init.vim

" Leader
let mapleader = "\<Space>"
let maplocalleader = ";"

" Indent
set autoindent
set expandtab
set tabstop=2
set shiftwidth=2

" Editor
set termguicolors
set number
set title
set t_Co=256
set ruler
set showcmd
set showmatch
set wrap
set cursorline
set laststatus=2
set display=lastline
set pumheight=15
set grepprg=git\ grep\ --no-index\ -I\ --line-number
set clipboard+=unnamed

" Encode
set encoding=utf-8
set fileencodings=utf-8,sjis,euc-jp
set fileformats=unix,mac

" Map
map <leader>h :%s///<left><left>
nmap <silent> <leader>/ :nohlsearch<CR>
nnoremap <C-h> <C-W>h
nnoremap <C-j> <C-W>j
nnoremap <C-k> <C-W>k
nnoremap <C-l> <C-W>l
nnoremap \r :QuickRun<CR>
nnoremap run :call RunCpp()<CR>
nnoremap an :call AccNext()<CR>
nnoremap as :call AccSubmit()<CR>

function! RunCpp()
    let result = system('g++ ' . bufname("") . ' -std=c++14 && oj t -d ./tests')
    echo result
endfunction

function! AccNext()
    let result = system('acc add -c next')
    echo result
endfunction

function! AccSubmit()
  let result = system('acc submit main.cpp -- -y')
  echo result
endfunction

call plug#begin('~/.vim/plugged')
  " denops
  Plug 'vim-denops/denops.vim'

  " ddu
  Plug 'Shougo/ddu.vim'

  " coc
  Plug 'neoclide/coc.nvim', {'branch': 'release'}
  nmap coci :CocInstall coc-explorer coc-tsserver coc-eslint coc-json coc-prettier coc-css coc-jest coc-styled-components coc-go coc-rls \| CocCommand go.install.gopls<CR>

  " fzf
  Plug '/usr/local/opt/fzf'
  Plug 'junegunn/fzf.vim'

  " vim-repeat
  Plug 'tpope/vim-repeat'

  " vim-surround
  Plug 'tpope/vim-surround'

  " vim-easymotion
  Plug 'Lokaltog/vim-easymotion'

  " display git diff
  Plug 'airblade/vim-gitgutter'

  " syntax, indent and more
  Plug 'sheerun/vim-polyglot'

  " auto close
  Plug 'cohama/lexima.vim'

  " status line
  Plug 'itchyny/lightline.vim'

  " playground
  Plug 'thinca/vim-quickrun'

  " help in Japanese
  Plug 'vim-jp/vimdoc-ja'

  " GitHub Copilot
  Plug 'github/copilot.vim'

  " color
  Plug 'w0ng/vim-hybrid'

  " telescope
  Plug 'nvim-lua/plenary.nvim'
  Plug 'nvim-telescope/telescope.nvim', { 'branch': '0.1.x' }
  Plug 'nvim-telescope/telescope-live-grep-args.nvim'

call plug#end()

" telescope
nnoremap <localleader>ff <cmd>Telescope find_files<cr>
nnoremap <localleader>fg <cmd>:lua require('telescope').extensions.live_grep_args.live_grep_args()<CR>
nnoremap <localleader>fb <cmd>Telescope buffers<cr>
nnoremap <localleader>fh <cmd>Telescope help_tags<cr>

" coc explorer
  let g:coc_explorer_global_presets = {
    \   'default': {
    \     'quit-on-open': v:true,
    \     'root-strategies': 'keep'
    \   },
    \ }

  nmap sf <Cmd>CocCommand explorer --preset default<CR>

" coc
" 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.
if has('nvim')
  inoremap <silent><expr> <c-space> coc#refresh()
else
  inoremap <silent><expr> <c-@> coc#refresh()
endif

" 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)

" Show types in TypeScript
" autocmd CursorHold * silent
nnoremap <silent> gh :call CocActionAsync('doHover')<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')

" 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 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')

" 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 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> <space>c  :<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>

" fzf
set rtp+=/usr/local/opt/fzf
set rtp+=~/.fzf
nmap <Leader>r :Tags<CR>
nmap <Leader>t :Files<CR>
nmap <Leader>a :Rg!<CR>
nmap <Leader>c :Colors<CR>

" vim-easymotion
map <leader>f <Plug>(easymotion-bd-w)

" vim-gitgutter
set updatetime=250
" lexima
call lexima#add_rule({'at': '\%#.*[-0-9a-zA-Z_,:]', 'char': '{', 'input': '{'})
call lexima#add_rule({'at': '\%#.*[-0-9a-zA-Z_,:]', 'char': '(', 'input': '('})
call lexima#add_rule({'at': '\%#.*[-0-9a-zA-Z_,:]', 'char': "'", 'input': "'"})
call lexima#add_rule({'at': '\%#.*[-0-9a-zA-Z_,:]', 'char': '"', 'input': '"'})

" lightline
let g:lightline = {
      \ 'colorscheme': 'wombat',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'cocstatus', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'cocstatus': 'coc#status'
      \ },
      \ }

" vim-quickrun
let g:quickrun_config = {}
let g:quickrun_config['typescript'] = { 'type' : 'typescript/tsc' }
let g:quickrun_config['typescript/tsc'] = {
\   'command': './node_modules/typescript/bin/tsc',
\   'exec': ['%c --target esnext --module commonjs %o %s', 'node %s:r.js'],
\   'tempfile': '%{tempname()}.ts',
\   'hook/sweep/files': ['%S:p:r.js'],
\ }

" color
set background=dark
colorscheme hybrid