/*
 * Copyright 2026 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#include "include/core/SkCanvas.h"
#include "include/core/SkGraphics.h"
#include "include/core/SkSerialProcs.h"
#include "include/core/SkSurface.h"
#include "include/private/chromium/SkChromeRemoteGlyphCache.h"
#include "include/private/chromium/Slug.h"
#include "src/core/SkDescriptor.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkTypeface_remote.h"
#include "src/core/SkWriteBuffer.h"
#include "src/gpu/MaskFormat.h"
#include "tests/CtsEnforcement.h"
#include "tests/Test.h"
#include "tools/ToolUtils.h"

#if defined(SK_GANESH)
#include "include/gpu/ganesh/GrDirectContext.h"
#include "include/gpu/ganesh/SkSurfaceGanesh.h"
#endif

#if defined(SK_GRAPHITE)
#include "include/gpu/graphite/Context.h"
#include "include/gpu/graphite/Surface.h"
#include "tools/graphite/GraphiteTestContext.h"
#endif  // defined(SK_GRAPHITE)

#include <vector>
#include <cstring>

namespace {
class FakeDiscardableManager : public SkStrikeClient::DiscardableHandleManager {
public:
    bool deleteHandle(SkDiscardableHandleId) override { return false; }
    void notifyCacheMiss(SkStrikeClient::CacheMissType, int) override {}
    void notifyReadFailure(const ReadFailureData&) override {}
    void assertHandleValid(SkDiscardableHandleId) override {}
};

unsigned char kStrikeData[] = {
  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x07, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65,
  0x00, 0x00, 0x00, 0x65, 0xd8, 0x50, 0xda, 0x99, 0x4c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x63, 0x65, 0x72, 0x73, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x80, 0x41,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41,
  0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0x62, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00,
  0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x64, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41,
  0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00,
  0x08, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x08, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x66, 0x86, 0x07, 0xc2, 0x42,
  0x4c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x63, 0x65, 0x72, 0x73, 0x38, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x80, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x41, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x04, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00
};

unsigned char kDrawSlugOp[] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x00, 0x41,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f,
  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41,
  0x00, 0x00, 0x00, 0x41, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x86, 0x07, 0xc2, 0x42, 0x4c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x63, 0x65, 0x72, 0x73,
  0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x80, 0x41, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x10, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};

} // namespace

// TODO: We expect this test to correctly hit an SkUnreachable and then crash. That does not work
// with our current testing framework because we have no to "expect" a crash. So for now we will
// land this test with only the valid loop enabled, but to test this is working locally, you should
// change the loop to have both iterations.
static void run_atlas_oob_test(skiatest::Reporter* reporter, SkCanvas* canvas) {
    auto discardableManager = sk_make_sp<FakeDiscardableManager>();
    SkStrikeClient client(discardableManager, false);

    // 1. Prepare Strike Data
    if (!client.readStrikeData(kStrikeData, sizeof(kStrikeData))) {
        REPORTER_ASSERT(reporter, false, "Failed to read initial strike data");
    }

    // 2. Prepare and Execute DrawSlug ops
    SkPaint paint;
    for (int idx = 0; idx < 1; ++idx) {
//    for (int idx = 0; idx < 2; ++idx) {
        if (idx == 0) {
                kDrawSlugOp[0x48] = (unsigned char)skgpu::MaskFormat::kARGB;
        } else if (idx == 1) {
                kDrawSlugOp[0x48] = (unsigned char)skgpu::MaskFormat::kA8;
        }
        kDrawSlugOp[0xd8] = SkMask::kARGB32_Format;
        kDrawSlugOp[0xe0] = 0x99;

        auto slug = client.deserializeSlugForTest(kDrawSlugOp, sizeof(kDrawSlugOp));
        if (slug) {
            slug->draw(canvas, paint);
        }
    }

}

#if defined(SK_GANESH)
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(Atlas_Oob_ganesh,
                                       reporter,
                                       ctxInfo,
                                       CtsEnforcement::kApiLevel_202604) {
    auto dContext = ctxInfo.directContext();
    SkImageInfo info = SkImageInfo::MakeN32Premul(1024, 1024);
    auto surface = SkSurfaces::RenderTarget(dContext, skgpu::Budgeted::kNo, info);
    if (!surface) return;
    auto canvas = surface->getCanvas();

    run_atlas_oob_test(reporter, canvas);

    dContext->flushAndSubmit();
}
#endif // defined(SK_GANESH)

#if defined(SK_GRAPHITE)
DEF_GRAPHITE_TEST_FOR_RENDERING_CONTEXTS(Atlas_Oob_graphite,
                                         reporter,
                                         context,
                                         CtsEnforcement::kApiLevel_202604) {
    using namespace skgpu::graphite;
    std::unique_ptr<Recorder> recorder = context->makeRecorder();
    SkImageInfo info = SkImageInfo::MakeN32Premul(1024, 1024);
    auto surface = SkSurfaces::RenderTarget(recorder.get(), info);
    if (!surface) return;
    auto canvas = surface->getCanvas();

    run_atlas_oob_test(reporter, canvas);

    std::unique_ptr<Recording> recording = recorder->snap();
    InsertRecordingInfo recordingInfo;
    recordingInfo.fRecording = recording.get();
    context->insertRecording(recordingInfo);
    context->submit();
}
#endif // defined(SK_GRAPHITE)