#include "SynEngine.hpp"
class GameConfiguration;
class Grid;

class GameManager
{
    private:
        static GameConfiguration *config;
        static unsigned lastInputDirection;
        static sf::Vector2i lastInputVector;
        static Grid *grid;

    public:
        static Timer timer;
        static void KeyPress(sf::Keyboard::Key);
        static void SetConfig(GameConfiguration &);
        static GameConfiguration *GetConfig();
        static void SetGrid(Grid &);
        static Grid &GetGrid();
        static sf::Vector2i GetInputVector();
        static unsigned GetInputDirection();
};

GameConfiguration *GameManager::config = NULL;
Grid *GameManager::grid = NULL;
unsigned GameManager::lastInputDirection = 0;
sf::Vector2i GameManager::lastInputVector = sf::Vector2i(1, 0);

void GameManager::KeyPress(sf::Keyboard::Key keycode)
{
    switch (keycode)
    {
        case sf::Keyboard::Key::Up:    case sf::Keyboard::Key::W: GameManager::lastInputDirection = 3; GameManager::lastInputVector = sf::Vector2i(0, 1); break;
        case sf::Keyboard::Key::Left:  case sf::Keyboard::Key::A: GameManager::lastInputDirection = 2; GameManager::lastInputVector = sf::Vector2i(-1, 0); break;
        case sf::Keyboard::Key::Down:  case sf::Keyboard::Key::S: GameManager::lastInputDirection = 1; GameManager::lastInputVector = sf::Vector2i(0, -1); break;
        case sf::Keyboard::Key::Right: case sf::Keyboard::Key::D: GameManager::lastInputDirection = 0; GameManager::lastInputVector = sf::Vector2i(1, 0); break;
    }
}

sf::Vector2i GameManager::GetInputVector()
{
    return GameManager::lastInputVector;
}

unsigned GameManager::GetInputDirection()
{
    return GameManager::lastInputDirection;
}

void GameManager::SetConfig(GameConfiguration &config)
{
    GameManager::config = &config;
}

GameConfiguration *GameManager::GetConfig()
{
    return GameManager::config;
}

void GameManager::SetGrid(Grid &grid)
{
    GameManager::grid = &grid;
}

Grid &GameManager::GetGrid()
{
    return *GameManager::grid;
}