//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
//| 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 <gui/preferences_window.hpp>
#include <gui/update_checker.hpp>
#include <data/settings.hpp>
#include <util/window_id.hpp>
#include <util/io/package_manager.hpp>
#include <wx/spinctrl.h>
#include <wx/filename.h>
#include <wx/notebook.h>

// use a combo box for the zoom choices instead of a spin control
#define USE_ZOOM_COMBOBOX 1

// ----------------------------------------------------------------------------- : Preferences pages

// A page from the preferences dialog
class PreferencesPage : public wxPanel {
public:
  PreferencesPage(Window* parent)
    : wxPanel(parent, wxID_ANY)
  {}
  
  /// Stores the settings from the panel in the global settings object
  virtual void store() = 0;
};

// Preferences page for global MSE settings
class GlobalPreferencesPage : public PreferencesPage {
public:
  GlobalPreferencesPage(Window* parent);
  void store() override;  
  
private:
  wxComboBox* language;
  wxCheckBox* open_sets_in_new_window;
};

// Preferences page for card viewing related settings
class DisplayPreferencesPage : public PreferencesPage {
public:
  DisplayPreferencesPage(Window* parent);
  void store() override;  
  
private:
  DECLARE_EVENT_TABLE();
  
  wxCheckBox* high_quality, *borders, *draw_editing, *spellcheck_enabled;
  #if USE_ZOOM_COMBOBOX
    wxComboBox* zoom;
    int zoom_int;
  #else
    wxSpinCtrl* zoom;
  #endif
  wxCheckBox* non_normal_export;
  
  void onSelectColumns(wxCommandEvent&);
  #if USE_ZOOM_COMBOBOX
    void onZoomChange(wxCommandEvent&);
    void updateZoom();
  #endif
};

// Preferences page for directories of programs
// i.e. Apprentice, Magic Workstation
// perhaps in the future also directories for packages?
class DirsPreferencesPage : public PreferencesPage {
public:
  DirsPreferencesPage(Window* parent);
  void store() override;
  
private:
  DECLARE_EVENT_TABLE();
  
  wxTextCtrl* apprentice;
  
  void onApprenticeBrowse(wxCommandEvent&);
};

// Preferences page for automatic updates
class UpdatePreferencesPage : public PreferencesPage {
public:
  UpdatePreferencesPage(Window* parent);
  void store() override;
  
private:
  DECLARE_EVENT_TABLE();
  
  wxChoice* check_at_startup;
  
  // check for updates
  void onCheckUpdatesNow(wxCommandEvent&);
};


// ----------------------------------------------------------------------------- : PreferencesWindow

PreferencesWindow::PreferencesWindow(Window* parent)
  : wxDialog(parent, wxID_ANY, _TITLE_("preferences"), wxDefaultPosition)
{
  // init notebook
  wxNotebook* nb = new wxNotebook(this, ID_NOTEBOOK);
  nb->AddPage(new GlobalPreferencesPage (nb), _TITLE_("global"));
  nb->AddPage(new DisplayPreferencesPage(nb), _TITLE_("display"));
  nb->AddPage(new DirsPreferencesPage   (nb), _TITLE_("directories"));
  nb->AddPage(new UpdatePreferencesPage (nb), _TITLE_("updates"));
  
  // init sizer
  wxSizer* s = new wxBoxSizer(wxVERTICAL);
  s->Add(nb,                                 1, wxEXPAND | (wxALL & ~wxBOTTOM), 8);
  s->AddSpacer(4);
  s->Add(CreateButtonSizer(wxOK | wxCANCEL), 0, wxEXPAND | (wxALL & ~wxTOP),    8);
  s->SetSizeHints(this);
  SetSizer(s);
}

void PreferencesWindow::onOk(wxCommandEvent&) {
  // store each page
  wxNotebook* nb = static_cast<wxNotebook*>(FindWindow(ID_NOTEBOOK));
  size_t count = nb->GetPageCount();
  for (size_t i = 0 ; i < count ; ++i) {
    static_cast<PreferencesPage*>(nb->GetPage(i))->store();
  }
  // close
  EndModal(wxID_OK);
}

