call plug#begin('~/.vim/plugged')

Plug 'Raimondi/delimitMate'
Plug 'Shougo/vimproc.vim', {'do' : 'make'}
Plug 'SirVer/ultisnips'
Plug 'chrisbra/Colorizer'
Plug 'eagletmt/ghcmod-vim'
Plug 'eagletmt/neco-ghc'
Plug 'Valloric/YouCompleteMe'
Plug 'honza/vim-snippets'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'ervandew/supertab'
Plug 'thinca/vim-quickrun'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fireplace'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-repeat'
Plug 'junegunn/fzf.vim'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-vinegar'
Plug 'ap/vim-buftabline'
Plug 'w0rp/ale'
Plug 'challenger-deep-theme/vim', { 'as': 'challenger-deep' }
Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'fsharp/vim-fsharp', {
      \ 'for': 'fsharp',
      \ 'do':  'make fsautocomplete',
      \}

" Initialize plugin system
call plug#end()

" general stuff
filetype plugin indent on
let mapleader=","
set clipboard=unnamed
set autoindent
set smarttab
set tabstop=8
set softtabstop=4
set shiftwidth=4
set expandtab
set backspace=indent,eol,start
set mouse=a

set guioptions-=m  "remove menu bar
set guioptions-=T  "remove toolbar
set guioptions-=L  "remove left-hand scroll bar
set guioptions-=r  "remove right-hand scroll bar

augroup StripSpace
    autocmd BufWritePre * :%s/\s\+$//e
augroup END

" autorefresh files
set autoread
set directory=$HOME/.vim/swapfiles//
set autochdir

" linenumbers
set number
set relativenumber

" keybindings
imap jk <Esc>
inoremap <Nul> <C-Space>
nnoremap <C-Tab> :bnext<CR>

vmap > >gv
vmap < <gv

" Linting with Ale

" highlight errors in red
highlight link ALEErrorLine error
" delay linting
let g:ale_lint_delay = 1000
" airline integration
let g:airline#extensions#ale#enabled = 1

" completion with YouCompleteMe
" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
let g:SuperTabDefaultCompletionType = '<C-n>'

" better key bindings for UltiSnipsExpandTrigger
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"

" fzf
" respect colorscheme
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'] }

" delimitMate
let g:delimitMate_expand_cr = 1
let g:delimitMate_expand_space = 1

" bind file search
nnoremap <c-p> :FZF ~<CR>
nnoremap <leader>a :Ag<CR>

" automatically close scratch buffer
let g:ycm_autoclose_preview_window_after_insertion = 1
let g:ycm_autoclose_preview_window_after_completion = 1

" fonts & colors
set termguicolors
set background=dark
colo challenger_deep
syntax on
set guifont=Ubuntu\ Mono\ 13

" Fsharp
let g:fsharp_only_check_errors_on_write = 1
let g:fsharp_completion_helptext = 1
let g:fsharp_helptext_comments = 1

" C++
let g:ycm_global_ycm_extra_conf = '~/.ycm_extra_conf.py'

" Ruby
augroup Ruby
    autocmd!
    autocmd FileType ruby setlocal shiftwidth=2 tabstop=2
augroup END

" Haskell
let g:haskellmode_completion_ghc = 0
augroup Haskell
    autocmd!
    autocmd FileType haskell setlocal omnifunc=necoghc#omnifunc
    autocmd BufWritePost *.hs silent! !brittany --write-mode inplace <afile>
augroup END
" custom haskell keybindings
au Filetype haskell nnoremap <Leader>t :GhcModTypeInsert<CR>
au Filetype haskell nnoremap <Leader>s :GhcModSplitFunCase<CR>
au FileType haskell nnoremap <buffer> <F1> :HdevtoolsType<CR>
au FileType haskell nnoremap <buffer> <silent> <F2> :HdevtoolsClear<CR>
au FileType haskell nnoremap <buffer> <silent> <F3> :HdevtoolsInfo<CR>