package net.floodlightcontroller.core;

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

import net.floodlightcontroller.core.internal.Controller;
import net.floodlightcontroller.core.module.FloodlightModuleContext;
import net.floodlightcontroller.core.module.FloodlightModuleException;
import net.floodlightcontroller.core.module.IFloodlightModule;
import net.floodlightcontroller.core.module.IFloodlightService;
import net.floodlightcontroller.restserver.IRestApiService;
import net.floodlightcontroller.threadpool.IThreadPoolService;
import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryService;
import net.onrc.onos.registry.controller.IControllerRegistryService;

public class FloodlightProvider implements IFloodlightModule {
    Controller controller;
    
    @Override
    public Collection<Class<? extends IFloodlightService>> getModuleServices() {
        Collection<Class<? extends IFloodlightService>> services =
                new ArrayList<Class<? extends IFloodlightService>>(1);
        services.add(IFloodlightProviderService.class);
        return services;
    }

    @Override
    public Map<Class<? extends IFloodlightService>,
               IFloodlightService> getServiceImpls() {
        controller = new Controller();
        
        Map<Class<? extends IFloodlightService>,
            IFloodlightService> m = 
                new HashMap<Class<? extends IFloodlightService>,
                            IFloodlightService>();
        m.put(IFloodlightProviderService.class, controller);
        return m;
    }

    @Override
    public Collection<Class<? extends IFloodlightService>> getModuleDependencies() {
        Collection<Class<? extends IFloodlightService>> dependencies =
            new ArrayList<Class<? extends IFloodlightService>>(4);
        dependencies.add(IRestApiService.class);
        dependencies.add(IThreadPoolService.class);
        // Following added by ONOS
        // dependencies.add(IControllerRegistryService.class);
        // dependencies.add(ILinkDiscoveryService.class);

        return dependencies;
    }

    @Override
    public void init(FloodlightModuleContext context) throws FloodlightModuleException {
       controller.setRestApiService(
           context.getServiceImpl(IRestApiService.class));
       controller.setThreadPoolService(
           context.getServiceImpl(IThreadPoolService.class));
       // Following added by ONOS
       controller.setMastershipService(
    		   context.getServiceImpl(IControllerRegistryService.class));
       controller.setLinkDiscoveryService(
    		   context.getServiceImpl(ILinkDiscoveryService.class));

       controller.init(context.getConfigParams(this));
    }

    @Override
    public void startUp(FloodlightModuleContext context) {
        controller.startupComponents();
    }
}