BEGIN_EVENT_TABLE(PreferencesWindow, wxDialog)
  EVT_BUTTON       (wxID_OK, PreferencesWindow::onOk)
END_EVENT_TABLE  ()


// ----------------------------------------------------------------------------- : Preferences page : global

bool compare_package_name(const PackagedP& a, const PackagedP& b) {
  return a->name() < b->name();
}

GlobalPreferencesPage::GlobalPreferencesPage(Window* parent)
  : PreferencesPage(parent)
{
  // init controls
  language = new wxComboBox(this, wxID_ANY, _(""), wxDefaultPosition, wxDefaultSize, 0, nullptr, wxCB_READONLY);
  open_sets_in_new_window = new wxCheckBox(this, wxID_ANY, _BUTTON_("open sets in new window"));
  // set values
  vector<PackagedP> locales;
  package_manager.findMatching(_("*.mse-locale"), locales);
  sort(locales.begin(), locales.end(), compare_package_name);
  int n = 0;
  FOR_EACH(package, locales) {
    language->Append(package->name() + _(": ") + package->full_name, package.get());
    if (settings.locale == package->name()) {
      language->SetSelection(n);
    }
    n++;
  }
  open_sets_in_new_window->SetValue(settings.open_sets_in_new_window);
  // init sizer
  wxSizer* s = new wxBoxSizer(wxVERTICAL);
  s->SetSizeHints(this);
    wxSizer* s2 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("language"));
      s2->Add(new wxStaticText(this, wxID_ANY, _LABEL_("app language")), 0,             wxALL,          4);
      s2->Add(language,                                                  0, wxEXPAND | (wxALL & ~wxTOP), 4);
      s2->Add(new wxStaticText(this, wxID_ANY, _HELP_( "app language")), 0,             wxALL,          4);
    s->Add(s2, 0, wxEXPAND | wxALL, 8);
    wxSizer* s3 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("windows"));
      s3->Add(open_sets_in_new_window, 0, wxALL, 4);
    s->Add(s3, 0, wxEXPAND | (wxALL & ~wxTOP), 8);
  SetSizer(s);
}

void GlobalPreferencesPage::store() {
  // locale
  int n = language->GetSelection();
  if (n == wxNOT_FOUND) return;
  Packaged* p = (Packaged*)language->GetClientData(n);
  settings.locale = p->name();
  // set the_locale?
  // open_sets_in_new_window
  settings.open_sets_in_new_window = open_sets_in_new_window->GetValue();
}

// ----------------------------------------------------------------------------- : Preferences page : display

