#pragma once

#include <string>
#include <map>
#include <list>
#include "Maybe.h"

using namespace std;

struct RowItem;
struct Row;
struct ColHeader;
struct Table;

string serialise(const ColHeader &header,const RowItem &rowitem);
string serialise(int32_t v);
string serialise(uint32_t v);
string serialise(unsigned char *v,int len);


struct RowItem{
	union { //watch the pointerness or not-pointerness of the attributes!
		int32_t rh_int32;
		uint32_t rh_uint32;
		unsigned char *rh_bytes;
	} u;
};

enum ColHeaderType{
	RH_INT32,
	RH_UINT32,
	RH_BYTES //takes length argument
};
struct ColHeader{
	ColHeaderType type;
	int arg;
};

struct Row{
	const int nc;
	const Table *table; //pointer to the parent table; don't delete!
	RowItem *items;

	Row(const int _nc,const Table *const _t);
	~Row(void);
	Row(Row &&other); //move constr
	Row(const Row &other); //copy constr

	friend ostream& operator<<(ostream &os,const Row &r);
};

struct Table{
	const string name;
	const int nc;
	ColHeader *header;
	map<string,Row> rows; //map key is serialised version of the first column

	Table(const string &_n,const int _nc,const ColHeader *const _hd);
	~Table(void);
	Table(Table &&other);

	bool insert(Row &&row);
	bool insert(Row &row);
	list<Row> find(const string &key);
};