dotfiles/dot_config/nvim/init.vim

"let g:ale_disable_lsp = 1

call plug#begin('~/.config/nvim/autoload/plugged')
Plug 'junegunn/vim-easy-align'
Plug 'dense-analysis/ale'
Plug 'tpope/vim-rails'
Plug 'vim-ruby/vim-ruby'
Plug 'hashivim/vim-terraform'
Plug 'cespare/vim-toml'
Plug 'ntpeters/vim-better-whitespace'
"Plug 'pearofducks/ansible-vim'
Plug 'itchyny/vim-gitbranch'
Plug 'rust-lang/rust.vim'
Plug 'airblade/vim-gitgutter'
"Plug 'elixir-editors/vim-elixir'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'kyazdani42/nvim-web-devicons'
Plug 'kyazdani42/nvim-tree.lua'
Plug 'svermeulen/vimpeccable'
Plug 'sp5/nvim-colors-solarized'
"Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'preservim/nerdtree'
Plug 'NoahTheDuke/vim-just'
Plug 'dewyze/vim-tada'
call plug#end()

set nocompatible
set history=1000
set title
set encoding=utf-8
set scrolloff=3
set ttyfast
set laststatus=2
set ff=unix
set number
set tabstop=2
set shiftwidth=2
set softtabstop=2
set nojoinspaces
set expandtab
set listchars=tab:>-,trail:-
set list
set noshowmode
set hlsearch
set incsearch
set termguicolors
set visualbell
set noerrorbells
set whichwrap=<,>,[,],b,
set backspace=indent,eol,start
set number
set autoread
set nobackup
set nowritebackup
set nowb
set noswapfile
let mapleader = " "

syntax on
filetype on
filetype plugin on
filetype plugin indent on
autocmd FileType make set noexpandtab shiftwidth=8 softtabstop=0
autocmd FileType rust set shiftwidth=4 softtabstop=4 tabstop=4
autocmd FileType terraform set expandtab
let g:rustfmt_autosave = 1
let g:terraform_fmt_on_save = 1
autocmd FileType html set shiftwidth=4 softtabstop=4 tabstop=4
autocmd FileType javascript set shiftwidth=4 softtabstop=4 tabstop=4
autocmd FileType htmldjango set shiftwidth=4 softtabstop=4 tabstop=4
autocmd FileType just set shiftwidth=4 softtabstop=4 tabstop=4
autocmd BufNewFile,BufRead *.tera set syntax=django
" autocmd BufNewFile,BufRead justfile setf make expandtab shiftwidth=8 softtabstop=0
autocmd FileType *.md set expandtab

" Center screen when scrolling search results
nmap n nzz
nmap N Nzz

"colorscheme solarized
let g:airline_powerline_fonts=1
let g:airline_theme='base16_one_light'
let g:airline_theme='owo'
let g:airline#extensions#tabline#enabled = 1

noremap <F2> :bp<CR>
noremap <F3> :bn<CR>
set pastetoggle=<F5>

" highlight trailing whitespace
highlight ExtraWhitespace ctermbg=lightblue guibg=lightblue
match ExtraWhitespace /\s\+$/
autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
autocmd InsertLeave * match ExtraWhitespace /\s\+$/
autocmd BufWinLeave * call clearmatches()

let g:ale_linters = {
    \ 'rust': ['analyzer'],
    \ 'sh': ['shellcheck','shfmt','remove_trailing_lines','trim_whitespace'],
    \ }
let g:ale_cursor_detail = 0
let g:ale_fix_on_save = 1

" Start interactive EasyAlign in visual mode (e.g. vipga)
xmap ga <Plug>(EasyAlign)

" Start interactive EasyAlign for a motion/text object (e.g. gaip)
nmap ga <Plug>(EasyAlign)

nnoremap <silent><leader>1 :source ~/.config/nvim/init.vim \| :PlugInstall<CR>
map <Leader>s :StripWhitespace<CR>

nnoremap <leader>g :Rg<CR>
nnoremap <leader>p :Files<CR>
nnoremap <silent><leader>l :Buffers<CR>

nnoremap <F8> :call SetNewPassword()<CR>
function! SetNewPassword()
  let cur_word = expand('<cword>')
  let cmd = 'pwgen ' . strlen(cur_word) . ' 1'
  let new_password = system(cmd)[:-2]
  " Replace current word with a new random password of the same length
  call setline(line('.'), substitute(getline('.'), cur_word, new_password, ""))
endfunction

" Relative numbering
function! NumberToggle()
  if(&relativenumber == 1)
    set nornu
    set number
  else
    set rnu
  endif
endfunc

" Toggle between normal and relative numbering.
noremap <F6> :call NumberToggle()<cr>

" File Browser
nnoremap <leader>e :NvimTreeToggle<CR>
nnoremap <leader>r :NvimTreeRefresh<CR>
nnoremap <leader>n :NvimTreeFindFile<CR>
let g:nvim_tree_auto_close = 1
" let g:nvim_tree_quit_on_open = 1
let g:nvim_tree_git_hl = 1

"set guifont=OperatorMono\ Nerd\ Font:h16

" Set internal encoding of vim, not needed on neovim, since coc.nvim using some
" unicode characters in the file autoload/float.vim
set encoding=utf-8

" TextEdit might fail if hidden is not set.
set hidden

" Give more space for displaying messages.
"set cmdheight=1

" 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("nvim-0.5.0") || 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

" Make <CR> auto-select the first completion item and notify coc.nvim to
" format on enter, <cr> could be remapped by other vim plugin
"inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
"                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

" 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>')
"  elseif (coc#rpc#ready())
"    call CocActionAsync('doHover')
"  else
"    execute '!' . &keywordprg . " " . expand('<cword>')
"  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)

" Remap <C-f> and <C-b> for scroll float windows/popups.
"if has('nvim-0.4.0') || has('patch-8.2.0750')
"  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
"  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
"  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
"  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
"  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
"  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
"endif

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
"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>