#include "FiveToSingle.h"
#include <QMessageBox>
#include <QDateTime>
#include <QTextCodec>
#include <QTextStream>
#include <QDebug>

#define BG_PATH_FORMAT ":/NameCreater/resource/background_%1.jpg"

static QPointF BG_POS[] = {
	QPointF(159, 61), QPointF(482, 61), QPointF(802, 61),
	QPointF(1122, 61), QPointF(1449, 61), QPointF(1772, 61),
	QPointF(2095, 61), QPointF(2414, 61), QPointF(2738, 61),
	QPointF(3060, 61), QPointF(900, 2094), QPointF(900, 2420),
};

static int BG_POS_COUNT = sizeof(BG_POS) / sizeof(BG_POS[0]);


static QPointF NAME_POS[] = {
	QPointF(240, 430), QPointF(372, 1402),
	QPointF(564, 430), QPointF(694, 1402),
	QPointF(883, 430), QPointF(1014, 1402),
	QPointF(1205, 430), QPointF(1337, 1402),
	QPointF(1532, 430), QPointF(1663, 1402),
	QPointF(1854, 430), QPointF(1987, 1402),
	QPointF(2176, 430), QPointF(2309, 1402),
	QPointF(2498, 430), QPointF(2629, 1402),
	QPointF(2821, 430), QPointF(2952, 1402),
	QPointF(3145, 430), QPointF(3276, 1402),
	QPointF(1268, 2012), QPointF(2240, 1880),
	QPointF(1268, 2334), QPointF(2240, 2202),
};

static QPointF NAME_POS_NUMBER[] = {
	QPointF(240, 370), QPointF(372, 1442),
	QPointF(564, 370), QPointF(694, 1442),
	QPointF(883, 370), QPointF(1014, 1442),
	QPointF(1205, 370), QPointF(1337, 1442),
	QPointF(1532, 370), QPointF(1663, 1442),
	QPointF(1854, 370), QPointF(1987, 1442),
	QPointF(2176, 370), QPointF(2309, 1442),
	QPointF(2498, 370), QPointF(2629, 1442),
	QPointF(2821, 370), QPointF(2952, 1442),
	QPointF(3145, 370), QPointF(3276, 1442),
	QPointF(1228, 2012), QPointF(2280, 1880),
	QPointF(1228, 2334), QPointF(2280, 2202),
};

//static int NAME_POS_COUNT = sizeof(NAME_POS) / sizeof(NAME_POS[0]);

FiveToSingle::FiveToSingle() :INameCreater()
{


}

FiveToSingle::~FiveToSingle()
{
}

QList<NameInfo_t> FiveToSingle::getNameByFileContent(Name_Type_e type, const QByteArray& conetent)
{
	QList<NameInfo_t> nameList;

	QTextCodec* tc = QTextCodec::codecForName("Big5");
	QString codec = tc->toUnicode(conetent.data());
	QTextStream stream(&codec);

	int row = 0;
	while (!stream.atEnd())
	{
		NameInfo_t info;
		QString line = stream.readLine();
		QString name_tc = line;
		QStringList csvList = name_tc.split(',');

		QString name, eng_name, bg_type;

		switch (type) {
		case Name_zh:
			name = csvList.at(0);
			bg_type = csvList.at(1);

			break;
		case Name_zh_eng:
			name = csvList.at(0);
			eng_name = csvList.at(1);
			bg_type = csvList.at(2);

			break;
		case Name_eng:
			eng_name = csvList.at(0);
			bg_type = csvList.at(1);
		default:
			break;

		}

		qDebug() << "row :" << row << " " << name << ", eng: " << eng_name << ", bg_type: " << bg_type;

		if (name.compare("name_1") == 0 || eng_name.compare("eng_name") == 0) {
			//pass first line
			continue;
		}

		info.name1 = name;
		info.name_eng = eng_name;
		info.name2 = QString(BG_PATH_FORMAT).arg(bg_type);

		nameList.append(info);

		row++;
	}
	return nameList;
}

void FiveToSingle::generaImageFromCSV(Name_Type_e type, const QString& filename, const QByteArray& filecontent, const QFont& font, const QColor& font_color)
{
	int export_times = 0;

	QList<NameInfo_t> nameList = getNameByFileContent(type, filecontent);
	if (nameList.isEmpty()) {
		QMessageBox msgBox;
		msgBox.setText(QString("Name is empty ! ").append(filename));
		msgBox.exec();
	}

	QGraphicsScene scene;
	scene.setBackgroundBrush(QBrush(QColor(255, 255, 255)));
	QGraphicsView view(&scene);



