// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "dawn/wire/WireServer.h"
#include "dawn/wire/server/Server.h"

namespace dawn::wire {

WireServer::WireServer(const WireServerDescriptor& descriptor)
    : mImpl(server::Server::Create(*descriptor.procs,
                                   descriptor.serializer,
                                   descriptor.memoryTransferService,
                                   descriptor.useSpontaneousCallbacks)) {}

WireServer::~WireServer() {
    mImpl.reset();
}

const volatile char* WireServer::HandleCommands(const volatile char* commands, size_t size) {
    return mImpl->HandleCommands(commands, size);
}

bool WireServer::InjectBuffer(WGPUBuffer buffer, const Handle& handle, const Handle& deviceHandle) {
    return mImpl->InjectBuffer(buffer, handle, deviceHandle) == WireResult::Success;
}

bool WireServer::InjectTexture(WGPUTexture texture,
                               const Handle& handle,
                               const Handle& deviceHandle) {
    return mImpl->InjectTexture(texture, handle, deviceHandle) == WireResult::Success;
}

bool WireServer::InjectSurface(WGPUSurface surface,
                               const Handle& handle,
                               const Handle& instanceHandle) {
    return mImpl->InjectSurface(surface, handle, instanceHandle) == WireResult::Success;
}

bool WireServer::InjectInstance(WGPUInstance instance, const Handle& handle) {
    return mImpl->InjectInstance(instance, handle) == WireResult::Success;
}

WGPUDevice WireServer::GetDevice(uint32_t id, uint32_t generation) {
    return mImpl->GetDevice(id, generation);
}

bool WireServer::IsDeviceKnown(WGPUDevice device) const {
    return mImpl->IsDeviceKnown(device);
}

namespace server {
MemoryTransferService::MemoryTransferService() = default;

MemoryTransferService::~MemoryTransferService() = default;

MemoryTransferService::ReadHandle::ReadHandle() = default;

MemoryTransferService::ReadHandle::~ReadHandle() = default;

MemoryTransferService::WriteHandle::WriteHandle() = default;

MemoryTransferService::WriteHandle::~WriteHandle() = default;

void MemoryTransferService::WriteHandle::SetTarget(void* data) {
    mTargetData = static_cast<uint8_t*>(data);
}
void MemoryTransferService::WriteHandle::SetDataLength(size_t dataLength) {
    mDataLength = dataLength;
}
std::span<uint8_t> MemoryTransferService::WriteHandle::GetTarget() const {
    DAWN_ASSERT(mTargetData != nullptr);
    return std::span<uint8_t>(mTargetData, mDataLength);
}

}  // namespace server

}  // namespace dawn::wire