/*
 * 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.ui;

import android.app.Activity;
import android.content.Context;
import android.util.AttributeSet;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.View;
import com.socialize.Socialize;
import com.socialize.SocializeSystem;
import com.socialize.UserUtils;
import com.socialize.android.ioc.IOCContainer;
import com.socialize.error.SocializeException;
import com.socialize.i18n.I18NConstants;
import com.socialize.i18n.LocalizationService;
import com.socialize.listener.SocializeInitListener;
import com.socialize.log.SocializeLogger;
import com.socialize.ui.comment.CommentActivity;
import com.socialize.util.Drawables;
import com.socialize.view.BaseView;

/**
 * @author Jason Polites
 */
public abstract class SocializeBaseView extends BaseView {

	protected IOCContainer container;
	protected Drawables drawables;
	protected LocalizationService localizationService;
	
	protected Menu menu;
	
	protected boolean viewLoaded = false;
	
	public SocializeBaseView(Context context, AttributeSet attrs) {
		super(context, attrs);
	}

	public SocializeBaseView(Context context) {
		super(context);
	}
	
	@Override
	public void onViewLoad() {
		super.onViewLoad();
		View loading = getLoadingView();
		if(loading != null) {
			addView(loading);
		}
		doSocializeInit(getContext(), getInitLoadListener());
	}
	
	@Override
	public void onViewUpdate() {
		super.onViewUpdate();
		doSocializeInit(getContext(), getInitUpdateListener());
	}
	
	protected SocializeInitListener getInitLoadListener() {
		return new SocializeInitListener() {
			
			@Override
			public void onError(SocializeException error) {
				SocializeLogger.e("Error initializing Socialize", error);
				onViewError(error);
			}
			
			@Override
			public void onInit(Context context, IOCContainer c) {
				container = c;
				drawables = c.getBean("drawables");
				localizationService = c.getBean("localizationService");
				onViewLoad(container);
			}
		};
	}
	
	protected SocializeInitListener getInitUpdateListener() {
		return new SocializeInitListener() {
			
			@Override
			public void onError(SocializeException error) {
				SocializeLogger.e("Error initializing Socialize", error);
			}
			
			@Override
			public void onInit(Context context, IOCContainer c) {
				container = c;
				drawables = c.getBean("drawables");
				localizationService = c.getBean("localizationService");
				onViewUpdate(container);
			}
		};
	}	
	
	// Subclasses override
	public void onViewLoad(IOCContainer container) {
		// Create a menu if we have one.
		if(menu != null) {
			createOptionsMenuItem(getActivity(), menu);
		}
		
		viewLoaded = true;
	}
	
	// Subclasses override
	public void onViewUpdate(IOCContainer container) {}

	protected void doSocializeInit(Context context, SocializeInitListener listener) {
		if(!isInEditMode()) {
			onBeforeSocializeInit();
			initSocialize(context, listener);
		}
	}
	
	protected <E> E getBean(String name) {
		return container.getBean(name);
	}

	public void setContainer(IOCContainer container) {
		this.container = container;
	}

	protected void initSocialize(final Context context, final SocializeInitListener listener) {
		SocializeSystem system = getSocialize().getSystem();
		String[] config = system.getBeanConfig(context);
		
		final SocializeInitListener systemListener = system.getSystemInitListener();
		
		if(systemListener != null) {
			
			SocializeInitListener overrideListener = new SocializeInitListener() {
				
				@Override
				public void onError(SocializeException error) {
					systemListener.onError(error);
					listener.onError(error);
				}
				
				@Override
				public void onInit(Context context, IOCContainer container) {
					systemListener.onInit(context, container);
					listener.onInit(context, container);
				}
			};
			
			getSocialize().initAsync(getContext(), overrideListener, config);
		}
		else {
			getSocialize().initAsync(getContext(), listener, config);
		}
	}
	
	public abstract View getLoadingView();
	
	public View getLoadFailView() {
		return null;
	}
	
	protected void createOptionsMenuItem(final Activity source, Menu menu) {
		if(Socialize.getSocialize().isAuthenticated()) {
			MenuItem add = menu.add(localizationService.getString(I18NConstants.SETTINGS_HEADER));
			
			if(drawables != null) {
				add.setIcon(drawables.getDrawable("ic_menu_preferences.png"));
			}
			
			add.setOnMenuItemClickListener(new OnMenuItemClickListener() {
				@Override
				public boolean onMenuItemClick(MenuItem item) {
					if(!onSettingsMenuItemClick(item)) {
						UserUtils.showUserSettingsForResult(source, CommentActivity.PROFILE_UPDATE);
					}
					return true;
				}
			});
		}
	}

	protected boolean onSettingsMenuItemClick(MenuItem item) {
		return false;
	}
	
	public final boolean onCreateOptionsMenu(final Activity source, Menu menu) {
		this.menu = menu;
		
		if(viewLoaded) {
			createOptionsMenuItem(source, menu);
		}
		
		return true;
	}	
	
	// Subclasses override
	protected void onBeforeSocializeInit() {}
}