/*****************************************************************************
* gta5view-cmd - gta5view Command Line
* Copyright (C) 2017-2020 Syping
*
* 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 "SnapmaticPicture.h"
#include <QCoreApplication>
#include <QImageReader>
#include <QDateTime>
#include <QPainter>
#include <QImage>
#include <QMap>

#include <iostream>
using namespace std;

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    QStringList args = a.arguments();

    if (args.length() >= 3) {
        QString format = "jpg";
        bool isDefault = true;
        bool avatarMode = false;
        bool eXtendMode = false;
        bool ignoreORes = false;
        bool convertToGTA = false;
        bool customFormat = false;
        bool formatSwitch = false;
        bool keepAspectRatio = true;
        QMap<QString,QString> flags;

        if (args.length() >= 4) {
            if (args.at(3) == "-pgta") {
                convertToGTA = true;
                customFormat = false;
            }
            else if (args.at(3) == "-g5e") {
                convertToGTA = true;
                customFormat = true;
            }
            else if (args.at(3) == "-jpg") {
                format = "jpg";
                convertToGTA = false;
            }
        }
        if (args.length() >= 5) {
            if (args.at(4) == "-a") {
                isDefault = false;
                avatarMode = true;
            }
            else if (args.at(4) == "-aX") {
                isDefault = false;
                avatarMode = true;
                eXtendMode = true;
            }
            else if (args.at(4) == "-p") {
                isDefault = false;
                avatarMode = false;
            }
            else if (args.at(4) == "-pX") {
                isDefault = false;
                avatarMode = false;
                eXtendMode = true;
            }
            else if (args.at(4) == "-d") {
                isDefault = true;
            }
            else if (args.at(4) == "-dX") {
                isDefault = true;
                eXtendMode = true;
            }
            else if (args.at(4) == "-fs") {
                convertToGTA = false;
                formatSwitch = true;
            }
            else if (args.at(4) == "-aiar") {
                isDefault = false;
                avatarMode = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-aiarX") {
                isDefault = false;
                avatarMode = true;
                eXtendMode = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-akar") {
                isDefault = false;
                avatarMode = true;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-akarX") {
                isDefault = false;
                avatarMode = true;
                eXtendMode = true;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-piar") {
                isDefault = false;
                avatarMode = false;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-piarX") {
                isDefault = false;
                avatarMode = false;
                eXtendMode = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-pkar") {
                isDefault = false;
                avatarMode = false;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-pkarX") {
                isDefault = false;
                avatarMode = false;
                eXtendMode = true;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-diar") {
                isDefault = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-diarX") {
                isDefault = true;
                eXtendMode = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-dkar") {
                isDefault = true;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-dkarX") {
                isDefault = true;
                eXtendMode = true;
                keepAspectRatio = true;
            }
            else if (args.at(4) == "-ior") {
                isDefault = false;
                ignoreORes = true;
                keepAspectRatio = false;
            }
            else if (args.at(4) == "-iorX") {
                isDefault = false;
                ignoreORes = true;
                eXtendMode = true;
                keepAspectRatio = false;
            }
            else {
                QStringList currentFlagArg = args.at(4).split("=");
                QString currentFlag = currentFlagArg.at(0).toLower();
                if (currentFlag.at(0) == '-') {
                    currentFlag.remove(0, 1);
                    currentFlagArg.removeFirst();
                    const QString currentValue = currentFlagArg.join(QString());
                    flags[currentFlag] = currentValue;
                }
            }
        }
        if (args.length() >= 6) {
            QStringList flagArgs(args);
            for (int argId = 0; argId == 5; argId++) {
                flagArgs.removeAt(argId);
            }
            for (const QString &flagArg : flagArgs) {
                QStringList currentFlagArg = flagArg.split("=");
                QString currentFlag = currentFlagArg.at(0).toLower();
                if (currentFlag.at(0) == '-') {
                    currentFlag.remove(0, 1);
                    currentFlagArg.removeFirst();
                    const QString currentValue = currentFlagArg.join(QString());
                    flags[currentFlag] = currentValue;
                }
            }
        }
        if (!convertToGTA) {
            SnapmaticPicture picture(args.at(1));
            if (picture.readingPicture(false)) {
                QString filePath = args.at(2);
                if (!formatSwitch) {
                    filePath.replace("<autodef>", picture.getExportPictureFileName());
                    filePath.replace("<autoext>", ".jpg");
                    if (!picture.exportPicture(filePath, SnapmaticFormat::JPEG_Format)) {
                        cout << "gta5view-cmd: Exporting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is failed!" << endl;
                        return 1;
                    }
                    else {
                        if (flags.value("output", QString()).toLower() == "exported_filename") {
                            cout << filePath.toStdString() << endl;
                        }
                        else {
                            cout << "gta5view-cmd: Exporting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is successful!" << endl;
                        }
                    }
                }
                else {
                    filePath.replace("<autodef>", picture.getPictureFileName());
                    if (customFormat) {
                        filePath.replace("<autoext>", ".g5e");
                        if (!picture.exportPicture(filePath, SnapmaticFormat::G5E_Format)) {
                            cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is failed!" << endl;
                            return 1;
                        }
                        else {
                            if (flags.value("output", QString()).toLower() == "exported_filename") {
                                cout << filePath.toStdString() << endl;
                            }
                            else {
                                cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is successful!" << endl;
                            }
                        }
                    }
                    else {
                        filePath.replace("<autoext>", "");
                        if (!picture.exportPicture(filePath, SnapmaticFormat::PGTA_Format)) {
                            cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is failed!" << endl;
                            return 1;
                        }
                        else {
                            if (flags.value("output", QString()).toLower() == "exported_filename") {
                                cout << filePath.toStdString() << endl;
                            }
                            else {
                                cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is successful!" << endl;
                            }
                        }
                    }
                }
            }
            else {
                cout << "gta5view-cmd: Reading of " << args.at(1).toStdString() << " is failed!" << endl;
                return 1;
            }
        }
        else {
            SnapmaticPicture picture(":/template.g5e");
            if (picture.readingPicture(false)) {
                QImage image;
                QFile imageFile(args.at(1));
                if (!imageFile.open(QFile::ReadOnly)) {
                    cout << "gta5view-cmd: Reading of " << args.at(1).toStdString() << " is failed!" << endl;
                    return 1;
                }
                QImageReader imageReader;
                imageReader.setDecideFormatFromContent(true);
                imageReader.setDevice(&imageFile);
                if (!imageReader.read(&image)) {
                    cout << "gta5view-cmd: Parsing of " << args.at(1).toStdString() << " is failed!" << endl;
                    return 1;
                }
                if (!image.isNull()) {
                    if (!ignoreORes) {
                        QSize snapmaticRes(960, 536);
                        QSize avatarRes(470, 470);
                        int avatarZoneX = 145;
                        int avatarZoneY = 66;

