#include <stdio.h>
#include <stdlib.h>
#include <SDL2/SDL.h>

enum PlayerNumber {one,two};

int done;

int speed = 5;

static void quit(int rc)
{
    SDL_Quit();
    exit(rc);
}

void loop(SDL_Rect* playerBat,SDL_Renderer* renderer, enum PlayerNumber playerNumber)
{
    SDL_Keycode upKey;

    switch (playerNumber) {
        case one:
            upKey = SDLK_UP;
            break;

        case two:
            upKey = 'w';
            break;
    }
    SDL_Keycode downKey;
    switch (playerNumber) {
        case one:
            downKey = SDLK_DOWN;
            break;

        case two:
            downKey = 's';
            break;
    }
     SDL_Event event;
    if (SDL_PollEvent(&event))
    {
        switch (event.type)
        {
        case SDL_KEYDOWN:
            if (event.key.keysym.sym == upKey && playerBat->y > 0)
            {
                playerBat->y-=speed;
                printf("Going up, new local: %i\n", playerBat->y);
            }
            else if (event.key.keysym.sym == downKey && playerBat->y < 400 - playerBat->h)
            {
                playerBat->y+=speed;
                printf("Going down, new local: %i\n", playerBat->y);
            }
            break;
        case SDL_QUIT:
            done = 1;
            break;
        default:
            break;
        }
    }
}

int main(int argc, char *argv[])
{
    SDL_Window *window;
    if (SDL_Init(SDL_INIT_VIDEO) < 0)
    {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
        return (1);
    }
    window = SDL_CreateWindow("Pong-ish",
                              SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
                              640, 400, 0);
SDL_StartTextInput();
    SDL_PumpEvents();
done = 0;
    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, 0);
    SDL_Rect playerLeft = { .x = 10, .y = 175, .h = 50, .w = 8 };
    SDL_Rect playerRight = { .x = 640 - 10 - 8, .y = 175, .h = 50, .w = 8 };
 while (!done)
    {
        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
        SDL_RenderClear( renderer );
        SDL_SetRenderDrawColor( renderer, 255, 255, 255, 255 );
        loop(&playerRight, renderer, one);
        loop(&playerLeft, renderer, two);
        SDL_RenderFillRect(renderer, &playerRight);
        SDL_RenderFillRect(renderer, &playerLeft);
        SDL_RenderPresent( renderer);
    }
    SDL_Quit();
    return (0);
}