#include "MetaCoreFoundation/MetaCoreId.h"

#include <atomic>

namespace MetaCore {

namespace {

std::atomic<std::uint64_t> GMetaCoreNextId{1};

}  // namespace

MetaCoreId MetaCoreIdGenerator::Generate() {
    return GMetaCoreNextId.fetch_add(1, std::memory_order_relaxed);
}

void MetaCoreIdGenerator::EnsureAbove(MetaCoreId value) {
    std::uint64_t desired = value + 1;
    std::uint64_t current = GMetaCoreNextId.load(std::memory_order_relaxed);
    while (current < desired && !GMetaCoreNextId.compare_exchange_weak(current, desired, std::memory_order_relaxed)) {
    }
}

}  // namespace MetaCore