#include "glfwWindow.h"



WindowGLFW::WindowGLFW() {
    
}

WindowGLFW::~WindowGLFW() {

    glfwTerminate();
}

void WindowGLFW::init( std::string title, int x, int y) : title(title), x(x), y(y) {

    if(!glfwInit()) {
        std::cout << "glfwInit failed!\n";
        error = true;
        return;
    }

    window = glfwCreateWindow(x, y, title.c_str(), NULL, NULL);
    if(!window) {
        glfwTerminate();
        std::cout << "glfwCreateWindow failed!";
        error = true;
        return;
    }

    glfwMakeContextCurrent(window);
}

void WindowGLFW::shutdown() {
    ~WindowGLFW();
}

void WindowGLFW::getSize() {

    SDL_GetWindowSize(window, &x, &y);
}

const Event* WindowGLFW::createEvent() {
    switch(event.type) {
        case SDL_KEYDOWN:
            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
                                event.key.keysym.mod, event.key.repeat, true);

        case SDL_KEYUP:
            return new KeyEvent(event.key.keysym.sym, event.key.keysym.scancode, 
                                event.key.keysym.mod, event.key.repeat, false);

        case SDL_TEXTINPUT:
            return new KeyTypedEvent(event.text.windowID, event.text.text);

        case SDL_MOUSEBUTTONDOWN:
        case SDL_MOUSEBUTTONUP:

            switch(event.button.button) {
                case SDL_BUTTON_LEFT:   return new MouseButtonEvent(0, (event.type == SDL_MOUSEBUTTONDOWN));
                case SDL_BUTTON_RIGHT:  return new MouseButtonEvent(1, (event.type == SDL_MOUSEBUTTONDOWN));
                case SDL_BUTTON_MIDDLE: return new MouseButtonEvent(2, (event.type == SDL_MOUSEBUTTONDOWN));
                case SDL_BUTTON_X1:     return new MouseButtonEvent(3, (event.type == SDL_MOUSEBUTTONDOWN));
                case SDL_BUTTON_X2:     return new MouseButtonEvent(4, (event.type == SDL_MOUSEBUTTONDOWN));
            }
            

        case SDL_MOUSEMOTION:
            return new MouseMovedEvent(event.motion.x, event.motion.y, event.motion.xrel, event.motion.yrel);

        case SDL_MOUSEWHEEL:
            return new MouseScrolledEvent(event.wheel.x, event.wheel.y);

        case SDL_WINDOWEVENT:
            return new WindowEvent(event.window.windowID, event.window.event);
    }
    return nullptr;
}


const Event* WindowGLFW::pollEvents() {

    while (SDL_PollEvent(&event)) {

        return createEvent();
    }
    return nullptr;
}