/*
* Copyright (C) 2015 - 2018 Intel Corporation.
* All rights reserved.
*
* 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(s),
*    this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice(s),
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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(S) 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.
*/
#pragma once

#include <map>
#include <vector>

#include "Allocation_info.hpp"
#include "Configuration.hpp"
#include "FunctionCalls.hpp"

class MethodStats
{
public:
    MethodStats()
    {
        total_time = 0.0;
        average_time = 0;
        allocation_size = 0;
        samples_num = 0;
    }

    double total_time;
    double average_time;
    unsigned samples_num;
    size_t allocation_size;
};


class TimeStats
{
public:

    TimeStats()
    {
        allocated = 0;
        deallocated = 0;
    }

    std::map<unsigned, std::map<unsigned, MethodStats> > stats;

    TimeStats &operator+=(const std::vector<memory_operation> &data)
    {
        for (size_t i=0; i<data.size(); i++) {
            memory_operation tmp = data[i];
            MethodStats &method_stats = stats[tmp.allocator_type][tmp.allocation_method];
            method_stats.allocation_size += tmp.size_of_allocation;
            method_stats.total_time += tmp.total_time;
            method_stats.samples_num++;

            //Update average.
            double total_time = method_stats.total_time;
            double samples_num = method_stats.samples_num;
            double avg = total_time/samples_num;
            method_stats.average_time = avg;

            if(tmp.allocation_method != FunctionCalls::FREE) {
                allocated += tmp.size_of_allocation;
            } else {
                deallocated += tmp.size_of_allocation;
            }
        }

        return *this;
    }

    size_t get_allocated() const
    {
        return allocated;
    }
    size_t get_deallocated() const
    {
        return deallocated;
    }

private:
    size_t allocated;
    size_t deallocated;
};