/*
	(c) Copyright  2012 - 2018 Anton Sviridenko
	https://picapica.im

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, version 3.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
#include "contacts.h"


//#include <QMessageBox>

Contacts::Contacts(QString storage, QByteArray user_account_id)
	: account_id_(user_account_id)
{
	dbconn = QSqlDatabase::database();
	dbconn.setDatabaseName(storage);

	if (!dbconn.open())
	{
		lasterr = dbconn.lastError();
		return;
	}

//check if table contacts exists
//...

	QSqlQuery query;

	query.exec("PRAGMA foreign_keys=ON;");

	//check result, if foreign keys support is on
}

bool Contacts::isOK()
{
	return  !lasterr.isValid();
}

QString Contacts::GetLastError()
{
	return lasterr.text();
}

bool Contacts::Exists(QByteArray id)
{
	QSqlQuery query;

	query.setForwardOnly(true);
	query.prepare("select count(*) from contacts where account_id=:account_id and id=:id");
	query.bindValue(":account_id", account_id_);
	query.bindValue(":id", id);
	query.exec();
	lasterr = query.lastError();

	query.next();
	if (query.value(0).toInt() == 1)
		return true;

	return false;
}

void Contacts::Add(QByteArray id, ContactType type)
{
	QSqlQuery query;

	if (!Exists(id))
	{
		query.prepare("insert into contacts (id, name, cert_pem, account_id, type) values (:id, NULL, NULL, :account_id, :type)");
		query.bindValue(":id", id);
		query.bindValue(":account_id", account_id_);
		query.bindValue(":type", type);
		query.exec();
	}
	else
	{
		query.prepare("update contacts set type=:type where id=:id and account_id=:account_id");
		query.bindValue(":type", type);
		query.bindValue(":id", id);
		query.bindValue(":account_id", account_id_);
		query.exec();
	}

	lasterr = query.lastError();
}

void Contacts::Delete(QByteArray id)
{
	QSqlQuery query;

	query.prepare("delete from contacts where id=:id and account_id=:account_id");
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();
}

QList<Contacts::ContactRecord> Contacts::GetContacts(ContactType type)
{
	QList<ContactRecord> L;
	ContactRecord r;
	QSqlQuery query;

	query.setForwardOnly(true);
	query.prepare("select id, name from contacts where account_id=:account_id and type=:type");
	query.bindValue(":account_id", account_id_);
	query.bindValue(":type", type);
	query.exec();
	lasterr = query.lastError();

	if (lasterr.isValid())
		return L;

	while(query.next())
	{
		r.id = query.value(0).toByteArray();
		r.name = query.value(1).toString();
		r.type = type;
		//CSTRL.append(" ("+query.value(0).toString()+") "+query.value(1).toString());
		L << r;
	}

	return L;
}

QString Contacts::GetContactCert(QByteArray id)
{
	QSqlQuery query;

	query.prepare("select cert_pem from contacts where id=:id and account_id=:account_id");
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();

	if (lasterr.isValid())
		return QString::null;

	query.next();

	return query.value(0).toString();
}

QString Contacts::GetContactName(QByteArray id)
{
	QSqlQuery query;

	query.prepare("select name from contacts where id=:id and account_id=:account_id");
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();

	if (lasterr.isValid())
		return QString::null;

	query.next();

	return query.value(0).toString();
}

void Contacts::SetContactCert(QByteArray id, QString &cert_pem)
{
	QSqlQuery query;

	query.prepare("update contacts set cert_pem=:cert_pem where id=:id and account_id=:account_id");
	query.bindValue(":cert_pem", cert_pem);
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();

}

void Contacts::SetContactName(QByteArray id, QString name)
{
	QSqlQuery query;

	query.prepare("update contacts set name=:name where id=:id and account_id=:account_id");
	query.bindValue(":name", name);
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();
}

void Contacts::SetContactType(QByteArray id, ContactType type)
{
	QSqlQuery query;

	query.prepare("update contacts set type=:type where id=:id and account_id=:account_id");
	query.bindValue(":type", type);
	query.bindValue(":id", id);
	query.bindValue(":account_id", account_id_);
	query.exec();

	lasterr = query.lastError();
}