#pragma once
#include <set>
#include "MetaData.h"
#include "JobContent.h"
#include "expat.h"
#define BIN_LIMIT_SIZE 524288000	//500m

class JobMetaData : public MetaData
{
public:
	struct ParseAssist {
		unsigned int depth;
		string tempValue;
		Property* tempProperty;
		map<int, string> depthMap;
		Part* lastPart;
		ParameterSet* lastParameterSet;
		BinaryFile* lastBinaryFile;
		Layer* lastLayer;
		DataBlock* lastDataBlock;
		//double fixDis;
		ScanField* lastScanField;
		ParseAssist() {
			depth = 0;
			tempValue = "";
			tempProperty = NULL;
			lastPart = NULL;
			lastParameterSet = NULL;
			lastBinaryFile = NULL;
			lastLayer = NULL;
			lastDataBlock = NULL;
			lastScanField = NULL;
		//	fixDis = 0.0;
		}

	};

public:
	JobMetaData();
	~JobMetaData();
	bool LoadFile(string path, string filename, vector<BPBinary::BFileInfo>& bfileinfos,string binpath);
	bool LoadLayerByIndex(unsigned int lindex);
	bool GetLayerByIndex(unsigned int lindex, ::stream::LayerData** response);
	bool LoadLayer(Layer* layer);
	void SetJobContent(JobContent* job_content);
	bool LoadPrevLayer(Layer* layer);
	bool LoadPrevLayerByIndex(unsigned int lindex);
	bool LoadRemoteLayerByIndex(unsigned int index);
	bool LoadFirstLayer();
	//float CalcEvaTime(float start_at = 0.0);
	//void ReCalcEvaTime();

	void AddPart(Part* part);
	void DelPart(Part* part);
private:
	static void XMLCALL StartElement(void *userData, const XML_Char *name, const XML_Char **attrs);
	static void XMLCALL EndElement(void *userData, const XML_Char *name);
	static void XMLCALL DataHandler(void *userData, const XML_Char *s, int len);

	bool ReadBDataBlock(LayerSummary* summary, Dimensions* partLayerDimensions, BPBinary::BinDataBlock* datablock, ifstream* ifs);
	//bool ReadBChains(LayerSummary* summary, BPBinary::ChainPoint* chainpoint, ifstream* ifs);

	
private:
	map<int,BinaryFile*> binary_files;
	
	JobContent* m_job_content;
	ParseAssist parseAssist;
	unsigned int m_ReadBytes;
	unsigned int m_TotalBytes;
	XML_Parser m_Parser;
};