#include "histogram.h"
#include <iostream>
#include <vector>
using namespace std;
static void find_minmax(const vector<double>& numbers, double& minN, double& maxN){
    minN = numbers[0];
    maxN = numbers[0];
    for (double x : numbers){
        if (x < minN){
            minN = x;
        }
        else if (x > maxN) {
            maxN = x;
        }
    }
}

vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count){
    double minN, maxN;
    find_minmax(numbers, minN, maxN);
    vector <size_t> bins(bin_count);
    double diff = (maxN - minN) / bin_count;
    size_t max_count = 0;
    for (size_t i = 0; i <numbers.size() ; i++){
        bool found = false;
        for (size_t j = 0; (j < bin_count - 1) && !found; j++){
            auto lo = minN + j * diff;
            auto hi = minN + (j + 1) * diff;
            if ((lo <= numbers[i]) && (hi > numbers[i])){
                bins[j]++;
                if (bins[j] > max_count){
                    max_count = bins[j];
                }
                found = true;
            }
        }
        if(!found){
                bins[bin_count - 1]++;
                if (bins[bin_count - 1] > max_count){
                    max_count = bins[bin_count - 1];
                }
            }
    }
    return bins;
}