// SPDX-FileCopyrightText: 2023 - 2026 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later


#include <gtest/gtest.h>
#include <gmock/gmock.h>

#include <dfm-base/utils/thumbnail/thumbnailcreators.h>
#include "stubext.h"

#include <QImage>
#include <QString>
#include <QAtomicInt>
#include <QFuture>
#include <QtConcurrent/QtConcurrent>
#include <QThreadPool>
#include <QFutureSynchronizer>
#include <QMutex>
#include <QMutexLocker>
#include <atomic>
#include <vector>

DFMBASE_USE_NAMESPACE

class ThumbnailCreatorsTest : public testing::Test
{
protected:
    void SetUp() override
    {
        // 初始化测试环境
    }

    void TearDown() override
    {
        // 清理
        stub_ext::StubExt clear;
        clear.clear();
    }

    stub_ext::StubExt stub;
};

TEST_F(ThumbnailCreatorsTest, DefaultThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.txt";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::defaultThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, VideoThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.mp4";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;

    // Act
    QImage result = ThumbnailCreators::videoThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, VideoThumbnailCreatorFfmpeg_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.mp4";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kLarge;

    // Act
    QImage result = ThumbnailCreators::videoThumbnailCreatorFfmpeg(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, VideoThumbnailCreatorLib_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.avi";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::videoThumbnailCreatorLib(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, TextThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.txt";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::textThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, AudioThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.mp3";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;

    // Act
    QImage result = ThumbnailCreators::audioThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, ImageThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.jpg";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kLarge;

    // Act
    QImage result = ThumbnailCreators::imageThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, DjvuThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.djvu";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::djvuThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, PdfThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.pdf";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;

    // Act
    QImage result = ThumbnailCreators::pdfThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, AppimageThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.AppImage";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kLarge;

    // Act
    QImage result = ThumbnailCreators::appimageThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, UabThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.uab";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::uabThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, PptxThumbnailCreator_Call_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.pptx";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;

    // Act
    QImage result = ThumbnailCreators::pptxThumbnailCreator(filePath, size);

    // Assert
    // Just ensure no crash
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_DifferentSizes_ExpectedNoCrash) {
    // Arrange
    QString filePath = "/tmp/test.jpg";
    
    // Test all thumbnail sizes
    QList<DFMGLOBAL_NAMESPACE::ThumbnailSize> sizes = {
        DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall,
        DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal,
        DFMGLOBAL_NAMESPACE::ThumbnailSize::kLarge
    };

    // Act & Assert
    for (const auto& size : sizes) {
        QImage result = ThumbnailCreators::imageThumbnailCreator(filePath, size);
        // Just ensure no crash for each size
        EXPECT_TRUE(true);
    }
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_InvalidFilePath_ExpectedNoCrash) {
    // Arrange
    QString invalidFilePath = "";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act
    QImage result = ThumbnailCreators::defaultThumbnailCreator(invalidFilePath, size);

    // Assert
    // Just ensure no crash with invalid path
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_NonExistentFile_ExpectedNoCrash) {
    // Arrange
    QString nonExistentFilePath = "/non/existent/file.jpg";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;

    // Act
    QImage result = ThumbnailCreators::imageThumbnailCreator(nonExistentFilePath, size);

    // Assert
    // Just ensure no crash with non-existent file
    EXPECT_TRUE(true);
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_EdgeCases_ExpectedNoCrash) {
    // Arrange
    QList<QString> edgeCasePaths = {
        "/",  // Root directory
        "/dev/null",  // Special file
        "/tmp/",  // Directory
        "relative/path.jpg",  // Relative path
        "http://example.com/image.jpg",  // URL
        "",  // Empty string
        QString::fromUtf8("/path/with/中文/文件.jpg"),  // Unicode path
    };

    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;

    // Act & Assert
    for (const QString& path : edgeCasePaths) {
        QImage result = ThumbnailCreators::defaultThumbnailCreator(path, size);
        // Just ensure no crash for each edge case
        EXPECT_TRUE(true);
    }
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_PerformanceTest) {
    // Arrange
    QString filePath = "/tmp/performance_test.jpg";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kNormal;
    const int operationCount = 100;

    // Act
    qint64 startTime = QDateTime::currentMSecsSinceEpoch();
    
    for (int i = 0; i < operationCount; ++i) {
        QImage result = ThumbnailCreators::defaultThumbnailCreator(filePath, size);
    }
    
    qint64 endTime = QDateTime::currentMSecsSinceEpoch();
    qint64 duration = endTime - startTime;

    // Assert
    // Just ensure performance is reasonable (less than 10 seconds for 100 operations)
    EXPECT_LT(duration, 10000) << "Thumbnail creation should complete within reasonable time";
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_ConcurrentTest) {
    // Arrange
    QString filePath = "/tmp/concurrent_test.jpg";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kSmall;
    const int threadCount = 5;
    
    // Use QtConcurrent to run tests in parallel safely
    QFutureSynchronizer<void> synchronizer;
    
    for (int i = 0; i < threadCount; ++i) {
        synchronizer.addFuture(QtConcurrent::run([filePath, size]() {
            try {
                // Each thread calls the thumbnail creator
                QImage result = ThumbnailCreators::defaultThumbnailCreator(filePath, size);
            } catch (...) {
                // Exception handling is not the focus of this test - we're testing for crashes
            }
        }));
    }

    // Wait for all threads to complete
    synchronizer.waitForFinished();

    // Assert - if we reach this point, no crashes occurred
    EXPECT_TRUE(true) << "All concurrent operations completed without crashing";
}

TEST_F(ThumbnailCreatorsTest, ThumbnailCreators_MemoryTest) {
    // Arrange
    QString filePath = "/tmp/memory_test.jpg";
    DFMGLOBAL_NAMESPACE::ThumbnailSize size = DFMGLOBAL_NAMESPACE::ThumbnailSize::kLarge;
    const int operationCount = 50;
    QList<QImage*> images;

    // Act
    for (int i = 0; i < operationCount; ++i) {
        QImage* result = new QImage(ThumbnailCreators::defaultThumbnailCreator(filePath, size));
        images.append(result);
    }

    // Assert - just ensure no memory issues
    EXPECT_EQ(images.size(), operationCount);

    // Clean up
    for (QImage* image : images) {
        delete image;
    }
}
