// Site Mapper
//
// Douglas Thrift
//
// $Id$

#include "SiteMapper.hpp"
#include "Matcher.hpp"
#include "Page.hpp"

string program;
bool debug = false;

int main(int argc, char* argv[])
{
	program = argv[0];

	string siteIndex, siteMap;

	for (int index = 1; index < argc; index++)
	{
		string arg(argv[index]);
		Matcher matcher;

		if (arg == matcher("^-index=(.*)$"))
		{
			siteIndex = matcher[1];
		}
		else if (arg == matcher("^-map=(.*)$"))
		{
			siteMap = matcher[1];
		}
		else if (arg == "-D")
		{
			if (!debug) debug = true;
		}
	}

	if (siteIndex != "" && siteMap != "")
	{
		XMLPlatformUtils::Initialize();
		XPathEvaluator::initialize();

		SiteMapper mapper(siteIndex, siteMap);

		XPathEvaluator::terminate();
		XMLPlatformUtils::Terminate();
	}
	else
	{
		cout << "Usage: " << program << " -index=index -map=map [-D]\n";
	}

	return 0;
}

SiteMapper::SiteMapper(const string& siteIndex, const string& siteMap)
{
	oldMap(siteMap);
	index(siteIndex);
	newMap(siteMap);
}

void SiteMapper::oldMap(const string& siteMap)
{
	support.setParserLiaison(&liaison);

	XalanDOMString file(siteMap.c_str());
	LocalFileInputSource source(file.c_str());

	XalanDocument* document = liaison.parseXMLStream(source);

	if (document == 0) return;

	XalanNode* list = evaluator.selectSingleNode(support, document,
		XalanDOMString("/page/section/list").c_str());

	if (list == 0) return;

	item = evaluator.createXPath(XalanDOMString("item").c_str());
	address = evaluator.createXPath(XalanDOMString("link/@address").c_str());
	link = evaluator.createXPath(XalanDOMString("link").c_str());
	this->list = evaluator.createXPath(XalanDOMString("list").c_str());

	oldMap(pages, list);
}

void SiteMapper::oldMap(vector<Page>& pages, XalanNode* list)
{
	NodeRefList nodes = evaluator.selectNodeList(support, list, *item);

	for (int index = 0; index < nodes.getLength(); index++)
	{
		XalanNode* node = nodes.item(index);
		XObjectPtr address = evaluator.evaluate(support, node,
			*(this->address));
		ostringstream url;

		if (!address.null())
		{
			url << address->str();
		}

		XObjectPtr link = evaluator.evaluate(support, node, *(this->link));
		ostringstream title;

		if (!link.null())
		{
			title << link->str();
		}

		Page page(url.str(), title.str());
		XalanNode* list = evaluator.selectSingleNode(support, node,
			*(this->list));

		if (list != 0) oldMap(page.getChildren(), list);

		pages.push_back(page);
	}
}

void SiteMapper::index(const string& siteIndex)
{
	//
}

void SiteMapper::newMap(const string& siteMap)
{
	//

	for (int index = 0; index < pages.size(); index++)
	{
		cout << pages[index] << '\n';
	}
}