#include "stdafx.h"
#include "JSON_converters.h"
#include "WB_QR.h"
#include "OK_Dialog.h"
#include <QPainter>
#include <QtConcurrent/QtConcurrent>
#include <ShlObj.h>

JSON_converters::JSON_converters(QWidget *parent)
	: QWidget(parent)
{
	setupUi(this);
}

QString number_of_errors(int errors, int files_no)
{
	if (errors > 0)
		return (", " + QString::number(errors) + "из " + QString::number(files_no) + " с ошибками");
	return "";
}


void JSON_converters::on_JSON_to_PDF_Button_clicked()
{
	int errors = 0;
	int progress = 0;
	PWSTR path;
	SHGetKnownFolderPath(FOLDERID_PublicDocuments, KF_FLAG_DEFAULT, NULL, &path);
	std::wstring strpath(path);
	CoTaskMemFree(path);
	QStringList filenames = QFileDialog::getOpenFileNames(this, "Выберите файлы JSON", QString::fromStdWString(strpath + L"\\WB_QR\\JSON"), "Файлы JSON (*.json)");
	emit bar_maximum_Signal(filenames.size());
	emit bar_progress_Signal(0);
	for (auto& i : filenames)
	{
		QFuture<int> future = QtConcurrent::run(JSON_to_PDF, i.toStdString());
		if (future.result() != 0)
			errors++;
		progress++;
		emit bar_progress_Signal(progress);
	}
	if (!filenames.isEmpty())
	{
		OK_Dialog dialog(this->parentWidget());
		dialog.Dialog_Text->setText("Файлы сконвертированы" + number_of_errors(errors, progress));
		dialog.exec();
	}
}


void JSON_converters::on_JSON_to_XLSX_Button_clicked()
{
	int errors = 0;
	int progress = 0;
	PWSTR path;
	SHGetKnownFolderPath(FOLDERID_PublicDocuments, KF_FLAG_DEFAULT, NULL, &path);
	std::wstring strpath(path);
	CoTaskMemFree(path);
	QStringList filenames = QFileDialog::getOpenFileNames(this, "Выберите файлы JSON", QString::fromStdWString(strpath + L"\\WB_QR\\JSON"), "Файлы JSON (*.json)");
	emit bar_maximum_Signal(filenames.size());
	emit bar_progress_Signal(0);
	for (auto& i : filenames)
	{
		QFuture<int> future = QtConcurrent::run(JSON_to_XLSX, i.toStdString());
		if (future.result() != 0)
			errors++;
		progress++;
		emit bar_progress_Signal(progress);
	}
	if (!filenames.isEmpty())
	{
		OK_Dialog dialog(this->parentWidget());
		dialog.Dialog_Text->setText("Файлы сконвертированы" + number_of_errors(errors, progress));
		dialog.exec();
	}
}

void JSON_converters::paintEvent(QPaintEvent*)
{
	QPainterPath path;
	path.lineTo(this->width(), 0);
	path.lineTo(this->width() - 1, this->height() - 1);
	path.lineTo(0, this->height() - 1);
	QPainter painter(this);
	painter.drawPath(path);
	update();
}

JSON_converters::~JSON_converters()
{}