', '9.0.11');
IF NOT EXISTS (SELECT 1 FROM __EFMigrationsHistory WHERE MigrationId = '20260814120000_AddPlayerEventModerationFields')
    INSERT INTO __EFMigrationsHistory (MigrationId, ProductVersion) VALUES ('20260814120000_AddPlayerEventModerationFields', '9.0.11');
IF NOT EXISTS (SELECT 1 FROM __EFMigrationsHistory WHERE MigrationId = '20260926120000_AddPlayerEventClubMetadata')
    INSERT INTO __EFMigrationsHistory (MigrationId, ProductVersion) VALUES ('20260926120000_AddPlayerEventClubMetadata', '9.0.11');
IF NOT EXISTS (SELECT 1 FROM __EFMigrationsHistory WHERE MigrationId = '20261008120000_AddPlayerEventBroadcastingRoomInstance')
    INSERT INTO __EFMigrationsHistory (MigrationId, ProductVersion) VALUES ('20261008120000_AddPlayerEventBroadcastingRoomInstance', '9.0.11');
");
}


static async Task EnsureVoiceChatRestrictionTable(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF OBJECT_ID('dbo.VoiceChatRestrictions', 'U') IS NULL
BEGIN
    CREATE TABLE [VoiceChatRestrictions] (
        [Id] bigint NOT NULL IDENTITY(1,1),
        [PlayerId] bigint NOT NULL,
        [Reason] nvarchar(max) NOT NULL DEFAULT N'',
        [Category] int NOT NULL DEFAULT 0,
        [StartedAt] datetime2 NOT NULL,
        [ExpiresAt] datetime2 NOT NULL,
        [IssuedBy] nvarchar(max) NOT NULL DEFAULT N'Admin Panel',
        [IssuedByUsername] nvarchar(max) NULL,
        [ModeratorNote] nvarchar(max) NULL,
        [ClearedAt] datetime2 NULL,
        [ClearedBy] nvarchar(max) NULL,
        CONSTRAINT [PK_VoiceChatRestrictions] PRIMARY KEY ([Id])
    );
    CREATE INDEX [IX_VoiceChatRestrictions_PlayerId] ON [VoiceChatRestrictions] ([PlayerId]);
END
");
}

static async Task EnsureValidSceneLocations(RecDBContext dbContext)
{
	var subRooms = await dbContext.SubRooms.ToListAsync();
	if (subRooms.Count == 0) return;

	var roomIds = subRooms.Select(s => s.RoomId).Distinct().ToList();
	var rooms = await dbContext.Rooms
		.Where(r => roomIds.Contains(r.RoomId))
		.ToDictionaryAsync(r => r.RoomId);

	var byRoom = subRooms
		.GroupBy(s => s.RoomId)
		.ToDictionary(g => g.Key, g => g.ToList());

	int repaired = 0;
	foreach (var subRoom in subRooms)
	{
		if (SceneLocations.IsValid(subRoom.UnitySceneId)) continue;

		bool isDorm = rooms.TryGetValue(subRoom.RoomId, out var room) && room.IsDorm;
		var siblings = byRoom.TryGetValue(subRoom.RoomId, out var list)
			? list.Select(s => s.UnitySceneId)
			: Enumerable.Empty<string?>();

		subRoom.UnitySceneId = SceneLocations.ResolveFallback(siblings, isDorm);
		repaired++;
	}

	if (repaired > 0)
	{
		await dbContext.SaveChangesAsync();
	}
}

static async Task EnsureCatalogTables(RecDBContext dbContext)
{
	await dbContext.Database.ExecuteSqlRawAsync(@"
IF OBJECT_ID('dbo.ItemSets', 'U') IS NULL
BEGIN
    CREATE TABLE [ItemSets] (
        [ItemSetId] bigint NOT NULL IDENTITY(1,1),
        [FriendlyName] nvarchar(max) NOT NULL DEFAULT N'',
        CONSTRAINT [PK_ItemSets] PRIMARY KEY ([ItemSetId])
    );
END

IF OBJECT_ID('dbo.Tags', 'U') IS NULL
BEGIN
    CREATE TABLE [Tags] (
        [TagId] bigint NOT NULL IDENTITY(1,1),
        [Tag] nvarchar(max) NOT NULL DEFAULT N'',
        [Description] nvarchar(max) NOT NULL DEFAULT N'',
        CONSTRAINT [PK_Tags] PRIMARY KEY ([TagId])
    );
END
");
}

internal sealed class CountingStream : Stream
{
	private readonly Stream _inner;
	private long _bytes;
	private readonly System.Collections.Generic.List<byte> _captured = new();
	public long BytesWritten => _bytes;
	public byte[] Peek => _captured.ToArray();

	public CountingStream(Stream inner) => _inner = inner;

	public override bool CanRead => _inner.CanRead;
	public override bool CanSeek => _inner.CanSeek;
	public override bool CanWrite => _inner.CanWrite;
	public override long Length => _inner.Length;
	public override long Position { get => _inner.Position; set => _inner.Position = value; }
	public override void Flush() => _inner.Flush();
	public override Task FlushAsync(CancellationToken ct) => _inner.FlushAsync(ct);
	public override int Read(byte[] buffer, int offset, int count) => _inner.Read(buffer, offset, count);
	public override long Seek(long offset, SeekOrigin origin) => _inner.Seek(offset, origin);
	public override void SetLength(long value) => _inner.SetLength(value);

	public override void Write(byte[] buffer, int offset, int count)
	{
		_inner.Write(buffer, offset, count);
		_bytes += count;
		if (_captured.Count < 8)
		{
			var take = Math.Min(count, 8 - _captured.Count);
			for (var i = 0; i < take; i++) _captured.Add(buffer[offset + i]);
		}
	}

	public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken ct)
	{
		await _inner.WriteAsync(buffer, offset, count, ct);
		_bytes += count;
		if (_captured.Count < 8)
		{
			var take = Math.Min(count, 8 - _captured.Count);
			for (var i = 0; i < take; i++) _captured.Add(buffer[offset + i]);
		}
	}
}