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#include "src/dawn/node/binding/GPUResourceTable.h"

#include <utility>

#include "src/dawn/node/binding/Converter.h"

namespace wgpu::binding {

////////////////////////////////////////////////////////////////////////////////
// wgpu::bindings::GPUResourceTable
////////////////////////////////////////////////////////////////////////////////
GPUResourceTable::GPUResourceTable(const wgpu::ResourceTableDescriptor& desc,
                                   wgpu::ResourceTable table)
    : table_(std::move(table)), label_(CopyLabel(desc.label)) {}

std::string GPUResourceTable::getLabel(Napi::Env) {
    return label_;
}

void GPUResourceTable::setLabel(Napi::Env, std::string value) {
    table_.SetLabel(std::string_view(value));
    label_ = value;
}

void GPUResourceTable::destroy(Napi::Env) {
    table_.Destroy();
}

interop::GPUSize32Out GPUResourceTable::getSize(Napi::Env) {
    return table_.GetSize();
}

void GPUResourceTable::update(Napi::Env env,
                              interop::GPUIndex32 slot,
                              interop::GPUBindingResource resource) {
    Converter conv(env);

    wgpu::BindingResource binding{};
    if (!conv(binding, resource)) {
        return;
    }

    if (table_.Update(slot, &binding) != wgpu::Status::Success) {
        Errors::OperationError(env).ThrowAsJavaScriptException();
    }
}

interop::GPUIndex32 GPUResourceTable::insert(Napi::Env env, interop::GPUBindingResource resource) {
    Converter conv(env);

    wgpu::BindingResource binding{};
    if (!conv(binding, resource)) {
        return 0;  // Unused as an exception is thrown.
    }

    uint32_t slot = table_.Insert(&binding);

    if (slot == wgpu::kInvalidBinding) {
        Errors::OperationError(env).ThrowAsJavaScriptException();
    }
    return slot;
}

void GPUResourceTable::remove(Napi::Env env, interop::GPUIndex32 slot) {
    if (table_.Remove(slot) != wgpu::Status::Success) {
        Errors::OperationError(env).ThrowAsJavaScriptException();
    }
}

}  // namespace wgpu::binding