diff --git a/databasewindow.cpp b/databasewindow.cpp
index 7923030..cd1b142 100644
--- a/databasewindow.cpp
+++ b/databasewindow.cpp
@@ -11,7 +11,7 @@ DatabaseWindow::~DatabaseWindow() {
     std::cout << "Deleting" << std::endl;
 }
 
-DatabaseWindow::DatabaseWindow( bool _linux, Curl &_c ) : c(_c), linux(_linux) {
+DatabaseWindow::DatabaseWindow( bool _linux ) : linux(_linux) {
     set_title( "Database" );
 
     set_default_size( 550, 350 );
@@ -48,13 +48,15 @@ DatabaseWindow::DatabaseWindow( bool _linux, Curl &_c ) : c(_c), linux(_linux) {
         row[m_columns_database.m_col_show] = x["SHOW"];
         row[m_columns_database.m_col_path] = x["PATH"];
         row[m_columns_database.m_col_lang] = x["LANGUAGE"];
-        row[m_columns_database.m_col_url] = x["URL"];
+        row[m_columns_database.m_col_show_id] = x["TVID"];
+        row[m_columns_database.m_col_dvd] = x["DVD"];
     }
 
     m_tree_database->append_column_editable( "Show", m_columns_database.m_col_show );
     m_tree_database->append_column_editable( "Path", m_columns_database.m_col_path );
     m_tree_database->append_column_editable( "Language", m_columns_database.m_col_lang );
-    m_tree_database->append_column_editable( "URL", m_columns_database.m_col_url );
+    m_tree_database->append_column_editable( "ID", m_columns_database.m_col_show_id );
+    m_tree_database->append_column_editable( "DVD", m_columns_database.m_col_dvd );
 
     m_button_save->signal_clicked().connect(
         sigc::mem_fun( *this, &DatabaseWindow::save ) );
@@ -73,13 +75,13 @@ void DatabaseWindow::save() {
         auto index = static_cast<size_t> ( x[m_columns_database.m_col_id] );
         if( changed_rows.find(index) != changed_rows.end() ) {
             auto index = static_cast< size_t > ( x[m_columns_database.m_col_id] );
-            auto show = static_cast< std::string > ( x[m_columns_database.m_col_show] );
             auto path = static_cast< std::string > ( x[m_columns_database.m_col_path] );
             auto lang = static_cast< std::string > ( x[m_columns_database.m_col_lang] );
-            auto url = static_cast< std::string > ( x[m_columns_database.m_col_url] );
-            std::cout << index << " " << show << " " << path << " " << lang << " " << url << std::endl;
-            changeDB( index, path, lang, url, c );
-            refreshSingleDB( index, linux, c );
+            auto show_id = static_cast< std::string > ( x[m_columns_database.m_col_show_id] );
+            bool dvd = static_cast< std::string > ( x[m_columns_database.m_col_dvd] ) == "1";
+            std::cout << index << " " << path << " " << lang << " " << show_id << " " << dvd << std::endl;
+            changeDB( index, path, lang, show_id, dvd );
+            refreshSingleDB( index, linux );
         }
     }
     cleanDB();
diff --git a/databasewindow.hpp b/databasewindow.hpp
index 4f5b4e2..5030346 100644
--- a/databasewindow.hpp
+++ b/databasewindow.hpp
@@ -19,7 +19,7 @@
 class DatabaseWindow : public Gtk::Window {
 public:
     DatabaseWindow() = delete;
-    DatabaseWindow( bool _linux, Curl &_c);
+    DatabaseWindow( bool _linux );
     virtual ~DatabaseWindow();
 
 private:
@@ -43,19 +43,20 @@ protected:
             add(m_col_show);
             add(m_col_path);
             add(m_col_lang);
-            add(m_col_url);
+            add(m_col_show_id);
+            add(m_col_dvd);
         }
         Gtk::TreeModelColumn< size_t > m_col_id;
         Gtk::TreeModelColumn< std::string > m_col_show;
         Gtk::TreeModelColumn< std::string > m_col_path;
         Gtk::TreeModelColumn< std::string > m_col_lang;
-        Gtk::TreeModelColumn< std::string > m_col_url;
+        Gtk::TreeModelColumn< std::string > m_col_show_id;
+        Gtk::TreeModelColumn< std::string > m_col_dvd;
     };
 
