.vimrc

" Automatic installation of Vim-Plug
if empty(glob('~/.vim/autoload/plug.vim'))
  silent execute '!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

" Load Plugins
call plug#begin()

Plug 'tpope/vim-sensible'
Plug 'tpope/vim-fugitive'
Plug 'jiangmiao/auto-pairs'
Plug 'wakatime/vim-wakatime'
Plug 'github/copilot.vim'
Plug 'dracula/vim', { 'as': 'dracula' }
Plug 'neoclide/coc.nvim', {'branch': 'release'}

call plug#end()

" == begin:coc.nvim settings ==

" 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

" Make <tab> used for trigger completion, completion confirm, snippet expand and jump like VSCode.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? coc#_select_confirm() :
      \ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

let g:coc_snippet_next = '<tab>'

" 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
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
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 <F2> <Plug>(coc-rename)

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

augroup typescriptAndJsonCmd
  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

" Remap for do codeAction of selected region
vmap <leader>a <Plug>(coc-codeaction-selected)
nmap <leader>a <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
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')

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

" Organize imports on save for Go files
autocmd BufWritePre *.go :call CocAction('runCommand', 'editor.action.organizeImport')

" Add Prettier command
command! -nargs=0 Prettier :CocCommand prettier.formatFile

" == end:coc.nvim settings ==

" Enable mouse support
set mouse=a

" Required for vim to be iMproved
set nocompatible

" Determines filetype from name to allow intelligent auto-indenting, etc.
filetype indent plugin on

" Enable syntax highlighting
syntax enable
colorscheme dracula

" Moving lines up (Alt + Up Arrow) and down (Alt + Down Arrow)
noremap <A-down> ddp
noremap <A-up> :call feedkeys(line('.') == 1 ? '' : 'ddkP')<CR>

" Better command-line completion
set wildmenu

" Use case insensitive search except when using capital letters
set ignorecase
set smartcase

" When opening a new line and no file-specific indenting is enabled,
" keep same indent as the line you're currently on
set autoindent

" Stricter indent rules for C 
set cindent

" Display line numbers on the left
set number

" Number of visual spaces per TAB
set tabstop=2

" Number of spaces in TAB when editing
set softtabstop=2

" Number of spaces indented when reindent operations (>> and <<) are used
set shiftwidth=2

" Convert TABs to spaces
set expandtab

" Enable intelligent tabbing and spacing for indentation and alignment
set smarttab

" Configure PHP
autocmd BufEnter *.php setlocal shiftwidth=4 tabstop=4 softtabstop=4
au FileType php let b:coc_root_patterns = ['.git', '.env', 'composer.json', 'artisan']

" Set nonumber and disable mouse for .crt and .key files
autocmd BufEnter *.key,*.crt setlocal nonumber mouse=

" Add mint file type
autocmd BufNewFile,BufRead *.mint set filetype=mint