" Sensible.vim

if exists('g:loaded_sensible') || &compatible
else
  let g:loaded_sensible = 1

  if has('autocmd')
    filetype plugin indent on
  endif
  if has('syntax') && !exists('g:syntax_on')
    syntax enable
  endif

  " Use :help 'option' to see the documentation for the given option.

  set autoindent
  set backspace=indent,eol,start
  set complete-=i
  set smarttab

  set nrformats-=octal

  set ttimeout
  set ttimeoutlen=100

  set incsearch
  " Use <C-L> to clear the highlighting of :set hlsearch.
  if maparg('<C-L>', 'n') ==# ''
    nnoremap <silent> <C-L> :nohlsearch<C-R>=has('diff')?'<Bar>diffupdate':''<CR><CR><C-L>
  endif

  set laststatus=2
  set ruler
  set wildmenu

  if !&scrolloff
    set scrolloff=1
  endif
  if !&sidescrolloff
    set sidescrolloff=5
  endif
  set display+=lastline

  if &encoding ==# 'latin1' && has('gui_running')
    set encoding=utf-8
  endif

  if &listchars ==# 'eol:$'
    set listchars=tab:>\ ,trail:-,extends:>,precedes:<,nbsp:+
  endif

  if v:version > 703 || v:version == 703 && has("patch541")
    set formatoptions+=j " Delete comment character when joining commented lines
  endif

  if has('path_extra')
    setglobal tags-=./tags tags-=./tags; tags^=./tags;
  endif

  if &shell =~# 'fish$' && (v:version < 704 || v:version == 704 && !has('patch276'))
    set shell=/bin/bash
  endif

  set autoread

  if &history < 1000
    set history=1000
  endif
  if &tabpagemax < 50
    set tabpagemax=50
  endif
  if !empty(&viminfo)
    set viminfo^=!
  endif
  set sessionoptions-=options

  " Allow color schemes to do bright colors without forcing bold.
  if &t_Co == 8 && $TERM !~# '^linux\|^Eterm'
    set t_Co=16
  endif

  " Load matchit.vim, but only if the user hasn't installed a newer version.
  if !exists('g:loaded_matchit') && findfile('plugin/matchit.vim', &rtp) ==# ''
    runtime! macros/matchit.vim
  endif

  inoremap <C-U> <C-G>u<C-U>
endif

" change terminal title
set title

" xdg-ish settings
set undodir=~/.cache/vim/undo,.
set backupdir=~/.cache/vim/backup,.
set directory=~/.cache/vim/swap//,.

" default indentation
set shiftwidth=2
set tabstop=4
set expandtab

" permanent undo history
set undofile

" allow switching buffers
set hidden

" always scroll
set scrolloff=99

" show line numbers
set number
set relativenumber

" set wordwrap indent
set nowrap
set linebreak
if exists("&breakindent")
  set breakindent
  set breakindentopt=shift:2,sbr
endif

" show whitespace
set list

" make a new copy of the file for backup
" setting to no or auto messes with filewatchers
set backupcopy=yes

" disable modelines
set nomodeline

" ------ key bindings ------

" ; as :
nnoremap ; :
vnoremap ; :

" allow <ESC> via jj in insert mode
inoremap jj <ESC>

" fix j/k with wraps
nnoremap j gj
nnoremap k gk
vnoremap j gj
vnoremap k gk

augroup formatting
  au!
  " strip trailing whitespace
  autocmd BufWritePre * :%s/\s\+$//e
  autocmd FileType markdown :set tw=80
augroup end

if filereadable(expand('~/.vimrc.local'))
  source ~/.vimrc.local
endif

highlight StatusLine cterm=NONE ctermbg=8
highlight StatusLineNC cterm=NONE ctermbg=0
highlight StatusLineModeInsert ctermbg=14 ctermfg=0
highlight StatusLineModeVisual ctermbg=3 ctermfg=0
highlight StatusLineModeNormal ctermbg=11 ctermfg=0

function GetMode()
  let m = mode()
  " echom m
  if m ==# 'i'
    return '%#StatusLineModeInsert# I '
  elseif m =~# '\(v\|V\|\)'
    return '%#StatusLineModeVisual# V '
  else
    return '%#StatusLineModeNormal# N '
  endif
endfunction

function StatusLine()
  let line=''
  let line.=GetMode()
  let line.='%*%< %f %h%m%r'
  let line.='%='
  " let line.='%-14.(%l,%c%V%) %P'
  let line.=' %y '
  let line.=' %{&fenc}[%{&ff}]'
  let line.=' %3p%% %7(%l/%L%): %3(%c%V%) '
  return line
endfunction

set statusline=%!StatusLine()