/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.servicecomb.pack.demo.payment;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class PaymentController {
  @Autowired
  private PaymentService paymentService;

  private final AtomicInteger id = new AtomicInteger(0);

  @PostMapping("/pay/{userName}/{amount}")
  @ResponseBody
  public Payment pay(@PathVariable String userName,
      @PathVariable Integer amount) {
    Payment payment = new Payment();
    payment.setId(id.incrementAndGet());
    payment.setUserName(userName);
    payment.setAmount(amount);
    paymentService.pay(payment);
    return payment;
  }
  
  @GetMapping("/transactions")
  @ResponseBody
  List<Payment> getAll() {
    return new ArrayList<>(paymentService.getAllTransactions());
  }

  @DeleteMapping("/transactions")
  @ResponseBody
  String clear() {
    paymentService.clearAllTransactions();
    id.set(0);
    return "OK";
  }

}