     DatabaseColumns m_columns_database;
     Glib::RefPtr< Gtk::ListStore > m_model;
 
-    Curl &c;
     bool linux;
 };
 
diff --git a/functions.hpp b/functions.hpp
index db2293a..dfcf5d0 100644
--- a/functions.hpp
+++ b/functions.hpp
@@ -29,22 +29,14 @@ using char_t = char;
 // CLI functions
 void printHelp();
 
-string encodeUrl( const string &url );
 bool searchSeason( const char_t *const path, size_t &season_pos );
 bool searchSeason( const char_t *const path, size_t &season_pos, size_t &ep_pos );
 
 void parseSeasonNumbers( std::set< int > &seasons_num, const char_t *argument );
 
-string encodeUrl( const string &url );
-
-#else
-// GUI functions
-
-std::vector< std::pair< string, string > >
-getPossibleShows( string show, const string &language );
-
 #endif // GUI
 
+string encodeUrl( const string &url );
 string userHome();
 
 void prepareDB( const string &_pattern = TEXT( "" ) );
@@ -53,7 +45,7 @@ void addToDB( string &show, const string &path, const string &language,
               bool linux, bool dvd );
 #else
 void addToDB( string &show, const string &path, const string &language,
-              const string &url, const string &pattern,  bool linux, bool dvd );
+              const string &id, const string &pattern, bool linux, bool dvd );
 std::vector< std::unordered_map< std::string, std::string > > dbGetShows();
 #endif
 void removeFromDB( const string &path );
diff --git a/gui.cpp b/gui.cpp
index 2a78acc..ab6af9b 100644
--- a/gui.cpp
+++ b/gui.cpp
@@ -1,11 +1,16 @@
 #include <gtkmm/application.h>
 
 #include "mainwindow.hpp"
+#include "tv_rename.hpp"
+
+#define API_KEY "42B66F5E-C6BF-423F-ADF9-CC97163472F6"
 
 int main( int argc, char **argv ) {
     auto app = Gtk::Application::create(
         argc, argv, "org.idonthaveanorganization.tvrename" );
 
+    authenticate( API_KEY );
+
     MainWindow mw( app );
 
     return app->run( mw );
diff --git a/mainwindow.cpp b/mainwindow.cpp
index bf388d2..f126175 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -12,15 +12,6 @@
 #include "databasewindow.hpp"
 #include "tv_rename.hpp"
 
-constexpr std::array< const char *, 46 > languages{
-    "en", "English",   "sv", "Svenska",    "no", "Norsk",   "da", "Dansk",
-    "fi", "Suomeksi",  "nl", "Nederlands", "de", "Deutsch", "it", "Italiano",
-    "es", "Español",   "fr", "Français",   "pl", "Polski",  "hu", "Magyar",
-    "el", "Greek",     "tr", "Turkish",    "ru", "Russian", "he", "Hebrew",
-    "ja", "Japanese",  "pt", "Portuguese", "zh", "Chinese", "cs", "Czech",
-    "sl", "Slovenian", "hr", "Croatian",   "ko", "Korea"
-};
-
 void MainWindow::chooseFile() {
     // create a dialog for choosing directory
     Gtk::FileChooserDialog dialog( "Select a directory",
@@ -82,8 +73,8 @@ void MainWindow::process() {
         ( *m_combo_language->get_active() )[m_columns_language.m_col_code];
 
     // fill up m_combo_possible with possible tv shows
-    auto possible_shows = getPossibleShows(
-        std::string( m_entry_show->get_text() ), language_code, c );
+    auto possible_shows = searchShow(
+        std::string( m_entry_show->get_text() ), language_code );
 
     // if no possible shows were found, tell the user
     if ( possible_shows.size() == 0 ) {
@@ -100,20 +91,20 @@ void MainWindow::process() {
     m_combo_possible->show();
 
