/** 
 * @file llmarketplacefunctions.cpp
 * @brief Implementation of assorted functions related to the marketplace
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llmarketplacefunctions.h"

#include "llagent.h"
#include "llhttpclient.h"
#include "lltrans.h"
#include "llviewercontrol.h"
#include "llviewermedia.h"
#include "llviewernetwork.h"


//
// Helpers
//

static std::string getMarketplaceDomain()
{
	std::string domain = "secondlife.com";
	
	if (!LLGridManager::getInstance()->isInProductionGrid())
	{
		const std::string& grid_label = LLGridManager::getInstance()->getGridLabel();
		const std::string& grid_label_lower = utf8str_tolower(grid_label);
		
		if (grid_label_lower == "damballah")
		{
			domain = "secondlife-staging.com";
		}
		else
		{
			domain = llformat("%s.lindenlab.com", grid_label_lower.c_str());
		}
	}
	
	return domain;
}

static std::string getMarketplaceURL(const std::string& urlStringName)
{
	LLStringUtil::format_map_t domain_arg;
	domain_arg["[MARKETPLACE_DOMAIN_NAME]"] = getMarketplaceDomain();
	
	std::string marketplace_url = LLTrans::getString(urlStringName, domain_arg);
	
	return marketplace_url;
}

LLStringUtil::format_map_t getMarketplaceStringSubstitutions()
{
	std::string marketplace_url = getMarketplaceURL("MarketplaceURL");
	std::string marketplace_url_create = getMarketplaceURL("MarketplaceURL_CreateStore");
	std::string marketplace_url_dashboard = getMarketplaceURL("MarketplaceURL_Dashboard");
	std::string marketplace_url_info = getMarketplaceURL("MarketplaceURL_LearnMore");
	
	LLStringUtil::format_map_t agent_map;
	agent_map["[AGENT_ID]"] = gAgent.getID().getString();
	
	LLStringUtil::format(marketplace_url_dashboard, agent_map);
	
	LLStringUtil::format_map_t marketplace_sub_map;
	marketplace_sub_map["[MARKETPLACE_URL]"] = marketplace_url;
	marketplace_sub_map["[MARKETPLACE_CREATE_STORE_URL]"] = marketplace_url_create;
	marketplace_sub_map["[MARKETPLACE_LEARN_MORE_URL]"] = marketplace_url_info;
	marketplace_sub_map["[MARKETPLACE_DASHBOARD_URL]"] = marketplace_url_dashboard;
	
	return marketplace_sub_map;
}

namespace LLMarketplaceImport
{
	// Basic interface for this namespace

	bool inProgress();
	bool resultPending();
	U32 getResultStatus();
	const LLSD& getResults();

	void establishMarketplaceSessionCookie();
	void pollStatus();
	void triggerImport();
	
	// Internal state variables

	static std::string sMarketplaceCookie = "";
	static LLSD sImportId = LLSD::emptyMap();
	static bool sImportInProgress = false;
	static bool sImportPostPending = false;
	static bool sImportGetPending = false;
	static U32 sImportResultStatus = 0;
	static LLSD sImportResults = LLSD::emptyMap();

	
	// Responders
	
	class LLImportPostResponder : public LLHTTPClient::Responder
	{
	public:
		LLImportPostResponder() : LLCurl::Responder() {}
		
		void completed(U32 status, const std::string& reason, const LLSD& content)
		{
			if (gSavedSettings.getBOOL("InventoryOutboxLogging"))
			{
				llinfos << " SLM POST status: " << status << llendl;
				llinfos << " SLM POST reason: " << reason << llendl;
				llinfos << " SLM POST content: " << content.asString() << llendl;
			}

			sImportInProgress = (status == MarketplaceErrorCodes::IMPORT_DONE);
			sImportPostPending = false;
			sImportResultStatus = status;
			sImportId = content;
		}
	};
	
	class LLImportGetResponder : public LLHTTPClient::Responder
	{
	public:
		LLImportGetResponder() : LLCurl::Responder() {}
		
		void completedHeader(U32 status, const std::string& reason, const LLSD& content)
		{
			sMarketplaceCookie = content["set-cookie"].asString();
		}
		
		void completed(U32 status, const std::string& reason, const LLSD& content)
		{
			if (gSavedSettings.getBOOL("InventoryOutboxLogging"))
			{
				llinfos << " SLM GET status: " << status << llendl;
				llinfos << " SLM GET reason: " << reason << llendl;
				llinfos << " SLM GET content: " << content.asString() << llendl;
			}

			sImportInProgress = (status == MarketplaceErrorCodes::IMPORT_PROCESSING);
			sImportGetPending = false;
			sImportResultStatus = status;
			sImportResults = content;
		}
	};
	
	// Coroutine testing
/*
	std::string gTimeDelayDebugFunc = "";
	
	void timeDelay(LLCoros::self& self, LLPanelMarketplaceOutbox* outboxPanel)
	{
		waitForEventOn(self, "mainloop");
		
