#pragma once
#include <string>
#include <fstream>
#include <vector>
#include <map>
#include <list>

using namespace std;

#define BIN_VECTOR 1
#define BIN_CHAIN 3

class BPBinary
{
	
public:
	struct BHeader {
		unsigned int id;
		unsigned int datasize;
	};

	struct FixedHeader
	{
		BHeader* header;
		string description_of_content;
		explicit FixedHeader() {
			header = new BHeader;
		}
		~FixedHeader()
		{
			if (header)delete header;
		}
	};

	struct Version {
		BHeader* header;
		int major;
		int minor;
		explicit Version() {
			header = new BHeader;
		}
		~Version() {
			if (header)delete header;
		}
	};

	struct BFilePath {
		BHeader* header;
		string path;
		explicit BFilePath() {
			header = new BHeader;
		}
		~BFilePath()
		{
			if (header)delete header;
		}
	};

	struct Root {
		BHeader* header;
		FixedHeader* fixed_header;
		Version* version;
		BFilePath* file_path;
		explicit Root() {
			header = new BHeader;
			fixed_header = new FixedHeader;
			version = new Version;
			file_path = new BFilePath;
		}
		~Root() 
		{
			if (header)delete header;
			if (fixed_header)delete fixed_header;
			if (version)delete version;
			if (file_path)delete file_path;
		}
	};

	struct B210Session {
		BHeader* header;
		char* pdata;
		explicit B210Session() {
			header = new BHeader;
			pdata = nullptr;
		}
		~B210Session() {
			if (header)delete header;
			if (pdata)delete[] pdata;
		}
	};

	enum DBT {
		VECTOR = 1,
		CHAIN=3,
		UNDEFINED=4
	};

	struct DataBlockType {
		BHeader* header;
		DBT btype;
		explicit DataBlockType() {
			header = new BHeader;
		}
		~DataBlockType() {
			if (header)delete header;
		}
	};

	struct B2121Session {
		BHeader* header;
		unsigned int ivalue;
		explicit B2121Session() {
			header = new BHeader;
		}
		~B2121Session() {
			if (header)delete header;
		}
	};

	struct B2122Session {
		BHeader* header;
		unsigned int ivalue;
		explicit B2122Session() {
			header = new BHeader;
		}
		~B2122Session() {
			if (header)delete header;
		}
	};

	struct B2123Session {
		BHeader* header;
		unsigned int ivalue;
		explicit B2123Session() {
			header = new BHeader;
		}
		~B2123Session() {
			if (header)delete header;
		}
	};

	struct VectorPoint {
		float x1;
		float y1;
		float x2;
		float y2;
		VectorPoint() {}
		VectorPoint(float _x1, float _y1, float _x2, float _y2)
			:x1(_x1)
			,y1(_y1)
			,x2(_x2)
			,y2(_y2)
		{}
	};

	struct BPoint {
		float x;
		float y;
		BPoint() {}
		BPoint(float _x, float _y)
			:x(_x)
			,y(_y)
		{}
	};

	struct ChainPoint {
		unsigned int num_of_point;
		//BPoint* points;
		//ChainPoint* pnext;
		std::vector<BPoint*> points;

		ChainPoint() {
			num_of_point = 0;
			//points = NULL;
			//pnext = NULL;
		}
		~ChainPoint() {
			for (size_t i = 0; i < points.size();++i) {
				delete points[i];
				points[i] = NULL;
			}
			points.clear();
			//delete[] points;
		}
	};

	struct Coordinates {
		BHeader* header;
		std::vector<void*> point_indexs;
		explicit Coordinates() {
			header = new BHeader;
		}

		~Coordinates() {
			if (header)delete header;
			for (size_t i = 0; i < point_indexs.size(); ++i) {
				delete point_indexs[i];
				point_indexs[i] = NULL;
			}
			point_indexs.clear();
		}
	};

	struct DataBlock {
		BHeader* header;
		DataBlockType* data_block_type;
		B2121Session* b2121;
		B2122Session* b2122;
		B2123Session* b2123;
		Coordinates* coordinates;
		explicit DataBlock() {
			header = new BHeader;
			data_block_type = nullptr;
			b2121=nullptr;
			b2122 = nullptr;
			b2123 = nullptr;
			coordinates = nullptr;
		}