     // fill up combo box with results from thetvdb
-    auto model = Gtk::ListStore::create( m_columns_url );
+    auto model = Gtk::ListStore::create( m_columns_show );
 
     m_combo_possible->set_model( model );
 
     auto row = *( model->append() );
 
-    row[m_columns_url.m_col_show] = possible_shows[0].first;
-    row[m_columns_url.m_col_url] = possible_shows[0].second;
+    row[m_columns_show.m_col_show] = possible_shows[0].first;
+    row[m_columns_show.m_col_id] = possible_shows[0].second;
     m_combo_possible->set_active( row );
 
     for ( size_t i = 1; i < possible_shows.size(); i++ ) {
         auto row = *( model->append() );
-        row[m_columns_url.m_col_show] = possible_shows[i].first;
-        row[m_columns_url.m_col_url] = possible_shows[i].second;
+        row[m_columns_show.m_col_show] = possible_shows[i].first;
+        row[m_columns_show.m_col_id] = possible_shows[i].second;
     }
 }
 
@@ -161,15 +152,15 @@ void MainWindow::getNames() {
  */
 void renameFiles(
     const std::vector<
-        std::pair< std::string, std::pair< std::string, std::string > > >
+        std::pair< std::pair< int, std::string >, std::pair< std::string, std::string > > >
         &renamed ) {
     for ( auto renamed_it = renamed.begin(); renamed_it != renamed.end();
           ++renamed_it ) {
-        std::cout << renamed_it->first << "/" << renamed_it->second.first
-                  << " --> " << renamed_it->first << "/"
+        std::cout << renamed_it->first.second << "/" << renamed_it->second.first
+                  << " --> " << renamed_it->first.second << "/"
                   << renamed_it->second.second << std::endl;
-        FSLib::rename( renamed_it->first + "/" + renamed_it->second.first,
-                       renamed_it->first + "/" + renamed_it->second.second );
+        FSLib::rename( renamed_it->first.second + "/" + renamed_it->second.first,
+                       renamed_it->first.second + "/" + renamed_it->second.second );
     }
 }
 
@@ -180,17 +171,17 @@ void MainWindow::finishedSelection() {
     auto iter = m_combo_possible->get_active();
 
     // debug output
-    std::cout << ( *iter )[m_columns_url.m_col_show] << " " << language_code
+    std::cout << ( *iter )[m_columns_show.m_col_show] << " " << language_code
               << std::endl;
 
-    std::string url =
-        static_cast< Glib::ustring >( ( *iter )[m_columns_url.m_col_url] );
+    std::string show_id =
+        static_cast< Glib::ustring >( ( *iter )[m_columns_show.m_col_id] );
 
     // shouldn't ever happen, but just to be sure
-    if ( url.empty() )
+    if ( show_id.empty() )
         return;
 
-    std::cout << "https://www.thetvdb.com" << url << std::endl;
+    std::cout << "https://www.thetvdb.com/series/" << show_id << std::endl;
 
     std::string input_pattern = m_entry_pattern->get_text();
 
@@ -204,11 +195,12 @@ void MainWindow::finishedSelection() {
 
     for ( auto &x : selected ) {
         // get renamed files for given season
+        // TODO dvd
         auto renamed_files = getRenamedFiles(
-            static_cast< Glib::ustring >( ( *iter )[m_columns_url.m_col_show] ),
-            x, "https://www.thetvdb.com" + url, language_code,
+            static_cast< Glib::ustring >( ( *iter )[m_columns_show.m_col_show] ),
+            x, show_id, language_code,
             ( input_pattern.empty() ? default_pattern : input_pattern ),
-            !m_check_linux->get_active(), c, files[x] );
+            !m_check_linux->get_active(), files[x], false );
 
         if ( renamed_files.empty() )
             continue;
@@ -401,10 +393,6 @@ MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
     m_label_dir->set_label( "Directory:" );
     m_label_pattern->set_label( "Pattern:" );
 
