#ifndef QUERYTAB_H
#define QUERYTAB_H

#include "asyncdbconnection.h"
#include "ParamListModel.h"
#include "ParamTypeDelegate.h"
#include "queryresultmodel.h"
#include "queryexplainmodel.h"
#include "stopwatch.h"
#include "tuplesresultwidget.h"

#include <QWidget>
#include <memory>

namespace Ui {
	class QueryTab;
}

class QTabWidget;
class MainWindow;
class SqlHighlighter;
class ExplainRoot;
class QueryResultModel;
class QueryExplainModel;
class PgTypeContainer;


class QueryTab : public QWidget
{
	Q_OBJECT

public:
	QueryTab(MainWindow *win, QWidget *parent = 0);
	~QueryTab();

	void setConfig(const ConnectionConfig &config);

	void newdoc();
//	void open();
	bool load(const QString &filename);
	void save();
	void saveAs();
	void saveCopyAs();

	void execute();
	void explain(bool analyze);
	void cancel();

	bool canClose();

	void copyQueryAsCString();
private:

//	struct ResultTab {
//	public:
//		std::shared_ptr<QueryResultModel> resultModel;
//		std::shared_ptr<TuplesResultWidget> tuplesResult;
////		ResultTab(std::shared_ptr<QueryResultModel> rm, Ui::TuplesResult *tr)
////			: resultModel(rm), tuplesResult(tr)
////		{}
//	};
	using ResultTabContainer = std::vector<TuplesResultWidget*>;

	Ui::QueryTab *ui;
	MainWindow *m_win;
	std::unique_ptr<SqlHighlighter> highlighter;
	ConnectionConfig m_config;
	StopWatch m_stopwatch;
	ParamListModel m_paramList;
	ParamTypeDelegate m_typeDelegate;

	QString m_fileName; ///< use setFileName function to set
	bool m_queryTextChanged = false;

	void setFileName(const QString &filename);
	bool continueWithoutSavingWarning();
	bool saveSqlTo(const QString &filename);
	QString promptUserForSaveSqlFilename();




	ASyncDBConnection m_dbConnection;

	std::unique_ptr<QueryExplainModel> explainModel;
	ResultTabContainer resultList;

	void addLog(QString s);

	std::string getCommand() const;
	void explain_ready(ExplainRoot::SPtr explain);
	void query_ready(std::shared_ptr<Pgsql::Result> dbres, qint64 elapsedms);

	QTabWidget *getTabWidget();
	void setTabCaption(const QString &caption, const QString &tooltip);
	void clearResult();

private slots:

	void queryTextChanged();
	void connectionStateChanged(ASyncDBConnection::State state);
	void receiveNotice(Pgsql::ErrorDetails notice);

	void startConnect();
};

#endif // QUERYTAB_H