#include "BaseGameTab.hpp"
#include "AppendGameDialog.hpp"
#include <wx/filename.h>

wxDEFINE_EVENT(OPEN_GAME_EVENT, wxCommandEvent);


BaseGameTab::BaseGameTab(wxFrame *parent, std::string base_file, TabInfos *main_tab)
    : TabBase_TabGames(parent), base_file(base_file),
      base(NULL),main_tab(main_tab) {

  game_list->InsertColumn(0, L"id", wxLIST_FORMAT_LEFT, 50);
  game_list->InsertColumn(1, L"White", wxLIST_FORMAT_LEFT, 200);
  game_list->InsertColumn(2, L"Black", wxLIST_FORMAT_LEFT, 200);
  game_list->InsertColumn(3, L"Event", wxLIST_FORMAT_LEFT, 150);
  game_list->InsertColumn(4, L"Round", wxLIST_FORMAT_LEFT, 100);
  game_list->InsertColumn(5, L"Result", wxLIST_FORMAT_LEFT, 200);
  game_list->InsertColumn(6, L"ECO", wxLIST_FORMAT_LEFT, 200);

  this->Bind(wxEVT_BUTTON, &BaseGameTab::OnDelete, this, ID_DELETE_BUTTON);
  this->Bind(wxEVT_BUTTON, &BaseGameTab::OnSave, this, ID_SAVE_BUTTON);
  this->Bind(wxEVT_BUTTON, &BaseGameTab::OnExport, this, ID_EXPORT_BUTTON);
  this->Bind(wxEVT_LIST_ITEM_ACTIVATED, &BaseGameTab::OnOpenGame, this, wxID_ANY);
  this->Bind(wxEVT_BUTTON, &BaseGameTab::OnImport, this, ID_IMPORT_BUTTON);

  current_base->SetLabel(base_file);
  LoadFile();
}

void BaseGameTab::OnImport(wxCommandEvent &event) {
  AppendGameDialog *dia = new AppendGameDialog(this, base);
  dia->ShowModal();
  game_list->DeleteAllItems();
  deleted.clear();
  edited.clear();
  LoadFile();
}

void BaseGameTab::OnDelete(wxCommandEvent &event) {
  long selected = -1;

  while ((selected = game_list->GetNextItem(selected, wxLIST_NEXT_ALL,
                                            wxLIST_STATE_SELECTED)) !=
         wxNOT_FOUND) {
    wxListItem listItem;
    listItem.m_itemId = selected; // sets row
    listItem.m_col = 0;           // sets column
    game_list->GetItem(listItem); // gets item
    deleted.push_back(std::stoi(listItem.GetText().ToStdString()));
    for (std::uint32_t &i : deleted) {
      wxLogDebug("%d", i);
    }
    game_list->SetItemBackgroundColour(selected, *wxRED);
  }
}

void BaseGameTab::OnSave(wxCommandEvent &event) {
  std::vector<std::shared_ptr<GameBase>> new_games_bases;

  // Build edited games vector
  std::vector<std::shared_ptr<Game>> edited_games;
  for (auto itr = edited.begin(); itr != edited.end(); itr++) {
    edited_games.push_back(itr->second);
  }

  // Combine new_games and edited games
  std::vector<std::shared_ptr<Game>> new_games;
  new_games.insert(
      new_games.end(), edited_games.begin(),
      edited_games.end()); // Add edited game (since they are also deleted)
  base->Save(deleted, new_games_bases, new_games);
  
  // CLose all opened games in this database
  wxCommandEvent closeLinkedTabEvent(CLOSE_LINKED_TAB, GetId());
  closeLinkedTabEvent.SetClientData(main_tab);
  ProcessEvent(closeLinkedTabEvent);

  game_list->DeleteAllItems();
  edited.clear();
  deleted.clear();
  LoadFile();
}

void BaseGameTab::OnOpenGame(wxListEvent &event) {
  wxLogDebug("Open!");
  long id = std::stoi(event.GetItem().GetText().ToStdString());
  std::shared_ptr<Game> *g = new std::shared_ptr<Game>(base->GetGame(id));
  if (g != NULL) {
    edited[id]=*g;
    deleted.push_back(id);
    game_list->SetItemBackgroundColour(event.GetIndex(), *wxGREEN);
    wxCommandEvent openGameEvent(OPEN_GAME_EVENT, GetId());
    openGameEvent.SetEventObject(this);
    openGameEvent.SetClientData(g);
    ProcessEvent(openGameEvent);
  }
}

void BaseGameTab::ApplyPreferences() {}

void BaseGameTab::OnExport(wxCommandEvent &event) {
  wxFileDialog openFileDialog(this, _("Export database"), "", "",
                              "Database files (*.pgn)|*.pgn",
                              wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
  if (openFileDialog.ShowModal() != wxID_CANCEL) {
    std::string path = openFileDialog.GetPath().ToStdString();
    wxFileName file(base_file);
    wxString ext = file.GetExt().Lower();
    GameBase *base;
    if (ext == "pgn") {
      base = new PGNGameBase(path);
      base->Export(this->base);
      delete base;
    }
  }
}

void BaseGameTab::LoadFile() {
  wxFileName file(base_file);
  wxString ext = file.GetExt().Lower();
  if (ext == "pgn") {
    base = std::shared_ptr<GameBase>(new PGNGameBase(base_file));
    SetLabel(file.GetName() + "(PGN)");
  }

  if (base != NULL) {
    long id = 0;
    while (base->NextGame()) {
      long index =
          game_list->InsertItem(0, std::to_string(id)); // want this for col. 1
      game_list->SetItem(index, 1, base->GetTag("White"));
      game_list->SetItem(index, 2, base->GetTag("Black"));
      game_list->SetItem(index, 3, base->GetTag("Event"));
      game_list->SetItem(index, 4, base->GetTag("Round"));
      game_list->SetItem(index, 5, base->GetTag("Result"));
      game_list->SetItem(index, 6, base->GetTag("ECO"));
      id++;
    }
  }

  wxCommandEvent event(REFRESH_TAB_TITLE, GetId());
  event.SetEventObject(this);
  ProcessEvent(event);
}