#include "LVGLProperty.h"

#include "LVGLCore.h"

#include <QComboBox>
#include <QLineEdit>
#include <QSpinBox>
#include <QDebug>

#include "LVGLObject.h"

LVGLProperty::LVGLProperty(LVGLProperty *parent)
	: m_parent(parent)
{
}

LVGLProperty::~LVGLProperty()
{
	qDeleteAll(m_childs);
}

bool LVGLProperty::hasEditor() const
{
	return false;
}

QWidget *LVGLProperty::editor(QWidget *parent)
{
	(void)parent;
	return nullptr;
}

void LVGLProperty::updateEditor(LVGLObject *obj)
{
	(void)obj;
}

void LVGLProperty::updateWidget(LVGLObject *obj)
{
	(void)obj;
}

QVariant LVGLProperty::defaultValue() const
{
	return QVariant();
}

QVariant LVGLProperty::value(LVGLObject *obj) const
{
	(void)obj;
	return QVariant();
}

void LVGLProperty::setValue(LVGLObject *obj, QVariant value)
{
	(void)obj;
	(void)value;
}

QJsonValue LVGLProperty::toJson(LVGLObject *obj) const
{
	return QJsonValue::fromVariant(value(obj));
}

const LVGLProperty *LVGLProperty::parent() const
{
	return m_parent;
}

int LVGLProperty::count() const
{
	return m_childs.size();
}

const LVGLProperty *LVGLProperty::child(int index) const
{
	return m_childs.at(index);
}

int LVGLProperty::row() const
{
	return m_parent?m_parent->indexOf(this):0;
}

int LVGLProperty::indexOf(const LVGLProperty *item) const
{
	return m_childs.indexOf(item);
}

QStringList LVGLProperty::function(LVGLObject *obj) const
{
	Q_UNUSED(obj)
	return QStringList();
}

LVGLPropertyEnum::LVGLPropertyEnum(QStringList enumText, LVGLProperty *parent)
	: LVGLProperty(parent)
	, m_enum(enumText)
	, m_widget(nullptr)
{
}

QVariant LVGLPropertyEnum::value(LVGLObject *obj) const
{
	const int index = get(obj);
	Q_ASSERT(index < m_enum.size());
	return m_enum.at(index);
}

void LVGLPropertyEnum::setValue(LVGLObject *obj, QVariant value)
{
	Q_ASSERT(m_enum.indexOf(value.toString()) >= 0);
	set(obj, m_enum.indexOf(value.toString()));
}

bool LVGLPropertyEnum::hasEditor() const
{
	return true;
}

QWidget *LVGLPropertyEnum::editor(QWidget *parent)
{
	m_widget = new QComboBox(parent);
	m_widget->addItems(m_enum);
	return m_widget;
}

void LVGLPropertyEnum::updateEditor(LVGLObject *obj)
{
	m_widget->setCurrentIndex(get(obj));
}

void LVGLPropertyEnum::updateWidget(LVGLObject *obj)
{
	set(obj, m_widget->currentIndex());
}

LVGLPropertyCoord::LVGLPropertyCoord(LVGLProperty *parent)
	: LVGLPropertyType(parent)
	, m_max(std::min(lvgl.width(), lvgl.height()))
{
}

LVGLPropertyCoord::LVGLPropertyCoord(Qt::Orientation orientation, LVGLProperty *parent)
	: LVGLPropertyType(parent)
	, m_max(orientation == Qt::Horizontal ? lvgl.width() : lvgl.height())
{
}

QWidget *LVGLPropertyCoord::editor(QWidget *parent)
{
	m_widget = new QSpinBox(parent);
	m_widget->setRange(0, m_max);
	return m_widget;
}

void LVGLPropertyCoord::updateEditor(LVGLObject *obj)
{
	m_widget->setValue(static_cast<int>(get(obj)));
}

void LVGLPropertyCoord::updateWidget(LVGLObject *obj)
{
	set(obj, static_cast<lv_coord_t>(m_widget->value()));
}

