/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later WITH LicenseRef-MeshMC-MMCO-Module-Exception-1.0
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   Copyright (C) 2026 Project Tick
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version, with the additional permission
 *   described in the MeshMC MMCO Module Exception 1.0.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *   You should have received a copy of the MeshMC MMCO Module Exception 1.0
 *   along with this program.  If not, see <https://projecttick.org/licenses/>.
 *
 *  This file incorporates work covered by the following copyright and
 *  permission notice:
 *
 * Copyright 2013-2021 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once
#include <hoedown/html.h>
#include <hoedown/document.h>
#include <QString>
#include <QByteArray>

/**
 * hoedown wrapper, because dealing with resource lifetime in C is stupid
 */
class HoeDown
{
  public:
	class buffer
	{
	  public:
		buffer(size_t unit = 4096)
		{
			buf = hoedown_buffer_new(unit);
		}
		~buffer()
		{
			hoedown_buffer_free(buf);
		}
		const char* cstr()
		{
			return hoedown_buffer_cstr(buf);
		}
		void put(QByteArray input)
		{
			hoedown_buffer_put(buf, (uint8_t*)input.data(), input.size());
		}
		const uint8_t* data() const
		{
			return buf->data;
		}
		size_t size() const
		{
			return buf->size;
		}
		hoedown_buffer* buf;
	} ib, ob;
	HoeDown()
	{
		renderer = hoedown_html_renderer_new((hoedown_html_flags)0, 0);
		document = hoedown_document_new(renderer, (hoedown_extensions)0, 8);
	}
	~HoeDown()
	{
		hoedown_document_free(document);
		hoedown_html_renderer_free(renderer);
	}
	QString process(QByteArray input)
	{
		ib.put(input);
		hoedown_document_render(document, ob.buf, ib.data(), ib.size());
		return ob.cstr();
	}

  private:
	hoedown_document* document;
	hoedown_renderer* renderer;
};
