#include "input_mapper.h"


void InputMapper::setGame(Game *game)
{
    InputMapper::game = game;
}


void InputMapper::processEvents()
{
    sf::Event event{};
    while (game->window->pollEvent(event))
    {
        switch (event.type)
        {
            case sf::Event::KeyPressed:
                handleKeyPress(event.key);
                break;
            case sf::Event::KeyReleased:
                handleKeyRelease(event.key);
                break;
            case sf::Event::Closed:
                game->exit();
                break;
            case sf::Event::Resized:
                break;
            default:
                break;
        }
    }
}

void InputMapper::handleKeyPress(sf::Event::KeyEvent event)
{
    // Close game on Escape or Q in DEV Mode
    if (DEVELOPER_MODE && (event.code == sf::Keyboard::Escape || event.code == sf::Keyboard::Q))
    {
        game->exit();
        return;
    }

    // Handle direction
    auto direction = Direction::getDirection(event.code);
    if (direction != InputDirection::NONE)
    {
        inputDirectionBuffer.push_back(direction);
    }
}

InputDirection InputMapper::getInputDirection()
{
    InputDirection direction = InputDirection::NONE;

    for (InputDirection directionPart: inputDirectionBuffer)
    {
        direction = static_cast<InputDirection>(direction | directionPart);
    }

    return direction;
}

void InputMapper::handleKeyRelease(sf::Event::KeyEvent event)
{
    // Handle direction
    auto direction = Direction::getDirection(event.code);
    if (direction != InputDirection::NONE)
    {
        // Remove direction from buffer
        inputDirectionBuffer.erase(std::remove(inputDirectionBuffer.begin(), inputDirectionBuffer.end(), direction),
                                   inputDirectionBuffer.end());
    }
}