#include "ToolAddRect.h"
#include <GL/gl.h>


Room ToolAddRect::createRoom() {
  const Vertex *v2 = editManager->getHoveredVertex();
  
  Room room;
  room.addVertex(v1);
  room.addVertex(Vertex(v1.getX(), v2->getY()));
  room.addVertex(*v2);
  room.addVertex(Vertex(v2->getX(), v1.getY()));
  
  return room;
}

ToolAddRect::ToolAddRect(EditManager *editManager) : Renderer(editManager), sidebar(editManager) {
  this->editManager = editManager;
  
  pressed = false;
  
  image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
  g_object_ref_sink(G_OBJECT(image));
}

ToolAddRect::~ToolAddRect() {
  g_object_unref(G_OBJECT(image));
}

void ToolAddRect::activate() {
  editManager->setSelectedObject(NULL);
}

void ToolAddRect::render(const Level &level, const Rectangle &rect, float scale) {
  if(!pressed || !editManager->getHoveredVertex())
    return;
  
  Room room = createRoom();
  
  if(editManager->polygonOk(room.getPolygon()))
    glColor4f(0.0f, 0.7f, 1.0f, 0.2f);
  else
    glColor4f(1.0f, 0.3f, 0.3f, 0.2f);
  
  fillPolygon(room.getPolygon());
  
  glLineWidth(2.0f);
  glColor4f(0.0f, 0.7f, 1.0f, 0.7f);
  drawPolygon(room.getPolygon());
}

bool ToolAddRect::buttonPress(unsigned int button, const Vertex *v) {
  if(button != 1)
    return false;
  
  if(!v)
    return false;
  
  if(!editManager->vertexOk(*v))
    return false;
  
  pressed = true;
  v1 = *v;
  
  editManager->redraw();
  sidebar.update();
  
  return true;
}

bool ToolAddRect::buttonRelease(unsigned int button, const Vertex *v) {
  if(button != 1 || !pressed)
    return false;
  
  pressed = false;
  
  if(v) {
    Room room = createRoom();
    
    if(editManager->polygonOk(room.getPolygon())) {
      editManager->addRoom(room);
      
      editManager->redraw();
      sidebar.update();
      
      return true;
    }
  }
  
  editManager->redraw();
  sidebar.update();
  
  return false;
}