// MIT License
//
// Copyright (c) 2017-2025 Advanced Micro Devices, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#include "memorymanager.hpp"
#include <algorithm>

std::atomic<size_t> MemoryManager::HANDLE_COUNTER{1};
std::unordered_map<size_t, std::shared_ptr<MemoryManager>> MemoryManager::managers;
std::mutex MemoryManager::managers_map_mutex;

void CounterMemoryManager::CopyEvents(const aqlprofile_pmc_event_t* _events, size_t count) {
  events.reserve(count + 4);
  int num_flag_metrics = 0;
  for (size_t i = 0; i < count; i++) {
    events.push_back(EventRequest{_events[i], false});
    num_flag_metrics += _events[i].flags.raw != 0;
  }

  if (!num_flag_metrics) return;

  std::sort(events.begin(), events.end());

  std::vector<EventRequest> acc_requests;
  for (auto it = events.begin(); it != events.end(); it++) {
    if (!it->flags.raw) continue;

    if (it != events.begin()) {
      auto prev = std::prev(it);
      if (it->IsSameNoFlags(*prev) && (!prev->flags.raw || prev->bInternal)) continue;
    }

    EventRequest req = *it;
    req.bInternal = true;
    req.flags.raw = 0;
    acc_requests.push_back(req);
  }

  if (!acc_requests.size()) return;

  events.insert(events.end(), acc_requests.begin(), acc_requests.end());
  std::sort(events.begin(), events.end());
}