.vimrc

" Use 24-bit (true-color) mode in Vim/Neovim when outside tmux.
" If you're using tmux version 2.2 or later, you can remove the outermost $TMUX
" check and use tmux's 24-bit color support
" (see < http://sunaku.github.io/tmux-24bit-color.html#usage > for more
" information.)
if (has("nvim"))
  " For Neovim 0.1.3 and 0.1.4 <https://github.com/neovim/neovim/pull/2198>
  let $NVIM_TUI_ENABLE_TRUE_COLOR=1
endif

" Based on Vim patch 7.4.1770 (`guicolors` option)
" <https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd>
" <https://github.com/neovim/neovim/wiki/Following-HEAD#20160511>
if (has("termguicolors"))
  set termguicolors
endif

scriptencoding utf-8
set encoding=utf-8


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" basic behvior

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" Tabs behavior
set list listchars=tab:»·,trail:· " tab/space character display
set tabstop=2 " size of a hard tabstop
set expandtab " always uses spaces instead of tab character
set shiftwidth=2" size of an "indent"
set shiftround " indent should be multiple of shiftwidth when using < and >
set showtabline=2 " Always show tabs
set backspace=2 " Fix backspace issue

" Enable mouse scrolling and clicking
" set mouse=a

" g<Ctrl+o> to create a new line above cursor in normal mode
nmap g<C-O> o <ESC>k
" gO to create a new line below cursor in normal mode
nmap gO O<ESC>j

" Leader-w to close a tab
nnoremap <leader>w :tabclose<CR>

" keep the cursor centered
nnoremap j jzz
nnoremap k kzz
nmap G Gzz
nmap n nzz
nmap N Nzz
nmap } }zz
nmap { {zz

" searching
set is " enable incremental search
set ic " case insensitive search
set smartcase " case sensitive search when uppercase letters typed
set hls " highlight all search results (turn off until next search with `:noh`)
" nmap <silent> <leader>/ :nohlsearch<CR> " clear highlights until next search

" split right and below
set splitbelow
set splitright

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" visuals

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" syntax highlighting
syntax on

" theme (Atom One Dark)
let g:onedark_termcolors=256
colorscheme onedark

" column markers at 80 and 120 chars
set colorcolumn=80,120
" Highlight current row in insert mode
autocmd InsertEnter * set cul
autocmd InsertLeave * set nocul

" line numbers
set number relativenumber " show line numbers (relative)
" set number " show line numbers (normal)

" Change cursor in insert mode to pipe
" changes the cursor shape/color
" in the terminal depending on the mode
" see http://code.google.com/p/iterm2/issues/detail?id=710&q=cursor
function! SetCursorStyle()
  if &term =~ "xterm\\|rxvt"
    " use a | cursor in insert mode
    let &t_SI = "\<Esc>]50;CursorShape=1\x7"

    " use a rectangle cursor otherwise
    let &t_EI = "\<Esc>]50;CursorShape=0\x7"

    " reset cursor when vim exits
    autocmd VimLeave * silent !echo -ne "\<Esc>]50;CursorShape=0\x7"

  endif
endfunction

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" vim-plug

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if (!has("nvim") {
  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


  call plug#begin()
  " Theme & Visuals
    Plug 'joshdick/onedark.vim'
    Plug 'bling/vim-airline'
  " NERD
    Plug 'scrooloose/nerdtree'
    Plug 'jistr/vim-nerdtree-tabs'
  " Linting & Code Comlpetion
    Plug 'scrooloose/syntastic'
    Plug 'mtscout6/syntastic-local-eslint.vim'
    " Plug 'valloric/youcompleteme'
    Plug 'neoclide/coc.nvim', { 'branch': 'release' }
    Plug 'prettier/vim-prettier', { 'do': 'yarn install' }
    Plug 'ruanyl/vim-sort-imports'
    Plug 'sheerun/vim-polyglot'
    Plug 'joukevandermaas/vim-ember-hbs'
    Plug 'evanleck/vim-svelte'
  " 'should-be-standard' functionality
    Plug 'danro/rename.vim'
    " Plug 'roxma/vim-paste-easy' " not compatible with coc.nvim :(
    Plug 'scrooloose/nerdcommenter'
    Plug 'jiangmiao/auto-pairs'
    Plug 'tpope/vim-surround'
  " search
    Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --bin' }
    Plug 'junegunn/fzf.vim'
    Plug 'skwp/greplace.vim'
  " git
    Plug 'airblade/vim-gitgutter'
    Plug 'tpope/vim-fugitive'
  " To Try out
  call plug#end()

  """""""""""""""""""
  " Plugin Settings "
  """""""""""""""""""

  " CtrlP Settings
  " ignore files in gitignore
  let g:ctrlp_user_command =
    \ ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']
  " Use smart tabs extensions with CTRL+P to open in a file if that tab is
  " already open
  let g:ctrlp_extensions = ['smarttabs']
  let g:ctrlp_match_window='bottom,btt,min:1,max:10,results:50'
  let g:ctrlp_custom_ignore={
   \   'dir': '\v[\/](node_modules|i18n)'
   \ }

  " Syntastic Settings
  let g:syntastic_javascript_checkers=['eslint']
  set statusline+=%#warningmsg#
  set statusline+=%{SyntasticStatuslineFlag()}
  set statusline+=%*
  let g:syntastic_always_populate_loc_list = 1
  let g:syntastic_auto_loc_list = 1
  let g:syntastic_check_on_open = 1
  let g:syntastic_check_on_wq = 0

  " NERDTree
  let NERDTreeMapOpenInTab='t' " Open in new tab with 't' key
  let NERDTreeShowHidden=1 " Show hidden files and folders in NERDTree
  " <Ctrl+\> to toggle nerdtree
  nnoremap <silent> <c-\> :NERDTreeTabsToggle<CR>
  inoremap <silent> <c-\> :NERDTreeTabsToggle<CR>
  vnoremap <silent> <c-\> :NERDTreeTabsToggle<CR>

  " use fzf for Ctrl-P stuff
  let g:fzf_history_dir = '~/.fzf-history'
  nnoremap <C-p> :GFiles<CR>
  nnoremap <C-a> :Files<CR>
  nnoremap <C-b> :Buffers<CR>
  " Silver searcher async grep fuzzy finder search
  map <leader>f <ESC>:Rg<CR>
  command! -bang -nargs=* Rg
    \ call fzf#vim#grep(
    \   'rg --column --line-number --no-ignore-vcs --no-heading --color=always --smart-case --hidden -g "!{node_modules/*,.git/*,i18n/*,.gradle/*,tmp/*,build/*,config/external/*,dist/*}" -- '.shellescape(<q-args>), 1,
    \   fzf#vim#with_preview(), <bang>0)

  " NERDCommenter settings
  " nnoremap <silent> <c-/> :call NERDComment(0, "toggle")<CR>
  let g:NERDSpaceDelims = 1

  " Coc.nvim settings
  let g:coc_global_extensions = ['coc-tsserver', 'coc-html', 'coc-css', 'coc-ember', 'coc-emmet', 'coc-json']
  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
}


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" Various ViM settings

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" No swap files
set noswapfile

" set updatetime to higher interval (lower number) original is 4000
set updatetime=100

" allow hidden buffers to exist
set hidden
" enable spell check in markdown files
autocmd BufRead,BufNewFile *.md setlocal spell