#include "../../src/System.h"
#include "Window.h"
#include "SdlKeyboardController.h"

#include <thread>

int main() {

    using namespace std::placeholders;

    nes::System device;
    nes::SdlWindow window(nes::Ppu::SCREEN_WIDTH, nes::Ppu::SCREEN_HEIGHT);
    window.setSize(nes::Ppu::SCREEN_WIDTH*2, nes::Ppu::SCREEN_HEIGHT*2);
    bool working = true;
    SDL_Event e;

    device.connect(std::make_shared<SdlKeyboardController>());
    //device.insertCartridge("/home/selim/Downloads/dk.nes");
    device.insertCartridge("/Users/selim/Documents/nes/ppu_tests/vram_access.nes");
    //device.insertCartridge("/Users/selim/Documents/nes/ff.nes");
    //device.insertCartridge("C:\\Users\\selim\\Documents\\nestest.nes");

    auto frameStart = std::chrono::steady_clock::now();
    while (working) {

        if(auto frameBuffer = device.tick()) {

            // Draw frame
            window.drawFrame(frameBuffer);

            // Poll all accumulated events
            while(SDL_PollEvent(&e)) {
                switch(e.type) {
                case SDL_EVENT_WINDOW_CLOSE_REQUESTED:
                case SDL_EVENT_QUIT:
                    working = false;
                    break;
                }
            }

            // Wait some time for slowing down to 60 fps
            auto renderingTime = std::chrono::steady_clock::now();
            auto elapsedTime = std::chrono::duration_cast<std::chrono::nanoseconds>(renderingTime - frameStart).count();
            int64_t waitTime = 1000000000/60 - elapsedTime;
            if(waitTime > 0) {
                std::this_thread::sleep_for(std::chrono::nanoseconds(waitTime));
            }
            frameStart = std::chrono::steady_clock::now();
        }
    }

    return 0;
}