#include <stdint.h>
#include <stdbool.h>
#include <SDL2/SDL.h>
#include "display.h"

bool is_running = false;

void setup(void) {
    // Allocate the required memory in bytes to hold color buffer
    color_buffer = (uint32_t *) malloc(sizeof(uint32_t) * window_width * window_height);

    // Creating the SDL Texture that is uses to display the color buffer
    color_buffer_texture = SDL_CreateTexture(
            renderer,
            SDL_PIXELFORMAT_ARGB8888,
            SDL_TEXTUREACCESS_STREAMING,
            window_width,
            window_height
    );
}

void process_input(void) {
    SDL_Event event;
    SDL_PollEvent(&event);

    switch (event.type) {
        case SDL_QUIT:
            is_running = false;
            break;
        case SDL_KEYDOWN:
            if (event.key.keysym.sym == SDLK_ESCAPE) {
                is_running = false;
            }
            break;
    }
}


void update(void) {
}


void render(void) {
    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
    SDL_RenderClear(renderer);

    clear_color_buffer(0xFF000000);
    draw_grid(10);
    draw_rect(50, 50, 640, 480, 0xFFDD00DD);
    render_color_buffer();

    SDL_RenderPresent(renderer);
}


int main(void) {
    is_running = initialize_window();
    setup();
    while (is_running) {
        process_input();
        update();
        render();
    }
    destroy_window();
    return 0;
}