#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 = "black",string fill = "black"){
    cout<<"<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height <<"' stroke='" << stroke <<"' fill= '"<< fill <<"'/>";
    }
void show_histogram_svg(const vector<size_t>& bins) {
    const auto IMAGE_WIDTH = 400;
    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;
    svg_begin(400, 300);
    double top = 0;
    for (size_t bin : bins) {
    const double bin_width = BLOCK_WIDTH * bin;
    svg_text(top + TEXT_BASELINE,TEXT_LEFT , to_string(bin));
    svg_rect((top+10),(TEXT_WIDTH-20) , BIN_HEIGHT,bin_width , "green", "#aaffee");
    top += BIN_HEIGHT;
    }
    svg_end();
}