.vimrc

if has('python3')
endif

set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

Plugin 'tpope/vim-fugitive'
Plugin 'majutsushi/tagbar'
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'godlygeek/tabular'
Plugin 'plasticboy/vim-markdown'
Plugin 'scrooloose/nerdtree'
Plugin 'Valloric/YouCompleteMe'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'fatih/vim-go'
Plugin 'tpope/vim-surround'
Plugin 'pangloss/vim-javascript'
Plugin 'mxw/vim-jsx'
Plugin 'elzr/vim-json'
Plugin 'airblade/vim-gitgutter'
Plugin 'junegunn/fzf'
Plugin 'junegunn/fzf.vim'
Plugin 'raimondi/delimitmate'
Plugin 'w0rp/ale'
Plugin 'scrooloose/nerdcommenter'
Plugin 'elmcast/elm-vim'
Plugin 'reasonml-editor/vim-reason-plus'
Plugin 'tmhedberg/SimpylFold'
Plugin 'vim-scripts/indentpython.vim'
Plugin 'avakhov/vim-yaml'

" Plugin 'altercation/vim-colors-solarized'
Plugin 'dracula/vim'

call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
" filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

" When started as "evim", evim.vim will already have done these settings.
if v:progname =~? "evim"
	finish
endif

" Use Vim settings, rather than Vi settings (much better!).
" This must be first, because it changes other options as a side effect.

set nocompatible

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

set history=50		" keep 50 lines of command line history
set ruler		" show the cursor position all the time
set showcmd		" display incomplete commands
set incsearch		" do incremental searching


" Don't use Ex mode, use Q for formatting
map Q gq

" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
inoremap <C-U> <C-G>u<C-U>

" In many terminal emulators the mouse works just fine, thus enable it.
" if has('mouse')
	" set mouse=a
" endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
	syntax on
	set hlsearch
endif

" Only do this part when compiled with support for autocommands.
if has("autocmd")

	" Enable file type detection.
	" Use the default filetype settings, so that mail gets 'tw' set to 72,
	" 'cindent' is on in C files, etc.
	" Also load indent files, to automatically do language-dependent indenting.
	filetype plugin indent on

	" Put these in an autocmd group, so that we can delete them easily.
	augroup vimrcEx
		au!

		" For all text files set 'textwidth' to 78 characters.
		autocmd FileType text setlocal textwidth=78

		" When editing a file, always jump to the last known cursor position.
		" Don't do it when the position is invalid or when inside an event handler
		" (happens when dropping a file on gvim).
		" Also don't do it when the mark is in the first line, that is the default
		" position when opening a file.
		autocmd BufReadPost *
					\ if line("'\"") > 1 && line("'\"") <= line("$") |
					\   exe "normal! g`\"" |
					\ endif

	augroup END

else


endif " has("autocmd")

" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
if !exists(":DiffOrig")
	command DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis
				\ | wincmd p | diffthis
endif

set splitbelow
set splitright
set smartindent
set encoding=utf-8

" nnoremap <Leader>j <C-W><C-J>
" nnoremap <Leader>k <C-W><C-K>
" nnoremap <Leader>l <C-W><C-L>
" nnoremap <Leader>h <C-W><C-H>
nnoremap <Leader>q :noh<CR>
nnoremap <C-N> : YcmCompleter GoTo<CR>
nnoremap <C-P> :FZF<CR>
" nnoremap <Leader>b :buffers<CR>:buffer<Space>
nnoremap <Leader>t :TagbarToggle<CR>
nnoremap <Leader>n :NERDTreeToggle<CR>

nmap <silent> <C-k> <Plug>(ale_previous_wrap)
nmap <silent> <C-j> <Plug>(ale_next_wrap)

imap <C-L> <Right>
imap <C-H> <Left>
imap <C-J> <Down>
imap <C-K> <Up>

set nofoldenable
set noshowmode
set laststatus=2
set number
set nobackup
" colorscheme solarized
colorscheme dracula

" Setup YouCompleteMe
let pipenv_venv_path = system('pipenv --venv')
if shell_error == 0
  let venv_path = substitute(pipenv_venv_path, '\n', '', '')
  let g:ycm_python_binary_path = venv_path . '/bin/python'
else
  let g:ycm_python_binary_path = 'python'
endif
let g:ycm_autoclose_preview_window_after_completion = 1
let g:ycm_autoclose_preview_window_after_insertion = 1
let g:ycm_add_preview_to_completeopt = 1
let g:ycm_semantic_triggers = {'elm' : ['.'],}

