/*
 * This file is part of the Bitcoin project
 * Copyright (C) 2014-2016 Tom Zander <tomz@freedommail.ch>
 *
 * 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 "Transaction.h"

#include <QCoreApplication>
#include <QCommandLineParser>
#include <QFileInfo>
#include <QDebug>

int main(int x, char **y) {
    QCoreApplication app(x, y);
    QCoreApplication::setApplicationName("Transactions");
    QCoreApplication::setApplicationVersion("1.1");

    QCommandLineParser parser;
    parser.setApplicationDescription("Transactions investigations");
    parser.addHelpOption();
    parser.addPositionalArgument("transaction", "Source transaction");
    QCommandLineOption rawtx(QStringList() << "rawtx", "pass a raw hexformatted transaction instead of a filename" );
    parser.addOption(rawtx);
    QCommandLineOption printRaw(QStringList() << "p" << "printRaw", "Print raw hex version");
    parser.addOption(printRaw);
    QCommandLineOption script(QStringList() << "rawscript", "pass raw hexformatted script");
    parser.addOption(script);

    parser.process(app);
    const QStringList args = parser.positionalArguments();
    if (args.isEmpty())
        parser.showHelp(1);

    QTextStream out(stdout);
    if (parser.isSet(script)) {
        if (parser.isSet(rawtx)) {
            out << "ERROR: pass only one, either input script or rawtx.\n";
            out << "Bailing out" << Qt::endl;
            return 1;
        }
        QByteArray data = QByteArray::fromHex(args.at(0).toLatin1());

        Transaction::debugScript(data, 0, out);
        return 0;
    }
    Transaction t;
    bool success;
    if (parser.isSet(rawtx)) {
        QByteArray data = QByteArray::fromHex(args.at(0).toLatin1());
        success = t.read(data);
    } else {
        success = t.read(args.at(0));
    }
    if (parser.isSet(printRaw)) {
        if (parser.isSet(rawtx) || parser.isSet(script)) {
            out << "ERROR: printraw and rawtx both as arguments makes no sense.\n";
            out << "Sorry, not doing it" << Qt::endl;
            return 1;
        }

        QFile in(args.at(0));
        if (in.open(QIODevice::ReadOnly)) {
            QByteArray all = in.readAll();
            out << "Serialized: " << QString::fromLatin1(all.toHex()) << Qt::endl;
        }
    }

    if (!success)
        return 1;

    QByteArray data = QByteArray::fromHex(args.at(0).toLatin1());
    t.debug();
    if (parser.isSet(rawtx))
        out << "size: " << data.length() << Qt::endl;
    out << "\n\n";
    out.flush();

    return 0;
}