#ifndef PGSERVEROBJECT_H
#define PGSERVEROBJECT_H

#include <QString>
#include "PgObject.h"
#include "Pgsql_Value.h"
#include <vector>


enum class Privilege {
	Select,
	Update,
	Insert,
	Delete,
	Truncate,
	References,
	Trigger,
	Execute,
	Usage,
	Create,
	Connect,
	Temporary
};

char privilegeToChar(Privilege p);

enum class PrivValue {
	No, Yes, YesWithGrant
};

class PgAcl {
public:
	PgAcl() = default;
	explicit PgAcl(const QString &acl);
	void setFromString(const QString &acl);

	PrivValue privilege(Privilege priv) const;
	PrivValue privilege(char c) const;
	const QString& grantee() const { return m_grantee; }
	const QString& grantor() const { return m_grantor; }
	QString singleString() const;
private:
	QString m_grantee;
	QString m_grantor;
	QString m_privileges;
};

using AclList = std::vector<PgAcl>;

void operator<<(PgAcl &acl, const Pgsql::Value &v);

namespace Pgsql {
	template <>
	PgAcl StringToArrayElem<PgAcl>(std::string_view sv);
}

/// Base object for objects that belong to a server
class PgServerObject: public PgObject {
public:
	using PgObject::PgObject;



	/**
	 * @brief setAcls Takes the acl array as stored by postgres as a single string
	 *     and decodes it directly into an AclList.
	 * @param acls
	 *
	 */
	void setAcls(AclList acls);
	QString aclString() const;
	/**
	 * @brief grantSql
	 * @param all_pattern Used to recognize when a GRANT ALL can be generated but also to not consider irrelevant letters.
	 * @param grantee
	 * @param column
	 * @return
	 */
	QString grantSql(const QString &all_pattern, const QString &grantee, const QString &column) const;

private:
	AclList m_acls;
};

#endif // PGSERVEROBJECT_H