// SPDX-FileCopyrightText: 2025 - 2026 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: GPL-3.0-or-later

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

#include "stubext.h"

#include "views/private/baseitemdelegate_p.h"
#include "views/baseitemdelegate.h"
#include "views/fileview.h"
#include "utils/fileviewhelper.h"

#include <QPainter>
#include <QAbstractItemView>
#include <QLineEdit>

using namespace dfmplugin_workspace;
using namespace dfmbase;

// Create a concrete implementation of BaseItemDelegate for testing
class TestBaseItemDelegate : public BaseItemDelegate
{
public:
    explicit TestBaseItemDelegate(FileViewHelper *parent = nullptr) : BaseItemDelegate(parent) {}
    
    QList<QRect> paintGeomertys(const QStyleOptionViewItem &option, const QModelIndex &index, bool sizeHintMode = false) const override
    {
        Q_UNUSED(option)
        Q_UNUSED(index)
        Q_UNUSED(sizeHintMode)
        return QList<QRect>();
    }
    
    void updateItemSizeHint() override
    {
        // Empty implementation
    }
    
    int getGroupHeaderHeight(const QStyleOptionViewItem &option) const override
    {
        Q_UNUSED(option)
        return 0;
    }
};

class BaseItemDelegatePrivateTest : public ::testing::Test
{
protected:
    void SetUp() override
    {
        // Initialize test environment with concrete implementation
        mockHelper = new FileViewHelper();
        delegate = new TestBaseItemDelegate(mockHelper);
        d = new BaseItemDelegatePrivate(delegate);
        // Don't delete mockHelper here, as delegate might still reference it
    }

    void TearDown() override
    {
        delete d;
        delete delegate;
        delete mockHelper; // Clean up mock helper after delegate is deleted
        stub.clear();
    }

    TestBaseItemDelegate *delegate = nullptr;
    BaseItemDelegatePrivate *d = nullptr;
    FileViewHelper *mockHelper = nullptr;
    stub_ext::StubExt stub;
};

TEST_F(BaseItemDelegatePrivateTest, Constructor_SetsQPointer)
{
    // Test that constructor sets q_ptr correctly
    EXPECT_EQ(d->q_ptr, delegate);
}

TEST_F(BaseItemDelegatePrivateTest, Destructor_DoesNotCrash)
{
    // Test destructor
    auto *testD = new BaseItemDelegatePrivate(delegate);
    EXPECT_NO_THROW(delete testD);
}

TEST_F(BaseItemDelegatePrivateTest, Init_ConnectsSignals)
{
    // Test init method
    EXPECT_NO_THROW(d->init());
}

TEST_F(BaseItemDelegatePrivateTest, TextLineHeight_InitialValue)
{
    // Test initial value of textLineHeight
    EXPECT_EQ(d->textLineHeight, -1);
}

TEST_F(BaseItemDelegatePrivateTest, ItemSizeHint_InitialValue)
{
    // Test initial value of itemSizeHint
    EXPECT_TRUE(d->itemSizeHint.isEmpty());
}

TEST_F(BaseItemDelegatePrivateTest, EditingIndex_InitialValue)
{
    // Test initial value of editingIndex
    EXPECT_FALSE(d->editingIndex.isValid());
}

TEST_F(BaseItemDelegatePrivateTest, Editor_InitialValue)
{
    // Test initial value of editor
    EXPECT_EQ(d->editor, nullptr);
}

TEST_F(BaseItemDelegatePrivateTest, PaintProxy_InitialValue)
{
    // Test initial value of paintProxy
    EXPECT_EQ(d->paintProxy, nullptr);
}

TEST_F(BaseItemDelegatePrivateTest, CommitDataCurentWidget_InitialValue)
{
    // Test initial value of commitDataCurentWidget
    EXPECT_EQ(d->commitDataCurentWidget, nullptr);
}

TEST_F(BaseItemDelegatePrivateTest, ViewDefines_InitialValue)
{
    // Test initial value of viewDefines
    EXPECT_NO_THROW(d->viewDefines);
}