/*
 * Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;
using System.IO;
using System.Runtime;
using System.Threading.Tasks;

namespace Tizen.Runtime
{
    public class Profiler
    {
        const string profilePath = "/home/owner/data/.__tizen_candidate_profile_data";

        private static void stop()
        {
            Console.WriteLine("Stop profile and write collected data");
            ProfileOptimization.StartProfile(null);
        }

        public static void StopProfileAfterDelay(int sec)
        {
            Console.WriteLine($"Stop profile after {sec} sec");
            Task.Delay(sec * 1000).ContinueWith(_ => stop());
        }

        public static void SetCandidateProcessProfile()
        {
            try
            {
                if (File.Exists(profilePath))
                {
                    Environment.SetEnvironmentVariable("COMPlus_MultiCoreJitNoProfileGather", "1");
                    Environment.SetEnvironmentVariable("COMPlus_MultiCoreJitMinNumCpus", "1");
                    ProfileOptimization.SetProfileRoot("");
                    ProfileOptimization.StartProfile(profilePath);
                    Console.WriteLine("Completed loading of profile data to the candidate process");
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.ToString());
            }
        }
    }
}