#include "script_node_cell.h"
#include <kandinsky/point.h>
#include <escher.h>

namespace Code {

constexpr char ScriptNodeCell::k_parentheses[];
constexpr char ScriptNodeCell::k_parenthesesWithEmpty[];

void ScriptNodeCell::ScriptNodeView::drawRect(KDContext * ctx, KDRect rect) const {
  const KDColor backgroundColor = isHighlighted()? Palette::Select : KDColorWhite;

  // Draw the node name
  const char * nodeName = m_scriptNode->name();
  const int nodeNameLength = m_scriptNode->nameLength();
  const KDSize nameSize = k_font->stringSize(nodeName, nodeNameLength);
  const KDCoordinate nodeNameY = (rect.height() - nameSize.height()) / 2;
  ctx->drawString(nodeName, KDPoint(0, nodeNameY), k_font, KDColorBlack, backgroundColor, nodeNameLength);

  // If it is a function, draw the parentheses
  if (m_scriptNode->type() == ScriptNode::Type::Function) {
    ctx->drawString(ScriptNodeCell::k_parentheses, KDPoint(nameSize.width(), nodeNameY), k_font, KDColorBlack, backgroundColor);
  }
  if (m_scriptNode->scriptIndex() != ScriptNode::CurrentScriptIndex) {
    ctx->drawString(m_scriptStore->scriptAtIndex(m_scriptNode->scriptIndex()).fullName(), KDPoint(0, Metric::TableCellVerticalMargin + nameSize.height() + k_verticalMargin), k_font, Palette::GreyDark, backgroundColor);
  }
}

KDSize ScriptNodeCell::ScriptNodeView::minimalSizeForOptimalDisplay() const {
  if (m_scriptNode->name() == nullptr) {
    return KDSizeZero;
  }
  KDSize size1 = k_font->stringSize(m_scriptNode->name(), m_scriptNode->nameLength());
  KDSize size2 = m_scriptNode->scriptIndex() == ScriptNode::CurrentScriptIndex ? KDSizeZero : k_font->stringSize(m_scriptStore->scriptAtIndex(m_scriptNode->scriptIndex()).fullName());
  KDSize size3 = KDSizeZero;
  if (m_scriptNode->type() == ScriptNode::Type::Function) {
    size3 = k_font->stringSize(ScriptNodeCell::k_parentheses);
  }
  return KDSize(size1.width() + size3.width() > size2.width() ? size1.width() + size3.width() : size2.width(), Metric::TableCellVerticalMargin + size1.width() + k_verticalMargin + size2.width());
}

void ScriptNodeCell::setScriptNode(ScriptNode * scriptNode) {
  m_scriptNodeView.setScriptNode(scriptNode);
  reloadCell();
}

void ScriptNodeCell::setHighlighted(bool highlight) {
  TableCell::setHighlighted(highlight);
  m_scriptNodeView.setHighlighted(highlight);
}

void ScriptNodeCell::reloadCell() {
  layoutSubviews();
  HighlightCell::reloadCell();
}

}