/*
Copyright 2010 Grégory Soutadé

This file is part of KissCount.

KissCount is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

KissCount is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with KissCount.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "UsersDialog.h"

enum {BUTTON_OK_ID=1, BUTTON_CANCEL_ID, BUTTON_NEW_USER_ID};

BEGIN_EVENT_TABLE(UsersDialog, wxDialog)
EVT_BUTTON(BUTTON_OK_ID, UsersDialog::OnOK)
EVT_BUTTON(BUTTON_CANCEL_ID, UsersDialog::OnCancel)
EVT_BUTTON(BUTTON_NEW_USER_ID, UsersDialog::OnNewUser)
END_EVENT_TABLE()

UsersDialog::UsersDialog(KissCount* kiss, wxUI *parent) : wxDialog(&(*parent), -1, _("Users")), _kiss(kiss), _wxUI(parent)
{
  wxGridBagSizer *gridBagSizer;
  wxStaticText* label;
  wxCommandEvent event;

  gridBagSizer = new wxGridBagSizer(4, 4);

  label = new wxStaticText(this, -1, _("User "));
  gridBagSizer->Add(label, wxGBPosition(0, 0));
  _users = new wxChoice(this, wxID_ANY);
  gridBagSizer->Add(_users, wxGBPosition(0, 1));

  label = new wxStaticText(this, -1, _("Password "));
  gridBagSizer->Add(label, wxGBPosition(1, 0));
  _password = new wxTextCtrl(this, wxID_ANY);
  gridBagSizer->Add(_password, wxGBPosition(1, 1));
      
  _password->SetWindowStyle(wxTE_PASSWORD);

  wxButton* ok = new wxButton(this, BUTTON_OK_ID, _("OK"));
  wxButton* cancel = new wxButton(this, BUTTON_CANCEL_ID, _("Cancel"));
  wxButton* newUser = new wxButton(this, BUTTON_NEW_USER_ID, _("New User"));
  gridBagSizer->Add(ok, wxGBPosition(3, 1));
  gridBagSizer->Add(cancel, wxGBPosition(3, 2));
  gridBagSizer->Add(newUser, wxGBPosition(3, 3));

  std::list<wxString> users_list = _kiss->GetUsers();
  
  for(std::list<wxString>::iterator i = users_list.begin(); i != users_list.end(); i++)
    {
      _users->Append(*i);
    }

  _users->Select(0);

  SetSizer(gridBagSizer);

  _users->SetFocus();
  Layout();
  Center();

  if (users_list.size() == 0)
    OnNewUser(event);
  else
    ShowModal();
}

void UsersDialog::OnOK(wxCommandEvent& event)
{
  // No users in database
  if (!_users->GetStringSelection().Length())
    {
      return;
    }

  if (!_kiss->IsValidUser(_users->GetStringSelection(), _password->GetLineText(0)))
    {
      wxMessageBox(_("Invalid password"), _("Error"), wxICON_ERROR | wxOK);
    }
  else
    {
      _kiss->LoadUser(_users->GetStringSelection());
      Close();
    }
}

void UsersDialog::OnCancel(wxCommandEvent& event)
{
  Close();
}

void UsersDialog::OnNewUser(wxCommandEvent& event)
{
  wxString name;
  wxTextEntryDialog u(this, wxT(""), _("New User"));
  
  if (u.ShowModal() == wxID_CANCEL)
    return;

  name = u.GetValue();

  if (!name.size()) return;
  
  if (_kiss->UserExists(name))
    {
      wxMessageBox(_("User ") + name + _(" already exists"), _("Error"), wxICON_ERROR | wxOK);
      return;
    }

  _kiss->NewUser(name);
  _kiss->LoadUser(name);

  Close();
}