#ifndef SQLITESEARCH_H
#define SQLITESEARCH_H
#include <QSqlDatabase>
#include <QPair>
#include "searchresult.h"

class SqliteSearch
{
	class Token
	{
	  public:
		QString key;
		QString value;

		Token(QString key = "", QString value = "")
		{
			this->key = key;
			this->value = value;
		}
	};

  public:
	SqliteSearch(QSqlDatabase &db);
	QVector<SearchResult> search(const QString &query);
	static bool checkParanthesis(QString expression);

  private:
	QSqlDatabase *db;
	QVector<Token> tokenize(QString expression);
	QSqlQuery makeSqlQuery(const QVector<Token> &tokens);
	QString fieldToColumn(QString col);
	QPair<QString, QVector<QString>> createSql(const Token &token);
	QString createSortSql(const SqliteSearch::Token &token);
};

#endif // SQLITESEARCH_H