#include "cru/platform/graphics/SvgGeometryBuilderMixin.h"
#include "cru/platform/Exception.h"

#include <string>

namespace cru::platform::graphics {
SvgGeometryBuilderMixin::SvgGeometryBuilderMixin() {}

SvgGeometryBuilderMixin::~SvgGeometryBuilderMixin() {}

Point SvgGeometryBuilderMixin::GetCurrentPosition() {
  throw PlatformUnsupportedException(
      GetPlatformId(), "GetCurrentPosition",
      "Svg-based geometry does not support get current position.");
}

void SvgGeometryBuilderMixin::MoveTo(const Point& point) {
  AppendCommand("M");
  Append(point);
}

void SvgGeometryBuilderMixin::RelativeMoveTo(const Point& offset) {
  AppendCommand("m");
  Append(offset);
}

void SvgGeometryBuilderMixin::LineTo(const Point& point) {
  AppendCommand("L");
  Append(point);
}

void SvgGeometryBuilderMixin::RelativeLineTo(const Point& offset) {
  AppendCommand("l");
  Append(offset);
}

void SvgGeometryBuilderMixin::CubicBezierTo(const Point& start_control_point,
                                            const Point& end_control_point,
                                            const Point& end_point) {
  AppendCommand("C");
  Append(start_control_point);
  Append(end_control_point);
  Append(end_point);
}

void SvgGeometryBuilderMixin::RelativeCubicBezierTo(
    const Point& start_control_offset, const Point& end_control_offset,
    const Point& end_offset) {
  AppendCommand("c");
  Append(start_control_offset);
  Append(end_control_offset);
  Append(end_offset);
}

void SvgGeometryBuilderMixin::QuadraticBezierTo(const Point& control_point,
                                                const Point& end_point) {
  AppendCommand("Q");
  Append(control_point);
  Append(end_point);
}

void SvgGeometryBuilderMixin::RelativeQuadraticBezierTo(
    const Point& control_offset, const Point& end_offset) {
  AppendCommand("q");
  Append(control_offset);
  Append(end_offset);
}

void SvgGeometryBuilderMixin::ArcTo(const Point& radius, float angle,
                                    bool is_large_arc, bool is_clockwise,
                                    const Point& end_point) {
  AppendCommand("A");
  Append(radius.x);
  Append(radius.y);
  Append(angle);
  Append(is_large_arc);
  Append(is_clockwise);
  Append(end_point);
}

void SvgGeometryBuilderMixin::RelativeArcTo(const Point& radius, float angle,
                                            bool is_large_arc,
                                            bool is_clockwise,
                                            const Point& end_offset) {
  AppendCommand("a");
  Append(radius.x);
  Append(radius.y);
  Append(angle);
  Append(is_large_arc);
  Append(is_clockwise);
  Append(end_offset);
}

void SvgGeometryBuilderMixin::CloseFigure(bool close) {
  if (close) AppendCommand("z");
}

void SvgGeometryBuilderMixin::ParseAndApplySvgPathData(
    std::string_view path_d) {
  AppendCommand(path_d);
}

void SvgGeometryBuilderMixin::AppendCommand(std::string_view command) {
  current_ += command;
  current_ += u' ';
}

void SvgGeometryBuilderMixin::Append(bool flag) {
  current_ += flag ? u'1' : u'0';
  current_ += u' ';
}

void SvgGeometryBuilderMixin::Append(float number) {
  current_ += std::to_string(number);
  current_ += u' ';
}

void SvgGeometryBuilderMixin::Append(const Point& point) {
  current_ += std::to_string(point.x);
  current_ += u',';
  current_ += std::to_string(point.y);
  current_ += u' ';
}
}  // namespace cru::platform::graphics