vimrc

" ============ VimPlug ============
" Automatic installation
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
autocmd VimEnter *
  \ if len(filter(values(g:plugs), '!isdirectory(v:val.dir)')) 
  \| PlugInstall --sync | q 
  \| endif

let mapleader = ","

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

Plug 'https://github.com/jiangmiao/auto-pairs.git'
Plug 'https://github.com/leafgarland/typescript-vim.git'
Plug 'HerringtonDarkholme/yats.vim' 
Plug 'prabirshrestha/async.vim'
Plug 'https://github.com/vim-airline/vim-airline.git'
Plug 'https://github.com/tpope/vim-surround.git'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'junegunn/fzf', { 'do': { ->fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'junegunn/goyo.vim'
Plug 'junegunn/limelight.vim'
"Plug 'Nero-F/vim-tek-header'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-obsession'
Plug 'preservim/nerdcommenter'
Plug 'rhysd/vim-clang-format'
Plug 'vim-scripts/DoxygenToolkit.vim'

" * colorscheme *
Plug 'liuchengxu/space-vim-dark'
Plug 'https://github.com/joshdick/onedark.vim.git'
Plug 'ntk148v/vim-horizon'


call plug#end()
" =================================


" ** QuickFick SetUp **
" Automatically open, but do not go to (if there are errors) the quickfix /
" location list window, or close it when is has become empty.
"
" Note: Must allow nesting of autocmds to enable any customizations for quickfix
" buffers.
" Note: Normally, :cwindow jumps to the quickfix window if the command opens it
" (but not if it's already open). However, as part of the autocmd, this doesn't
" seem to happen.
autocmd QuickFixCmdPost [^l]* nested cwindow
autocmd QuickFixCmdPost    l* nested lwindow

" ============ Global Theming  ============
let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
let g:airline#extensions#tabline#enabled = 1
let g:netrw_banner = 0
set background=dark
if &term == 'terminator'
    set background&
endif
"let g:space_vim_dark_background = 233
"colorscheme space-vim-dark
colorscheme onedark
"hi Comment cterm=italic
syntax on
" =================================

" ============ FZF ============
" Note: this Fix black background issue in fzf window in relative to
" colorscheme
function! s:update_fzf_colors()
  let rules =
  \ { 'fg':      [['Normal',       'fg']],
    \ 'bg':      [['Normal',       'bg']],
    \ 'hl':      [['Comment',      'fg']],
    \ 'fg+':     [['CursorColumn', 'fg'], ['Normal', 'fg']],
    \ 'bg+':     [['CursorColumn', 'bg']],
    \ 'hl+':     [['Statement',    'fg']],
    \ 'info':    [['PreProc',      'fg']],
    \ 'prompt':  [['Conditional',  'fg']],
    \ 'pointer': [['Exception',    'fg']],
    \ 'marker':  [['Keyword',      'fg']],
    \ 'spinner': [['Label',        'fg']],
    \ 'header':  [['Comment',      'fg']] }
  let cols = []
  for [name, pairs] in items(rules)
    for pair in pairs
      let code = synIDattr(synIDtrans(hlID(pair[0])), pair[1])
      if !empty(name) && code > 0
        call add(cols, name.':'.code)
        break
      endif
    endfor
  endfor
  let s:orig_fzf_default_opts = get(s:, 'orig_fzf_default_opts', $FZF_DEFAULT_OPTS)
  let $FZF_DEFAULT_OPTS = s:orig_fzf_default_opts .
        \ empty(cols) ? '' : (' --color='.join(cols, ','))
endfunction

augroup _fzf
  autocmd!
  autocmd VimEnter,ColorScheme * call <sid>update_fzf_colors()
augroup END
" =============================

" relative line
set nu rnu

" completion settings
"inoremap <silent><expr> <Tab> pumvisible() ? "\<C-n>" : "\<TAB>"
"inoremap <silent><expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-TAB>"

"set completeopt=menu,menuone,preview,noselect,noinsert

" ============ CoC ============
" Note: A big part of this conf can be found on Coc repo, I added and modified some, and I don't really use everything 

" TextEdit might fail if hidden is not set.
set hidden
"
" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup
"
"" Give more space for displaying messages.
set cmdheight=2
" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.

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

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()
" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current
" position. Coc only does snippet and additional edit on confirm.
" <cr> could be remapped by other vim plugin, try `:verbose imap <CR>`.
if exists('*complete_info')
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
endif

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

nnoremap <C-p> :Files<cr>
nnoremap <leader>bl :BLines<cr>
nnoremap <leader>l :Lines<cr>
nnoremap <leader>p :GFiles<cr>
nnoremap <leader>b :Buffers<cr>
nnoremap <leader>ag :Ag<cr>

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')


" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder.
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of LS, ex: coc-tsserver
nmap <silent> <C-s> <Plug>(coc-range-select)
xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')

" Add `:Fold` command to fold current buffer.
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
" Add (Neo)Vim's native statusline support.
"
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings using CoCList:
" Show all diagnostics.
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>


" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)
nmap <F2> <Plug>(coc-rename)

" =============================

" own keymap and abbrevations
nnoremap <leader>ev :tabnew $MYVIMRC<cr>
nnoremap <leader>evs :vsplit $MYVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>

" exit terminal
tnoremap <c-a>m exit<cr>

" escape
inoremap jk <Esc>
inoremap kj <Esc>
inoremap JK <Esc>
inoremap KJ <Esc>
vnoremap q <Esc>

vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

set splitright
set splitbelow
set noswapfile
set termguicolors
set cul

" ** LimeLight **
nnoremap <leader>ml <Plug>(Limelight)

"** Goyo **
nnoremap <leader>xz :Goyo<cr>

autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!

" ** Fugitive **
nnoremap <leader>gf :diffget //2<cr>
nnoremap <leader>gh :diffget //3<cr>
nnoremap <leader>gs :G<cr>
nnoremap <leader>gl :Git log<cr>
nnoremap <leader>glg :Git log --stat --max-count=10<cr>
nnoremap <leader>glgg :Git log --graph --max-count=10<cr>

" ** RUNTIMEPATH stuff buffer**
let $RTP=split(&runtimepath, ",")[0]

" ** ClangFormat **
noremap <leader>cf :ClangFormat<cr>

" Fold conf
augroup AutoSaveFolds
  autocmd!
  autocmd BufWinLeave, BufLeave, BufWritePost ?* nested silent! mkview!
  autocmd BufWinEnter ?* silent! loadview
augroup END
"
" ** lime light **