/* Copyright (c) 2009
*
* Greg Hendrickson (LordGregGreg Back). All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
*   1. Redistributions of source code must retain the above copyright
*      notice, this list of conditions and the following disclaimer.
*   2. Redistributions in binary form must reproduce the above
*      copyright notice, this list of conditions and the following
*      disclaimer in the documentation and/or other materials provided
*      with the distribution.
*   3. Neither the name Modular Systems nor the names of its contributors
*      may be used to endorse or promote products derived from this
*      software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY MODULAR SYSTEMS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MODULAR SYSTEMS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "llviewerprecompiledheaders.h"

#include "lggdicdownload.h"

#include "llagentdata.h"
#include "llcommandhandler.h"
#include "llfloater.h"
#include "lluictrlfactory.h"
#include "llagent.h"
#include "llpanel.h"
#include "llbutton.h"
#include "llcolorswatch.h"
#include "llcombobox.h"
#include "llview.h"
#include "llprefsadvanced.h"
#include "llviewercontrol.h"
#include "llhttpclient.h"
#include "llbufferstream.h"

class lggDicDownloadFloater;

class EmeraldDicDownloader : public LLHTTPClient::Responder
{
public:
	EmeraldDicDownloader(lggDicDownloadFloater* spanel, std::string sname);
	~EmeraldDicDownloader() { }
	void completedRaw(
		U32 status,
		const std::string& reason,
		const LLChannelDescriptors& channels,
		const LLIOPipe::buffer_ptr_t& buffer);
private:
	lggDicDownloadFloater* panel;
	std::string name;
};


class lggDicDownloadFloater : public LLFloater, public LLFloaterSingleton<lggDicDownloadFloater>
{
public:
	lggDicDownloadFloater(const LLSD& seed);
	virtual ~lggDicDownloadFloater();
	BOOL postBuild(void);
	void setData(std::vector<std::string> shortNames, std::vector<std::string> longNames, void * data);
	static void onClickDownload(void* data);
	std::vector<std::string> sNames;
	std::vector<std::string> lNames;
	LLPrefsAdvanced * empanel;
};

lggDicDownloadFloater::~lggDicDownloadFloater()
{
}

lggDicDownloadFloater::lggDicDownloadFloater(const LLSD& seed)
{
	LLUICtrlFactory::getInstance()->buildFloater(this, "floater_dictionaries.xml");

	if (getRect().mLeft == 0 
		&& getRect().mBottom == 0)
	{
		center();
	}
}

BOOL lggDicDownloadFloater::postBuild(void)
{
	childSetAction("Emerald_dic_download", onClickDownload, this);
	return true;
}

void lggDicDownloadFloater::setData(std::vector<std::string> shortNames, std::vector<std::string> longNames, void* data)
{
	sNames = shortNames;
	lNames = longNames;
	empanel = (LLPrefsAdvanced*)data;

	LLComboBox* comboBox = getChild<LLComboBox>("Emerald_combo_dics");
	if (comboBox != NULL) 
	{
		comboBox->removeall();
		for (int i = 0; i < (int)lNames.size(); i++)
		{
			comboBox->add(lNames[i], ADD_BOTTOM);
		}
		comboBox->setCurrentByIndex(0);
		comboBox->add("", ADD_BOTTOM);
	}
}

void lggDicDownloadFloater::onClickDownload(void* data)
{
	lggDicDownloadFloater* self = (lggDicDownloadFloater*)data;
	if (self)
	{
		//std::string selection = self->childGetValue("Emerald_combo_dics").asString();
		LLComboBox* comboBox = self->getChild<LLComboBox>("Emerald_combo_dics");
		if (comboBox != NULL) 
		{
			if (!comboBox->getSelectedItemLabel().empty())
			{
				std::string newDict(self->sNames[comboBox->getCurrentIndex()]);
				LLHTTPClient::get(gSavedSettings.getString("DicDownloadBaseURL")+newDict+".aff", new EmeraldDicDownloader(self,newDict+".aff"));
				LLHTTPClient::get(gSavedSettings.getString("DicDownloadBaseURL")+newDict+".dic", new EmeraldDicDownloader(NULL,newDict+".dic"));
				
				LLButton* button = self->getChild<LLButton>("Emerald_dic_download");
				if (button)
				{
					// TODO: move this to xml
					button->setLabel(LLStringExplicit("Downloading... Please Wait"));
					button->setEnabled(FALSE);
				}
			}
		}
	} 
}

void LggDicDownload::show(BOOL showin, std::vector<std::string> shortNames, std::vector<std::string> longNames, void * data)
{
	if (showin)
	{
		lggDicDownloadFloater* dic_floater = lggDicDownloadFloater::showInstance();
		dic_floater->setData(shortNames,longNames,data);
	}
}

EmeraldDicDownloader::EmeraldDicDownloader(lggDicDownloadFloater* spanel, std::string sname)
	:
	panel(spanel),
	name(sname)
{
}


void EmeraldDicDownloader::completedRaw(U32 status, const std::string& reason, const LLChannelDescriptors& channels, const LLIOPipe::buffer_ptr_t& buffer)
{
	if (status < 200 || status >= 300)
	{
		return;
	}
	LLBufferStream istr(channels, buffer.get());
	std::string dicpath(gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "dictionaries", name.c_str()));

	llofstream ostr(dicpath, std::ios::binary);

	while (istr.good() && ostr.good())
	{
		ostr << istr.rdbuf();
	}
	ostr.close();
	if (panel)
	{
		panel->empanel->refresh();
		panel->close();
	}
}