DisplayPreferencesPage::DisplayPreferencesPage(Window* parent)
  : PreferencesPage(parent)
{
  // init controls
  high_quality       = new wxCheckBox(this, wxID_ANY, _BUTTON_("high quality"));
  borders            = new wxCheckBox(this, wxID_ANY, _BUTTON_("show lines"));
  draw_editing       = new wxCheckBox(this, wxID_ANY, _BUTTON_("show editing hints"));
  spellcheck_enabled = new wxCheckBox(this, wxID_ANY, _BUTTON_("spellcheck enabled"));
  #if USE_ZOOM_COMBOBOX
    zoom              = new wxComboBox(this, ID_ZOOM);
  #else
    zoom              = new wxSpinCtrl(this, ID_ZOOM);
  #endif
  non_normal_export = new wxCheckBox(this, wxID_ANY, _BUTTON_("zoom export"));
  //wxButton* columns = new wxButton(this, ID_SELECT_COLUMNS, _BUTTON_("select"));
  // set values
  high_quality->      SetValue( settings.default_stylesheet_settings.card_anti_alias());
  borders->           SetValue( settings.default_stylesheet_settings.card_borders());
  draw_editing->      SetValue( settings.default_stylesheet_settings.card_draw_editing());
  spellcheck_enabled->SetValue( settings.default_stylesheet_settings.card_spellcheck_enabled());
  non_normal_export-> SetValue(!settings.default_stylesheet_settings.card_normal_export());
  #if USE_ZOOM_COMBOBOX
    zoom_int = static_cast<int>(settings.default_stylesheet_settings.card_zoom() * 100);
    zoom->SetValue(String::Format(_("%d%%"),zoom_int));
    int choices[] = {50,66,75,100,120,150,200};
    for (unsigned int i = 0 ; i < sizeof(choices)/sizeof(choices[0]) ; ++i) {
      zoom->Append(String::Format(_("%d%%"),choices[i]));
    }
  #else
    zoom->SetRange(1, 1000);
    zoom->             SetValue(static_cast<int>(settings.default_stylesheet_settings.card_zoom() * 100));
  #endif
  // init sizer
  wxSizer* s = new wxBoxSizer(wxVERTICAL);
    wxSizer* s2 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("card display"));
      s2->Add(high_quality,       0, wxEXPAND | wxALL, 4);
      s2->Add(borders,            0, wxEXPAND | wxALL, 4);
      s2->Add(draw_editing,       0, wxEXPAND | wxALL, 4);
      s2->Add(spellcheck_enabled, 0, wxEXPAND | wxALL, 4);
      wxSizer* s3 = new wxBoxSizer(wxHORIZONTAL);
        s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("zoom")),             0, wxALL & ~wxLEFT,  4);
        s3->AddSpacer(2);
        s3->Add(zoom);
        s3->Add(new wxStaticText(this, wxID_ANY, _LABEL_("percent of normal")),1, wxALL & ~wxRIGHT, 4);
      s2->Add(s3, 0, wxEXPAND | wxALL, 4);
      s2->Add(non_normal_export,0, wxEXPAND | wxALL, 4);
      s2->Add(new wxStaticText(this, wxID_ANY,     _HELP_("zoom export")),       0, wxALL & ~wxTOP, 4);
    s->Add(s2, 0, wxEXPAND | wxALL, 8);
    /*
    wxSizer* s4 = new wxStaticBoxSizer(wxVERTICAL, this, _("Card List"));
      wxSizer* s5 = new wxBoxSizer(wxHORIZONTAL);
        s5->Add(new wxStaticText(this, wxID_ANY, _("Columns: ")),      0, wxALL & ~wxLEFT | wxEXPAND, 4);
        s5->Add(columns);
      s4->Add(s5, 0, wxEXPAND | wxALL, 4);
    s->Add(s4, 0, wxEXPAND | wxALL & ~wxTOP, 8);
    */
  s->SetSizeHints(this);
  SetSizer(s);
}

void DisplayPreferencesPage::store() {
  settings.default_stylesheet_settings.card_anti_alias         = high_quality->GetValue();
  settings.default_stylesheet_settings.card_borders            = borders->GetValue();
  settings.default_stylesheet_settings.card_draw_editing       = draw_editing->GetValue();
  settings.default_stylesheet_settings.card_spellcheck_enabled = spellcheck_enabled->GetValue();
  #if USE_ZOOM_COMBOBOX
    updateZoom();
    settings.default_stylesheet_settings.card_zoom          = zoom_int / 100.0;
  #else
    settings.default_stylesheet_settings.card_zoom          = zoom->GetValue() / 100.0;
  #endif
  settings.default_stylesheet_settings.card_normal_export = !non_normal_export->GetValue();
}

void DisplayPreferencesPage::onSelectColumns(wxCommandEvent&) {
  // Impossible, set specific
}

#if USE_ZOOM_COMBOBOX
  void DisplayPreferencesPage::onZoomChange(wxCommandEvent&) {
    updateZoom();
  }
  void DisplayPreferencesPage::updateZoom() {
    String s = zoom->GetValue();
    int i = zoom_int;
    if (wxSscanf(s.c_str(),_("%u"),&i)) {
      zoom_int = min(max(i,1),1000);
    }
    zoom->SetValue(String::Format(_("%d%%"),(int)zoom_int));
  }
#endif

BEGIN_EVENT_TABLE(DisplayPreferencesPage, wxPanel)
  EVT_BUTTON       (ID_SELECT_COLUMNS, DisplayPreferencesPage::onSelectColumns)
  #if USE_ZOOM_COMBOBOX
    EVT_COMBOBOX     (ID_ZOOM, DisplayPreferencesPage::onZoomChange)
    EVT_TEXT_ENTER   (ID_ZOOM, DisplayPreferencesPage::onZoomChange)
  #endif
END_EVENT_TABLE  ()


// ----------------------------------------------------------------------------- : Preferences page : directories

