// SPDX-License-Identifier: BSD-2-Clause
/* Copyright (C) 2015 - 2020 Intel Corporation. */
#pragma once

#include "VectorIterator.hpp"
#include "Configuration.hpp"
#include <vector>
#include <cstdlib>

class FunctionCalls
{
public:
    enum {FREE, MALLOC, CALLOC, REALLOC, NUM_OF_FUNCTIONS};

    static const std::string function_name(unsigned type)
    {
        static std::string names[] = {"free", "malloc", "calloc", "realloc"};

        if(type >= NUM_OF_FUNCTIONS) assert(!"Invalidate input argument!");

        return names[type];
    }

    static unsigned function_type(const std::string &name)
    {
        for (unsigned i=0; i<NUM_OF_FUNCTIONS; i++) {
            if(function_name(i) == name)
                return i;
        }

        assert(!"Invalid input argument!");
    }

    static VectorIterator<int> generate_random_allocator_func_calls(int call_num,
                                                                    int seed, TypesConf func_calls)
    {
        std::vector<unsigned> avail_types;

        std::srand(seed);
        std::vector<int> calls;

        for (int i=0; i<call_num; i++) {
            int index;
            do {
                index = rand() % (NUM_OF_FUNCTIONS);
            } while(!func_calls.is_enabled(index));

            calls.push_back(index);
        }

        return VectorIterator<int>::create(calls);
    }

};