diff --git a/tv_rename_gui.cpp b/tv_rename_gui.cpp
deleted file mode 100644
index e48f87a..0000000
--- a/tv_rename_gui.cpp
+++ /dev/null
@@ -1,385 +0,0 @@
-// many thanks to https://www.winprog.org/tutorial from where I got a lot of
-// code for this
-
-#include <Windows.h>
-#include <array>
-#include <fstream>
-#include <shlobj.h>
-#include <string>
-#include <vector>
-
-#include "filesystem.hpp"
-#include "functions.hpp"
-#include "resource.h"
-#include "tv_rename.hpp"
-
-constexpr std::array< const wchar_t *, 46 > languages{
-    L"en", L"English",  L"sv", L"Svenska",  L"no", L"Norsk",
-    L"da", L"Dansk",    L"fi", L"Suomeksi", L"nl", L"Nederlands",
-    L"de", L"Deutsch",  L"it", L"Italiano", L"es", L"Español",
-    L"fr", L"Français", L"pl", L"Polski",   L"hu", L"Magyar",
-    L"el", L"Greek",    L"tr", L"Turkish",  L"ru", L"Russian",
-    L"he", L"Hebrew",   L"ja", L"Japanese", L"pt", L"Portuguese",
-    L"zh", L"Chinese",  L"cs", L"Czech",    L"sl", L"Slovenian",
-    L"hr", L"Croatian", L"ko", L"Korea"
-};
-
-// filled with possible season numbers
-std::vector< int > options;
-// contains IDs of checboxes created for IDD_SEASONS
-std::vector< int > checkboxes;
-// contains season numbers that have been checked in IDD_SEASONS
-std::vector< int > checked;
-Curl c;
-
-wchar_t lang_code[3] = L"en";
-std::wstring default_pattern = L"%filename - %epname";
-
-// files separated by season
-std::map< int, std::set< string > > files;
-// possible shows for given query
-std::vector< std::pair< string, string > > possible_shows;
-// files from currently previewed season
-std::vector< std::pair< string, std::pair< string, string > > >
-    *current_renamed_files{ nullptr };
-
-BOOL CALLBACK HelpBox( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ) {
-    switch ( message ) {
-    case WM_COMMAND:
-        switch ( LOWORD( wParam ) ) {
-        case IDOK:
-            EndDialog( hwnd, 0 );
-        default:
-            break;
-        }
-        break;
-    case WM_CLOSE:
-        EndDialog( hwnd, 0 );
-        break;
-    default:
-        return FALSE;
-    }
-    return TRUE;
-}
-
-BOOL CALLBACK SeasonsBox( HWND hwnd, UINT message, WPARAM wParam,
-                          LPARAM lParam ) {
-    switch ( message ) {
-    case WM_INITDIALOG: {
-        // fill with checkboxes for possible seasons
-        checked.clear();
-        checkboxes.clear();
-        int left{ 15 }, top{ 30 };
-        for ( int i = 0; i < options.size(); i++ ) {
-            if ( checkboxes.empty() ) {
-                // start IDs at 2000
-                checkboxes.push_back( 2000 );
-            } else {
-                checkboxes.push_back( checkboxes.back() + 1 );
-            }
-            auto hCheckBox = CreateWindowEx(
-                0, L"Button", std::to_wstring( options[i] ).c_str(),
-                WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX, left, top, 60, 20,
-                hwnd, ( HMENU )checkboxes.back(), GetModuleHandle( NULL ),
-                NULL );
-            if ( hCheckBox == NULL ) {
-                MessageBox( hwnd, L"Could not create checkbox", L"Error",
-                            MB_OK | MB_ICONERROR );
-                return TRUE;
-            }
-            auto hfDefault = GetStockObject( DEFAULT_GUI_FONT );
-            SendMessage( hCheckBox, WM_SETFONT, ( WPARAM )hfDefault,
-                         MAKELPARAM( FALSE, 0 ) );
-            if ( left == 195 ) {
-                left = 15;
-                top += 20;
-            } else {
-                left += 60;
-            }
-        }
-    }
-        return TRUE;
-    case WM_COMMAND:
-        switch ( LOWORD( wParam ) ) {
-        case IDOK:
-            // store checked seasons in checked
-            for ( int i = 0; i < checkboxes.size(); i++ ) {
-                if ( SendDlgItemMessage( hwnd, checkboxes[i], BM_GETCHECK, 0,
-                                         0 ) )
-                    checked.push_back( options[i] );
-            }
-            EndDialog( hwnd, 0 );
-            break;
-        case IDALL:
-            // check all seasons
-            for ( auto &x : checkboxes ) {
-                SendDlgItemMessage( hwnd, x, BM_SETCHECK, BST_CHECKED, 0 );
-            }
-            break;