-    // set dimensions
-    m_combo_language->set_size_request( 120 );
-    m_combo_possible->set_size_request( 200 );
-
     m_entry_show->set_size_request( 170, 30 );
     m_entry_dir->set_size_request( 170, 30 );
 
@@ -422,22 +410,22 @@ MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
         auto model = Gtk::ListStore::create( m_columns_language );
         m_combo_language->set_model( model );
 
-        auto row = *( model->append() );
-        row[m_columns_language.m_col_code] = "en";
-        row[m_columns_language.m_col_language] = "English";
-
-        m_combo_language->set_active( row );
-
-        for ( size_t i = 2; i < languages.size(); i += 2 ) {
-            row = *( model->append() );
-            row[m_columns_language.m_col_code] = languages[i];
-            row[m_columns_language.m_col_language] = languages[i + 1];
+        for ( const auto &x : getLangs() ) {
+            auto row = *( model->append() );
+            row[m_columns_language.m_col_code] = x.first;
+            row[m_columns_language.m_col_language] = x.second;
+            if( x.first == "en" )
+                m_combo_language->set_active( row );
         }
     }
 
     // set column to be shown in comboboxes
     m_combo_language->pack_start( m_columns_language.m_col_language );
-    m_combo_possible->pack_start( m_columns_url.m_col_show );
+    m_combo_possible->pack_start( m_columns_show.m_col_show );
+
+    // set dimensions
+    m_combo_language->set_size_request( 120, 30 );
+    m_combo_possible->set_size_request( 200, 30 );
 
     // set signals
     m_button_dir->signal_clicked().connect(
@@ -480,7 +468,7 @@ MainWindow::MainWindow( const Glib::RefPtr< Gtk::Application > &ptr )
 }
 
 void MainWindow::dbUpdate() {
-    updateDB( !m_check_linux->get_active(), c );
+    updateDB( !m_check_linux->get_active() );
 }
 
 void MainWindow::dbClean() {
@@ -488,7 +476,7 @@ void MainWindow::dbClean() {
 }
 
 void MainWindow::dbRefresh() {
-    refreshDB( !m_check_linux->get_active(), c );
+    refreshDB( !m_check_linux->get_active() );
 }
 
 void MainWindow::dbAdd() {
@@ -508,18 +496,19 @@ void MainWindow::dbAdd() {
     auto iter = m_combo_possible->get_active();
     std::string input_pattern = m_entry_pattern->get_text();
 
-    std::string show = static_cast< Glib::ustring >( ( *iter )[m_columns_url.m_col_show] );
+    std::string show = static_cast< Glib::ustring >( ( *iter )[m_columns_show.m_col_show] );
     std::string language_code = static_cast< Glib::ustring >( ( *m_combo_language->get_active() )[m_columns_language.m_col_code] );
-    std::string url = "https://www.thetvdb.com" + static_cast< Glib::ustring >( ( *iter )[m_columns_url.m_col_url] );
+    std::string show_id = static_cast< Glib::ustring >( ( *iter )[m_columns_show.m_col_id] );
 
-    std::cout << show << " " << language_code << " " << url << std::endl;
+    std::cout << show << " " << language_code << " " << show_id << std::endl;
 
-    addToDB( show, m_entry_dir->get_text(), language_code, url,
-             m_entry_pattern->get_text(), !m_check_linux->get_active(), c );
+    // TODO dvd
+    addToDB( show, m_entry_dir->get_text(), language_code, show_id,
+             m_entry_pattern->get_text(), !m_check_linux->get_active(), false );
 }
 
 void MainWindow::dbManage() {
-    auto *dbWindow = new DatabaseWindow( !m_check_linux->get_active(), c );
+    auto *dbWindow = new DatabaseWindow( !m_check_linux->get_active() );
     app->add_window( *dbWindow );
     auto app_ptr = app;
 
diff --git a/mainwindow.hpp b/mainwindow.hpp
index 712f10d..d65db04 100644
--- a/mainwindow.hpp
+++ b/mainwindow.hpp
@@ -46,6 +46,8 @@ protected:
 
