/*
 * This file is part of the Flowee project
 * Copyright (C) 2025 Tom Zander <tom@flowee.org>
 *
 * 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 "TestUtils.h"
#include <FloweePay.h>
#include <SeedsBackup.h>
#include <streaming/BufferPools.h>

#include <qtest.h>
#include <qtestcase.h>
#include <QLocale>

void TestUtils::testAmountToString()
{
    QCOMPARE(FloweePay::amountToString(12345678, FloweePay::BCH), "0.12345678");
    QCOMPARE(FloweePay::amountToString(512345678, FloweePay::BCH), "5.12345678");
    QCOMPARE(FloweePay::amountToString(12345678, FloweePay::MilliBCH), "123.45678");
    QCOMPARE(FloweePay::amountToString(512345678, FloweePay::MilliBCH), "5,123.45678");
    QCOMPARE(FloweePay::amountToString(12345678, FloweePay::MicroBCH), "123,456.78");
    QCOMPARE(FloweePay::amountToString(512345678, FloweePay::MicroBCH), "5,123,456.78");
    QCOMPARE(FloweePay::amountToString(12345678, FloweePay::Bits), "123,456.78");
    QCOMPARE(FloweePay::amountToString(512345678, FloweePay::Bits), "5,123,456.78");
    QCOMPARE(FloweePay::amountToString(12345678, FloweePay::Satoshis), "12,345,678");
    QCOMPARE(FloweePay::amountToString(512345678, FloweePay::Satoshis), "512,345,678");

    QCOMPARE(FloweePay::amountToString(1, FloweePay::Satoshis), "1");
    QCOMPARE(FloweePay::amountToString(10, FloweePay::Satoshis), "10");
    QCOMPARE(FloweePay::amountToString(100, FloweePay::Satoshis), "100");
    QCOMPARE(FloweePay::amountToString(1000, FloweePay::Satoshis), "1,000");
    QCOMPARE(FloweePay::amountToString(10000, FloweePay::Satoshis), "10,000");
    QCOMPARE(FloweePay::amountToString(100000, FloweePay::Satoshis), "100,000");

    QCOMPARE(FloweePay::amountToString(0, FloweePay::BCH), "0.00000000");
    QCOMPARE(FloweePay::amountToString(0, FloweePay::MilliBCH), "0.00000");
    QCOMPARE(FloweePay::amountToString(1, FloweePay::MilliBCH), "0.00001");
    QCOMPARE(FloweePay::amountToString(10, FloweePay::MilliBCH), "0.00010");
    QCOMPARE(FloweePay::amountToString(100, FloweePay::MilliBCH), "0.00100");
    QCOMPARE(FloweePay::amountToString(1000, FloweePay::MilliBCH), "0.01000");
    QCOMPARE(FloweePay::amountToString(10000, FloweePay::MilliBCH), "0.10000");
    QCOMPARE(FloweePay::amountToString(100000, FloweePay::MilliBCH), "1.00000");
}

namespace {
class MockSeedsBackup : public SeedsBackup
{
public:
    MockSeedsBackup() {}

    QString name() { return m_name; }
    void setName(const QString &name) { m_name = name; }
    void setSeed(const std::vector<uint8_t> &seed) { m_seed = seed; }
    std::vector<uint8_t> seed() const { return m_seed; }
    void setLanguageId(int id) { m_language = id; }
    int languageId() const { return m_language; }
    QList<Path> paths() const { return m_paths; }
    void setPaths(const QList<Path> &paths) { m_paths = paths; }
};
}

void TestUtils::testSeedsBackup()
{
    MockSeedsBackup bc;
    bc.setName("some Name");
    std::vector<uint8_t> seed { 10, 56, 48, 241, 189, 12, 46, 45, 126, 43, 61, 174, 216, 51, 181, 255, 61 };
    bc.setSeed(seed);
    SeedsBackup::Path onePath;
    onePath.path = "m/0'/5";
    onePath.name = "Another name";
    onePath.startingHeight = 622812;
    bc.setPaths({ onePath });

    auto backup = bc.toBuffer();
    QVERIFY(!backup.isEmpty());

    auto *restored = SeedsBackup::fromData(backup);
    QVERIFY(restored);
    MockSeedsBackup *mockRestored = static_cast<MockSeedsBackup*>(restored);
    QCOMPARE(mockRestored->name(), bc.name());
    QCOMPARE(mockRestored->languageId(), bc.languageId());
    QCOMPARE(mockRestored->paths().size(), bc.paths().size());
    auto p = mockRestored->paths().first();
    QCOMPARE(p.name, onePath.name);
    QCOMPARE(p.path, onePath.path);
    QCOMPARE(p.startingHeight, onePath.startingHeight);
    QCOMPARE(mockRestored->seed(), seed);

    // check if it doesn't choke on the input.
    for (int l = 0; l < backup.size(); ++l) {
        auto *dummy = SeedsBackup::fromData(backup.mid(0, l));
        QVERIFY(dummy == nullptr);
        if (l > 0) {
            dummy = SeedsBackup::fromData(backup.mid(l, -1));
            QVERIFY(dummy == nullptr);
        }
    }
}

QTEST_MAIN(TestUtils)