Add auth service

API/API.Core/Controllers/AuthController.cs

@@ -0,0 +1,47 @@
+using BusinessLayer.Services;
+using DataAccessLayer.Entities;
+using Microsoft.AspNetCore.Mvc;
+
+namespace WebAPI.Controllers
+{
+    [ApiController]
+    [Route("api/[controller]")]
+    public class AuthController(IAuthService auth) : ControllerBase
+    {
+        public record RegisterRequest(
+            string Username,
+            string FirstName,
+            string LastName,
+            string Email,
+            DateTime DateOfBirth,
+            string Password
+        );
+
+        public record LoginRequest(string UsernameOrEmail, string Password);
+
+        [HttpPost("register")]
+        public async Task<ActionResult<UserAccount>> Register([FromBody] RegisterRequest req)
+        {
+            var user = new UserAccount
+            {
+                UserAccountId = Guid.Empty,
+                Username = req.Username,
+                FirstName = req.FirstName,
+                LastName = req.LastName,
+                Email = req.Email,
+                DateOfBirth = req.DateOfBirth
+            };
+
+            var created = await auth.RegisterAsync(user, req.Password);
+            return CreatedAtAction(nameof(Register), new { id = created.UserAccountId }, created);
+        }
+
+        [HttpPost("login")]
+        public async Task<ActionResult> Login([FromBody] LoginRequest req)
+        {
+            var ok = await auth.LoginAsync(req.UsernameOrEmail, req.Password);
+            if (!ok) return Unauthorized();
+            return Ok(new { success = true });
+        }
+    }
+}