	/*QImage image(BG_SAMPLE_PATH);
	QGraphicsPixmapItem* bgItem = new QGraphicsPixmapItem(QPixmap::fromImage(image));
	scene.addItem(bgItem);*/


	switch (type) {
	case Name_zh:
	{
		for (int n = 0; n < nameList.length(); n++) {
			int idx = n % BG_POS_COUNT;
			NameInfo_t name_info = nameList.at(n);
			QImage name_image(name_info.name2);
			if (idx == 0) {

				QGraphicsRectItem* bg_item = new QGraphicsRectItem(0, 0, BG_WIDTH, BG_HEIGHT);
				bg_item->setBrush(QBrush(QColor(255, 255, 255)));
				scene.addItem(bg_item);
			}


			QGraphicsPixmapItem* name_bgItem = new QGraphicsPixmapItem(QPixmap::fromImage(name_image));
			bool rot = (idx == 10 || idx == 11);
			name_bgItem->setRotation(rot ? -90 : 0);
			name_bgItem->setPos(BG_POS[idx]);
			scene.addItem(name_bgItem);


			if (name_info.name1.isEmpty()) {
				QMessageBox msgBox;
				msgBox.setText(QString().asprintf("Name is Empty at %d", export_times + 1));
				msgBox.exec();
			}
			QString name = name_info.name1;
			int name_len = name.length();
			for (int j = 0; j < 2; j++) {
				int pos_idx = idx * 2 + j;
				qreal xscale, yscale;

				xscale = yscale = (j == 1) ? -1 : 1;
				QPointF pos = name_info.is_number_bg ? NAME_POS_NUMBER[pos_idx] : NAME_POS[pos_idx];
				qreal y_offset[2] = { 0 };
				if (name_len == 2) {
					if (!rot) {
						pos.setY(pos.y() + 82.0 * xscale);
					}
					else {
						pos.setX(pos.x() + 82.0 * xscale);

					}

					y_offset[0] = 25;
				}

				QGraphicsTextItem* textItem1 = new QGraphicsTextItem(name.mid(0, 1));
				textItem1->setFont(font);
				textItem1->setDefaultTextColor(font_color);
				if (!rot) {
					textItem1->setPos(pos);
					textItem1->setTransform(QTransform::fromScale(xscale, yscale));
				}
				else {
					textItem1->setPos(pos);
					textItem1->setRotation(-90);
					textItem1->setTransform(QTransform::fromScale(xscale, yscale));
				}


				scene.addItem(textItem1);

				QGraphicsTextItem* textItem2 = new QGraphicsTextItem(name.mid(1, 1));
				textItem2->setFont(font);
				textItem2->setDefaultTextColor(font_color);
				if (!rot) {

					textItem2->setPos(pos.x(), pos.y() + (145 + y_offset[0]) * xscale);
					textItem2->setTransform(QTransform::fromScale(xscale, yscale));
				}
				else {
					textItem2->setPos(pos.x() + (145 + y_offset[0]) * xscale, pos.y());
					textItem2->setRotation(-90);
					textItem2->setTransform(QTransform::fromScale(xscale, yscale));
				}

				scene.addItem(textItem2);

				if (name_len > 2) {
					QGraphicsTextItem* textItem3 = new QGraphicsTextItem(name.mid(2, 1));
					textItem3->setFont(font);
					textItem3->setDefaultTextColor(font_color);
					if (!rot) {
						textItem3->setPos(pos.x(), pos.y() + 290 * xscale);
						textItem3->setTransform(QTransform::fromScale(xscale, yscale));
					}
					else {
						textItem3->setPos(pos.x() + 290 * xscale, pos.y());
						textItem3->setRotation(-90);
						textItem3->setTransform(QTransform::fromScale(xscale, yscale));
					}

					scene.addItem(textItem3);
				}


			}
			bool is_export_page = ((idx + 1) % BG_POS_COUNT == 0);
			if (is_export_page || n == nameList.count() - 1) {
				QString date_str = QDateTime::currentDateTime().toString("MMddhhmm");
				QString file_name = QString("Signal_%2_%1.jpg").arg(QString::number(export_times + 1), date_str);
				saveToImage(file_name, &scene);
				export_times++;

				scene.clear();
			}
		}
	}
	break;
	case Name_zh_eng:
	{
        QFont _new_font = QFont(this->EnglisthFont());
        _new_font.setWeight(QFont::ExtraLight);

		for (int n = 0; n < nameList.length(); n++) {
			int idx = n % BG_POS_COUNT;
			NameInfo_t name_info = nameList.at(n);
			QImage name_image(name_info.name2);
			if (idx == 0) {

				QGraphicsRectItem* bg_item = new QGraphicsRectItem(0, 0, BG_WIDTH, BG_HEIGHT);
				bg_item->setBrush(QBrush(QColor(255, 255, 255)));
				scene.addItem(bg_item);
			}


