#ifndef IMGUI_SPRITE_VIEWER_HH

#define IMGUI_SPRITE_VIEWER_HH

#include "ImGuiPart.hh"

#include "GLUtil.hh"

#include "gl_vec.hh"

#include <string>

namespace openmsx {

class ImGuiSpriteViewer final : public ImGuiPart

{

public:

	ImGuiSpriteViewer(ImGuiManager& manager_, size_t index);

	[[nodiscard]] zstring_view iniName() const override { return title; }

	void save(ImGuiTextBuffer& buf) override;

	void loadLine(std::string_view name, zstring_view value) override;

	void paint(MSXMotherBoard* motherBoard) override;

public:

	bool show = true;

private:

	std::string title;

	bool overrideAll    = false;

	bool overrideMode   = false;

	bool overrideSize   = false;

	bool overrideMag    = false;

	bool overrideTrans  = false;

	bool overridePat    = false;

	bool overrideAtt    = false;

	bool overrideScroll = false;

	bool overrideLines  = false;

	int manualMode = 1;

	int manualSize = 8;

	int manualMag = 0;

	int manualTransparent = 0;

	int manualPatBase = 0;

	int manualAttBase = 0;

	int manualVerticalScroll = 0;

	int manualLines = 0; // 0->192, 1->212, 2->256

	int zoom = 0; // 0->1x, 1->2x, ..., 7->8x

	int checkerBoardSize = 4;

	int boundingBoxOnAll = 0;

	gl::vec4 gridColor{0.5f, 0.5f, 0.5f, 0.5f}; // RGBA

	gl::vec4 checkerBoardColor1{0.2f, 0.2f, 0.2f, 0.8f}; // RGBA

	gl::vec4 checkerBoardColor2{0.4f, 0.4f, 0.4f, 0.8f}; // RGBA

	gl::vec4 boundingBoxColor  {1.0f, 0.0f, 0.0f, 0.8f}; // RGBA

	bool grid = true;

	bool drawBoundingBox = true;

	bool enableLimitPerLine = true;

	bool enableStopY = true;

	gl::Texture patternTex {gl::Null{}}; // TODO also deallocate when needed

	gl::Texture gridTex    {gl::Null{}};

	gl::Texture zoomGridTex{gl::Null{}};

	gl::Texture checkerTex {gl::Null{}};

	gl::Texture renderTex  {gl::Null{}};

	gl::vecN<2, int> gridPosition;

	static constexpr auto validSizes = {8, 16};

	static constexpr auto persistentElements = std::tuple{

		PersistentElement{"show",                &ImGuiSpriteViewer::show},

		PersistentElement{"overrideAll",         &ImGuiSpriteViewer::overrideAll},

		PersistentElement{"overrideMode",        &ImGuiSpriteViewer::overrideMode},

		PersistentElement{"overrideSize",        &ImGuiSpriteViewer::overrideSize},

		PersistentElement{"overrideMag",         &ImGuiSpriteViewer::overrideMag},

		PersistentElement{"overrideTrans",       &ImGuiSpriteViewer::overrideTrans},

		PersistentElement{"overridePat",         &ImGuiSpriteViewer::overridePat},

		PersistentElement{"overrideAtt",         &ImGuiSpriteViewer::overrideAtt},

		PersistentElement{"overrideScroll",      &ImGuiSpriteViewer::overrideScroll},

		PersistentElement{"overrideLines",       &ImGuiSpriteViewer::overrideLines},

		PersistentElementMinMax{"mode",          &ImGuiSpriteViewer::manualMode, 1, 3}, // 1 or 2

		PersistentElementEnum{"size",            &ImGuiSpriteViewer::manualSize, validSizes},

		PersistentElementMax{"mag",              &ImGuiSpriteViewer::manualMag, 2},

		PersistentElementMax{"transparent",      &ImGuiSpriteViewer::manualTransparent, 2},

		PersistentElementMax{"patBase",          &ImGuiSpriteViewer::manualPatBase, 0x20000},

		PersistentElementMax{"attBase",          &ImGuiSpriteViewer::manualAttBase, 0x20000},

		PersistentElementMax{"verticalScroll",   &ImGuiSpriteViewer::manualVerticalScroll, 256},

		PersistentElementMax{"lines",            &ImGuiSpriteViewer::manualLines, 3},

		PersistentElementMax{"zoom",             &ImGuiSpriteViewer::zoom, 8},

		PersistentElement{"showGrid",            &ImGuiSpriteViewer::grid},

		PersistentElementMax{"checkerBoardSize", &ImGuiSpriteViewer::checkerBoardSize, 256},

		PersistentElementMax{"boundingBoxOnAll", &ImGuiSpriteViewer::boundingBoxOnAll, 2},

		PersistentElement{"gridColor",           &ImGuiSpriteViewer::gridColor},

		PersistentElement{"checkerBoardColor1",  &ImGuiSpriteViewer::checkerBoardColor1},

		PersistentElement{"checkerBoardColor2",  &ImGuiSpriteViewer::checkerBoardColor2},

		PersistentElement{"boundingBox",         &ImGuiSpriteViewer::drawBoundingBox},

		PersistentElement{"boundingBoxColor",    &ImGuiSpriteViewer::boundingBoxColor},

		PersistentElement{"spritesPerLineLimit", &ImGuiSpriteViewer::enableLimitPerLine},

		PersistentElement{"stopY",               &ImGuiSpriteViewer::enableStopY}

	};

};

} // namespace openmsx

#endif