// simple.hxx -- a really simplistic class to manage airport ID,
//                 lat, lon of the center of one of it's runways, and 
//                 elevation in feet.
//
// Written by Curtis Olson, started April 1998.
// Updated by Durk Talsma, started December 2004.
//
// Copyright (C) 1998  Curtis L. Olson  - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// $Id$


#ifndef _FG_SIMPLE_HXX
#define _FG_SIMPLE_HXX


#ifndef __cplusplus                                                          
# error This library requires C++
#endif                                   


#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif
#include <simgear/math/point3d.hxx>

#include <simgear/compiler.h>
//#include <simgear/xml/easyxml.hxx>

#include STL_STRING
#include <map>
#include <set>
#include <vector>

#include "runwayprefs.hxx"
#include "parking.hxx"
#include "groundnetwork.hxx"
#include "dynamics.hxx"

SG_USING_STD(string);
SG_USING_STD(map);
SG_USING_STD(set);
SG_USING_STD(vector);




/***************************************************************************************
 *
 **************************************************************************************/
class FGAirport {
private:
  string _id;
  double _longitude;    // degrees
  double _latitude;     // degrees
  double _elevation;    // ft
  string _name;
  bool _has_metar;
  FGAirportDynamics *dynamics;

public:
  FGAirport();
  // FGAirport(const FGAirport &other);
  FGAirport(const string& id, double lon, double lat, double elev, const string& name, bool has_metar);
  ~FGAirport();

  string getId() const { return _id;};
  const string &getName() const { return _name;};
  double getLongitude() const { return _longitude;};
  // Returns degrees
  double getLatitude()  const { return _latitude; };
  // Returns ft
  double getElevation() const { return _elevation;};
  bool   getMetar()     const { return _has_metar;};

  void setId(const string& id) { _id = id;};
  void setMetar(bool value) { _has_metar = value; };

  FGAirportDynamics *getDynamics();
private:
  FGAirport operator=(FGAirport &other);
  FGAirport(const FGAirport&);
};

typedef map < string, FGAirport* > airport_map;
typedef airport_map::iterator airport_map_iterator;
typedef airport_map::const_iterator const_airport_map_iterator;

typedef vector < FGAirport * > airport_list;
typedef airport_list::iterator airport_list_iterator;
typedef airport_list::const_iterator const_airport_list_iterator;


class FGAirportList {

private:

    airport_map airports_by_id;
    airport_list airports_array;
  //set < string > ai_dirs;

public:

    // Constructor (new)
    FGAirportList();

    // Destructor
    ~FGAirportList();

    // add an entry to the list
    void add( const string& id, const double longitude, const double latitude,
              const double elevation, const string& name, const bool has_metar );

    // search for the specified id.
    // Returns NULL if unsucessfull.
    FGAirport* search( const string& id );
	
    // Search for the next airport in ASCII sequence to the supplied id.
    // eg. id = "KDC" or "KDCA" would both return "KDCA".
    // If exact = true then only exact matches are returned.
    // NOTE: Numbers come prior to A-Z in ASCII sequence so id = "LD" would return "LD57", not "LDDP"
    // Implementation assumes airport codes are unique.
    // Returns NULL if unsucessfull.
    const FGAirport* findFirstById( const string& id, bool exact = false );

    // search for the airport closest to the specified position
    // (currently a linear inefficient search so it's probably not
    // best to use this at runtime.)  If with_metar is true, then only
    // return station id's marked as having metar data.
	// Returns NULL if fails (unlikely unless none have metar and with_metar spec'd!)
    FGAirport* search( double lon_deg, double lat_deg, bool with_metar );

    /**
     * Return the number of airports in the list.
     */
    int size() const;

    /**
     * Return a specific airport, by position.
     */
    const FGAirport *getAirport( unsigned int index ) const;
	
    /**
     * Return a pointer to the raw airport list
     */
     inline const airport_list* getAirportList() { return(&airports_array); }

    /**
     * Mark the specified airport record as not having metar
     */
    void no_metar( const string &id );

    /**
     * Mark the specified airport record as (yes) having metar
     */
    void has_metar( const string &id );

};

// find basic airport location info from airport database
const FGAirport *fgFindAirportID( const string& id);

// get airport elevation
double fgGetAirportElev( const string& id );

// get airport position
Point3D fgGetAirportPos( const string& id );

#endif // _FG_SIMPLE_HXX