source /usr/share/vim/vim82/defaults.vim
source /etc/vimrc

let NERDTreeIgnore=['\.o$', '\.cmo$', '\.cmx$', '\.cmi$', '\.lib$', '\.pyc$', '^__pycache__$', '\.class$']

set encoding=utf-8

set cmdheight=2

if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

set exrc
set hlsearch

set number
set relativenumber

let mapleader=","

" Tab modes.
map <leader>m <Esc>:set expandtab ts=2 sw=2 sts=2<CR>
map <leader>t <Esc>:set noexpandtab ts=4 sw=4 sts=4<CR>
map <leader>T <Esc>:set expandtab ts=4 sw=4 sts=4<CR>

set pastetoggle=<F2>

" reload config
map <leader>c <Esc>:source ~/.vimrc<CR>

" FZF bindings
"
" map <leader>f <Esc>:FZF<CR>
map ; <Esc>:FZF<CR>

map \ <Esc>:Vista finder coc<CR>
map <leader>b <Esc>:Vista<CR>

" Diagnostic messages

map <leader>d <Esc>:CocDiagnostics<CR>

" map <leader>l <Esc>:ALENextWrap<CR>
nmap <silent> <leader>s <Plug>(coc-diagnostic-prev)
nmap <silent> <leader>f <Plug>(coc-diagnostic-next)
" map <C-n> <Esc>:cnext<CR>
" map <C-m> <Esc>:cprevious<CR>

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  elseif (coc#rpc#ready())
    call CocActionAsync('doHover')
  else
    execute '!' . &keywordprg . " " . expand('<cword>')
  endif
endfunction

" tab completion (coc)
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction


" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
"xmap <leader>f  <Plug>(coc-format-selected)
"nmap <leader>f  <Plug>(coc-format-selected)


" Append modeline after last line in buffer.
" Use substitute() instead of printf() to handle '%%s' modeline in LaTeX
" files.
function! AppendModeline()
  let l:modeline = printf(" vim: set sts=%d ts=%d sw=%d tw=%d %set :",
        \ &softtabstop, &tabstop, &shiftwidth, &textwidth, &expandtab ? '' : 'no')
  let l:modeline = substitute(&commentstring, "%s", l:modeline, "")
  call append(line("$"), l:modeline)
endfunction
nnoremap <silent> <Leader>ml :call AppendModeline()<CR>

filetype plugin indent on
set autoindent
set smartindent
set ts=4 sw=4

" indentation for long line wraps
set wrap
set linebreak
set breakindent
let &showbreak = '>   '

set bg=dark

au FileType make setl noexpandtab
au FileType python setl sw=4 sts=4 et
au FileType html setl sw=2 sts=2 et
au FileType htmldjango setl sw=2 sts=2 et
au FileType json setl sw=2 sts=2 et
au FileType javascript setl sw=2 sts=2 et
au FileType yaml setl sw=2 sts=2 et
au FileType css setl sw=4 sts=4 et
au FileType lua setl ts=4 sw=4 noet
au FileType trema setl ts=2 sts=2 et
au FileType trema setl ts=2 sts=2 et
au FileType typescript.tsx setl ts=2 sts=2 et
au FileType rust setl ts=4 sw=4 noet 

let g:ale_linters = {'rust': ['analyzer']}

highlight Pmenu ctermbg=gray guibg=gray