     Gtk::CheckButton *m_check_linux = new Gtk::CheckButton();
     Gtk::CheckButton *m_check_trust = new Gtk::CheckButton();
+    // TODO add dvd checkbox
+    Gtk::CheckButton *m_check_dvd = new Gtk::CheckButton();
 
     Gtk::ComboBox *m_combo_language = new Gtk::ComboBox();
     Gtk::ComboBox *m_combo_possible = new Gtk::ComboBox();
@@ -60,8 +62,6 @@ protected:
     Gtk::Label *m_label_dir = new Gtk::Label();
     Gtk::Label *m_label_pattern = new Gtk::Label();
 
-    Curl c;
-
     class LanguageColumns : public Gtk::TreeModel::ColumnRecord {
     public:
         LanguageColumns() {
@@ -72,24 +72,24 @@ protected:
         Gtk::TreeModelColumn< std::string > m_col_language;
     };
 
-    class UrlColumns : public Gtk::TreeModel::ColumnRecord {
+    class ShowColumns : public Gtk::TreeModel::ColumnRecord {
     public:
-        UrlColumns() {
-            add( m_col_url );
+        ShowColumns() {
+            add( m_col_id );
             add( m_col_show );
         }
-        Gtk::TreeModelColumn< Glib::ustring > m_col_url;
+        Gtk::TreeModelColumn< Glib::ustring > m_col_id;
         Gtk::TreeModelColumn< Glib::ustring > m_col_show;
     };
 
     LanguageColumns m_columns_language;
-    UrlColumns m_columns_url;
+    ShowColumns m_columns_show;
 
     Glib::RefPtr< Gtk::Application > app;
 
     std::unique_ptr<SeasonWindow> sw{nullptr};
     std::vector< int > selected;
-    std::map< int, std::set< std::string > > files;
+    std::map< int, std::map< int, string > > files;
     std::string path;
     std::string language_code;
     std::string default_pattern;
diff --git a/tv_rename.cpp b/tv_rename.cpp
index 94e6f99..01a6a52 100644
--- a/tv_rename.cpp
+++ b/tv_rename.cpp
@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <iostream>
 #include <map>
 
 #include "filesystem.hpp"
@@ -10,7 +11,6 @@ using json = nlohmann::json;
 
 #ifndef GUI
 
-#include <iostream>
 #include <sstream>
 #include <vector>
 
@@ -80,6 +80,7 @@ searchShow( const string &show, const string &language ) {
     return ret;
 }
 
+#ifndef GUI
 // get show's ID
 string getShowId( string &show, const string &language ) {
     size_t order{}, pos{};
@@ -93,6 +94,7 @@ string getShowId( string &show, const string &language ) {
     cin.ignore( 1, '\n' );
     return search_results[pos-1].second;
 }
+#endif
 
 string showNameFromId( const string &id, const string &language ) {
     r.addHeader( TEXT( "Accept: application/json" ) );
@@ -240,12 +242,44 @@ getRenamedFiles( const string &show, int season, const string id,
     return renamed_files;
 }
 
+std::vector< std::pair< string, string > > getLangs() {
+    std::vector< std::pair< string, string > > langs;
+    r.addHeader( TEXT( "Accept: application/json" ) );
+    r.addHeader( TEXT( "Authorization: Bearer " ) + api_token );
+    auto j = json::parse( r.get( TEXT( "/languages" ) ) );
+    r.clearHeader();
+    auto langs_json = j["data"].get< std::vector< json > >();
+    for ( auto &x : langs_json ) {
+        langs.emplace_back( toString( x["abbreviation"].get< std::string >() ),
+                            toString( x["name"].get< std::string >() ) );
+    }
+    return langs;
+}
+
+bool authenticate( const std::string &api_key ) {
+#ifdef _WIN32
+    r.setServer( TEXT( "api.thetvdb.com" ) );
+#else
+    r.setServer( "https://api.thetvdb.com" );
+#endif
+    r.addHeader( TEXT( "Accept: application/json" ) );
+    r.addHeader( TEXT( "Content-Type: application/json" ) );
+    auto j = json::parse( r.post( TEXT( "/login" ),
+                                  "{ \"apikey\": \"" + api_key + "\" }" ) );
+    api_token = toString( j["token"].get< std::string >() );
+    r.clearHeader();
+    // TODO check return code
+    return true;
+}
+
 void singleSeason( const string &path, string &show, int season, string id,
                    const string &language, const string &pattern,
                    const bool &linux, const bool &trust,
                    std::map< int, string > *files_ptr, bool print, bool dvd ) {
+#ifndef GUI
     if ( id.empty() )
         id = getShowId( show, language );
+#endif
 
