#include "paintings_pane.h"

#include <fmt/core.h>
#include <wx/dataview.h>

#include <map>
#include <set>

#include "ap_state.h"
#include "game_data.h"
#include "tracker_state.h"

namespace {

std::string GetPaintingDisplayName(const std::string& id) {
  const PaintingExit& painting = GD_GetPaintingExit(GD_GetPaintingByName(id));
  const MapArea& map_area = GD_GetMapArea(painting.map_area);

  return fmt::format("{} - {}", map_area.name, painting.display_name);
}

}  // namespace

PaintingsPane::PaintingsPane(wxWindow* parent) : wxPanel(parent, wxID_ANY) {
  wxStaticText* label = new wxStaticText(
      this, wxID_ANY, "Shuffled paintings grouped by destination:");
  tree_ctrl_ = new wxDataViewTreeCtrl(this, wxID_ANY);

  reveal_btn_ = new wxButton(this, wxID_ANY, "Reveal shuffled paintings");
  reveal_btn_->Disable();

  wxBoxSizer* top_sizer = new wxBoxSizer(wxVERTICAL);
  top_sizer->Add(label, wxSizerFlags().Border());
  top_sizer->Add(tree_ctrl_, wxSizerFlags().Expand().Proportion(1));
  top_sizer->Add(reveal_btn_, wxSizerFlags().Border().Expand());

  SetSizerAndFit(top_sizer);

  reveal_btn_->Bind(wxEVT_BUTTON, &PaintingsPane::OnClickRevealPaintings, this);
}

void PaintingsPane::ResetIndicators() {
  tree_ctrl_->DeleteAllItems();
  reveal_btn_->Enable(AP_IsPaintingShuffle());
}

void PaintingsPane::UpdateIndicators(const std::vector<std::string>&) {
  // TODO: Optimize this by using the paintings delta.

  tree_ctrl_->DeleteAllItems();

  std::map<std::string, std::set<std::string>> grouped_paintings;

  for (const auto& [from, to] : AP_GetPaintingMapping()) {
    if (IsPaintingReachable(GD_GetPaintingByName(from)) &&
        AP_IsPaintingChecked(from)) {
      grouped_paintings[GetPaintingDisplayName(to)].insert(
          GetPaintingDisplayName(from));
    }
  }

  for (const auto& [to, froms] : grouped_paintings) {
    wxDataViewItem tree_branch =
        tree_ctrl_->AppendContainer(wxDataViewItem(0), to);

    for (const std::string& from : froms) {
      tree_ctrl_->AppendItem(tree_branch, from);
    }
  }
}

void PaintingsPane::OnClickRevealPaintings(wxCommandEvent& event) {
  if (wxMessageBox("Clicking yes will reveal the mapping between all shuffled "
                   "paintings. This is usually considered a spoiler, and is "
                   "likely not allowed during competitions. This action is not "
                   "reversible. Are you sure you want to proceed?",
                   "Warning", wxYES_NO | wxICON_WARNING) == wxNO) {
    return;
  }

  AP_RevealPaintings();
}