#include "cru/ui/mapper/ColorMapper.hpp"

namespace cru::ui::mapper {
bool ColorMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
  return node->GetTag() == u"Color";
}

std::unique_ptr<Color> ColorMapper::DoMapFromString(String str) {
  auto c = Color::Parse(str);
  if (!c) {
    throw Exception(u"Invalid color value.");
  }
  return std::make_unique<Color>(*c);
}

std::unique_ptr<Color> ColorMapper::DoMapFromXml(xml::XmlElementNode* node) {
  auto value_attr = node->GetOptionalAttribute(u"value");
  if (!value_attr) {
    return std::make_unique<Color>(colors::transparent);
  }
  return DoMapFromString(*value_attr);
}
}  // namespace cru::ui::mapper