                        if (isDefault) {
                            if (image.width() == image.height()) {
                                avatarMode = true;
                            }
                            else {
                                avatarMode = false;
                            }
                        }
                        if (!avatarMode) {
                            QImage snapmaticImage(snapmaticRes, QImage::Format_RGB888);
                            snapmaticImage.fill(Qt::black);
                            QPainter snapmaticPainter(&snapmaticImage);

                            // Picture mode
                            int diffWidth = 0;
                            int diffHeight = 0;
                            if (keepAspectRatio) {
                                image = image.scaled(snapmaticRes, Qt::KeepAspectRatio, Qt::SmoothTransformation);
                                if (image.width() != snapmaticRes.width()) {
                                    diffWidth = snapmaticRes.width() - image.width();
                                    diffWidth = diffWidth / 2;
                                }
                                else if (image.height() != snapmaticRes.height()) {
                                    diffHeight = snapmaticRes.height() - image.height();
                                    diffHeight = diffHeight / 2;
                                }
                            }
                            else {
                                image = image.scaled(snapmaticRes.width(), snapmaticRes.height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
                            }
                            snapmaticPainter.drawImage(0 + diffWidth, 0 + diffHeight, image);
                            snapmaticPainter.end();
                            image = snapmaticImage;
                        }
                        else {
                            QImage snapmaticImage(snapmaticRes, QImage::Format_RGB888);
                            snapmaticImage.fill(Qt::black);
                            QPainter snapmaticPainter(&snapmaticImage);

                            // Scale to Avatar Resolution if needed
                            if (image.width() != avatarRes.width()) {
                                image.scaled(avatarRes, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
                            }

                            // Avatar mode
                            int diffWidth = 0;
                            int diffHeight = 0;
                            if (keepAspectRatio) {
                                image = image.scaled(avatarRes, Qt::KeepAspectRatio, Qt::SmoothTransformation);
                                if (image.width() > image.height()) {
                                    diffHeight = avatarRes.height() - image.height();
                                    diffHeight = diffHeight / 2;
                                }
                                else if (image.width() < image.height()) {
                                    diffWidth = avatarRes.width() - image.width();
                                    diffWidth = diffWidth / 2;
                                }
                            }
                            else {
                                image = image.scaled(avatarRes, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
                            }
                            snapmaticPainter.drawImage(avatarZoneX + diffWidth, avatarZoneY + diffHeight, image);
                            snapmaticPainter.end();
                            image = snapmaticImage;
                        }
                    }

