Making swagger functional

Auth/Auth.csproj

@@ -11,6 +11,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.8" />
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.4" />
     <PackageReference Include="MongoDB.Driver" Version="3.4.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="9.0.3" />
   </ItemGroup>
 
 </Project>

Auth/Program.cs

@@ -1,6 +1,7 @@
 using Auth.Services;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.OpenApi.Models;  
 using System.Security.Claims;
 using System.Text;
 
@@ -11,6 +12,31 @@ builder.Services.AddControllers();
 builder.Services.AddSingleton<UserService>();
 builder.Services.AddSingleton<BlacklistService>();
 
+// Swagger + JWT auth in Swagger
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "Auth API", Version = "v1" });
+    c.AddSecurityDefinition("bearerAuth", new OpenApiSecurityScheme
+    {
+        Type = SecuritySchemeType.Http,
+        Scheme = "bearer",
+        BearerFormat = "JWT",
+        Description = "Paste your access token here (no 'Bearer ' prefix needed)."
+    });
+    c.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference
+                { Type = ReferenceType.SecurityScheme, Id = "bearerAuth" }
+            },
+            Array.Empty<string>()
+        }
+    });
+});
+
 // AuthN/JWT
 var cfg    = builder.Configuration;
 var jwtKey = cfg["Jwt:Key"]    ?? throw new Exception("Jwt:Key missing");
@@ -46,7 +72,14 @@ builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
 builder.Services.AddAuthorization();
 
 var app = builder.Build();
+
 app.MapGet("/healthz", () => Results.Ok("ok"));
+app.UseSwagger();
+app.UseSwaggerUI(o =>
+{
+    o.SwaggerEndpoint("/swagger/v1/swagger.json", "Auth API v1");
+    o.RoutePrefix = "swagger";
+});
 app.UseAuthentication();
 app.UseAuthorization();
 app.MapControllers();

Auth/Services/BlacklistService.cs

@@ -19,7 +19,7 @@ public class BlacklistService
         var dbName = cfg["MongoDB:DatabaseName"] ?? "GameDb";
         var client = new MongoClient(cs);
         var db = client.GetDatabase(dbName);
-        _col = db.GetCollection<BlacklistedToken>("token_blacklist");
+        _col = db.GetCollection<BlacklistedToken>("BlacklistedTokens");
 
         // TTL index so revocations expire automatically
         var keys = Builders<BlacklistedToken>.IndexKeys.Ascending(x => x.ExpiresAt);

Auth/Services/UserService.cs

@@ -13,7 +13,7 @@ public class UserService
         var dbName = cfg["MongoDB:DatabaseName"] ?? "GameDb";
         var client = new MongoClient(cs);
         var db = client.GetDatabase(dbName);
-        _col = db.GetCollection<User>("users");
+        _col = db.GetCollection<User>("Users");
 
         var keys = Builders<User>.IndexKeys.Ascending(u => u.Username);
         _col.Indexes.CreateOne(new CreateIndexModel<User>(keys, new CreateIndexOptions { Unique = true }));