LVGLPropertyInt::LVGLPropertyInt(int min, int max, LVGLProperty *parent)
	: LVGLPropertyType(parent), m_min(min), m_max(max)
{
}

LVGLPropertyInt::LVGLPropertyInt(int min, int max, QString surfix, LVGLProperty *parent)
	: LVGLPropertyType(parent), m_min(min), m_max(max), m_surfix(surfix)
{
}

QWidget *LVGLPropertyInt::editor(QWidget *parent)
{
	m_widget = new QSpinBox(parent);
	m_widget->setRange(m_min, m_max);
	m_widget->setSuffix(m_surfix);
	return m_widget;
}

void LVGLPropertyInt::updateEditor(LVGLObject *obj)
{
	m_widget->setValue(get(obj));
}

void LVGLPropertyInt::updateWidget(LVGLObject *obj)
{
	set(obj, static_cast<lv_coord_t>(m_widget->value()));
}

LVGLPropertyFont::LVGLPropertyFont(LVGLProperty *parent)
	: LVGLProperty(parent)
{
}

QVariant LVGLPropertyFont::value(LVGLObject *obj) const
{
	const int index = lvgl.indexOfFont(get(obj));
	return lvgl.fontNames().at(index);
}

void LVGLPropertyFont::setValue(LVGLObject *obj, QVariant value)
{
	const int index = lvgl.fontNames().indexOf(value.toString());
	set(obj, lvgl.font(index));
}

bool LVGLPropertyFont::hasEditor() const
{
	return true;
}

QWidget *LVGLPropertyFont::editor(QWidget *parent)
{
	m_widget = new QComboBox(parent);
	m_widget->addItems(lvgl.fontNames());
	return m_widget;
}

void LVGLPropertyFont::updateEditor(LVGLObject *obj)
{
	m_widget->setCurrentIndex(lvgl.indexOfFont(get(obj)));
}

void LVGLPropertyFont::updateWidget(LVGLObject *obj)
{
	set(obj, lvgl.font(m_widget->currentIndex()));
}

template<class T>
LVGLPropertyValT<T>::LVGLPropertyValT(T min, T max, QString title, QString functionName, std::function<void (lv_obj_t *, T)> setter, std::function<T (lv_obj_t *)> getter, LVGLProperty *parent)
	: LVGLPropertyType<T>(parent)
	, m_widget(nullptr)
	, m_min(min), m_max(max), m_title(title)
	, m_functionName(functionName), m_setter(setter)
	, m_getter(getter)
{
}

template<class T>
QWidget *LVGLPropertyValT<T>::editor(QWidget *parent)
{
	m_widget = new QSpinBox(parent);
	m_widget->setRange(m_min, m_max);
	return m_widget;
}

template<class T>
void LVGLPropertyValT<T>::updateEditor(LVGLObject *obj)
{
	m_widget->setValue(static_cast<int>(get(obj)));
}

template<class T>
void LVGLPropertyValT<T>::updateWidget(LVGLObject *obj)
{
	set(obj, static_cast<T>(m_widget->value()));
}

template<class T>
QString LVGLPropertyValT<T>::name() const
{
	return m_title;
}

template<class T>
QStringList LVGLPropertyValT<T>::function(LVGLObject *obj) const
{
	if (m_functionName.isEmpty())
		return {};
	return { QString("%1(%2, %3);").arg(m_functionName).arg(obj->codeName()).arg(get(obj)) };
}

template<class T>
T LVGLPropertyValT<T>::get(LVGLObject *obj) const
{
	return m_getter(obj->obj());
}

template<class T>
void LVGLPropertyValT<T>::set(LVGLObject *obj, T value)
{
	try {
		m_setter(obj->obj(), value);
	} catch (std::exception e) {
		qDebug() << "Error:" << e.what();
	}
}

LVGLPropertyValInt16::LVGLPropertyValInt16(int16_t min, int16_t max, QString title, QString functionName, std::function<void (lv_obj_t *, int16_t)> setter, std::function<int16_t (lv_obj_t *)> getter, LVGLProperty *parent)
	: LVGLPropertyValT<int16_t>(min, max, title, functionName, setter, getter, parent)
{
}

