/*
 * Copyright (c) 2012 Socialize Inc.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.socialize.api.action.entity;

import android.app.Activity;
import com.socialize.EntityUtils.SortOrder;
import com.socialize.Socialize;
import com.socialize.entity.Entity;
import com.socialize.error.SocializeException;
import com.socialize.listener.entity.EntityAddListener;
import com.socialize.listener.entity.EntityGetListener;
import com.socialize.listener.entity.EntityListListener;
import com.socialize.log.SocializeLogger;
import com.socialize.ui.SocializeEntityLoader;
import com.socialize.util.DefaultAppUtils;
import com.socialize.util.EntityLoaderUtils;


/**
 * @author Jason Polites
 *
 */
public class SocializeEntityUtils implements EntityUtilsProxy {
	
	private EntitySystem entitySystem;
	private EntityLoaderUtils entityLoaderUtils;
	private SocializeLogger logger;
	
	@Override
	public void getEntity(Activity context, long id, EntityGetListener listener) {
		entitySystem.getEntity(Socialize.getSocialize().getSession(), id, listener);
	}

	/* (non-Javadoc)
	 * @see com.socialize.api.action.entity.EntityUtilsProxy#saveEntity(android.app.Activity, com.socialize.entity.Entity, com.socialize.listener.entity.EntityAddListener)
	 */
	@Override
	public void saveEntity(Activity context, Entity e, EntityAddListener listener) {
		entitySystem.addEntity(Socialize.getSocialize().getSession(), e, listener);
	}

	/* (non-Javadoc)
	 * @see com.socialize.api.action.entity.EntityUtilsProxy#getEntity(android.app.Activity, java.lang.String, com.socialize.listener.entity.EntityGetListener)
	 */
	@Override
	public void getEntity(Activity context, String key, EntityGetListener listener) {
		entitySystem.getEntity(Socialize.getSocialize().getSession(), key, listener);
	}

	/* (non-Javadoc)
	 * @see com.socialize.api.action.entity.EntityUtilsProxy#getEntities(android.app.Activity, int, int, com.socialize.listener.entity.EntityListListener)
	 */
	@Override
	public void getEntities(Activity context, int start, int end, SortOrder sortOrder, EntityListListener listener) {
		entitySystem.getEntities(Socialize.getSocialize().getSession(), start, end, sortOrder, listener);
	}

	/* (non-Javadoc)
	 * @see com.socialize.api.action.entity.EntityUtilsProxy#getEntities(android.app.Activity, int, int, com.socialize.listener.entity.EntityListListener, java.lang.String[])
	 */
	@Override
	public void getEntities(Activity context, SortOrder sortOrder, EntityListListener listener, String... keys) {
		entitySystem.getEntities(Socialize.getSocialize().getSession(), sortOrder, listener, keys);
	}

	public void setEntitySystem(EntitySystem entitySystem) {
		this.entitySystem = entitySystem;
	}
	
	public void setEntityLoaderUtils(EntityLoaderUtils entityLoaderUtils) {
		this.entityLoaderUtils = entityLoaderUtils;
	}

	public void setLogger(SocializeLogger logger) {
		this.logger = logger;
	}

	@Override
	public void showEntity(final Activity context, String key, final EntityGetListener listener) {
		getEntity(context, key, new EntityGetListener() {
			
			@Override
			public void onGet(Entity entity) {
				showEntity(context, entity, listener);
			}
			
			@Override
			public void onError(SocializeException error) {
				if(listener != null) {
					listener.onError(error);
				}
			}
		});		
	}

	@Override
	public void showEntity(final Activity context, long id, final EntityGetListener listener) {
		getEntity(context, id, new EntityGetListener() {
			
			@Override
			public void onGet(Entity entity) {
				showEntity(context, entity, listener);
			}
			
			@Override
			public void onError(SocializeException error) {
				if(listener != null) {
					listener.onError(error);
				}
			}
		});
	}
	
	protected void showEntity(Activity context, Entity entity, EntityGetListener listener) {
		final SocializeEntityLoader entityLoader = entityLoaderUtils.initEntityLoader();
		
		if(entityLoader != null) {
			if(entityLoader.canLoad(context, entity)) {
				entityLoader.loadEntity(context, entity);
			}
			else {
				if(logger != null && logger.isDebugEnabled()) {
					logger.debug("Entity loader indicates that entity with key [" +
							entity.getKey() +
							"] cannot be loaded.  Redirecting to home activity");
				}
				
				DefaultAppUtils.launchMainApp(context);
			}
		}
		else {
			if(listener != null) {
				listener.onError(new SocializeException("No entity loader defined"));
			}
		}
	}
}