#include "dumpTask.h"
#include "rowSet.h"
#include "xmlObjectLoader.h"
#include <boost/foreach.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <stdio.h>

ElementLoaderImpl<DumpTask> dumptaskLoader("dumptask");

DumpTask::DumpTask(const xmlpp::Element * p) :
	SourceObject(p),
	Task(p)
{
}

DumpTask::~DumpTask()
{
}

void
DumpTask::loadComplete(const CommonObjects *)
{
}

class Printer : public boost::static_visitor<> {
	public:
		void operator()(const long long int & i) const {
			fprintf(stderr, "%lld", i);
		}
		void operator()(const long int & i) const {
			fprintf(stderr, "%ld", i);
		}
		void operator()(const int & i) const {
			fprintf(stderr, "%d", i);
		}
		void operator()(const short int & i) const {
			fprintf(stderr, "%hd", i);
		}
		void operator()(const long long unsigned int & i) const {
			fprintf(stderr, "%llu", i);
		}
		void operator()(const long unsigned int & i) const {
			fprintf(stderr, "%lu", i);
		}
		void operator()(const unsigned int & i) const {
			fprintf(stderr, "%u", i);
		}
		void operator()(const short unsigned int & i) const {
			fprintf(stderr, "%hu", i);
		}
		void operator()(const float & i) const {
			fprintf(stderr, "%g", i);
		}
		void operator()(const double & i) const {
			fprintf(stderr, "%g", i);
		}
		void operator()(const Glib::ustring & i) const {
			fprintf(stderr, "'%.*s'", i.length(), i.c_str());
		}
		void operator()(const boost::shared_ptr<const Glib::ustring> & i) const {
			fprintf(stderr, "'%.*s'", i->length(), i->c_str());
		}
		void operator()(const boost::posix_time::ptime & i) const {
			fprintf(stderr, "[%s]", boost::posix_time::to_iso_extended_string(i).c_str());
		}
		void operator()(const boost::shared_ptr<const boost::posix_time::ptime> & i) const {
			fprintf(stderr, "[%s]", boost::posix_time::to_iso_extended_string(*i).c_str());
		}
};

void
DumpTask::execute() const
{
	const RowSet::RowValuesStack::value_type & r = *++RowSet::Stack().rbegin();
	unsigned int cols = r->columnCount();
	Printer printer;
	for (unsigned int c = 0; c < cols; c += 1) {
		if (c > 0) {
			fprintf(stderr, ", ");
		}
		fprintf(stderr, "%s = ", r->getColumnName(c).c_str());
		if (!r->isNull(c)) {
			boost::apply_visitor<const Printer, const VariableType>(printer, r->getCurrentValue(c));
		}
	}
	fprintf(stderr, "\n");
}