configs/init.vim

call plug#begin(expand('~/.config/nvim/plugged'))

" NERDTree
Plug 'scrooloose/nerdtree'
Plug 'jistr/vim-nerdtree-tabs'
Plug 'scrooloose/nerdcommenter'

" vim-airline
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" syntastic
Plug 'scrooloose/syntastic'

Plug 'airblade/vim-gitgutter'
Plug 'Raimondi/delimitMate'
Plug 'majutsushi/tagbar'

" rainbow parentheses
Plug 'luochen1990/rainbow'

" go
Plug 'fatih/vim-go' " Amazing combination of features.
Plug 'godoctor/godoctor.vim' " Some refactoring tools

" rust
"" will need to install https://github.com/racer-rust/racer
Plug 'racer-rust/vim-racer'
Plug 'rust-lang/rust.vim'
set hidden
let g:racer_cmd = "/home/user/.cargo/bin/racer"
let g:racer_experimental_completer = 1
let g:rustfmt_autosave = 1


" javascript
Plug 'jelera/vim-javascript-syntax'

" python
Plug 'davidhalter/jedi-vim'
Plug 'raimon49/requirements.txt.vim', {'for': 'requirements'}

" deoplete
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'zchee/deoplete-go', {'build': {'unix': 'make'}}
" neosnippet with deoplete
Plug 'Shougo/neosnippet.vim'
Plug 'Shougo/neosnippet-snippets'

" automatically adjust shiftwidth and expand tab based on current file
Plug 'tpope/vim-sleuth'

let g:deoplete#enable_at_startup = 1
" Plugin deoplete neosnippet key-mappings.
" Note: It must be "imap" and "smap".  It uses <Plug> mappings.
imap <C-k>     <Plug>(neosnippet_expand_or_jump)
smap <C-k>     <Plug>(neosnippet_expand_or_jump)
xmap <C-k>     <Plug>(neosnippet_expand_target)


" colors
Plug 'tomasr/molokai'
Plug 'srcery-colors/srcery-vim'
Plug 'rakr/vim-one'
Plug 'morhetz/gruvbox'
Plug 'toupeira/vim-desertink'
Plug 'maksimr/Lucius2'
let g:srcery_italic = 1


call plug#end()

" visual
syntax on
set ruler
set number
set title
set titlestring=nvim-%F
set t_Co=256
set cursorline
set background=dark " for the dark version

"Credit joshdick
"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 $TMUX check and use tmux's 24-bit color support
"(see < http://sunaku.github.io/tmux-24bit-color.html#usage > for more information.)
if (empty($TMUX))
  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
  "For Neovim > 0.1.5 and Vim > patch 7.4.1799 < https://github.com/vim/vim/commit/61be73bb0f965a895bfb064ea3e55476ac175162 >
  "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
endif

if $COLORTERM == 'gnome-terminal'
  set term=gnome-256color
else
  if $TERM == 'xterm'
    set term=xterm-256color
  endif
endif

set statusline=%F%m%r%h%w%=(%{&ff}/%Y)\ (line\ %l\/%L,\ col\ %c)\


" go
let g:go_auto_sameids = 1

"" go config
function! s:build_go_files()
  let l:file = expand('%')
  if l:file =~# '^\f\+\.go$'
    call go#cmd#Build(0)
  endif
endfunction


let g:go_list_type = "quickfix"
let g:go_fmt_command = "goimports"
let g:go_fmt_fail_silently = 1
let g:go_highlight_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
let g:go_highlight_structs = 1
let g:go_highlight_generate_tags = 1
let g:go_highlight_space_tab_error = 0
let g:go_highlight_array_whitespace_error = 0
let g:go_highlight_trailing_whitespace_error = 0
let g:go_highlight_extra_types = 1

" NERDTree
let NERDTreeShowHidden=1
autocmd vimenter * NERDTree
map <C-n> :NERDTreeToggle<CR>
" NERDCommenter
let g:NERDSpaceDelims = 1 " Add spaces after comment delimiters by default
let g:NERDDefaultAlign = 'left' " Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDCommentEmptyLines = 1 " Allow commenting and inverting empty lines (useful when commenting a region)


" vim-airline
"" let g:airline_theme = 'powerlineish'
let g:airline_theme='one'
let g:airline#extensions#syntastic#enabled = 1
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1
let g:airline#extensions#tagbar#enabled = 1
let g:airline_skip_empty_sections = 1


" syntastic
let g:syntastic_always_populate_loc_list=1
let g:syntastic_error_symbol='✗'
let g:syntastic_warning_symbol='⚠'
let g:syntastic_style_error_symbol = '✗'
let g:syntastic_style_warning_symbol = '⚠'
let g:syntastic_auto_loc_list=1
let g:syntastic_aggregate_errors = 1
let g:syntastic_go_checkers = ['golint', 'govet']
let g:syntastic_python_checkers = []
let g:syntastic_mode_map = { 'mode': 'active', 'passive_filetypes': ['go'] }

" rainbowparentheses
let g:rainbow_active = 1

" abbreviations
cnoreabbrev W! w!
cnoreabbrev Q! q!
cnoreabbrev Qall! qall!
cnoreabbrev Wq wq
cnoreabbrev Wa wa
cnoreabbrev wQ wq
cnoreabbrev WQ wq
cnoreabbrev W w
cnoreabbrev Q q
cnoreabbrev Qall qall

"" Switching windows
noremap <C-j> <C-w>j
noremap <C-k> <C-w>k
noremap <C-l> <C-w>l
noremap <C-h> <C-w>h

"" esc mapping
inoremap jk <ESC>
tnoremap jk <C-\><C-n>

" scroll
set scrolloff=5               " keep at least 5 lines above/below
set sidescrolloff=5           " keep at least 5 lines left/right

"" circom syntax
au BufRead,BufNewFile *.circom set filetype=circom
au BufRead,BufNewFile *.circuit set filetype=go-snark-circuit

" for file watching
set backupcopy=yes

colorscheme molokai