// =====================================================================================================================
//  fennec, a free and open source game engine
//  Copyright © 2025  Medusa Slockbower
//
//  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.
//
//  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/>.
// =====================================================================================================================

#ifndef FENNEC_PLATFORM_INTERFACE_DISPLAY_H
#define FENNEC_PLATFORM_INTERFACE_DISPLAY_H

#include <fennec/langproc/strings/string.h>
#include <fennec/lang/types.h>
#include <fennec/lang/typeuuid.h>
#include <fennec/platform/interface/fwd.h>

namespace fennec
{

class display
{
public:
	struct pixel_format {
		uint8_t depth;
		uint8_t r, g, b;
	};

	struct config {
		pixel_format format;
	};

	virtual bool connected() const = 0;
	virtual ~display();

	virtual window* create_window() = 0;

	const pixel_format& get_color_format() const {
		return _config.format;
	}

	virtual void select_context();
	virtual void* get_native_handle() = 0;

	platform*   get_platform() { return _platform; }
	gfxcontext* get_context()  { return _context; }

	const string name;
	const uint64_t uuid;

protected:
	platform*   _platform;
	gfxcontext* _context;
	config      _config;

	template<typename DisplayT>
	explicit display(platform* platform, const cstring& name, DisplayT*)
		: name(name)
		, uuid(typeuuid<DisplayT>())
		, _platform(platform)
		, _context(nullptr)
		, _config {
			.format = {
				.depth = 24,
				.r = 8,
				.g = 8,
				.b = 8,
			}
		} {
	}
};

}

#endif // FENNEC_PLATFORM_INTERFACE_DISPLAY_H