		~DataBlock() {
			if (header)delete header;
			if (data_block_type!=nullptr)delete data_block_type;
			if (b2121 != nullptr)delete b2121;
			if (b2122 != nullptr)delete b2122;
			if (b2123 != nullptr)delete b2123;
			if (coordinates != nullptr)delete coordinates;
		}
	};

	struct BinDataBlock {
		unsigned char type;
		std::vector<void*> point_indexs;
		unsigned int byteCount;
		explicit BinDataBlock() {
			byteCount = 0;
		}
		void Copy(BinDataBlock* db)
		{
			if (!db)return;
			db->type = type;
			db->byteCount = byteCount;
			for (size_t i = 0; i < point_indexs.size(); ++i) {
				if (type == VECTOR) {
					VectorPoint* point = (VectorPoint*)point_indexs[i];
					BPBinary::VectorPoint* pvp = new BPBinary::VectorPoint();
					pvp->x1 = point->x1;
					pvp->x2 = point->x2;
					pvp->y1 = point->y1;
					pvp->y2 = point->y2;
					db->point_indexs.push_back(pvp);
				}
				else if (type == CHAIN)
				{
					ChainPoint* temppoint = (ChainPoint*)point_indexs[i];
					BPBinary::ChainPoint* cpoint = new BPBinary::ChainPoint();
					cpoint->num_of_point = temppoint->num_of_point;
					for (unsigned int chainPointIndex = 0; chainPointIndex < temppoint->num_of_point; ++chainPointIndex) {
						BPBinary::BPoint* btemppoint = temppoint->points[chainPointIndex];
						BPBinary::BPoint* bpoint = new BPBinary::BPoint();
						bpoint->x = btemppoint->x;
						bpoint->y = btemppoint->y;
						cpoint->points.push_back(bpoint);
					}
					db->point_indexs.push_back(cpoint);
				}

			}
		}

		~BinDataBlock() {
			for (size_t i = 0; i < point_indexs.size();++i) {
				if (type== VECTOR) {
					VectorPoint* point = (VectorPoint*)point_indexs[i];
					delete point;
				}
				else if (type == CHAIN)
				{
					ChainPoint* point = (ChainPoint*)point_indexs[i];
					delete point;
				}else delete point_indexs[i];
				point_indexs[i] = NULL;
			}
			point_indexs.clear();
		}
	};

	struct Layer {
		BHeader* header;
		B210Session* b210;
		
		vector<DataBlock*> data_blocks;
		explicit Layer() {
			header = new BHeader;
			b210 = nullptr;
		}
		~Layer() {
			if (header)delete header;
			if (b210!=nullptr)delete b210;
			for (size_t i = 0; i < data_blocks.size(); ++i) {
				delete data_blocks[i];
				data_blocks[i] = NULL;
			}
			data_blocks.clear();
		}
	};

	struct Layers
	{
		BHeader* header;
		vector<Layer*> layers;
		explicit Layers() {
			header = new BHeader;
		}
		~Layers() {
			if (header)delete header;
			for (size_t i = 0; i < layers.size(); ++i) {
				delete layers[i];
				layers[i] = NULL;
			}
			layers.clear();
		}
	};

public:
	struct BFileInfo
	{
		string file_name;
		string file_path;
	};


public:
	BPBinary(BFileInfo info);
	~BPBinary();
	bool LoadFile();
	BFileInfo GetBFileInfo() {
		return m_file_info;
	}
	DataBlock* GetDataBlock(unsigned int index) {
		return m_data_block_map[index];
	}


private:
	void ReadRoot(ifstream& dataSteam);
	void ReadLayers(ifstream& dataSteam);
	void ReadLayer(ifstream& dataSteam, Layer* layer);
	void ReadDataBlock(ifstream& dataSteam, DataBlock* datablock);
	void ReadChains(ifstream& dataSteam, ChainPoint* chainPoint);

public:
	Root* m_root;
	Layers* m_layers;
	

private:
	BFileInfo m_file_info;
	map<unsigned int, DataBlock*> m_data_block_map;
};