		LLTimer delayTimer;
		delayTimer.reset();
		delayTimer.setTimerExpirySec(5.0f);
		
		while (!delayTimer.hasExpired())
		{
			waitForEventOn(self, "mainloop");
		}
		
		outboxPanel->onImportPostComplete(MarketplaceErrorCodes::IMPORT_DONE, LLSD::emptyMap());
		
		gTimeDelayDebugFunc = "";
	}
	
	std::string gImportPollingFunc = "";
	
	void importPoll(LLCoros::self& self, LLPanelMarketplaceOutbox* outboxPanel)
	{
		waitForEventOn(self, "mainloop");
		
		while (outboxPanel->isImportInProgress())
		{
			LLTimer delayTimer;
			delayTimer.reset();
			delayTimer.setTimerExpirySec(5.0f);
			
			while (!delayTimer.hasExpired())
			{
				waitForEventOn(self, "mainloop");
			}
			
			//outboxPanel->
		}
		
		gImportPollingFunc = "";
	}
	
*/	
	
	// Basic API

	bool inProgress()
	{
		return sImportInProgress;
	}
	
	bool resultPending()
	{
		return (sImportPostPending || sImportGetPending);
	}
	
	U32 getResultStatus()
	{
		return sImportResultStatus;
	}
	
	const LLSD& getResults()
	{
		return sImportResults;
	}
	
	static std::string getInventoryImportURL()
	{
		std::string url = getMarketplaceURL("MarketplaceURL");
		
		url += "api/1/";
		url += gAgent.getID().getString();
		url += "/inventory/import/";
		
		return url;
	}
	
	void establishMarketplaceSessionCookie()
	{
		sImportInProgress = true;
		sImportGetPending = true;
		
		std::string url = getInventoryImportURL();
		
		if (gSavedSettings.getBOOL("InventoryOutboxLogging"))
		{
			llinfos << " SLM GET: " << url << llendl;
		}

		LLHTTPClient::get(url, new LLImportGetResponder(), LLViewerMedia::getHeaders());
	}
	
	void pollStatus()
	{
		sImportGetPending = true;

		std::string url = getInventoryImportURL();

		url += sImportId.asString();

		// Make the headers for the post
		LLSD headers = LLSD::emptyMap();
		headers["Accept"] = "*/*";
		headers["Cookie"] = sMarketplaceCookie;
		headers["Content-Type"] = "application/llsd+xml";
		headers["User-Agent"] = LLViewerMedia::getCurrentUserAgent();
		
		if (gSavedSettings.getBOOL("InventoryOutboxLogging"))
		{
			llinfos << " SLM GET: " << url << llendl;
		}

		LLHTTPClient::get(url, new LLImportGetResponder(), headers);
	}
	
	void triggerImport()
	{
		sImportId = LLSD::emptyMap();
		sImportInProgress = true;
		sImportPostPending = true;
		sImportResultStatus = MarketplaceErrorCodes::IMPORT_PROCESSING;
		sImportResults = LLSD::emptyMap();

		std::string url = getInventoryImportURL();
		
		// Make the headers for the post
		LLSD headers = LLSD::emptyMap();
		headers["Accept"] = "*/*";
		headers["Connection"] = "Keep-Alive";
		headers["Cookie"] = sMarketplaceCookie;
		headers["Content-Type"] = "application/xml";
		headers["User-Agent"] = LLViewerMedia::getCurrentUserAgent();
		
		if (gSavedSettings.getBOOL("InventoryOutboxLogging"))
		{
			llinfos << " SLM POST: " << url << llendl;
		}

		LLHTTPClient::post(url, LLSD(), new LLImportPostResponder(), headers);
		
		// Set a timer (for testing only)
		//gTimeDelayDebugFunc = LLCoros::instance().launch("LLPanelMarketplaceOutbox timeDelay", boost::bind(&timeDelay, _1, this));
	}
}


//
// Interface class
//


//static
void LLMarketplaceInventoryImporter::update()
{
	if (instanceExists())
	{
		LLMarketplaceInventoryImporter::instance().updateImport();
	}
}

LLMarketplaceInventoryImporter::LLMarketplaceInventoryImporter()
	: mImportInProgress(false)
	, mInitialized(false)
	, mStatusChangedSignal(NULL)
	, mStatusReportSignal(NULL)
{
}

void LLMarketplaceInventoryImporter::initialize()
{
	if (!mInitialized)
	{
		LLMarketplaceImport::establishMarketplaceSessionCookie();
	}
}

boost::signals2::connection LLMarketplaceInventoryImporter::setStatusChangedCallback(const status_changed_signal_t::slot_type& cb)
{
	if (mStatusChangedSignal == NULL)
	{
		mStatusChangedSignal = new status_changed_signal_t();
	}

	return mStatusChangedSignal->connect(cb);
}

boost::signals2::connection LLMarketplaceInventoryImporter::setStatusReportCallback(const status_report_signal_t::slot_type& cb)
{
	if (mStatusReportSignal == NULL)
	{
		mStatusReportSignal = new status_report_signal_t();
	}

	return mStatusReportSignal->connect(cb);
}

bool LLMarketplaceInventoryImporter::triggerImport()
{
	LLMarketplaceImport::triggerImport();
	
	return LLMarketplaceImport::inProgress();
}

void LLMarketplaceInventoryImporter::updateImport()
{
	const bool in_progress = LLMarketplaceImport::inProgress();
	
	if (in_progress && !LLMarketplaceImport::resultPending())
	{
		LLMarketplaceImport::pollStatus();
	}	
	
	if (mImportInProgress != in_progress)
	{
		mImportInProgress = in_progress;
		
		if (mStatusChangedSignal)
		{
			(*mStatusChangedSignal)(mImportInProgress);
		}
		
		// If we are no longer in progress, report results
		if (!mImportInProgress && mStatusReportSignal)
		{
			if (mInitialized)
			{
				(*mStatusReportSignal)(LLMarketplaceImport::getResultStatus(), LLMarketplaceImport::getResults());
			}
			else
			{
				mInitialized = true;
			}
		}
	}
}