#include "SequencesPage.h"
#include "ResultTableModelUtil.h"
#include "CustomFilterSortModel.h"
#include "CustomDataRole.h"
#include "PgLabItemDelegate.h"
#include "SequenceModel.h"
#include "SqlCodePreview.h"
#include "PgLabTableView.h"

SequencesPage::SequencesPage(QWidget *parent)
{
	m_sequenceTable = new PgLabTableView(this);
	m_definitionView = new SqlCodePreview(this);

	// build widget tree
	// add top level widgets to splitter
	addWidget(m_sequenceTable);
	addWidget(m_definitionView);

	m_model = new SequenceModel(this);
	m_sortFilterProxy = new CustomFilterSortModel(this);
	m_sortFilterProxy->setSourceModel(m_model);
	m_sequenceTable->setModel(m_sortFilterProxy);
	m_sequenceTable->setSortingEnabled(true);
	m_sequenceTable->setSelectionBehavior(QAbstractItemView::SelectRows);

	connect(m_sequenceTable->selectionModel(), &QItemSelectionModel::currentRowChanged, this,
			&SequencesPage::sequenceTable_currentRowChanged);

	retranslateUi();
}

void SequencesPage::retranslateUi()
{
//	auto set_tabtext = [this] (QWidget *widget, QString translation) {
//		m_detailTabs->setTabText(m_detailTabs->indexOf(widget), translation);
//	};

//	set_tabtext(m_definitionView, QApplication::translate("FunctionsPage", "SQL", nullptr));
}

void SequencesPage::setCatalog(std::shared_ptr<const PgDatabaseCatalog> cat)
{
	m_catalog = cat;
	m_model->setCatalog(cat);
}

void SequencesPage::sequenceTable_currentRowChanged(const QModelIndex &current, const QModelIndex &previous)
{
	if (current.row() != previous.row()) {
		if (current.isValid()) {
			auto source_index = m_sortFilterProxy->mapToSource(current);
			auto proc = m_model->sequence(source_index.row());

			selectedSequenceChanged(proc);
		}
		else
			selectedSequenceChanged({});
	}
}

void SequencesPage::selectedSequenceChanged(const std::optional<PgSequence> &seq)
{
	updateSqlTab(seq);
}

void SequencesPage::updateSqlTab(const std::optional<PgSequence> &seq)
{
	if (!seq.has_value()) {
		m_definitionView->clear();
		return;
	}
	QString create_sql = seq->createSql();

	m_definitionView->setPlainText(create_sql);
}