//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make card games                |
//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
//| License:      GNU General Public License 2 or later (see file COPYING)     |
//+----------------------------------------------------------------------------+

// ----------------------------------------------------------------------------- : Includes

#include <util/prec.hpp>
#include <render/value/package_choice.hpp>
#include <util/io/package_manager.hpp>
#include <gui/util.hpp>

// ----------------------------------------------------------------------------- : PackageChoiceValueViewer

IMPLEMENT_VALUE_VIEWER(PackageChoice);

struct PackageChoiceValueViewer::ComparePackagePosHint {
  bool operator () (const PackagedP& a, const PackagedP& b) {
    // use position_hints to determine order
    if (a->position_hint < b->position_hint) return true;
    if (a->position_hint > b->position_hint) return false;
    // ensure a deterministic order: use the names
    return a->name() < b->name();
  }
};

void PackageChoiceValueViewer::initItems() {
  vector<PackagedP> choices;
  package_manager.findMatching(field().match, choices);
  sort(choices.begin(), choices.end(), ComparePackagePosHint());
  FOR_EACH(p, choices) {
    Item i;
    i.package_name = p->relativeFilename();
    i.name = capitalize_sentence(p->short_name);
    Image image;
    auto stream = p->openIconFile();
    if (stream && image_load_file(image, *stream)) {
      i.image = Bitmap(resample(image, 16,16));
    }
    items.push_back(i);
  }
}

void PackageChoiceValueViewer::draw(RotatedDC& dc) {
  drawFieldBorder(dc);
  // draw background
  if (nativeLook()) {
    dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
    dc.SetPen(*wxTRANSPARENT_PEN);
    dc.DrawRectangle(RealRect(0, 0, dc.getWidth(), dc.getHeight()));
  }
  // find item
  String text = value().package_name;
  Bitmap image;
  if (value().package_name.empty()) {
    text = field().empty_name;
  } else {
    FOR_EACH(i, items) {
      if (i.package_name == value().package_name) {
        text = i.name;
        image = i.image;
      }
    }
  }
  // draw image
  if (image.Ok()) {
    dc.DrawBitmap(image, RealPoint(0,0));
  }
  // draw text
  FontRef& font = style().font;
  Color font_color = font.color;
  RealSize margin(0, 0);
  if (nativeLook()) {
    font.color = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
    margin = RealSize(1., 0);
  }
  dc.SetFont(font, 1.0);
  RealPoint pos = align_in_rect(ALIGN_MIDDLE_LEFT, RealSize(0, dc.GetCharHeight()), dc.getInternalRect()) + RealSize(17., 0) + margin;
  dc.DrawTextWithShadowOrStroke(text, font, pos);
  if (nativeLook()) font.color = font_color;
}