function! StrTrim(txt)
  return substitute(a:txt, '^\n*\s*\(.\{-}\)\n*\s*$', '\1', '')
endfunction

" plugins
call plug#begin('~/.vim/plugged')

" chrome
Plug 'bling/vim-airline'
Plug 'vim-airline/vim-airline-themes'

Plug 'bling/vim-bufferline'
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1
let g:airline_powerline_fonts = 1

Plug 'mattn/webapi-vim'
Plug 'mattn/gist-vim'
Plug 'airblade/vim-gitgutter'
au FileType gitcommit set tw=72 " auto-wrap git commits at col 72

Plug 'tmux-plugins/vim-tmux'

" color theme
Plug 'dracula/vim'
let g:airline_theme='dracula'

" Golang
Plug 'Valloric/YouCompleteMe', {'for': 'go'}
Plug 'fatih/vim-go'
let g:go_fmt_command = "goimports"
let g:go_metalinter_autosave = 1
let g:go_metalinter_autosave_enabled = ['vet', 'golint']
let g:go_auto_type_info = 1
let g:go_auto_sameids = 1
let g:go_gocode_unimported_packages = 1
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_fields = 1
let g:go_highlight_types = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
au FileType go autocmd BufWritePre <buffer> Fmt
let g:syntastic_go_gofmt_s = 1

" Markdown
Plug 'godlygeek/tabular'
Plug 'plasticboy/vim-markdown'
let g:vim_markdown_fenced_languages = ['bash=sh']
au FileType markdown setlocal tw=80

Plug 'wannesm/wmgraphviz.vim'
let g:WMGraphviz_output = 'svg'

Plug 'elzr/vim-json'
au FileType json setlocal sw=2 ts=2 et

Plug 'vim-ruby/vim-ruby'
au FileType ruby setlocal sw=2 ts=2 et

Plug 'docker/docker'
au FileType dockerfile setlocal sw=8 ts=8 noet tw=80

Plug 'hashivim/vim-terraform'
au FileType tf setlocal sw=2 ts=2 et
let g:terraform_fmt_on_save = 1

" others
Plug 'vim-syntastic/syntastic'
Plug 'myint/syntastic-extras'
let g:syntastic_javascript_eslint_exec = StrTrim(system('npm-which eslint'))
let g:syntastic_javascript_eslint_args = ['--fix']
let g:syntastic_cfg_checkers = ['cfg']
let g:syntastic_make_checkers = ['gnumake']
let g:syntastic_javascript_checkers = ['eslint']
let g:syntastic_gitcommit_checkers = ['language_check']
let g:syntastic_yaml_checkers = ['pyyaml']

" enable autoread to reload any files from files when checktime is called and
" the file is changed
set autoread

" add an autocmd after vim started to execute checktime for *.js files on write
au VimEnter *.js au BufWritePost *.js checktime

" don't make me think
Plug 'chiel92/vim-autoformat'
au BufWrite *.json :Autoformat
Plug 'tpope/vim-surround'
Plug 'ciaranm/detectindent'
Plug 'nathanaelkane/vim-indent-guides'
Plug 'roman/golden-ratio'
Plug 'scrooloose/nerdcommenter'
filetype plugin on
Plug 'terryma/vim-multiple-cursors'
let g:multi_cursor_start_key='<C-n>'
let g:multi_cursor_start_word_key='g<C-n>'
call plug#end()

syntax on
color dracula

" red for anything past col 80
hi OverLength ctermfg=124
match OverLength /\%81v.\+/
" line numbers with styling
set number
set relativenumber
set cursorline
hi CursorLineNr ctermbg=none
hi LineNr ctermbg=none
hi GitGutterAdd ctermbg=none ctermfg=2
hi GitGutterChange ctermbg=none ctermfg=3
hi GitGutterDelete ctermbg=none ctermfg=1
hi GitGutterChangeDelete ctermbg=none ctermfg=1
set noshowmode
set backspace=2
set laststatus=2
set ignorecase
set incsearch
set hlsearch
set clipboard=unnamed " use system pasteboard

au BufWritePre <buffer> :%s/\s\+$//e " remove trailing whitespace on save
filetype plugin indent on
set sw=2 ts=2 et " globally use 2-spacewidth expanded tabs
au FileType sshconfig setlocal sw=4 ts=4 noet

set spell spelllang=en_us

" sane paste
let &t_SI .= "\<Esc>[?2004h"
let &t_EI .= "\<Esc>[?2004l"
inoremap <special> <expr> <Esc>[200~ XTermPasteBegin()
function! XTermPasteBegin()
  set pastetoggle=<Esc>[201~
  set paste
  return ""
endfunction