/**
 *  Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
 * 
 * This software is licensed under the GNU General Public License v3 or later.
 * 
 * It is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */

package com.cloud.api.commands;

import org.apache.log4j.Logger;

import com.cloud.api.ApiConstants;
import com.cloud.api.BaseAsyncCmd;
import com.cloud.api.BaseCmd;
import com.cloud.api.IdentityMapper;
import com.cloud.api.BaseCmd.CommandType;
import com.cloud.api.Implementation;
import com.cloud.api.Parameter;
import com.cloud.api.ServerApiException;
import com.cloud.api.response.ProjectResponse;
import com.cloud.event.EventTypes;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.projects.Project;
import com.cloud.user.UserContext;

@Implementation(description="Activates a project", responseObject=ProjectResponse.class, since="3.0.0")
public class ActivateProjectCmd extends BaseAsyncCmd {
    public static final Logger s_logger = Logger.getLogger(ActivateProjectCmd.class.getName());

    private static final String s_name = "activaterojectresponse";

    /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////
    
    @IdentityMapper(entityTableName="projects")
    @Parameter(name=ApiConstants.ID, type=CommandType.LONG, required=true, description="id of the project to be modified")
    private Long id;

    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////

    public Long getId() {
        return id;
    }

    @Override
    public String getCommandName() {
        return s_name;
    }
    
    @Override
    public long getEntityOwnerId() {
        Project project= _projectService.getProject(id);
        //verify input parameters
        if (project == null) {
            throw new InvalidParameterValueException("Unable to find project by id " + id);
        } 
        
        return _projectService.getProjectOwner(id).getId(); 
    }
 

    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public void execute(){
        UserContext.current().setEventDetails("Project id: "+ getId());
        Project project = _projectService.activateProject(id);
        if (project != null) {
            ProjectResponse response = _responseGenerator.createProjectResponse(project);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);
        } else {
            throw new ServerApiException(BaseCmd.INTERNAL_ERROR, "Failed to activate a project");
        }
    }
    
    @Override
    public String getEventType() {
        return EventTypes.EVENT_PROJECT_ACTIVATE;
    }
    
    @Override
    public String getEventDescription() {
        return  "Activating project: " + id;
    }
}