#include <gtest/gtest.h>
#include <pdfengine/display_list.hpp>
#include <pdfengine/skia_renderer.hpp>

#ifdef PDFENGINE_WITH_SKIA
#include <include/core/SkBitmap.h>
#include <include/core/SkCanvas.h>
#endif

using namespace pdfengine;

TEST(SkiaRendererTest, RenderSimpleDisplayList) {
#ifdef PDFENGINE_WITH_SKIA
    SkBitmap bitmap;
    bitmap.allocN32Pixels(100, 100);
    SkCanvas canvas(bitmap);
    canvas.clear(SK_ColorWHITE);

    DisplayList dl;
    // Push state and set fill color to red
    dl.saveState();
    dl.fillRect(10, 10, 50, 50); // Will be filled with red (we need a SetFillColorCommand, but right now GraphicsState doesn't expose it directly via Command yet. It will use default black)
    dl.restoreState();

    SkiaRenderer renderer(&canvas);
    renderer.render(dl);

    // Let's verify that a pixel at (20,20) was drawn. Since default color is black (0,0,0), we check that.
    SkColor c = bitmap.getColor(20, 20);
    EXPECT_EQ(SkColorGetR(c), 0);
    EXPECT_EQ(SkColorGetG(c), 0);
    EXPECT_EQ(SkColorGetB(c), 0);

    // Check outside the rect
    SkColor bg = bitmap.getColor(5, 5);
    EXPECT_EQ(SkColorGetR(bg), 255);
    EXPECT_EQ(SkColorGetG(bg), 255);
    EXPECT_EQ(SkColorGetB(bg), 255);
#else
    GTEST_SKIP() << "PDFENGINE_WITH_SKIA not defined. Skia tests skipped.";
#endif
}