" basic vim settings (tab width, line numbers, etc)
set tabstop=4
set shiftwidth=4
set softtabstop=4
set showtabline=2
set number
set expandtab

" install vim-plug if it's not installed already
let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
if empty(glob(data_dir . '/autoload/plug.vim'))
  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" install plugins
call plug#begin()
Plug 'ycm-core/YouCompleteMe'
Plug 'preservim/nerdtree'
call plug#end()

" Keybindings for tab management
map <C-z> :tabp<CR>
map <C-x> :tabn<CR>
map <C-c> :tabnew<CR>

" NERDTree settings
nnoremap <C-t> :NERDTreeToggle<CR>
let g:NERDTreeAutoDeleteBuffer = 1
let g:NERDTreeMinimalUI = 1
let g:NERDTreeQuitOnOpen = 1
let g:NERDTreeDirArrowExpandable = '>'
let g:NERDTreeDirArrowCollapsible = '<'

" save/quit
nnoremap <C-s> :w<CR>
nnoremap <C-q> :q<CR>
command Dw :w !sudo tee %