" Setup vim airline
let g:airline#extensions#ale#enabled = 1
let g:airline#extensions#tabline#enabled = 1
"let g:airline_theme='lucius'
"let g:airline_theme='luna'
let g:airline_powerline_fonts = 1

" Setup NERDTree
" open NERDTree automatically, if open a folder or no file specify
" exit NERDTree if the only window left is NERDTree
" \ + n to toggle on and off NERDTree
let NERDTreeShowHidden=1
let NERDTreeIgnore=['\~$', '\.pyc$', '\.swp$', '\.cache$', '\.git$', '\.ipynb_checkpoints$', '\.DS_Store$', '__pycache__$']
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" Setup vim-jsx jsx extensiion requirement to be false
let g:jsx_ext_required = 0

" Setup nerdcommenter
let g:NERDSpaceDelims = 1

" Setup ALE
let g:ale_sign_column_always = 1
let g:ale_fix_on_save = 1
let g:ale_fixers = {
\   '*': ['remove_trailing_lines', 'trim_whitespace'],
\   'javascript': ['eslint'],
\   'python': ['autopep8'],
\}

" Setup ReasonML env
let g:LanguageClient_serverCommands = {
    \ 'reason': ['ocaml-language-server', '--stdio'],
    \ 'ocaml': ['ocaml-language-server', '--stdio'],
    \ }

" command! -bang -nargs=* Ag call fzf#vim#ag(<q-args>, {'options': '--delimiter : --nth 4..'}, <bang>0)
function! s:ag_to_qf(line)
  let parts = split(a:line, ':')
  return {'filename': parts[0], 'lnum': parts[1], 'col': parts[2],
        \ 'text': join(parts[3:], ':')}
endfunction

function! s:ag_handler(lines)
  if len(a:lines) < 2 | return | endif

  let cmd = get({'ctrl-x': 'split',
               \ 'ctrl-v': 'vertical split',
               \ 'ctrl-t': 'tabe'}, a:lines[0], 'e')
  let list = map(a:lines[1:], 's:ag_to_qf(v:val)')

  let first = list[0]
  execute cmd escape(first.filename, ' %#\')
  execute first.lnum
  execute 'normal!' first.col.'|zz'

  if len(list) > 1
    call setqflist(list)
    copen
    wincmd p
  endif
endfunction

command! -nargs=* Ag call fzf#run({
\ 'source':  printf('ag --nogroup --column --color "%s"',
\                   escape(empty(<q-args>) ? '^(?=.)' : <q-args>, '"\')),
\ 'sink*':    function('<sid>ag_handler'),
\ 'options': '--ansi --expect=ctrl-t,ctrl-v,ctrl-x --delimiter : --nth 4.. '.
\            '--multi --bind=ctrl-a:select-all,ctrl-d:deselect-all '.
\            '--color hl:68,hl+:110',
\ 'down':    '40%'
\ })

command! -bang -nargs=* Agp
  \ call fzf#vim#ag(<q-args>,
  \                 <bang>0 ? fzf#vim#with_preview('up:60%')
  \                         : fzf#vim#with_preview('right:50%:hidden', '?'),
  \                 <bang>0)

let g:fzf_colors =
\ { 'fg':      ['fg', 'Normal'],
  \ 'bg':      ['bg', 'Normal'],
  \ 'hl':      ['fg', 'Comment'],
  \ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
  \ 'bg+':     ['bg', 'CursorLine', 'CursorColumn'],
  \ 'hl+':     ['fg', 'Statement'],
  \ 'info':    ['fg', 'PreProc'],
  \ 'border':  ['fg', 'Ignore'],
  \ 'prompt':  ['fg', 'Conditional'],
  \ 'pointer': ['fg', 'Exception'],
  \ 'marker':  ['fg', 'Keyword'],
  \ 'spinner': ['fg', 'Label'],
  \ 'header':  ['fg', 'Comment'] }

" Setup SimpyFold
let g:SimpylFold_docstring_preview=1

autocmd FileType html setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType css setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType javascript setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType javascript.jsx setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType reason setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType yaml setlocal softtabstop=2 shiftwidth=2 tabstop=2
autocmd FileType python setlocal softtabstop=4 shiftwidth=4 tabstop=4 foldmethod=indent foldlevel=99

" Overwrite Dracula colorscheme settings
hi! link Type DraculaCyan
hi! link SpecialComment DraculaCyan