#include "input.h"

// Constructor
Input::Input()
{
	for (int i = 0; i < 15; i++)
	{
		mInput[i].scancode = 0;
		mInput[i].active = false;
	}
}

// Destructor
Input::~Input()
{
}

// Asigna uno de los posibles inputs a una tecla del teclado
void Input::bindKey(Uint8 input, SDL_Scancode code)
{
	mInput[input].scancode = code;
}

// Comprueba si un input esta activo
bool Input::checkInput(Uint8 input, bool repeat)
{
	const Uint8 *mKeystates = SDL_GetKeyboardState(NULL);

	if (repeat)
	{
		if (mKeystates[mInput[input].scancode] != 0)
			return true;
		else
			return false;
	}
	else
	{
		if (!mInput[input].active)
		{
			if (mKeystates[mInput[input].scancode] != 0)
			{
				mInput[input].active = true;
				return true;
			}
			else
			{
				return false;
			}
		}
		else
		{
			if (mKeystates[mInput[input].scancode] == 0)
			{
				mInput[input].active = false;
				return false;
			}
			else
			{
				return false;
			}
		}
	}
}

// Gestiona las entradas desde el mando de juego
bool Input::checkGameController(Uint8 state)
{
	bool success = false;

	// No hay mando. Siempre devuelve falso salvo NO_INPUT que siempre es cierto
	/*if (!mGameControllerFound)
	{
		if (state == NO_INPUT)
			return true;
		else
			return false;
	}


	switch (state)
	{
	case INPUT_NULL:
		success = !checkGameController(INPUT_UP) && !checkGameController(INPUT_DOWN) && !checkGameController(INPUT_LEFT) && !checkGameController(INPUT_RIGHT) &&
				  !checkGameController(INPUT_ACCEPT) && !checkGameController(INPUT_CANCEL) && !checkGameController(INPUT_PAUSE) &&
				  !checkGameController(INPUT_FIRE_UP) && !checkGameController(INPUT_FIRE_LEFT) && !checkGameController(INPUT_FIRE_RIGHT);
		break;
	case INPUT_UP:
		success = (SDL_JoystickGetAxis(mGameController, 1) < -JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_UP));
		break;
	case INPUT_DOWN:
		success = (SDL_JoystickGetAxis(mGameController, 1) > JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_DOWN));
		break;
	case INPUT_LEFT:
		success = (SDL_JoystickGetAxis(mGameController, 0) < -JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_LEFT));
		break;
	case INPUT_RIGHT:
		success = (SDL_JoystickGetAxis(mGameController, 0) > JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_RIGHT));
		break;
	case INPUT_ACCEPT:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_B));
		break;
	case INPUT_CANCEL:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_A));
		break;
	case INPUT_PAUSE:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_START));
		break;
	case INPUT_FIRE_UP:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_Y));
		break;
	case INPUT_FIRE_LEFT:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_X));
		break;
	case INPUT_FIRE_RIGHT:
		success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_B));
		break;

	default:
		break;
	}*/
	return success;
}

// Comprueba si hay algun mando conectado
		/*if (SDL_NumJoysticks() < 1)
		{
			printf("Warning: No joysticks connected!\n");
			mGameControllerFound = false;
		}
		else
		{
			// Carga el mando
			mGameController = SDL_JoystickOpen(0);
			mGameControllerFound = true;

			if (mGameController == NULL)
			{
				printf("Warning: Unable to open game controller!\nSDL Error: %s\n", SDL_GetError());
				mGameControllerFound = false;
			}
			else
			{
				printf("%i joysticks were found.\n", SDL_NumJoysticks());
				std::cout << SDL_JoystickNumButtons(mGameController) << " buttons\n";

				// Obtiene el dispositivo de control háptico
				mControllerHaptic = SDL_HapticOpenFromJoystick(mGameController);
				if (mControllerHaptic == NULL)
				{
					printf("Warning: Controller does not support haptics!\nSDL Error: %s\n", SDL_GetError());
				}
				else
				{
					printf("Haptics detected\n");

					// Inicializa la vibración
					if (SDL_HapticRumbleInit(mControllerHaptic) < 0)
					{
						printf("Warning: Unable to initialize rumble!\nSDL Error: %s\n", SDL_GetError());
					}
				}
			}
		}*/