/*
 * 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.brooklyn.location.jclouds.provider;

import static org.testng.Assert.assertNotNull;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import org.apache.brooklyn.api.location.NoMachinesAvailableException;
import org.apache.brooklyn.api.mgmt.ManagementContext;
import org.apache.brooklyn.core.entity.Entities;
import org.apache.brooklyn.location.jclouds.JcloudsLocation;
import org.apache.brooklyn.location.jclouds.JcloudsSshMachineLocation;
import org.apache.brooklyn.location.ssh.SshMachineLocation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;

import com.google.common.collect.ImmutableMap;

public class AwsEc2LocationWindowsLiveTest {
    private static final Logger LOG = LoggerFactory.getLogger(AwsEc2LocationWindowsLiveTest.class);
    
    private static final String PROVIDER = "aws-ec2";
    private static final String EUWEST_REGION_NAME = "eu-west-1";
    private static final String EUWEST_IMAGE_ID = EUWEST_REGION_NAME+"/"+"ami-7f0c260b";//"ami-41d3d635"
    private static final String LOCATION_ID = "jclouds:"+PROVIDER+":"+EUWEST_REGION_NAME;
    
    protected JcloudsLocation loc;
    protected Collection<SshMachineLocation> machines = new ArrayList<SshMachineLocation>();
    protected ManagementContext ctx;
    
    @BeforeMethod(groups = "Live")
    public void setUp() {
        ctx = Entities.newManagementContext(ImmutableMap.of("provider", PROVIDER));

        loc = (JcloudsLocation) ctx.getLocationRegistry().resolve(LOCATION_ID);
    }

    @AfterMethod(groups = "Live")
    public void tearDown() throws Exception {
        List<Exception> exceptions = new ArrayList<Exception>();
        for (SshMachineLocation machine : machines) {
            try {
                loc.release(machine);
            } catch (Exception e) {
                LOG.warn("Error releasing machine $it; continuing...", e);
                exceptions.add(e);
            }
        }
        if (!exceptions.isEmpty()) {
            throw exceptions.get(0);
        }
        machines.clear();
    }
    
    // TODO Note careful choice of image due to jclouds 1.4 issue 886
    // TODO Blocks for long time, waiting for IP:22 to be reachable, before falling back to using public IP
    //      10*2 minutes per attempt in jclouds 1.4 because done sequentially, and done twice by us so test takes 40 minutes!
    @Test(enabled=true, groups = "Live")
    public void testProvisionWindowsVm() throws NoMachinesAvailableException {
        JcloudsSshMachineLocation machine = (JcloudsSshMachineLocation) obtainMachine(ImmutableMap.of("imageId", EUWEST_IMAGE_ID));

        LOG.info("Provisioned Windows VM {}; checking if has password", machine);
        assertNotNull(machine.waitForPassword());
    }
    
    // Use this utility method to ensure machines are released on tearDown
    protected SshMachineLocation obtainMachine(Map<?, ?> flags) throws NoMachinesAvailableException {
        JcloudsSshMachineLocation result = (JcloudsSshMachineLocation) loc.obtain(flags);
        machines.add(result);
        return result;
    }
}