// Copyright (c) 2000 - 2026 kio@little-bat.de
// BSD-2-Clause license
// https://opensource.org/licenses/BSD-2-Clause

#include "MetaData.h"
#include "RlesData.h"
#include "TapeData.h"
#include "templates/Buffer.h"

/*	class PzxData
	--------------

	1-bit data block
	- read from pzx file

	may be convertible directly from
	- rles
	- tzx
	- tap, o80, p81  (eventually)
*/

namespace zxsp
{

typedef Buffer<uint8> charBuffer;


class PzxData : public TapeData
{
	charBuffer	 data;
	mutable Time current_position;
	Time		 total_playtime;
	void		 calcTotalPlaytime();

	void init();
	void init(const TapeData& q);
	void init(const PzxData& q);
	void init(const RlesData& q);
	void kill();
	friend class RlesData;

public:
	PzxData() : TapeData(isa_PzxData) { init(); }
	PzxData(const PzxData& q) : TapeData(q) { init(q); }  // shared data
	PzxData(const TapeData& q) : TapeData(q) { init(q); } // convert
	PzxData& operator=(const PzxData& q)
	{
		if (this != &q)
		{
			kill();
			TapeData::operator=(q);
			init(q);
		}
		return *this;
	}
	PzxData& operator=(const TapeData& q)
	{
		if (this != &q)
		{
			kill();
			TapeData::operator=(q);
			init(q);
		}
		return *this;
	}
	PzxData& operator=(const RlesData& q)
	{
		kill();
		TapeData::operator=(q);
		init(q);
		return *this;
	}
	virtual ~PzxData() { kill(); }

	virtual bool isA(isa_id id) const { return id == isa_PzxData || TapeData::isA(id); }
	virtual Time getTotalPlaytime() const { return total_playtime; }
	virtual Time getCurrentPosition() const { return current_position; }
	virtual void calcBlockInfos();
	virtual void purge();

	static void readFile(cstr fpath, AoP<TapeData>&, MetaData&) throw(file_error, data_error, bad_alloc);
	static void writeFile(cstr fpath, AoP<TapeData>&, MetaData&) throw(file_error, data_error, bad_alloc);
};

}