DirsPreferencesPage::DirsPreferencesPage(Window* parent)
  : PreferencesPage(parent)
{
  // init controls
  apprentice   = new wxTextCtrl(this, wxID_ANY);
  wxButton* ab = new wxButton(this, ID_APPRENTICE_BROWSE, _BUTTON_("browse"));
  // set values
  apprentice->SetValue(settings.apprentice_location);
  // init sizer
  wxSizer* s = new wxBoxSizer(wxVERTICAL);
    wxSizer* s2 = new wxStaticBoxSizer(wxVERTICAL, this, _LABEL_("external programs"));
      s2->Add(new wxStaticText(this, wxID_ANY, _LABEL_("apprentice")), 0, wxALL, 4);
      wxSizer* s3 = new wxBoxSizer(wxHORIZONTAL);
        s3->Add(apprentice, 1, wxEXPAND | wxRIGHT, 4);
        s3->Add(ab,         0, wxEXPAND);
      s2->Add(s3, 0, wxEXPAND | (wxALL & ~wxTOP), 4);
    s->Add(s2, 0, wxEXPAND | wxALL, 8);
  s->SetSizeHints(this);
  SetSizer(s);
}

void DirsPreferencesPage::store() {
  settings.apprentice_location = apprentice->GetValue();
}

void DirsPreferencesPage::onApprenticeBrowse(wxCommandEvent&) {
  // browse for appr.exe
  wxFileDialog dlg(this, _TITLE_("locate apprentice"), apprentice->GetValue(), _(""), _LABEL_("apprentice exe") + _("|appr.exe"), wxFD_OPEN);
  if (dlg.ShowModal() == wxID_OK) {
    wxFileName fn(dlg.GetPath());
    apprentice->SetValue(fn.GetPath());
  }
}
  
BEGIN_EVENT_TABLE(DirsPreferencesPage, wxPanel)
  EVT_BUTTON     (ID_APPRENTICE_BROWSE, DirsPreferencesPage::onApprenticeBrowse)
END_EVENT_TABLE  ();


// ----------------------------------------------------------------------------- : Preferences page : updates

UpdatePreferencesPage::UpdatePreferencesPage(Window* parent)
  : PreferencesPage(parent)
{
  // init controls
  check_at_startup    = new wxChoice(this, wxID_ANY);
  wxButton* check_now = new wxButton(this, ID_CHECK_UPDATES_NOW, _BUTTON_("check now"));
  // set values
  check_at_startup->Append(_BUTTON_("always"));                        // 0
  check_at_startup->Append(_BUTTON_("if internet connection exists")); // 1
  check_at_startup->Append(_BUTTON_("never"));                         // 2
  check_at_startup->SetSelection(settings.check_updates);
  // init sizer
  wxSizer* s = new wxBoxSizer(wxVERTICAL);
    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("check at startup")), 0, wxALL, 8);
    s->Add(check_at_startup, 0, wxALL & ~wxTOP, 8);
    s->Add(check_now,        0, wxALL & ~wxTOP, 8);
    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("checking requires internet")), 0, wxALL & ~wxTOP, 8);
  SetSizer(s);
}

void UpdatePreferencesPage::store() {
  int sel = check_at_startup->GetSelection();
  if      (sel == 0) settings.check_updates = CHECK_ALWAYS;
  else if (sel == 1) settings.check_updates = CHECK_IF_CONNECTED;
  else               settings.check_updates = CHECK_NEVER;
}

void UpdatePreferencesPage::onCheckUpdatesNow(wxCommandEvent&) {
  check_updates_now(false);
  if (!update_data_found()) {
    wxMessageBox(_ERROR_("checking updates failed"), _TITLE_("update check"), wxICON_ERROR | wxOK);
  } else if (!update_available()) {
    wxMessageBox(_ERROR_("no updates"),              _TITLE_("update check"), wxICON_INFORMATION | wxOK);
  } else {
    show_update_dialog(GetParent());
  }
}

BEGIN_EVENT_TABLE(UpdatePreferencesPage, wxPanel)
  EVT_BUTTON      (ID_CHECK_UPDATES_NOW, UpdatePreferencesPage::onCheckUpdatesNow)
END_EVENT_TABLE  ()
