//
// Created by Мустафаев Селим Мустафаевич on 24.08.2023.
//

#include "Window.h"

namespace nes {

    SdlWindow::SdlWindow(uint16_t width, uint16_t height): _width(width), _height(height) {
        int res = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_GAMEPAD);
        if(res < 0) throw std::runtime_error("Error initializing SDL");

        Uint32 flags = SDL_WINDOW_HIGH_PIXEL_DENSITY; //| SDL_WINDOW_VULKAN | SDL_WINDOW_METAL;
        _wnd.reset(SDL_CreateWindow("NES", width, height, flags));
        if(!_wnd) throw std::runtime_error("Error creating SDL window");

        SDL_SetWindowResizable(_wnd.get(), true);

        _renderer.reset(SDL_CreateRenderer(_wnd.get(), nullptr));
        if(!_renderer) throw std::runtime_error("Error creating SDL renderer");

        _texture.reset(SDL_CreateTexture(_renderer.get(), SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, width, height));
        if(!_texture) throw std::runtime_error("Error creating SDL texture");
    }

    void SdlWindow::drawFrame(const Pixel *buffer) {
        int pitch = static_cast<int>(_width*sizeof(Pixel));
        SDL_UpdateTexture(_texture.get(), nullptr, buffer, pitch);
        SDL_RenderClear(_renderer.get());
        SDL_RenderTexture(_renderer.get(), _texture.get(), nullptr, nullptr);
        SDL_RenderPresent(_renderer.get());
    }

    void SdlWindow::setSize(int width, int height) {
        SDL_SetWindowSize(_wnd.get(), width, height);
    }
}