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#ifndef SRC_DAWN_NATIVE_WEBGPU_QUEUEWGPU_H_
#define SRC_DAWN_NATIVE_WEBGPU_QUEUEWGPU_H_

#include <deque>
#include <memory>
#include <utility>

#include "src/dawn/common/MutexProtected.h"
#include "src/dawn/native/Queue.h"
#include "src/dawn/native/webgpu/Forward.h"
#include "src/dawn/native/webgpu/ObjectWGPU.h"

namespace dawn::native::webgpu {

class CaptureContext;

class Queue final : public QueueBase, public ObjectWGPU<WGPUQueue> {
  public:
    static ResultOrError<Ref<Queue>> Create(Device* device, const QueueDescriptor* descriptor);

    bool IsCapturing() const;
    MaybeError SetCaptureContext(std::unique_ptr<CaptureContext> captureContext);
    CaptureContext* GetCaptureContext() const;

    // Returns a SharedFence wrapping the inner SharedFence handle.
    ResultOrError<Ref<SharedFence>> GetOrCreateSharedFence(WGPUSharedFence innerFence);

  private:
    Queue(Device* device, const QueueDescriptor* descriptor);
    MaybeError SubmitImpl(Span<CommandBufferBase* const> commands) override;
    MaybeError WriteBufferImpl(BufferBase* buffer,
                               uint64_t bufferOffset,
                               Span<const std::byte> data) override;
    MaybeError WriteTextureImpl(const TexelCopyTextureInfo& destination,
                                Span<const std::byte> data,
                                const TexelCopyBufferLayout& dataLayout,
                                const Extent3D& writeSizePixel) override;
    ResultOrError<ExecutionSerial> CheckAndUpdateCompletedSerials() override;
    void ForceEventualFlushOfCommands() override;
    bool HasPendingCommands() const override;
    MaybeError SubmitPendingCommandsImpl() override;
    ResultOrError<ExecutionSerial> WaitForQueueSerialImpl(ExecutionSerial waitSerial,
                                                          Nanoseconds timeout) override;
    MaybeError WaitForIdleForDestructionImpl() override;
    void DestroyImpl(DestroyReason reason) override;
    MaybeError SubmitFutureSync();

    MutexProtected<std::deque<std::pair<WGPUFuture, ExecutionSerial>>> mFuturesInFlight;
    Ref<SharedFence> mSharedFence;
    bool mHasPendingCommands = false;

    std::unique_ptr<CaptureContext> mCaptureContext;
};

}  // namespace dawn::native::webgpu

#endif  // SRC_DAWN_NATIVE_WEBGPU_QUEUEWGPU_H_