#ifndef TFARMTASK_H

#define TFARMTASK_H

#include <memory></memory>

#include <qdatetime></qdatetime>

#include "tpersist.h"

#include "tfarmplatforms.h"

#include "tfilepath.h"

#ifdef TFARMAPI

#undef TFARMAPI

#endif

#ifdef _WIN32

#ifdef TFARM_EXPORTS

#define TFARMAPI __declspec(dllexport)

#else

#define TFARMAPI __declspec(dllimport)

#endif

#else

#define TFARMAPI

#endif

//------------------------------------------------------------------------------

const int cPortNumber = 51005;

enum TaskState {

	Suspended,

	Waiting,

	Running,

	Completed,

	Aborted,

	TaskUnknown

};

enum FrameState {

	FrameDone,

	FrameFailed

};

enum OverwriteBehavior {

	Overwrite_All = 0,

	Overwrite_NoPaint,

	Overwrite_Off

};

#define RENDER_LICENSE_NOT_FOUND 888

//------------------------------------------------------------------------------

class TFARMAPI TFarmTask : public TPersist

{

public:

	typedef QString Id;

	class TFARMAPI Dependencies

	{

	public:

		Dependencies();

		~Dependencies();

		Dependencies(const Dependencies &);

		Dependencies &operator=(const Dependencies &);

		bool operator==(const Dependencies &);

		bool operator!=(const Dependencies &);

		void add(const QString &id);

		void remove(const QString &id);

		int getTaskCount() const;

		QString getTaskId(int i) const;

	private:

		class Data;

		Data *m_data;

	};

public:

	Id m_id;	   //!< Internal task identifier

	Id m_parentId; //!< Task id of the parent task (if any)

	bool m_isComposerTask; //!< Whether this is a tcomposer task (opposed to tcleanupper task)

	QString m_name;				 //!< User-readable name

	TFilePath m_taskFilePath;	//!< Path of the input file affected by the task

	TFilePath m_outputPath;		 //!< Path of the task's output file

	QString m_callerMachineName; //!< Name of the... caller (submitter?) machine

	int m_priority; //!< Priority value used for scheduling order

	QString m_user;		//!< User who submitted the task

	QString m_hostName; //!< Machine on which the task was submitted

	TaskState m_status; //!< The task's status (completed, work in progress... etc)

	QString m_server;   //!< Server node (name) the task was supplied to

	QDateTime m_submissionDate;

	QDateTime m_startDate;

	QDateTime m_completionDate;

	int m_successfullSteps; //

	int m_failedSteps;		//

	int m_stepCount;		// Why 3 values ? One should be found with the other 2!

	int m_from, m_to, m_step, m_shrink; //!< Range data

	int m_chunkSize;					//!< Sub-tasks size

	int m_multimedia;

	int m_threadsIndex;

	int m_maxTileSizeIndex;

	OverwriteBehavior m_overwrite;

	bool m_onlyVisible;

	TFarmPlatform m_platform;

	Dependencies *m_dependencies;

public:

	TFarmTask(const QString &name = "");

	TFarmTask(const QString &id, const QString &name, const QString &cmdline,

			  const QString &user, const QString &host, int stepCount, int priority);

	TFarmTask(

		const QString &id, const QString &name, bool composerTask,

		const QString &user, const QString &host,

		int stepCount, int priority, const TFilePath &taskFilePath,

		const TFilePath &outputPath,

		int from, int to, int step, int shrink, int multimedia, int chunksize,

		int threadsIndex, int maxTileSizeIndex,

		OverwriteBehavior overwrite, bool onlyvisible);

	virtual ~TFarmTask() { delete m_dependencies; }

	TFarmTask(const TFarmTask &);

	TFarmTask &operator=(const TFarmTask &);

	bool operator==(const TFarmTask &task);

	bool operator!=(const TFarmTask &task);

	virtual int getTaskCount() const { return 1; }

	virtual TFarmTask *getTask(int index) { return this; }

	QString getCommandLine(bool isFarmTask = false) const;

	void parseCommandLine(QString commandLine);

	// TPersist

	void loadData(TIStream &is);

	void saveData(TOStream &os);

	const TPersistDeclaration *getDeclaration() const;

};

//------------------------------------------------------------------------------

class TFARMAPI TFarmTaskGroup : public TFarmTask

{

public:

	TFarmTaskGroup();

	TFarmTaskGroup(

		const QString &id, const QString &name,

		const QString &user,

		const QString &host, int stepCount, int priority, const TFilePath &taskFilePath,

		const TFilePath &outputPath,

		int from, int to, int step, int shrink, int multimedia, int chunksize,

		int threadsIndex, int maxTileSizeIndex);

	TFarmTaskGroup(

		const QString &id, const QString &name,

		const QString &user,

		const QString &host, int stepCount, int priority, const TFilePath &taskFilePath,

		OverwriteBehavior overwrite, bool onlyvisible);

	TFarmTaskGroup(const QString &id, const QString &name, const QString &cmdline,

				   const QString &user, const QString &host, int stepCount, int priority);

	TFarmTaskGroup(const TFarmTaskGroup &src);

	~TFarmTaskGroup();

	void addTask(TFarmTask *task);

	void removeTask(TFarmTask *task);

	int getTaskCount() const;

	TFarmTask *getTask(int index);

	bool changeChunkSize(int chunksize);

	// TPersist

	void loadData(TIStream &is);

	void saveData(TOStream &os);

	const TPersistDeclaration *getDeclaration() const;

private:

	class Imp;

	std::unique_ptr<imp> m_imp;</imp>

};

#endif