.vimrc

if !filereadable($HOME.'/.vim/autoload/plug.vim')
  !curl -fLo ~/.vim/autoload/plug.vim --create-dirs 'https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
  source $MYVIMRC
endif

call plug#begin('~/.vim/plugins')
  Plug 'airblade/vim-gitgutter'
  Plug 'aonemd/kuroi.vim'
  Plug 'dense-analysis/ale'
  Plug 'jeffkreeftmeijer/vim-numbertoggle'
  Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
  Plug 'junegunn/fzf.vim'
  Plug 'junegunn/goyo.vim'
  Plug 'machakann/vim-sandwich'
  Plug 'simnalamburt/vim-mundo'
  Plug 'terryma/vim-multiple-cursors'
  Plug 'tpope/vim-commentary'
  Plug 'tpope/vim-fugitive'
call plug#end()

set autoindent                                     " always set autoindenting on
set autoread                                       " automatically read changes in the file
set background=dark
set backspace=indent,eol,start                     " make backspace behave properly in insert mode
set clipboard=unnamedplus                          " use system clipboard; requires has('unnamedplus') to be 1
set colorcolumn=81                                 " display text width column
set completeopt=longest,menuone,preview            " better insert mode completions
set cursorline                                     " highlight current line
set formatoptions-=cro                             " disable auto comments on new lines
set hidden                                         " hide buffers instead of closing them even if they contain unwritten changes
set hlsearch                                       " highlight search patterns
set ignorecase                                     " searches are case insensitive...
set incsearch                                      " incremental search highlight
set laststatus=2                                   " always display the status bar
set lazyredraw                                     " lazily redraw screen while executing macros, and other commands
set mouse=                                         " disable the mouse support
set noswapfile                                     " disable swap files
set nowrap                                         " disable soft wrap for lines
set number                                         " display line numbers
set scrolloff=2                                    " always show 2 lines above/below the cursor
set showcmd                                        " display incomplete commands
set smartcase                                      " ...unless they contain at least one capital letter
set splitbelow                                     " vertical splits will be at the bottom
set splitright                                     " horizontal splits will be to the right
set statusline=%=%m\ %c\ %P\ %f                    " status line: modifiedflag, charcount, filepercent, filepath
set tabstop=4 shiftwidth=4 softtabstop=4 expandtab " use two spaces for indentation
set t_Co=256                                       " enable 256 colors
set ttimeoutlen=50                                 "  ...makes for a faster key response
set ttimeout                                       " time waited for key press(es) to complete...
set ttyfast                                        " more characters will be sent to the screen for redrawing
set wildmenu                                       " better menu with completion in command mode
set wildmode=longest:full,full

colorscheme kuroi

autocmd! FileType c    setlocal ts=4 sts=4 sw=4 noexpandtab
autocmd! FileType java setlocal ts=4 sts=4 sw=4 expandtab
autocmd! FileType make setlocal ts=8 sts=8 sw=8 noexpandtab
autocmd! FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
autocmd! FileType vim  setlocal ts=2 sts=2 sw=2 expandtab

"remove current line highlight in unfocused window
au VimEnter,WinEnter,BufWinEnter,FocusGained,CmdwinEnter * set cul
au WinLeave,FocusLost,CmdwinLeave * set nocul

"remove trailing whitespace on save
autocmd! BufWritePre * :%s/\s\+$//e

"The Leader
let mapleader=","

nnoremap ! :!
nnoremap <leader>w :w<cr>
"replace the word under cursor
nnoremap <leader>* :%s/\<<c-r><c-w>\>//g<left><left>
"toggle showing hidden characters
nnoremap <silent> <leader>s :set nolist!<cr>
"toggle spell checking
nnoremap <leader>ss :setlocal spell!<cr>
"toggle RTL mode
nnoremap <silent> <leader>l :set rl!<cr>
"override system files by typing :w!!
cnoremap w!! %!sudo tee > /dev/null %
"remove search highlight
nmap <leader>q :nohlsearch<CR>
"jsonify the avro selected_data retrieved from CCC
nnoremap <leader>m :%s/\s{\n\s*"\(int\\|string\\|boolean\)": \(.*\)\n\s*}/ \2/g<cr>

"move lines around
nnoremap <leader>k :m-2<cr>==
nnoremap <leader>j :m+<cr>==
xnoremap <leader>k :m-2<cr>gv=gv
xnoremap <leader>j :m'>+<cr>gv=gv

"keep text selected after indentation
vnoremap < <gv
vnoremap > >gv

"fzf
nnoremap <leader>p :FZF<cr>
nnoremap <leader>o :Lines<cr>
nnoremap <leader>t :Tags<cr>
nnoremap <leader>r :Buffers<cr>

nnoremap \  :Ag<space>
nnoremap \| :Ag <C-R><C-W><cr>:cw<cr>

"Ctags
set tags+=.git/tags
nnoremap <leader>ct :!ctags -Rf .git/tags --tag-relative --extras=+f --exclude=.git,pkg --languages=-sql<cr><cr>

" Mundo
" A git mirror of mundo.vim
let g:mundo_width = 60
let g:mundo_preview_height = 40
let g:mundo_right = 1
set undofile
set undodir=~/.vim/undo
nnoremap <F5> :MundoToggle<CR>

"GitGutter
autocmd BufWritePost * GitGutter
nnoremap <c-N> :GitGutterNextHunk<CR>
nnoremap <c-P> :GitGutterPrevHunk<CR>
nnoremap <c-U> :GitGutterUndoHunk<CR>
nnoremap <leader>B :enew<cr>
nnoremap <Tab> :bnext<cr>
nnoremap <S-Tab> :bprevious<cr>
nnoremap <leader>bq :bp <bar> bd! #<cr>
nnoremap <leader>ba :bufdo bd!<cr>
"cycle between last two open buffers
nnoremap <leader><leader> <c-^>
function! GitStatus()
  let [a,m,r] = GitGutterGetHunkSummary()
  return printf(' +%d ~%d -%d', a, m, r)
endfunction
set statusline+=%{GitStatus()}

"netrw
let g:netrw_banner=0
let g:netrw_winsize=20
let g:netrw_liststyle=3
let g:netrw_localrmdir='rm -rf'
nnoremap <leader>n :Lexplore<CR>

" Asynchronous Lint Engine
let g:ale_open_list = 1
let g:ale_keep_list_window_open = 1

"move to the split in the direction shown, or create a new split
nnoremap <silent> <C-h> :call WinMove('h')<cr>
nnoremap <silent> <C-j> :call WinMove('j')<cr>
nnoremap <silent> <C-k> :call WinMove('k')<cr>
nnoremap <silent> <C-l> :call WinMove('l')<cr>
function! WinMove(key)
  let t:curwin = winnr()
  exec "wincmd ".a:key
  if (t:curwin == winnr())
    if (match(a:key,'[jk]'))
      wincmd v
    else
      wincmd s
    endif
    exec "wincmd ".a:key
  endif
endfunction

"Goyo
nnoremap <leader>g :Goyo<cr>
if !exists('*s:goyo_leave')
  function s:goyo_leave()
    source $MYVIMRC
  endfunction
endif
autocmd! User GoyoLeave nested call <SID>goyo_leave()