-        case IDNONE:
-            // uncheck all seasons
-            for ( auto &x : checkboxes ) {
-                SendDlgItemMessage( hwnd, x, BM_SETCHECK, BST_UNCHECKED, 0 );
-            }
-            break;
-        default:
-            break;
-        }
-        break;
-    case WM_CLOSE:
-        EndDialog( hwnd, 0 );
-        break;
-    default:
-        return FALSE;
-    }
-    return TRUE;
-}
-
-// choose directory, stolen from
-// https://www.codeproject.com/Articles/2604/Browse-Folder-dialog-search-folder-and-all-sub-fol
-std::wstring getDir() {
-    wchar_t path[MAX_PATH];
-    BROWSEINFO bi{};
-    bi.lpszTitle = L"Choose a folder";
-    LPITEMIDLIST pidl = SHBrowseForFolder( &bi );
-    if ( pidl != 0 ) {
-        SHGetPathFromIDList( pidl, path );
-        IMalloc *imalloc = 0;
-        if ( SUCCEEDED( SHGetMalloc( &imalloc ) ) ) {
-            imalloc->Free( pidl );
-            imalloc->Release();
-        }
-    } else {
-        path[0] = '\0';
-    }
-    return path;
-}
-
-void renameFiles(
-    const std::vector< std::pair< string, std::pair< string, string > > >
-        &renamed ) {
-    for ( auto renamed_it = renamed.begin(); renamed_it != renamed.end();
-          ++renamed_it ) {
-        FSLib::rename( renamed_it->first + L"\\" + renamed_it->second.first,
-                       renamed_it->first + L"\\" + renamed_it->second.second );
-    }
-}
-
-BOOL CALLBACK PreviewBox( HWND hwnd, UINT message, WPARAM wParam,
-                          LPARAM lParam ) {
-    switch ( message ) {
-    case WM_INITDIALOG: {
-        // fill IDTEXT with how the rename would look
-        std::wstring text{};
-        for ( auto renamed_it = current_renamed_files->begin();
-              renamed_it != current_renamed_files->end(); ++renamed_it ) {
-            text += renamed_it->second.first + L" --> " +
-                    renamed_it->second.second + L"\r\n";
-        }
-        SetDlgItemText( hwnd, IDTEXT, text.c_str() );
-    }
-        return TRUE;
-    case WM_COMMAND:
-        switch ( LOWORD( wParam ) ) {
-        case IDYES: {
-            renameFiles( *current_renamed_files );
-            EndDialog( hwnd, IDYES );
-        } break;
-        case IDNO:
-            EndDialog( hwnd, IDNO );
-        default:
-            break;
-        }
-        break;
-    case WM_CLOSE:
-        EndDialog( hwnd, 0 );
-        break;
-    default:
-        return FALSE;
-    }
-    return TRUE;
-}
-
-void finishedSelection( HWND hwnd ) {
-    // get show name and url for selected show
-    auto index = SendDlgItemMessage( hwnd, IDSHOWS, CB_GETCURSEL, 0, 0 );
-    auto url = possible_shows[index].second;
-    auto show = possible_shows[index].first;
-    wchar_t input_pattern[100];
-
-    GetDlgItemText( hwnd, IDPATTERN, input_pattern, 100 );
-
-    if ( input_pattern != default_pattern ) {
-        std::wofstream file( userHome() + L"\\tv_rename\\pattern" );
-        if ( file ) {
-            file << input_pattern;
-        }
-    }
-
-    for ( auto &x : checked ) {
-        auto renamed_files = getRenamedFiles(
-            show, x, L"https://www.thetvdb.com" + url, lang_code,
-            ( input_pattern[0] == '\0' ? default_pattern : input_pattern ),
-            false, c, files[x] );
-        if ( renamed_files.empty() )
-            continue;
-        // if user trusts us, just rename files
-        if ( SendDlgItemMessage( hwnd, IDTRUST, BM_GETCHECK, 0, 0 ) ) {
-            renameFiles( renamed_files );
-            continue;
-        }
-
-        // if user doesn't trust us show what rename would look like
-        current_renamed_files = &renamed_files;
-        DialogBox( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDD_PREVIEW ),
-                   hwnd, PreviewBox );
-    }
-    // if user trusted us, let them know when rename finished
-    if ( SendDlgItemMessage( hwnd, IDTRUST, BM_GETCHECK, 0, 0 ) ) {
-        MessageBox( hwnd, L"Finished renaming files", L"Info",
-                    MB_OK | MB_ICONINFORMATION );
-    }
-}
-
-void getNames( HWND hwnd ) {
-    wchar_t path[MAX_PATH];
-    GetDlgItemText( hwnd, IDDIR, path, MAX_PATH );
-
-    if ( wcslen( path ) == 0 ) {
-        MessageBox( hwnd, L"Folder field is empty", L"Error",