                    if (picture.setImage(image, eXtendMode)) {
                        int crew = 0;
                        double posX = 0;
                        double posY = 0;
                        double posZ = 0;
                        QStringList players;
                        if (flags.contains("crew")) {
                            bool crewValid;
                            int crewId = flags["crew"].toInt(&crewValid);
                            if (crewValid) {
                                crew = crewId;
                            }
                        }
                        if (flags.contains("title") && SnapmaticPicture::verifyTitle(flags["title"])) {
                            picture.setPictureTitle(flags["title"]);
                        }
                        else {
                            avatarMode ? picture.setPictureTitle("Converted Avatar") : picture.setPictureTitle("Converted Picture");
                        }
                        if (flags.contains("players")) {
                            bool flagValid = true;
                            QString playerFlag = flags["players"];
                            if (playerFlag.left(1) == "[" && playerFlag.right(1) == "]") {
                                playerFlag.remove(0, 1);
                                playerFlag.remove(playerFlag.length() - 1, 1);
                            }
                            const QStringList playersList = playerFlag.split(",");
                            for (QString player : playersList) {
                                if (player.left(1) == "\"" && player.right(1) == "\"") {
                                    player.remove(0, 1);
                                    player.remove(player.length() - 1, 1);
                                }
                                bool playerValid;
                                player.toInt(&playerValid);
                                if (!playerValid) {
                                    flagValid = false;
                                }
                            }
                            if (flagValid) {
                                players = playersList;
                            }
                        }
                        if (flags.contains("position")) {
                            bool flagValid = true;
                            QString positionFlag = flags["position"];
                            if (positionFlag.left(1) == "[" && positionFlag.right(1) == "]") {
                                positionFlag.remove(0, 1);
                                positionFlag.remove(positionFlag.length() - 1, 1);
                            }
                            const QStringList positionsList = positionFlag.split(",");
                            for (QString position : positionsList) {
                                if (position.left(1) == "\"" && position.right(1) == "\"") {
                                    position.remove(0, 1);
                                    position.remove(position.length() - 1, 1);
                                }
                                bool positionValid;
                                position.toDouble(&positionValid);
                                if (!positionValid) {
                                    flagValid = false;
                                }
                            }
                            if (flagValid) {
                                if (positionsList.length() >= 1) {
                                    posX = positionsList.at(0).toDouble();
                                }
                                if (positionsList.length() >= 2) {
                                    posY = positionsList.at(1).toDouble();
                                }
                                if (positionsList.length() >= 3) {
                                    posZ = positionsList.at(2).toDouble();
                                }
                            }
                        }
                        SnapmaticProperties pictureSP = picture.getSnapmaticProperties();
                        pictureSP.uid = QString(QTime::currentTime().toString("HHmmss") +
                                                QString::number(QDate::currentDate().dayOfYear())).toInt();
                        pictureSP.createdDateTime = QDateTime::currentDateTime();
                        pictureSP.createdTimestamp = pictureSP.createdDateTime.toTime_t();
                        pictureSP.crewID = crew;
                        pictureSP.playersList = players;
                        pictureSP.location.x = posX;
                        pictureSP.location.y = posY;
                        pictureSP.location.z = posZ;
                        picture.setSnapmaticProperties(pictureSP);
                        picture.setPictureFileName(QString("PGTA5%1").arg(QString::number(pictureSP.uid)));
                        QString filePath = args.at(2);
                        filePath.replace("<autodef>", picture.getPictureFileName());
                        if (!customFormat) {
                            filePath.replace("<autoext>", "");
                            if (!picture.exportPicture(filePath, SnapmaticFormat::PGTA_Format)) {
                                cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is failed!" << endl;
                                return 1;
                            }
                            else {
                                if (flags.value("output", QString()).toLower() == "exported_filename") {
                                    cout << filePath.toStdString() << endl;
                                }
                                else {
                                    cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is successful!" << endl;
                                }
                            }
                        }
                        else {
                            filePath.replace("<autoext>", ".g5e");
                            if (!picture.exportPicture(filePath, SnapmaticFormat::G5E_Format)) {
                                cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is failed!" << endl;
                                return 1;
                            }
                            else {
                                if (flags.value("output", QString()).toLower() == "exported_filename") {
                                    cout << filePath.toStdString() << endl;
                                }
                                else {
                                    cout << "gta5view-cmd: Converting of " << args.at(1).toStdString() << " to " << filePath.toStdString() << " is successful!" << endl;
                                }
                            }
                        }
                    }
                    else {
                        cout << "gta5view-cmd: Editing of Snapmatic Image Stream failed!" << endl;
                        return 1;
                    }
                }
                else {
                    cout << "gta5view-cmd: " << args.at(1).toStdString() << " is invalid image!" << endl;
                    return 1;
                }
            }
            else {
                cout << "gta5view-cmd: Reading of internal template failed!" << endl;
                return 1;
            }
        }
    }
    else {
        cout << "gta5view Command Line 0.5.1" << endl << endl;
        cout << "Usage: " << args.at(0).toStdString() << " source target -format -mode -flag=value" << endl;
        if (args.length() >= 2 && (args.at(1) == "--help" || args.at(1) == "-help")) {
            cout << "Convert-only: <autodef> (auto file name at convert)" << endl;
            cout << "Convert-only: <autoext> (auto file extension at convert)" << endl;
            cout << "Formats: jpg pgta g5e" << endl;
            cout << "Snapmatic Modes: a p d fs aiar akar piar pkar diar dkar ior" << endl;
            cout << "Snapmatic Modes: aX pX dX aiarX akarX piarX pkarX diarX dkarX iorX" << endl;
            cout << "Snapmatic Flags: crew=int players=int[] position=double[] title=string" << endl;
            cout << "Global Flags: output=string" << endl;
        }
        return 255;
    }

    return 0;
}