#include "SequenceView.h"
#include "TranslateBasic.h"
#include <QSpinBox>
#include <QJsonDocument>
#include <QJsonObject>
#include <QMenu>
#include <QComboBox>
#include <QItemSelectionModel>
//
//using namespace extract;
//using namespace unit_func;
//
//IntDelegate::IntDelegate(int min, int max)
//	: _min_value(min), _max_value(max) {
//}
//
//QWidget* IntDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
//{
//	return new QSpinBox(parent);
//}
//
//void IntDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
//{
//	auto spin = dynamic_cast<QSpinBox*>(editor);
//	spin->setRange(_min_value, _max_value);
//	spin->setValue(index.data(Qt::DisplayRole).toInt());
//}
//
//void IntDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
//{
//	auto value = dynamic_cast<QSpinBox*>(editor);
//	model->setData(index, value->value(), Qt::EditRole);
//}
//
//void IntDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
//{
//	editor->setGeometry(option.rect);
//}
//
//void RuleSetCustom::targetRuleRefresh(const QModelIndex& idx)
//{
//	if (idx.column() == 2) {
//		auto field_idx = idx.sibling(idx.row(), 0);
//		auto field_name = field_idx.data(Qt::DisplayRole).toString();
//
//		auto rule_idx = idx.sibling(idx.row(), 2);
//		auto rule_name = rule_idx.data(Qt::DisplayRole).toString();
//
//		auto rule_nm = _view.base->extractUnitList()[rule_name];
//		auto new_inst = std::dynamic_pointer_cast<ExtractImpl>(rule_nm->newDefault());
//		auto warp = std::shared_ptr<ExtractWrap>();
//		warp->setName(field_name);
//		warp->setDelegate(new_inst);
//		_view._ruleset->replace(idx.row(), warp);
//
//		// 对ListUnit执行特殊初始化步骤
//		if (typeid(*new_inst.get()) == typeid(AsList)) {
//			auto conv = std::dynamic_pointer_cast<AsList>(new_inst);
//			if (!conv->elementRule()) {
//				conv->setElementRule(this->_view.base->defaultExtractUnit());
//			}
//
//			if (!conv->sizeProvider()) {
//				conv->setSizeProvider(this->_view.base->defaultSizeProvider());
//			}
//		}
//	}
//
//	auto rule_insv = (*_view._ruleset)[idx.row()];
//
//	auto offset_index = idx.sibling(idx.row(), 1);
//	auto offset_number = offset_index.data(Qt::DisplayRole).toInt();
//	rule_insv.second->setOffsetSpan(offset_number);
//
//	auto count_index = idx.sibling(idx.row(), 3);
//	_view._seqs_model->setData(offset_index, rule_insv.second->offsetSpan(), Qt::EditRole);
//	_view._seqs_model->setData(count_index, rule_insv.second->countWithin(), Qt::EditRole);
//
//	auto param_index = idx.sibling(idx.row(), 4);
//	QJsonObject obj;
//	rule_insv.second->saveTo(obj);
//	auto bytes = QJsonDocument(obj).toJson(QJsonDocument::Compact);
//	_view._seqs_model->setData(param_index, QString::fromUtf8(bytes));
//
//	this->resizeColumnsToContents();
//}
//
//void RuleSetCustom::showEvent(QShowEvent* e)
//{
//	QTableView::showEvent(e);
//
//	membersPresent(this->_view._ruleset, this->_view._seqs_model);
//}
//
//RuleSetCustom::RuleSetCustom(std::shared_ptr<TranslateBasic> base,
//	std::shared_ptr<extract::AsRuleSet> rule_set, QWidget* p /*= nullptr*/)
//	:QTableView(p)
//{
//	_view._ruleset = rule_set;
//	_view._seqs_model = new QStandardItemModel();
//	_view.base = std::make_shared<TranslateBasic>();
//
//	this->setModel(_view._seqs_model);
//	_view._seqs_model->setHorizontalHeaderLabels(QStringList()
//		<< tr(u8"Field Name") << tr(u8"Bytes Offset") << tr(u8"Translate Rule")
//		<< tr(u8"Bytes Count") << tr(u8"Arguments"));
//
//	auto int_delegate = new IntDelegate(0, INT_MAX);
//	this->setItemDelegateForColumn(1, int_delegate);
//	auto rule_delegate = new RuleSelectDelegate(_view.base);
//	this->setItemDelegateForColumn(2, rule_delegate);
//
//	this->setContextMenuPolicy(Qt::CustomContextMenu);
//	connect(this, &QTableView::customContextMenuRequested, this, &RuleSetCustom::customTranslateRuleEdit);
//	connect(_view._seqs_model, &QAbstractItemModel::dataChanged, this, &RuleSetCustom::targetRuleRefresh);
//
//	connect(this, &QTableView::clicked, [=](const QModelIndex& curr) {
//		if (!curr.isValid())
//			return;
//
//		emit this->currentRuleChanged(_view._ruleset->operator[](curr.row()).second, curr);
//		});
//}
//
//void RuleSetCustom::customTranslateRuleEdit(const QPoint& pos)
//{
//	QMenu immediate;
//	immediate.addAction(u8"Add Unit", this, &RuleSetCustom::addTranslateUnit);
//	immediate.addAction(u8"Remove Unit", this, &RuleSetCustom::removeTranslateUnit);
//	immediate.exec(this->mapToGlobal(pos));
//}
//
//void RuleSetCustom::addTranslateUnit()
//{
//	auto curr_rule = _view.base->defaultExtractUnit()->newDefault();
//	this->_view._ruleset->append(
//		QString(u8"rule_%1").arg(_view._ruleset->memberCount()),
//		std::static_pointer_cast<ExtractImpl>(curr_rule));
//
//	auto hex_rule = std::static_pointer_cast<AsHex>(curr_rule);
//	hex_rule->setCountWithin(1);
//
//	membersPresent(this->_view._ruleset, this->_view._seqs_model);
//}
//
//void RuleSetCustom::removeTranslateUnit()
//{
//	auto idx_curr = this->currentIndex();
//	if (!idx_curr.isValid())
//		return;
//
//	_view._ruleset->removeAt(idx_curr.row());
//	_view._seqs_model->removeRow(idx_curr.row());
//}
//
//void RuleSetCustom::membersPresent(std::shared_ptr<extract::AsRuleSet> ruleset, QStandardItemModel* model)
//{
//	model->removeRows(0, model->rowCount());
//
//	for (auto uidx = 0; uidx < ruleset->memberCount(); ++uidx) {
//		auto u_pair = ruleset->operator[](uidx);
//
//		QList<QStandardItem*> new_row;
//		new_row << new QStandardItem(u_pair.first);
//		new_row << new QStandardItem(QString("%1").arg(u_pair.second->offsetSpan()));
//		new_row << new QStandardItem(_view.base->defaultExtractUnit()->typeAlias());
//		new_row << new QStandardItem(QString("%1").arg(u_pair.second->countWithin()));
//		new_row.last()->setEditable(false);
//
//		QJsonObject  obj;
//		u_pair.second->saveTo(obj);
//		auto bytes = QJsonDocument(obj).toJson(QJsonDocument::Compact);
//		auto json_doc = QString::fromUtf8(bytes);
//		new_row << new QStandardItem(json_doc);
//		new_row.last()->setEditable(false);
//
//		this->_view._seqs_model->appendRow(new_row);
//	}
//
//	this->resizeColumnsToContents();
//}
//