Refactor auth to AuthHex

Distribution/Features/Auth/AuthController.cs

@@ -1,15 +1,37 @@
+using Distribution.Infra.Authorization;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 
 namespace Distribution.Features.Auth;
 
 [ApiController]
 [Route("api/auth")]
-public class AuthController(AuthService service) : ControllerBase
+public class AuthController(AuthService service, ICurrentUserService currentUser) : ControllerBase
 {
+    private static IActionResult ToActionResult(AuthHexResponse result) =>
+        result.Success ? new OkObjectResult(result) : new ObjectResult(result) { StatusCode = result.StatusCode is >= 400 and < 600 ? result.StatusCode : 401 };
+
     [HttpPost("login")]
-    public async Task<IActionResult> Login(LoginRequest request)
+    public async Task<IActionResult> Login(LoginRequest request, CancellationToken ct) =>
+        ToActionResult(await service.LoginAsync(request, ct));
+
+    [HttpPost("register")]
+    public async Task<IActionResult> Register(RegisterRequest request, CancellationToken ct) =>
+        ToActionResult(await service.RegisterAsync(request, ct));
+
+    [HttpGet("me")]
+    [Authorize]
+    public async Task<IActionResult> Me(CancellationToken ct)
     {
-        var result = await service.LoginAsync(request);
-        return result is null ? Unauthorized() : Ok(result);
+        var userId = currentUser.UserId ?? throw new UnauthorizedAccessException();
+        return ToActionResult(await service.GetUserDetailsAsync(userId, ct));
+    }
+
+    [HttpPost("logout")]
+    [Authorize]
+    public async Task<IActionResult> Logout(CancellationToken ct)
+    {
+        var token = Request.Headers.Authorization.ToString().Replace("Bearer ", "", StringComparison.OrdinalIgnoreCase);
+        return ToActionResult(await service.LogoutAsync(token, ct));
     }
 }

Distribution/Features/Auth/AuthDTOs.cs

@@ -2,4 +2,4 @@ namespace Distribution.Features.Auth;
 
 public record LoginRequest(string Username, string Password);
 
-public record LoginResponse(string Token, Guid UserId, string Username, string RoleName);
+public record RegisterRequest(string Username, string Password, string? FullName);

Distribution/Features/Auth/AuthService.cs

@@ -1,24 +1,24 @@
-using Distribution.Features.User;
 using Distribution.Infra.Authorization;
-using Microsoft.AspNetCore.Identity;
 
 namespace Distribution.Features.Auth;
 
-public class AuthService(IUserRepository userRepo, IJwtTokenService tokenService)
+/// <summary>
+/// Own-user auth is fully delegated to AuthHex — this service only proxies the four functions
+/// AuthHex exposes (loginUser/registerUser/getUserDetails/LogoutUser). No local password check or
+/// token issuance happens here; AuthHex owns credentials and signs the JWT this app validates
+/// (see Program.cs's JwtBearer registration + OnTokenValidated role mapping).
+/// </summary>
+public class AuthService(IAuthHexClient authHex)
 {
-    private readonly PasswordHasher<Models.User> _hasher = new();
+    public Task<AuthHexResponse> LoginAsync(LoginRequest request, CancellationToken ct = default) =>
+        authHex.CallAsync("loginUser", request, reference: Guid.NewGuid().ToString(), ct: ct);
 
-    public async Task<LoginResponse?> LoginAsync(LoginRequest request)
-    {
-        var user = await userRepo.GetByUsernameAsync(request.Username);
-        if (user is null || !user.IsActive)
-            return null;
+    public Task<AuthHexResponse> RegisterAsync(RegisterRequest request, CancellationToken ct = default) =>
+        authHex.CallAsync("registerUser", request, reference: Guid.NewGuid().ToString(), ct: ct);
 
-        var result = _hasher.VerifyHashedPassword(user, user.PasswordHash, request.Password);
-        if (result == PasswordVerificationResult.Failed)
-            return null;
+    public Task<AuthHexResponse> GetUserDetailsAsync(Guid userId, CancellationToken ct = default) =>
+        authHex.CallAsync("getUserDetails", new { userId }, ct: ct);
 
-        var token = tokenService.GenerateToken(user);
-        return new LoginResponse(token, user.Id, user.Username, user.Role?.Name ?? string.Empty);
-    }
+    public Task<AuthHexResponse> LogoutAsync(string token, CancellationToken ct = default) =>
+        authHex.CallAsync("LogoutUser", new { token }, ct: ct);
 }