.vimrc

"
" /---------| |--      /--|  * mendes13 - Gustavo Mendes de Medeiros
" | /-------| |  \    /   |  * GitHub: https://www.github.com/mendes13
" | |         | \ \  / /| |  
" | | |---\ | | | \__/  | |  My .vimrc configuration file, feel free to try
" | \-----/ | | |       | |  it out! Keep in mind that I do use Vim Plug as
" \---------/ |_|       |_|  my plugin manager, so don't forget to install it!
"


" ===== PREFERENCES =====
syntax on
set expandtab
set smartindent
set nu
set nowrap
set smartcase
set noswapfile
set nobackup
set undodir=~/.vim/undodir
set undofile
set incsearch
set relativenumber
set backspace=indent,eol,start
set noerrorbells
set tabstop=2 softtabstop=2
set shiftwidth=2
set colorcolumn=100
highlight ColorColumn ctermbg=0 guibg=lightgrey

" change spacing for language specific
autocmd Filetype php setlocal ts=4 sts=4 sw=4

" ===== KEYBINDINGS =====

inoremap jk <ESC>
let mapleader = "\<Space>"

" Stay in visual mode when indenting. You will never have to run gv after
" performing an indentation.
vnoremap < <gv
vnoremap > >gv

" navigate split screens easily
nmap <silent> <c-k> :wincmd k<CR>
nmap <silent> <c-j> :wincmd j<CR>
nmap <silent> <c-h> :wincmd h<CR>
nmap <silent> <c-l> :wincmd l<CR>

" execute macros over a visual selection 
xnoremap @ :<C-u>call ExecuteMacroOverVisualRange()<CR>
function! ExecuteMacroOverVisualRange()
  echo "@".getcmdline()
  execute ":'<,'>normal @".nr2char(getchar())
endfunction

" ===== PLUGINS =====

call plug#begin('~/.vim/plugged')
Plug 'morhetz/gruvbox'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'christoomey/vim-tmux-navigator'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'jremmen/vim-ripgrep'
Plug 'tpope/vim-fugitive'
Plug 'preservim/nerdcommenter'
Plug 'mbbill/undotree'
Plug 'vim-airline/vim-airline'
"Plug 'vim-airline/vim-airline-themes'
Plug 'elixir-editors/vim-elixir'
Plug 'jwalton512/vim-blade'
Plug 'dart-lang/dart-vim-plugin'
Plug 'jparise/vim-graphql'
Plug 'pantharshit00/vim-prisma'
call plug#end()


" === Theme ===

" gruvbox
if has('termguicolors')
  set termguicolors
endif

set background=dark

let g:gruvbox_contrast_dark = 'hard'

colorscheme gruvbox

" --- vim-airline ---
"let g:airline_powerline_fonts = 1
"let g:airline_theme='base16_gruvbox_dark_hard'

" --- vim-ripgrep ---
if executable('rg')
  let g:rg_derive_root='true'
endif

" --- fzf ---
"fzf mapping to Ctrl + P
nnoremap <silent> <C-p> :GFiles<CR>


" --- NERDCommenter ---
" Bind <C-/> to toggle comments (for some reason vim registers <C-/> as <C-_>)
nmap <C-_>  <Plug>NERDCommenterToggle
vmap <C-_>  <Plug>NERDCommenterToggle<CR>gv
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1
" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" --- CoC.nvim ---

let g:coc_global_extensions = [
  \ 'coc-pairs',
  \ 'coc-tsserver',
  \ 'coc-go',
  \ 'coc-json', 
  \ 'coc-snippets',
  \ 'coc-html', 
  \ 'coc-css', 
  \ 'coc-elixir', 
  \ 'coc-phpls', 
  \ ]

" 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

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" 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()
" most terminals send <C-space> as <Nul>
inoremap <silent><expr> <Nul> 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)

" 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')

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

" 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

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current line.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" 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>
" Find symbol of current document.
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>