.vimrc

" automate installation
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/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('~/.vim/plugged')
Plug 'metalelf0/supertab'
Plug 'hashivim/vim-terraform'
Plug 'juliosueiras/vim-terraform-completion'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'lifepillar/vim-solarized8'
Plug 'maralla/completor.vim'
Plug 'rodjek/vim-puppet'
Plug 'scrooloose/nerdtree'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-jdaddy'
Plug 'tpope/vim-obsession'
Plug 'tpope/vim-repeat'
Plug 'tpope/vim-sensible'
Plug 'tpope/vim-sleuth'
Plug 'tpope/vim-speeddating'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-unimpaired'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'w0rp/ale'
call plug#end()

" some default settings
set nocompatible
set backspace=indent,eol,start
set viminfo='20,\"5000,%
set history=5000
set smartcase
set encoding=utf-8

" theme settings
set termguicolors
set background=dark
let g:solarized_use16 = 1
colorscheme solarized8_high

" syntax highlighting
if has("syntax")
  syntax on
endif

" set up persistent undos
if !isdirectory("$HOME/.vim/local/undo")
    silent !mkdir $HOME/.vim/local/undo/ > /dev/null 2>&1
endif
if has('persistent_undo')
  set undofile
  set undodir="$HOME/.vim/local/undo/"
  set undolevels=10000
endif

" CtrlP settings
let g:ctrlp_cmd = 'CtrlPMixed'
let g:ctrlp_working_path_mode   = 'ra'

set wildignore+=*/tmp/*,*.so,*.swp,*.zip     " MacOSX/Linux
set wildignore+=*\\tmp\\*,*.swp,*.zip,*.exe  " Windows

let g:ctrlp_custom_ignore = '\v[\/]\.(git|hg|svn)$'
let g:ctrlp_custom_ignore = {
  \ 'dir':  '\v[\/]\.(git|hg|svn)$',
  \ 'file': '\v\.(exe|so|dll)$',
  \ 'link': 'some_bad_symbolic_links',
  \ }

let g:ctrlp_show_hidden         = 1
let g:ctrlp_max_files           = 1000000
let g:ctrlp_clear_cache_on_exit = 1
let g:ctrlp_match_window        = 'bottom,order:btt,max:20,max:0'
let g:airline_theme                       = 'solarized'
let g:airline#extensions#branch#enabled   = 1
let g:SuperTabDefaultCompletionType = "<c-n>"

" Themes
let g:airline_theme                       = 'solarized'
let g:airline#extensions#branch#enabled   = 1

" Completor
" let g:SuperTabDefaultCompletionType = "<c-n>"

" close if only nerd tree is left
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" key bindings
" toggle nerd tree with ctrl-n background
nmap <C-n> :NERDTreeToggle<CR>
" switch background lightness
nmap <silent> <c-b> :let &background = ( &background == "dark"? "light" : "dark" )<CR>
" escape on jk


" additional vim tettings
:imap jk <Esc>
" turn on detection, plugin and indent
filetype plugin indent on
" show existing tab with 4 spaces width
set tabstop=4
" when indenting with '>', use 4 spaces width
set shiftwidth=4
" On pressing tab, insert 4 spaces
set expandtab
" enable line numbers
set number

autocmd vimenter * NERDTree
" Go to previous (last accessed) window.
autocmd VimEnter * wincmd p
" switch panes with vim keys
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

let NERDTreeIgnore = ['\.pyc$']

" copy to system clipboard, requires clipboard unnamed
vmap <C-y> "+y

" completor.vim settings
inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<cr>"