#include <SDL.h>
#include <SDL_vulkan.h>
#include <iostream>

#include "renderer.h"
#include "platform.h"

SDL_Window* window = nullptr;

std::vector<const char*> platform::getRequiredExtensions() {
    uint32_t count = 0;
    SDL_Vulkan_GetInstanceExtensions(window, &count, nullptr);
    
    std::vector<const char*> names(count);
    SDL_Vulkan_GetInstanceExtensions(window, &count, names.data());
    
    return names;
}

uint32_t platform::getTime() {
    return SDL_GetTicks();
}

int main(int, char*[]) {
    window = SDL_CreateWindow("Graph", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
    if(!window)
        return -1;
    
    Renderer* renderer = new Renderer();
    
    VkSurfaceKHR surface = nullptr;
    SDL_Vulkan_CreateSurface(window, renderer->getInstance(), &surface);
    
    RenderTarget* target = renderer->createSurfaceRenderTarget(surface);
    
    bool running = true;
    while(running) {
        SDL_Event event = {};
        while(SDL_PollEvent(&event)) {
            if(event.type == SDL_QUIT)
                running = false;
            
            if(event.type == SDL_WINDOWEVENT) {
                if(event.window.event == SDL_WINDOWEVENT_RESIZED)
                    target = renderer->createSurfaceRenderTarget(surface, target);
            }
        }
        
        renderer->render(target);
    }
    
    renderer->destroyRenderTarget(target);
    
    vkDestroySurfaceKHR(renderer->getInstance(), surface, nullptr);
    
    delete renderer;
    
    SDL_DestroyWindow(window);
        
    return 0;
}