     std::map< int, std::map< int, string > > *found_files = nullptr;
 
@@ -332,20 +366,6 @@ void allSeasons( const string &path, string &show, const string &language,
     }
 }
 
-std::vector< std::pair< string, string > > getLangs() {
-    std::vector< std::pair< string, string > > langs;
-    r.addHeader( TEXT( "Accept: application/json" ) );
-    r.addHeader( TEXT( "Authorization: Bearer " ) + api_token );
-    auto j = json::parse( r.get( TEXT( "/languages" ) ) );
-    r.clearHeader();
-    auto langs_json = j["data"].get< std::vector< json > >();
-    for ( auto &x : langs_json ) {
-        langs.emplace_back( toString( x["abbreviation"].get< std::string >() ),
-                            toString( x["name"].get< std::string >() ) );
-    }
-    return langs;
-}
-
 void printLangs() {
     for ( auto &x : getLangs() )
         cout << x.first << " - " << x.second << std::endl;
@@ -359,20 +379,4 @@ bool findLanguage( const char_t *language ) {
     return false;
 }
 
-bool authenticate( const std::string &api_key ) {
-#ifdef _WIN32
-    r.setServer( TEXT( "api.thetvdb.com" ) );
-#else
-    r.setServer( "https://api.thetvdb.com" );
-#endif
-    r.addHeader( TEXT( "Accept: application/json" ) );
-    r.addHeader( TEXT( "Content-Type: application/json" ) );
-    auto j = json::parse( r.post( TEXT( "/login" ),
-                                  "{ \"apikey\": \"" + api_key + "\" }" ) );
-    api_token = toString( j["token"].get< std::string >() );
-    r.clearHeader();
-    // TODO check return code
-    return true;
-}
-
 #endif
diff --git a/tv_rename.hpp b/tv_rename.hpp
index 05baa7c..9846024 100644
--- a/tv_rename.hpp
+++ b/tv_rename.hpp
@@ -25,7 +25,6 @@ using char_t = char;
 
 #endif
 
-// TODO change files_ptr contents to new file names
 void singleSeason( const string &path, string &show, int season, string id,
                    const string &language, const string &pattern,
                    const bool &linux, const bool &trust,
@@ -39,26 +38,34 @@ void singleSeason( const string &path, string &show, int season, string id,
 
 #ifdef GUI
 
-std::vector< std::pair< string, std::pair< string, string > > >
-getRenamedFiles( const string &show, int season, string url,
+std::vector< std::pair< std::pair< int, string >, std::pair< string, string > > >
+getRenamedFiles( const string &show, int season, const string id,
                  const string &language, const string &pattern,
-                 const bool &linux, Curl &c, const std::map< int, string > &files, bool dvd = false );
+                 const bool &linux, const std::map< int, string > &files, bool dvd = false );
+
+std::vector< std::pair< string, string > > getLangs();
 
 #else
 
 void multipleSeasons( const string &path, string &show,
                       const std::set< int > seasons, const string &language,
                       const string &pattern, const size_t &flags );
+
 void allSeasons( const string &path, string &show, const string &language,
                  const string &pattern, const size_t &flags );
 
+string getShowId( string &show, const string &language );
+
 #endif
 
 void printLangs();
+
 bool findLanguage( const char_t *language );
+
 bool authenticate( const std::string &api_key );
-string getShowId( string &show, const string &language );
+
 string showNameFromId( const string &id, const string &language );
+
 std::vector< std::pair< string, string > > searchShow( const string &show,
                                                        const string &language );