/*
 * Copyright 2016 - 2022 Gary Talent (gary@drinkingtea.net). All rights reserved.
 */

#pragma once

#include <ox/model/def.hpp>

#include <nostalgia/geo/bounds.hpp>
#include <nostalgia/geo/vec.hpp>
#include <nostalgia/core/gfx.hpp>
#include <nostalgia/glutils/glutils.hpp>
#include <nostalgia/studio/studio.hpp>

#include "tilesheetpixelgrid.hpp"
#include "tilesheetpixels.hpp"
#include "tilesheeteditor.hpp"

namespace nostalgia::core {

class TileSheetEditorImGui: public studio::Editor {

	private:
		ox::String m_itemPath;
		ox::String m_itemName;
		glutils::FrameBuffer m_framebuffer;
		TileSheetEditor m_tileSheetEditor;
		float m_palViewWidth = 200;
		geo::Vec2 m_prevMouseDownPos;

	public:
		TileSheetEditorImGui(Context *ctx, const ox::String &path);

		~TileSheetEditorImGui() override = default;

		ox::String itemName() const noexcept override;

		ox::String itemDisplayName() const noexcept override;

		void exportFile() override;

		void cut() override;

		void copy() override;

		void paste() override;

		void draw(core::Context*) noexcept override;

		studio::UndoStack *undoStack() noexcept final;

	protected:
		void saveItem() override;

	private:
		void setPalette();

		void saveState();

		void restoreState();

		[[nodiscard]]
		ox::String paletteName(const ox::String &palettePath) const;

		[[nodiscard]]
		ox::String palettePath(const ox::String &palettePath) const;

		void drawTileSheet(const geo::Vec2 &fbSize) noexcept;

		void drawPalettePicker() noexcept;

	// slots
	public:
		ox::Error colorSelected() noexcept;

		ox::Error setColorTable() noexcept;

	// slots
	private:
		ox::Error updateAfterClicked() noexcept;

};

}