#include <stdio.h>
#include <stdlib.h>
#include <allegro5/allegro.h>
#include <allegro5/allegro_image.h>

ALLEGRO_DISPLAY *display = NULL;
const int SCREEN_W = 640,
        SCREEN_H = 480;

void quit(bool condition, const char* quitMessage) {
    if (condition) {
        fprintf(stderr, quitMessage);
        al_destroy_display(display);
        exit(-1);
    }
}

int main(int argc, char **argv) {

    ALLEGRO_EVENT_QUEUE *event_queue = NULL;
    ALLEGRO_BITMAP *bg = NULL;
    ALLEGRO_BITMAP *tile = NULL;
    ALLEGRO_BITMAP *tilebmp = NULL;

    quit(!al_init(),
            "failed to initialize allegro!\n");
    quit(!(display = al_create_display(SCREEN_W, SCREEN_H)),
            "failed to create display!\n");
    quit(!(event_queue = al_create_event_queue()),
            "failed to create event_queue!\n");
    quit(!al_init_image_addon(),
            "failed to initialize image addon!\n");
    quit(!(bg = al_load_bitmap("resources\\bg.png")),
            "failed to load image!\n");
    quit(!(tile = al_load_bitmap("resources\\tile.png")),
            "failed to load image!\n");
    quit(!(tilebmp = al_load_bitmap("resources\\tile.bmp")),
            "failed to load image!\n");

    al_register_event_source(event_queue, al_get_display_event_source(display));

    al_clear_to_color(al_map_rgb(0,0,0));
    al_flip_display();

    while(1) {
        ALLEGRO_EVENT ev;
        ALLEGRO_TIMEOUT timeout;
        al_init_timeout(&timeout, 0.06);

        bool get_event = al_wait_for_event_until(event_queue, &ev, &timeout);

        if (get_event && ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) {
        break;
        }

        al_clear_to_color(al_map_rgb(255,255,255));
        al_draw_bitmap(tile,32,32,0);
        al_draw_bitmap(tilebmp,128,32,0);
        al_flip_display();
    }

    al_destroy_display(display);
    al_destroy_event_queue(event_queue);

    return 0;
}