/// @file
/// @brief Task2: tests

#include "task2.Circle.hpp"
#include "task2.Line.hpp"
#include "task2.Polyline.hpp"
#include "task2.aliases.hpp"

#include <cassert>  // assert
#include <iostream> // std::cout, sts::endl
#include <string>   // std::string

bool contains(const std::string& str, const std::string& pattern) { return str.find(pattern) != std::string::npos; }

bool check_defaults(const std::string& str) {
  if (!contains(str, "stroke-width='1'"))
    return false;
  if (!contains(str, "fill='none'"))
    return false;
  if (!contains(str, "stroke='black'"))
    return false;
  return true;
}

int main() {

  { // LineElement
    auto line = task2::Line{{0, 0}, {11, 12}};
    auto elem = task2::LineElement(line);
    auto openstr = elem.open();
    assert(check_defaults(openstr));
    assert(openstr.starts_with("<line"));
    assert(contains(openstr, "x1='0'"));
    assert(contains(openstr, "y1='0'"));
    assert(contains(openstr, "x2='11'"));
    assert(contains(openstr, "y2='12'"));
    assert(openstr.ends_with("/>"));
    assert(elem.text().empty() && elem.close().empty());
  }

  { // CircleElement
    auto circle = task2::Circle{{5, 6}, 5};
    auto elem = task2::CircleElement(circle);
    auto openstr = elem.open();
    assert(check_defaults(openstr));
    assert(openstr.starts_with("<circle"));
    assert(contains(openstr, "cx='5'"));
    assert(contains(openstr, "cy='6'"));
    assert(contains(openstr, "r='5'"));
    assert(openstr.ends_with("/>"));
    assert(elem.text().empty() && elem.close().empty());
  }

  { // PolylineElement
    auto polyline = task2::Polyline{{1, 2}, {3, 4}, {5, 6}};
    auto elem = task2::PolylineElement(polyline);
    auto openstr = elem.open();
    assert(check_defaults(openstr));
    assert(openstr.starts_with("<polyline"));
    assert(contains(openstr, "points="));
    assert(contains(openstr, "1,2 3,4 5,6"));
    assert(openstr.ends_with("/>"));
    assert(elem.text().empty() && elem.close().empty());
  }

  std::cout << "task2.test.cpp: all asserts passed" << std::endl;

  return 0;
}