#pragma once

#include "fontbuilder.hpp"

#include <qfont.h>
#include <qobject.h>
#include <qqmlintegration.h>
#include <qvariantmap.h>

namespace ZShell::config {

class AppearanceFont;
class FontBuilders;
class FontStyleBase;
class FontSizeNode;
class FontStyleNode;
class IconFontStyle;

class FontBuilders : public QObject {
	Q_OBJECT
	QML_ANONYMOUS

	Q_PROPERTY(
		ZShell::config::FontBuilder large READ large NOTIFY buildersChanged
			FINAL)
	Q_PROPERTY(
		ZShell::config::FontBuilder medium READ medium NOTIFY buildersChanged
			FINAL)
	Q_PROPERTY(
		ZShell::config::FontBuilder small READ small NOTIFY buildersChanged
			FINAL)

	public:
	explicit FontBuilders(const FontStyleBase* style, QObject* parent = nullptr);

	[[nodiscard]] FontBuilder large() const;
	[[nodiscard]] FontBuilder medium() const;
	[[nodiscard]] FontBuilder small() const;

	signals:
	void buildersChanged();

	protected:
	const FontStyleBase* m_style;
};

class IconFontBuilders : public FontBuilders {
	Q_OBJECT
	QML_ANONYMOUS

	Q_PROPERTY(
		ZShell::config::FontBuilder extraLarge READ extraLarge NOTIFY
			buildersChanged FINAL)

	public:
	explicit IconFontBuilders(
		const IconFontStyle* style, QObject* parent = nullptr);

	[[nodiscard]] FontBuilder extraLarge() const;
};

class FontStyleBase : public QObject {
	Q_OBJECT

	Q_PROPERTY(QFont large READ large NOTIFY fontsChanged FINAL)
	Q_PROPERTY(QFont medium READ medium NOTIFY fontsChanged FINAL)
	Q_PROPERTY(QFont small READ small NOTIFY fontsChanged FINAL)

	public:
	explicit FontStyleBase(QObject* parent = nullptr);

	virtual void bind(FontStyleNode* cfg);
	void setScale(qreal scale);

	[[nodiscard]] QFont large() const;
	[[nodiscard]] QFont medium() const;
	[[nodiscard]] QFont small() const;

	signals:
	void fontsChanged();

	protected:
	virtual void rebuild();

	static QFont buildFont(
		const FontSizeNode* cfg, const QString& fallbackFamily, qreal scale);

	FontStyleNode* m_cfg = nullptr;
	qreal m_scale = 1;
	QFont m_large;
	QFont m_medium;
	QFont m_small;
};

class FontStyle : public FontStyleBase {
	Q_OBJECT
	QML_ANONYMOUS

	Q_PROPERTY(FontBuilders* builders READ builders CONSTANT FINAL)

	public:
	explicit FontStyle(QObject* parent = nullptr);

	[[nodiscard]] FontBuilders* builders() const;

	private:
	FontBuilders* m_builders;
};

class IconFontStyle : public FontStyleBase {
	Q_OBJECT
	QML_ANONYMOUS

	Q_PROPERTY(QFont extraLarge READ extraLarge NOTIFY fontsChanged FINAL)
	Q_PROPERTY(IconFontBuilders* builders READ builders CONSTANT FINAL)

	public:
	explicit IconFontStyle(QObject* parent = nullptr);

	Q_INVOKABLE FontBuilder size(int pointSize);
	Q_INVOKABLE FontBuilder pixelSize(int pixelSize);

	void bind(FontStyleNode* cfg) override;

	[[nodiscard]] QFont extraLarge() const;
	[[nodiscard]] IconFontBuilders* builders() const;

	protected:
	void rebuild() override;

	private:
	QFont m_extraLarge;
	IconFontBuilders* m_builders;
};

class FontTokens : public QObject {
	Q_OBJECT
	QML_ANONYMOUS

	Q_PROPERTY(FontStyle* headline READ headline CONSTANT FINAL)
	Q_PROPERTY(FontStyle* title READ title CONSTANT FINAL)
	Q_PROPERTY(FontStyle* body READ body CONSTANT FINAL)
	Q_PROPERTY(FontStyle* label READ label CONSTANT FINAL)
	Q_PROPERTY(FontStyle* mono READ mono CONSTANT FINAL)
	Q_PROPERTY(IconFontStyle* icon READ icon CONSTANT FINAL)
	Q_PROPERTY(
		ZShell::config::FontBuilder clock READ clock NOTIFY clockChanged FINAL)
	Q_PROPERTY(QString workspaces READ workspaces NOTIFY workspacesChanged FINAL)

	public:
	explicit FontTokens(QObject* parent = nullptr);

	void bindFont(AppearanceFont* font);

	[[nodiscard]] FontStyle* headline() const;
	[[nodiscard]] FontStyle* title() const;
	[[nodiscard]] FontStyle* body() const;
	[[nodiscard]] FontStyle* label() const;
	[[nodiscard]] FontStyle* mono() const;
	[[nodiscard]] IconFontStyle* icon() const;
	[[nodiscard]] FontBuilder clock() const;
	[[nodiscard]] QString workspaces() const;

	signals:
	void clockChanged();
	void workspacesChanged();

	private:
	void rebuildClock();
	void rebuildScale();

	AppearanceFont* m_font = nullptr;
	FontStyle* m_headline;
	FontStyle* m_title;
	FontStyle* m_body;
	FontStyle* m_label;
	FontStyle* m_mono;
	IconFontStyle* m_icon;
	QFont m_clock;
};

} // namespace ZShell::config