-                    MB_OK | MB_ICONERROR );
-        return;
-    }
-    if ( !FSLib::isDirectory( path ) ) {
-        MessageBox( hwnd, L"Folder doesn't exist", L"Error",
-                    MB_OK | MB_ICONERROR );
-        return;
-    }
-
-    checked.clear();
-    checkboxes.clear();
-    options.clear();
-    files.clear();
-
-    // get possible seasons
-    iterateFS( files, path );
-    for ( auto &x : files ) {
-        options.push_back( x.first );
-    }
-
-    // user selects which seasons should be renamed
-    DialogBox( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDD_SEASONS ), hwnd,
-               SeasonsBox );
-    // process selected seasons
-    finishedSelection( hwnd );
-}
-
-void process( HWND hwnd ) {
-    wchar_t show[100];
-    GetDlgItemText( hwnd, IDSHOWIN, show, 100 );
-
-    if ( wcslen( show ) == 0 ) {
-        MessageBox( hwnd, L"Show field is empty", L"Error",
-                    MB_OK | MB_ICONERROR );
-        return;
-    }
-
-    wchar_t language[20];
-    GetDlgItemText( hwnd, IDLANG, language, 20 );
-
-    // get language code
-    for ( int i = 1; i < languages.size(); i += 2 ) {
-        if ( !wcscmp( languages[i], language ) ) {
-            wcscpy_s( lang_code, languages[i - 1] );
-            break;
-        }
-    }
-
-    possible_shows = getPossibleShows( show, lang_code, c );
-    if ( possible_shows.size() == 0 ) {
-        MessageBox( hwnd, L"No results found for given show name", L"Error",
-                    MB_OK | MB_ICONERROR );
-        return;
-    }
-
-    ShowWindow( GetDlgItem( hwnd, ID_STATIC6 ), SW_SHOW );
-    ShowWindow( GetDlgItem( hwnd, IDSHOWS ), SW_SHOW );
-    ShowWindow( GetDlgItem( hwnd, IDSEASONS ), SW_SHOW );
-
-    // fill IDSHOWS with possible shows
-    SendDlgItemMessage( hwnd, IDSHOWS, CB_RESETCONTENT, 0, 0 );
-    for ( int i = 0; i < possible_shows.size(); i++ ) {
-        SendDlgItemMessage( hwnd, IDSHOWS, CB_ADDSTRING, 0,
-                            ( LPARAM )possible_shows[i].first.c_str() );
-    }
-    // select first item
-    SendDlgItemMessage( hwnd, IDSHOWS, CB_SETCURSEL, 0, 0 );
-}
-
-// if stored pattern exists, read it and store the value
-// in default_pattern
-void readDefaultPattern( const string &base_dir ) {
-    std::wifstream file( base_dir + L"\\pattern" );
-    if ( file ) {
-        std::getline( file, default_pattern );
-    }
-}
-
-BOOL CALLBACK MainBox( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam ) {
-    switch ( message ) {
-    case WM_INITDIALOG: {
-        // fill IDLANG with possible languages
-        for ( int i = 1; i < languages.size(); i += 2 ) {
-            SendDlgItemMessage( hwnd, IDLANG, CB_ADDSTRING, 0,
-                                ( LPARAM )languages[i] );
-        }
-        // select English by default
-        SendDlgItemMessage( hwnd, IDLANG, CB_SETCURSEL, 5, 0 );
-
-        auto appdata = userHome() + L"\\tv_rename";
-        if ( !FSLib::isDirectory( appdata ) ) {
-            // create the directory so pattern can be stored when changed
-            CreateDirectory( appdata.c_str(), NULL );
-        } else {
-            readDefaultPattern( appdata );
-        }
-
-        SetDlgItemText( hwnd, IDPATTERN, default_pattern.c_str() );
-    }
-        return TRUE;
-    case WM_COMMAND:
-        switch ( LOWORD( wParam ) ) {
-        case IDPROCESS: {
-            process( hwnd );
-        } break;
-        case IDEND:
-            EndDialog( hwnd, IDOK_MAIN );
-            break;
-        case IDSEASONS:
-            getNames( hwnd );
-            break;
-        case IDDIRB:
-            SetDlgItemText( hwnd, IDDIR, getDir().c_str() );
-            break;
-        case IDHELP:
-            DialogBox( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDD_HELP ),
-                       hwnd, HelpBox );
-            break;
-        default:
-            break;
-        }
-        break;
-    case WM_CLOSE:
-        EndDialog( hwnd, 0 );
-        break;
-    default:
-        return FALSE;
-    }
-    return TRUE;
-}
-
-int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
-                    LPSTR lpCmdLine, int nCmdShow ) {
-    return DialogBox( GetModuleHandle( NULL ), MAKEINTRESOURCE( IDD_MAIN ),
-                      NULL, MainBox );
-}