			QGraphicsPixmapItem* name_bgItem = new QGraphicsPixmapItem(QPixmap::fromImage(name_image));
			bool rot = (idx == 10 || idx == 11);
			name_bgItem->setRotation(rot ? -90 : 0);
			name_bgItem->setPos(BG_POS[idx]);
			scene.addItem(name_bgItem);


			if (name_info.name1.isEmpty()) {
				QMessageBox msgBox;
				msgBox.setText(QString().asprintf("Name is Empty at %d", export_times + 1));
				msgBox.exec();
			}
			QString name = name_info.name1;
			int name_len = name.length();
			for (int j = 0; j < 2; j++) {
				int pos_idx = idx * 2 + j;
				QPointF pos = name_info.is_number_bg ? NAME_POS_NUMBER[pos_idx] : NAME_POS[pos_idx];
				if (j == 0) {
					qreal xscale, yscale;
					xscale = yscale = 1;
					
					qreal y_offset[2] = { 0 };
					if (name_len == 2) {
						if (!rot) {
							pos.setY(pos.y() + 82.0 * xscale);
						}
						else {
							pos.setX(pos.x() + 82.0 * xscale);

						}

						y_offset[0] = 25;
					}

					QGraphicsTextItem* textItem1 = new QGraphicsTextItem(name.mid(0, 1));
                    textItem1->setFont(font);
					textItem1->setDefaultTextColor(font_color);
					if (!rot) {
						textItem1->setPos(pos);
						textItem1->setTransform(QTransform::fromScale(xscale, yscale));
					}
					else {
						textItem1->setPos(pos);
						textItem1->setRotation(-90);
						textItem1->setTransform(QTransform::fromScale(xscale, yscale));
					}


					scene.addItem(textItem1);

					QGraphicsTextItem* textItem2 = new QGraphicsTextItem(name.mid(1, 1));
					textItem2->setFont(font);
					textItem2->setDefaultTextColor(font_color);
					if (!rot) {

						textItem2->setPos(pos.x(), pos.y() + (145 + y_offset[0]) * xscale);
						textItem2->setTransform(QTransform::fromScale(xscale, yscale));
					}
					else {
						textItem2->setPos(pos.x() + (145 + y_offset[0]) * xscale, pos.y());
						textItem2->setRotation(-90);
						textItem2->setTransform(QTransform::fromScale(xscale, yscale));
					}

					scene.addItem(textItem2);

					if (name_len > 2) {
						QGraphicsTextItem* textItem3 = new QGraphicsTextItem(name.mid(2, 1));
						textItem3->setFont(font);
						textItem3->setDefaultTextColor(font_color);
						if (!rot) {
							textItem3->setPos(pos.x(), pos.y() + 290 * xscale);
							textItem3->setTransform(QTransform::fromScale(xscale, yscale));
						}
						else {
							textItem3->setPos(pos.x() + 290 * xscale, pos.y());
							textItem3->setRotation(-90);
							textItem3->setTransform(QTransform::fromScale(xscale, yscale));
						}

						scene.addItem(textItem3);
					}
				}
				else if (j == 1) {
					//TODO: add English world
					QGraphicsTextItem* eng_word_item = new QGraphicsTextItem(name_info.name_eng);


					int _new_size = getFontSizebyStr(_new_font, 120, 480, name_info.name_eng);
					_new_font.setPixelSize(_new_size);

					eng_word_item->setFont(_new_font);
					QRectF rect = eng_word_item->boundingRect();
					eng_word_item->setDefaultTextColor(font_color);

					if (!rot) {
						eng_word_item->setRotation(-90);
						eng_word_item->setPos(pos.x() + 20 - rect.height(), (pos.y() - 200) + rect.width() / 2);
						scene.addItem(eng_word_item);
					}
					else {
                        eng_word_item->setRotation(0);
                        // using window and webassembly complier that different y pos

                        //widows complier
                        //eng_word_item->setPos(pos.x() - 160 - rect.height(), pos.y()- 15);

                        //webassembly complier
                        eng_word_item->setPos(pos.x() - 160 - rect.height(), pos.y()+10);
						scene.addItem(eng_word_item);
					}
					
				}
				


			}
			bool is_export_page = ((idx + 1) % BG_POS_COUNT == 0);
			if (is_export_page || n == nameList.count() - 1) {
				QString date_str = QDateTime::currentDateTime().toString("MMddhhmm");
				QString file_name = QString("Signal_%2_%1.jpg").arg(QString::number(export_times + 1), date_str);
				saveToImage(file_name, &scene);
				export_times++;

				scene.clear();
			}
		}
		
	}
	break;

    default:
        break;
	}





	QMessageBox msgBox;
	msgBox.setText(QString().asprintf("Export Finshed. Count:%d", export_times));
	msgBox.exec();

}