set nocompatible
" Syntax highlighting
syntax on
" Line numbering
set number
" highlight
set cursorline
" Auto-indentation
set ai
set tabstop=4
set shiftwidth=4
set expandtab
" Matching paren highlighting
set showmatch
" Sane colors
set background=dark
" Show cursor pos
set ruler
" Make the status line always show up
set laststatus=2
set ttimeoutlen=50
" Shut the annoying bell
set novisualbell
" Set the updatetime
set updatetime=1000
" Ignore case for ex command completion
set smartcase
nnoremap / /\C
nnoremap / /\C

" Remap arrow keys
noremap <Up> <NOP>
noremap <Down> <NOP>
nnoremap <Left> :bprev<CR>
nnoremap <Right> :bnext<CR>

" write the file when you accidentally opened it without the right (root)privileges
cmap w!! w !sudo tee % > /dev/null

" Remember mouse cursor position
augroup resCur
  autocmd!
  autocmd BufReadPost * call setpos(".", getpos("'\""))
augroup END

" Plugins
let deinpath=$HOME."/.vim/bundle/repos/github.com/Shougo/dein.vim"
let pluginpath=$HOME."/.vim/bundle"
let &rtp.=",".deinpath

if dein#load_state(pluginpath)
  call dein#begin(pluginpath)

  "call dein#add(deinpath)

  " Colorscheme
  call dein#add("ajh17/Spacegray.vim.git")
  
  " Interface
  call dein#add("itchyny/lightline.vim")
  call dein#add('taohex/lightline-buffer')
  call dein#add("airblade/vim-gitgutter")
  call dein#add("christoomey/vim-tmux-navigator")
  call dein#add("scrooloose/nerdtree")

  " Tools / Commands
  call dein#add("tpope/vim-surround")
  call dein#add("jiangmiao/auto-pairs")
  call dein#add("tpope/vim-endwise")
  call dein#add("chrisbra/unicode.vim")
  call dein#add("ctrlpvim/ctrlp.vim")

  " Linting / Completion
  call dein#add("w0rp/ale")
  call dein#add("maralla/completor.vim")

  " Language
  call dein#add("sheerun/vim-polyglot")

  call dein#end()
  call dein#save_state()
endif

filetype plugin indent on
syntax enable

" Automatically install plugins
if dein#check_install()
    call dein#install()
endif

" Completor
" TAB to choose completion
inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
"inoremap <expr> <cr> pumvisible() ? "\<C-y>\<cr>" : "\<cr>"
let g:completor_python_binary = '/usr/bin/python'
let g:completor_node_binary = '/usr/bin/node'
let g:completor_clang_binary = '/usr/bin/clang'

" ALE
let g:ale_sign_error = ''
let g_sign_warning = ''

" nerdtree
map <C-n> :NERDTreeToggle<CR>

" ctrlp
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlP'
let g:ctrlp_show_hidden = 1
" From lightline help
let g:ctrlp_status_func = {
      \ 'main': 'CtrlPStatusFunc_1',
      \ 'prog': 'CtrlPStatusFunc_2',
      \ }
function! CtrlPStatusFunc_1(focus, byfname, regex, prev, item, next, marked)
    return lightline#statusline(0)
endfunction
function! CtrlPStatusFunc_2(str)
    return lightline#statusline(0)
endfunction

" gitgutter
let g:gitgutter_realtime = 1
let g:gitgutter_eager = 0
let g:gitgutter_sign_added = ''
let g:gitgutter_sign_modified = ''
let g:gitgutter_sign_removed = ''
let g:gitgutter_sign_removed_first_line = ''
let g:gitgutter_sign_modified_removed = ''

" lightline
set noshowmode
set showtabline=2
let g:lightline = {
    \ 'colorscheme': 'wombat',
    \ 'active': {
        \ 'left': [ [ 'mode', 'paste' ],
        \           [ 'readonly', 'filename' ],
        \           [ 'ctrlpmark' ] ],
        \ 'right': [ [ 'lineinfo' ],
        \            [ 'percent' ],
        \            [ 'linter_errors' ],
        \            [ 'fileformat', 'fileencoding', 'filetype', 'linter_ok', 'linter_warnings' ] ],
    \ },
    \ 'tabline': {
        \ 'left': [ [ 'bufferinfo' ], [ 'bufferbefore', 'buffercurrent', 'bufferafter' ], ],
        \ 'right': [  ],
    \ },
    \ 'component_expand': {
        \ 'buffercurrent': 'lightline#buffer#buffercurrent2',
        \ 'linter_warnings': 'LightlineLinterWarnings',
        \ 'linter_errors': 'LightlineLinterErrors',
        \ 'linter_ok': 'LightlineLinterOK'
    \ },
    \ 'component_type': {
        \ 'buffercurrent': 'tabsel',
        \ 'readonly': 'error',
        \ 'linter_errors': 'error',
        \ 'linter_warning': 'warning',
    \ },
    \ 'component_function': {
        \ 'filename': 'LightlineFilename',
        \ 'ctrlpmark': 'CtrlPMark',
        \ 'bufferbefore': 'lightline#buffer#bufferbefore',
        \ 'bufferafter': 'lightline#buffer#bufferafter',
        \ 'bufferinfo': 'lightline#buffer#bufferinfo',
    \ },
\ }

function! LightlineFilename()
  let filename = expand('%:t') !=# '' ? expand('%:t') : '[No Name]'
  let modified = &modified ? ' +' : ''
  return filename . modified
endfunction

function! CtrlPMark()
  if expand('%:t') =~ 'ControlP' && has_key(g:lightline, 'ctrlp_item')
     call lightline#link('iR'[g:lightline.ctrlp_regex])
     return lightline#concatenate([g:lightline.ctrlp_prev, g:lightline.ctrlp_item
                 \ , g:lightline.ctrlp_next], 0)
  else
     return ''
  endif
endfunction

function! LightlineLinterWarnings() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '' : printf('%d ', all_non_errors)
endfunction

function! LightlineLinterErrors() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '' : printf('%d ', all_errors)
endfunction

function! LightlineLinterOK() abort
  let l:counts = ale#statusline#Count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  let l:all_non_errors = l:counts.total - l:all_errors
  return l:counts.total == 0 ? '0 ' : ''
endfunction

autocmd User ALELint call s:MaybeUpdateLightline()

" Update and show lightline but only if it's visible (e.g., not in Goyo)
function! s:MaybeUpdateLightline()
  if exists('#lightline')
    call lightline#update()
  end
endfunction

" Color scheme
colorscheme spacegray
" 16 millions colors
"set termguicolors
" Disable background
"hi Normal guibg=NONE ctermbg=NONE
let g:spacegray_underline_search = 1
"let g:spacegray_italicize_comments = 1

" Italic comments
highlight Comment cterm=italic
set t_ZH=
set t_ZR=