#include <math.h>
#include <iostream>
#include <conio.h>
#include <vector>
#include <string>
#include "svg.h"
using namespace std;

void
svg_begin(double width, double height)
{
    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
    cout << "<svg ";
    cout << "width='" << width << "' ";
    cout << "height='" << height << "' ";
    cout << "viewBox='0 0 " << width << " " << height << "' ";
    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
}

void
svg_end()
{
    cout << "</svg>\n";
}
void
svg_text(double left, double baseline, string text)
{
    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
}

void
svg_rect(double x, double y, double width, double height, string stroke, string fill)
{
    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />";

}


void
show_histogram_svg(const vector<size_t>& bins, size_t number_count)
{
    setlocale(LC_ALL, "Russian");
    int noi = 0;
    auto IMAGE_WIDTH = 0;
    const auto IMAGE_HEIGHT = 300;
    const auto TEXT_LEFT = 20;
    const auto TEXT_BASELINE = 20;
    const auto TEXT_WIDTH = 50;
    const auto BIN_HEIGHT = 30;
    const auto BLOCK_WIDTH = 10;
    const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
    //
    cerr << "Ââåäèòå æåëàåìóþ øèðèíó ñòðîêè";
    //cerr<<endl;
    cerr << "Ó÷òèòå, ÷òî îíà äîëæíà áûòü áîëüøå 70 è ìåíüøå 800, à òàêæå";
    // cerr<<endl;
    cerr << "áîëåå òðåòè êîëè÷åñâà ÷èñåë, óìíîæåííûõ íà øèðèíó áëîêà .  âàøåì ñëó÷àå áîëåå " << ((number_count * BLOCK_WIDTH) / 3) << " ";
    //cerr<<endl;
    //cin>>IMAGE_WIDTH;
    while (noi == 0)
    {
        cerr << " in cicle";
        //cerr<<endl;
        cin >> IMAGE_WIDTH;
        if ((IMAGE_WIDTH < 800) && (IMAGE_WIDTH > 70) && (IMAGE_WIDTH > (number_count * BLOCK_WIDTH) / 3))
        {
            noi = noi + 1;
        }

        if (IMAGE_WIDTH > 800)
        {
            cerr << " ß æå ñêàçàë ìåíüøå 800. Ââåäèòå çàíîâî";
            // cerr<<endl;
        }
        if (IMAGE_WIDTH < 70)
        {
            cerr << " ß æå ñêàçàë áîëüøå 70.Ââåäèòå çàíîâî";
            //cerr<<endl;
        }
        if (IMAGE_WIDTH < (number_count * BLOCK_WIDTH) / 3)
        {
            cerr << " ß æå ñêàçàë áîëüøå " << (number_count * BLOCK_WIDTH) / 3 << " Ââåäèòå çàíîâî";
            // cerr<<endl;
        }

    }



    //string k;
    //string m;
    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);

    double top = 0; //ìàøòàáèðâîàíèå
    double max_count = bins[0];
    for (size_t i = 0; i < bins.size(); i++)
    {
        if (bins[i] > max_count)
            max_count = bins[i];
    }
    for (size_t bin : bins)
    {
        const double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * (bin / max_count);
        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
        /*/
        cout<<"Ââåäèòå öâåò 1 â ôîðìàòå #RRGGBB";
        cin>> k;
        cout<<endl;
        cout<<"Ââåäèòå öâåò 2 â ôîðìàòå #RRGGBB";
        cin >> m;
        /*/
        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "#00CCFF" /*/k/*/, "#0000FF" /*/m/*/);
        top += BIN_HEIGHT;
    }

    svg_end();
}