#pragma once

#include <fea/config.hpp>

#define NO_SDL_GLEXT

#include <fea/ui/inputbackend.hpp>

#include <SDL2/SDL.h>

namespace fea

{

class FEA_API SDL2InputBackend : public InputBackend

{

public:

SDL2InputBackend();

std::queue<Event> fetchEvents() override;

bool isKeyPressed(Keyboard::Code code) override;

bool isMouseButtonPressed(Mouse::Button b) override;

Vec2I getMouseGlobalPosition() override; //not supported

Vec2I getMouseWindowPosition() override;

void setMouseGlobalPosition(int32_t x, int32_t y) override; //not supported

void setMouseWindowPosition(int32_t x, int32_t y) override; //not supported

bool isGamepadConnected(uint32_t id) override; //not supported

uint32_t getGamepadButtonCount(uint32_t id) override; //not supported

bool isGamepadButtonPressed(uint32_t id, uint32_t button) override; //not supported

bool gamepadHasAxis(uint32_t id, Gamepad::Axis axis) override; //not supported

float getGamepadAxisPosition(uint32_t id, Gamepad::Axis axis) override; //not supported

void setGamepadThreshold(float threshold) override; //not supported

void setKeyRepeatEnabled(bool enabled) override; //not supported

private:

Event closed();

Event resized(SDL_Event& event);

Event windowFocus(bool focus);

Event keyPressed(SDL_Event& event); //alt/control/shift/system modifiers not supported

Event keyReleased(SDL_Event& event); //alt/control/shift/system modifiers not supported

Event mouseButtonPressed(SDL_Event& event);

Event mouseButtonReleased(SDL_Event& event);

Event mouseMoved(SDL_Event& event);

Event gamepadButtonPressed(SDL_Event& event); //not supported

Event gamepadButtonReleased(SDL_Event& event); //not supported

Event gamepadMoved(SDL_Event& event); //not supported

Event mouseWheel(SDL_Event& event);

Keyboard::Code sdlKeyCodeToFea(SDL_Keycode sdlCode) const;

SDL_Keycode feaKeyCodeToSdl(Keyboard::Code feaCode) const;

uint8_t feaMouseButtonToSdl(Mouse::Button feaMouseButton) const;

Mouse::Button sdlMouseButtonToFea(uint32_t sdlMouseButton) const;

bool mKeyRepeat;

};

}