feat(eatery-service): init with tests (#3)

Co-authored-by: TakahashiNg <83152264+TakahashiNguyen@users.noreply.github.com>
Co-authored-by: gitea-actions <actions-user@noreply.git.demonkernel.io.vn>
Co-authored-by: TranHuuDanh <tranhuudanh@demonkernel.io.vn>
Reviewed-on: #3

account-service/src/main/java/com/drinkool/services/AuthenticationService.java

@@ -0,0 +1,76 @@
+package com.drinkool.services;
+
+import com.drinkool.dtos.*;
+import com.drinkool.entities.CustomerEntity;
+import jakarta.inject.Inject;
+import jakarta.transaction.Transactional;
+import jakarta.ws.rs.*;
+import jakarta.ws.rs.core.*;
+
+@Path("/api")
+public class AuthenticationService {
+
+	@Inject
+	OtpService otpService;
+
+	@POST
+	@Path("/signup")
+	@Transactional
+	public Response signup(Signup input) {
+		CustomerEntity newCustomer = new CustomerEntity();
+
+		newCustomer.signup(input.name, input.phone, input.password);
+
+		return Response.status(Response.Status.CREATED).build();
+	}
+
+	@POST
+	@Path("/quickSignup")
+	@Transactional
+	public Response quickSignup(QuickSignup input) {
+		CustomerEntity newCustomer = new CustomerEntity();
+
+		newCustomer.signup(input.phone);
+
+		return Response.status(Response.Status.CREATED).build();
+	}
+
+	@POST
+	@Path("/login")
+	public Response login(Login input) {
+		CustomerEntity customer = CustomerEntity.find(
+			"phone",
+			input.phone
+		).firstResult();
+
+		if (customer == null) throw new BadRequestException("InvalidPhoneNumber");
+
+		if (!customer.login(input.password)) throw new BadRequestException(
+			"InvalidPassword"
+		);
+
+		return Response.accepted().build();
+	}
+
+	@POST
+	@Path("/sms_otp")
+	public Response smsOtp(SmsOtp input) {
+		String otp = otpService.generateAndSaveOtp(input.phone);
+
+		// Ở đây bạn sẽ gọi Kafka để gửi SMS thực tế
+		System.out.println("OTP cho " + input.phone + " là: " + otp);
+
+		return Response.accepted().build();
+	}
+
+	@POST
+	@Path("/quicklogin")
+	public Response quickLogin(QuickLogin input) {
+		if (otpService.verifyOtp(input.phone, input.otp)) {
+			return Response.accepted().build();
+		}
+		return Response.status(Response.Status.UNAUTHORIZED)
+			.entity("InvalidOTP")
+			.build();
+	}
+}