LVGLPropertyValUInt16::LVGLPropertyValUInt16(uint16_t min, uint16_t max, QString title, QString functionName, std::function<void (lv_obj_t *, uint16_t)> setter, std::function<uint16_t (lv_obj_t *)> getter, LVGLProperty *parent)
	: LVGLPropertyValT<uint16_t>(min, max, title, functionName, setter, getter, parent)
{
}

LVGLPropertyBool::LVGLPropertyBool(QString title, QString functionName, LVGLProperty *parent)
	: LVGLPropertyType<bool>(parent)
	, m_widget(nullptr)
	, m_title(title)
	, m_functionName(functionName)
{
}

LVGLPropertyBool::LVGLPropertyBool(QString title, QString functionName, std::function<void (lv_obj_t *, bool)> setter, std::function<bool (lv_obj_t *)> getter, LVGLProperty *parent)
	: LVGLPropertyType<bool>(parent)
	, m_widget(nullptr)
	, m_title(title)
	, m_functionName(functionName)
	, m_setter(setter)
	, m_getter(getter)
{
}

QWidget *LVGLPropertyBool::editor(QWidget *parent)
{
	m_widget = new QComboBox(parent);
	m_widget->addItems(QStringList() << "true" << "false");
	return m_widget;
}

void LVGLPropertyBool::updateEditor(LVGLObject *obj)
{
	m_widget->setCurrentIndex(get(obj) ? 0 : 1);
}

void LVGLPropertyBool::updateWidget(LVGLObject *obj)
{
	set(obj, m_widget->currentIndex() == 0);
}

QString LVGLPropertyBool::name() const
{
	return m_title;
}

QStringList LVGLPropertyBool::function(LVGLObject *obj) const
{
	if (m_functionName.isEmpty())
		return {};
	return { QString("%1(%2, %3);").arg(m_functionName).arg(obj->codeName()).arg(get(obj) ? "true" : "false") };
}

bool LVGLPropertyBool::get(LVGLObject *obj) const
{
	return m_getter(obj->obj());
}

void LVGLPropertyBool::set(LVGLObject *obj, bool boolean)
{
	m_setter(obj->obj(), boolean);
}

LVGLPropertyString::LVGLPropertyString(QString title, QString functionName, LVGLProperty *parent)
	: LVGLPropertyType<QString>(parent)
	, m_widget(nullptr)
	, m_title(title)
	, m_functionName(functionName)
{
}

LVGLPropertyString::LVGLPropertyString(QString title, QString functionName, std::function<void (lv_obj_t *, const char *)> setter, std::function<const char*(lv_obj_t *)> getter, LVGLProperty *parent)
	: LVGLPropertyType<QString>(parent)
	, m_widget(nullptr)
	, m_title(title)
	, m_functionName(functionName)
	, m_setter(setter)
	, m_getter(getter)
{
}

QString LVGLPropertyString::name() const
{
	return m_title;
}

QWidget *LVGLPropertyString::editor(QWidget *parent)
{
	m_widget = new QLineEdit(parent);
	return m_widget;
}

void LVGLPropertyString::updateEditor(LVGLObject *obj)
{
	m_widget->setText(get(obj));
}

void LVGLPropertyString::updateWidget(LVGLObject *obj)
{
	set(obj, m_widget->text());
}

QStringList LVGLPropertyString::function(LVGLObject *obj) const
{
	if (m_functionName.isEmpty())
		return {};
	return { QString("%1(%2, \"%3\");").arg(m_functionName).arg(obj->codeName()).arg(get(obj)) };
}

QString LVGLPropertyString::get(LVGLObject *obj) const
{
	return m_getter(obj->obj());
}

void LVGLPropertyString::set(LVGLObject *obj, QString string)
{
	m_setter(obj->obj(), qPrintable(string));
}

// needed declartion for gcc, code needs to be refactored
template class LVGLPropertyValT<int16_t>;
template class LVGLPropertyValT<uint16_t>;