/*
 * Copyright (C) 2020  <Kevin Whitakerr> <eyecreate@eyecreate.org>
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include "jsonio.h"
#include <qfile.h>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QSqlRecord>
#include <QSqlQuery>
#include <QUrl>

JsonIO::JsonIO(SqlVehicle* vehicles, SqlServiceRecord* records, QObject* parent)
{
    this->vehicles = vehicles;
    this->records = records;
}

bool JsonIO::importCarfaxJsonToDB(QString fileLocation)
{
    QFile file(QUrl(fileLocation).toLocalFile());
    file.open(QIODevice::ReadOnly);
    QString jsonContent;
    jsonContent = file.readAll();
    file.close();
    QJsonDocument doc = QJsonDocument::fromJson(jsonContent.toUtf8());
    QJsonObject root = doc.object();
    if(root.contains("vehicle")) {
        QJsonObject vehicle = root["vehicle"].toObject();
        QString make = vehicle["make"].toString();
        QString model = vehicle["model"].toString();
        QString year = vehicle["year"].toString();
        QString name = vehicle["nickname"].toString(make+" "+model);
        QString vin = vehicle["vin"].toString();
        this->vehicles->addNewVehicle(name, make, model, year.toInt(), nullptr, vin); //TODO: image source?
        int vehicleId = vehicles->query().lastInsertId().toInt();
        if(vehicle.contains("serviceRecords")) {
            QJsonArray records = vehicle["serviceRecords"].toArray();
            foreach(const QJsonValue & record,records) {
                QJsonObject recordObj = record.toObject();
                QString date = recordObj["date"].toString();
                int miles = recordObj["odometer"].toString().replace(",","").toInt();
                QString serviceProvider = recordObj["source"].toArray()[0].toObject()["text"].toString();
                QString notes = recordObj["comments"].toString("");
                QJsonArray details = recordObj["details"].toArray();
                foreach(const QJsonValue & detail, details) {
                    QString service = detail.toObject()["text"].toString();
                    int serviceType = -1;
                    //Detect some common types
                    if(service == "Tires rotated") serviceType = 3;
                    if(service == "Oil and filter changed") serviceType = 0;
                    this->records->addNewRecord(vehicleId, serviceProvider, serviceType, service, date, miles, notes);
                }
            }
            return true;
        }
    }
    return false;
}