#ifndef TEMPLATEENGINE_H
#define TEMPLATEENGINE_H

#include <QObject>
#include <QString>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QPrinter>
#include <QPainter>
#include "templatedao.h"

class TemplateEngine : public QObject
{
    Q_OBJECT

public:
    explicit TemplateEngine(QObject *parent = nullptr) : QObject(parent) {}

    static QString exportToPDF(const Template &tpl, const QJsonObject &data);
    static QString exportToXLSX(const Template &tpl, const QJsonObject &data);
    static QString exportToDOCX(const Template &tpl, const QJsonObject &data);

private:
    static void drawJsonElements(QPainter *painter, const QJsonArray &elements, const QJsonObject &data);
    static void drawLabel(QPainter *painter, const QJsonObject &elem, const QJsonObject &data);
    static void drawTable(QPainter *painter, const QJsonObject &elem, const QJsonObject &data);
    static void drawQRCode(QPainter *painter, const QJsonObject &elem, const QJsonObject &data);
    static void drawImage(QPainter *painter, const QJsonObject &elem);
    static void drawLine(QPainter *painter, const QJsonObject &elem);
    static QString resolveValue(const QString &text, const QJsonObject &data);
    static QString exportDir();
};

#endif // TEMPLATEENGINE_H