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// 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
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.cloudstack.network.contrail.model;

import static org.mockito.Matchers.anyLong;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.IOException;
import java.util.UUID;

import junit.framework.TestCase;
import net.juniper.contrail.api.ApiConnector;
import net.juniper.contrail.api.ApiConnectorMock;

import org.apache.cloudstack.network.contrail.management.ContrailManagerImpl;
import org.apache.cloudstack.network.contrail.management.ModelDatabase;
import org.apache.log4j.Logger;
import org.junit.Test;

import com.cloud.network.Network;
import com.cloud.network.dao.NetworkVO;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.dao.UserVmDao;

public class VirtualMachineModelTest extends TestCase {
    private static final Logger s_logger =
            Logger.getLogger(VirtualMachineModelTest.class);

    @Test
    public void testVirtualMachineDBLookup() {
        ModelDatabase db = new ModelDatabase();
        VMInstanceVO vm  = mock(VMInstanceVO.class);

        // Create 3 dummy Virtual Machine model objects
        // Add these models to database.
        // Each VM is identified by unique UUId.
        VirtualMachineModel  vm0 = new VirtualMachineModel(vm, "fbc1f8fa-4b78-45ee-bba0-b551dbf72353");
        db.getVirtualMachines().add(vm0);

        VirtualMachineModel  vm1 = new VirtualMachineModel(vm, "fbc1f8fa-4b78-45ee-bba0-b551dbf83464");
        db.getVirtualMachines().add(vm1);

        VirtualMachineModel  vm2 = new VirtualMachineModel(vm, "fbc1f8fa-4b78-45ee-bba0-b551dbf94575");
        db.getVirtualMachines().add(vm2);

        s_logger.debug("No of Vitual Machines added to database : " + db.getVirtualMachines().size());

        assertEquals(3, db.getVirtualMachines().size());

        assertSame(vm0, db.lookupVirtualMachine("fbc1f8fa-4b78-45ee-bba0-b551dbf72353"));
        assertSame(vm1, db.lookupVirtualMachine("fbc1f8fa-4b78-45ee-bba0-b551dbf83464"));
        assertSame(vm2, db.lookupVirtualMachine("fbc1f8fa-4b78-45ee-bba0-b551dbf94575"));
    }

    @Test
    public void testCreateVirtualMachine() throws IOException {

        String uuid = UUID.randomUUID().toString();
        ContrailManagerImpl contrailMgr = mock(ContrailManagerImpl.class);
        ModelController controller      = mock(ModelController.class);
        ApiConnector api = new ApiConnectorMock(null, 0);
        when(controller.getManager()).thenReturn(contrailMgr);
        when(controller.getApiAccessor()).thenReturn(api);

        // Create Virtual-Network (VN)
        NetworkVO network = mock(NetworkVO.class);
        when(network.getName()).thenReturn("testnetwork");
        when(network.getState()).thenReturn(Network.State.Allocated);
        when(network.getGateway()).thenReturn("10.1.1.1");
        when(network.getCidr()).thenReturn("10.1.1.0/24");
        when(network.getPhysicalNetworkId()).thenReturn(42L);
        when(network.getDomainId()).thenReturn(10L);
        when(network.getAccountId()).thenReturn(42L);

        when(contrailMgr.getCanonicalName(network)).thenReturn("testnetwork");
        when(contrailMgr.getProjectId(network.getDomainId(), network.getAccountId())).thenReturn("testProjectId");

        // Create Virtual-Machine (VM)
        VMInstanceVO vm = mock(VMInstanceVO.class);
        when(vm.getInstanceName()).thenReturn("testVM1");
        when(vm.getState()).thenReturn(VirtualMachine.State.Starting);
        when(vm.getDomainId()).thenReturn(10L);
        when(vm.getAccountId()).thenReturn(42L);

        UserVmDao VmDao      = mock(UserVmDao.class);
        when(VmDao.findById(anyLong())).thenReturn(null);
        when(controller.getVmDao()).thenReturn(VmDao);

        VirtualMachineModel vmModel = new VirtualMachineModel(vm, uuid);

        assertEquals(vmModel.getInstanceName(), "testVM1");
        assertEquals(vmModel.getUuid(), uuid);

        vmModel.build(controller, vm);
        try {
            vmModel.update(controller);
        } catch (Exception ex) {
            fail("virtual-network update failed ");
        }

        //verify
        assertTrue(vmModel.verify(controller));
    }
}