#ifndef HEADER_ARRAS_RENDER_WINDOW_HPP
#define HEADER_ARRAS_RENDER_WINDOW_HPP

#include "render.h"
#define Pi 3.14159265358979323846

using namespace arras;

RenderWindow::RenderWindow(RenderWindow&& rd)
	: w(rd.w), h(rd.h), window(rd.window), renderer(rd.renderer) {
	rd.renderer = nullptr;
	rd.window = nullptr;
}

RenderWindow::RenderWindow(int w, int h): w(w), h(h) {
	if (SDL_CreateWindowAndRenderer(w, h, SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI, &window, &renderer) != 0) {
		throw std::runtime_error(
			fmt::format("SDL_CreateWindowAndRenderer() failed: {}", SDL_GetError()));
	}
}

RenderWindow::~RenderWindow() {
	SDL_DestroyRenderer(renderer);
	SDL_DestroyWindow(window);
}

SDL_Renderer* RenderWindow::nativeHandle() const noexcept {
	return renderer;
}

void RenderWindow::renderTextureAt(const RenderTexture& t, const Vec2& pos) const {
	if (SDL_RenderCopyF(renderer,
						t.nativeHandle(),
						NULL,
						makeFRect(pos, {t.width(), t.height()}).get())) {
		throw std::runtime_error(fmt::format("SDL_RenderCopy() failed: {}", SDL_GetError()));
	}
}

void RenderWindow::renderTextureAt(const RenderTexture& t,
								   const Vec2& pos,
								   const Vec2& direction) const {
	if (SDL_RenderCopyExF(renderer,
						  t.nativeHandle(),
						  NULL,
						  makeFRect(pos, {t.width(), t.height()}).get(),
						  -asAngle(direction) * 180 / Pi,
						  nullptr,
						  SDL_FLIP_NONE)) {
		throw std::runtime_error(fmt::format("SDL_RenderCopy() failed: {}", SDL_GetError()));
	}
}

void RenderWindow::present() const noexcept {
	SDL_RenderPresent(renderer);
}

void RenderWindow::clear(const Color& c) const {
	if (SDL_SetRenderDrawColor(renderer, c.r, c.g, c.b, c.a)) {
		throw std::runtime_error(
			fmt::format("SDL_SetRenderDrawColor() failed: {}", SDL_GetError()));
	}
	if (SDL_RenderClear(renderer)) {
		throw std::runtime_error(fmt::format("SDL_RenderClear() failed: {}", SDL_GetError()));
	}
}

int RenderWindow::width() const noexcept {
	return w;
}

int RenderWindow::height() const noexcept {
	return h;
}

#endif