#ifndef __SQLITE_H
#define __SQLITE_H

#ifndef __SHEET_H
#include <sheet.h>
#endif

struct TRecordset_column_info : public TObject
{
  TString _name;
  int _width;
  bool _numeric;
};

///////////////////////////////////////////////////////////
// TRecordset
///////////////////////////////////////////////////////////

enum TRecordsetExportFormat { fmt_unknown, fmt_html, fmt_text, fmt_silk, fmt_campo };

class TRecordset : public TObject
{
protected:
  bool save_as_html(const char* path);
  bool save_as_silk(const char* path);
  bool save_as_text(const char* path);
  bool save_as_campo(const char* path);

public: // Absolutely needed methods
  virtual TRecnotype items() const pure;
  virtual bool move_to(TRecnotype pos) pure;
  virtual TRecnotype current_row() const pure;
  
  virtual unsigned int columns() const pure;
  virtual const TRecordset_column_info& column_info(unsigned int column) const pure;
  virtual const TString& get(unsigned int column) const pure;

  virtual const TString& get(const char* column_name) const;
  virtual const TToken_string& sheet_head() const;

  virtual bool save_as(const char* path, TRecordsetExportFormat fmt = fmt_unknown);
};

///////////////////////////////////////////////////////////
// TSQL_recordset
///////////////////////////////////////////////////////////

class TSQL_recordset : public TRecordset
{
  TString _sql;

  TRecnotype _firstrow, _pagesize, _items, _current_row;
  TArray _column;
  TArray _page;

protected:
  void reset();

public: // TRecordset
  virtual TRecnotype items() const;
  virtual bool move_to(TRecnotype pos);
  virtual TRecnotype current_row() const { return _current_row; }
  virtual unsigned int columns() const;
  virtual const TRecordset_column_info& column_info(unsigned int c) const;
  virtual const TString& get(unsigned int column) const;
  
public:
  void set(const char* sql);

  // Internal use only
  virtual int on_get_items(int argc, char** values, char** columns);
  const TString_array* row(TRecnotype n);
  
  TSQL_recordset(const char* sql);
  virtual ~TSQL_recordset() { }
};

///////////////////////////////////////////////////////////
// TRecordset_sheet
///////////////////////////////////////////////////////////

class TRecordset_sheet : public TSheet
{
  TRecordset& _query;

protected:
  virtual void get_row(long r, TToken_string& row);
  virtual long get_items() const;

public:
  TRecordset_sheet(TRecordset& sql);
};

///////////////////////////////////////////////////////////
// Utility
///////////////////////////////////////////////////////////

void get_sql_directory(TFilename& path);
bool select_sql_file(TFilename& path, const char* ext);


#endif