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#pragma once
#include "routing/routing_callbacks.hpp"
#include "routing/checkpoints.hpp"
#include "routing/route.hpp"
#include "routing/router_delegate.hpp"
#include "geometry/point2d.hpp"
#include "geometry/rect2d.hpp"
#include "base/cancellable.hpp"
#include <functional>
#include <string>
namespace routing
{
using TCountryFileFn = std::function<std::string(m2::PointD const &)>;
using CourntryRectFn = std::function<m2::RectD(std::string const & countryId)>;
using CountryParentNameGetterFn = std::function<std::string(std::string const &)>;
class Route;
/// Routing engine type.
enum class RouterType
{
// @TODO It's necessary to rename Vehicle value to Car.
Vehicle = 0, /// For Car routing.
Pedestrian, /// For A star pedestrian routing.
Bicycle, /// For A star bicycle routing.
Taxi, /// For taxi route calculation Vehicle routing is used.
Transit, /// For A star pedestrian + transit routing.
Count /// Number of router types.
};
std::string ToString(RouterType type);
RouterType FromString(std::string const & str);
std::string DebugPrint(RouterType type);
class IRouter
{
public:
virtual ~IRouter() {}
/// Return unique name of a router implementation.
virtual std::string GetName() const = 0;
/// Clear all temporary buffers.
virtual void ClearState() {}
/// Override this function with routing implementation.
/// It will be called in separate thread and only one function will processed in same time.
/// @warning please support Cancellable interface calls. You must stop processing when it is true.
///
/// @param startPoint point to start routing
/// @param startDirection start direction for routers with high cost of the turnarounds
/// @param finalPoint target point for route
/// @param adjust adjust route to the previous one if possible
/// @param delegate callback functions and cancellation flag
/// @param route result route
/// @return ResultCode error code or NoError if route was initialised
/// @see Cancellable
virtual RouterResultCode CalculateRoute(Checkpoints const & checkpoints,
m2::PointD const & startDirection, bool adjust,
RouterDelegate const & delegate, Route & route) = 0;
};
} // namespace routing
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