#pragma once


#include <string>
#include <fstream>
#include <memory>
#include <set>


namespace wfr {
namespace wep {

// Forward declarations
class WorkflowExecutionPlan;
class AbstractWepNode;

// main namespace
namespace utils {


class WepProgressionWriter {

// Invariant properties that can be accessed directly.
public:
	const std::shared_ptr<WorkflowExecutionPlan> wep;
	const std::string workflowName;

private:
	std::ofstream outfile;
	int64_t epoch = 0;

public:
	WepProgressionWriter(const std::shared_ptr<WorkflowExecutionPlan>& wep) noexcept;

	void openFile(const std::string filename = std::string());
	void writeProgressToFile();
	void closeFile();

};


} /* namespace utils */
} /* namespace wep */
} /* namespace wfr */