package com.fuse.webview;
import android.content.Intent;
import android.net.Uri;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.graphics.Bitmap;
import com.foreign.Uno.Action;
import com.foreign.Uno.Func;
import com.foreign.Uno.Action_String;
import com.uno.StringArray;

public class FuseWebViewClient extends WebViewClient
{
	boolean redirect;
	boolean loadingFinished;

	Action _pageLoadedAction;
	Action _pageStartedAction;
	Action _urlChangedAction;
	Action_String _onCustomURI;
	String[] _customURIs;
	Func _hasUriSchemeHandler;

	public FuseWebViewClient(Action loaded, Action started, Action changed, Action_String onCustomURI, StringArray customURIs, Func hasUriSchemeHandler)
	{
		super();
		_pageLoadedAction = loaded;
		_pageStartedAction = started;
		_urlChangedAction = changed;
		_onCustomURI = onCustomURI;
		_customURIs = customURIs.copyArray();
		_hasUriSchemeHandler = hasUriSchemeHandler;
		loadingFinished = true;
		redirect = false;
	}

	@Override
	public boolean shouldOverrideUrlLoading(WebView view, String url)
	{
		if(tryInterceptUriScheme(url))
			return true;
		else if (url.startsWith("mailto:") ||
					url.startsWith("sms:") ||
					url.startsWith("tel:")) {
			Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
			com.fuse.Activity.getRootActivity().startActivity(intent);
			return true;
		}

		if(!loadingFinished){
			redirect = true;
		}else{
			if (_pageStartedAction != null)
				_pageStartedAction.run();
		}
		loadingFinished = false;
		view.loadUrl(url);
		return false;
	}

	private boolean tryInterceptUriScheme(String url){
		boolean hasUriSchemeHandler = _hasUriSchemeHandler.run();
		if(hasUriSchemeHandler)
		{
			for(String uri : _customURIs)
			{
				if(url.indexOf(uri) == 0)
				{
					_onCustomURI.run(url);
					return true;
				}
			}
		}
		return false;
	}

	@Override
	public void onPageStarted(WebView view, String url, Bitmap favIcon)
	{
		if(loadingFinished){
			if (_pageStartedAction != null)
				_pageStartedAction.run();
		}
		loadingFinished = false;
	}

	@Override
	public void onPageFinished(WebView view, String url)
	{
		if(_urlChangedAction != null)
				_urlChangedAction.run();

		if(!redirect)
			loadingFinished = true;

		if(loadingFinished && !redirect){
			loadingFinished = true;
			if (_pageLoadedAction != null)
				_pageLoadedAction.run();
		}else{
			redirect = false;
		}
	}
}