init.vim

""" Optixal's Neovim Init.vim

""" Vim-Plug
call plug#begin()

" Aesthetics - Main
Plug 'dracula/vim', { 'as': 'dracula' }
Plug 'arcticicestudio/nord-vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'bryanmylee/vim-colorscheme-icons'
Plug 'mhinz/vim-startify'
Plug 'junegunn/goyo.vim'
Plug 'junegunn/limelight.vim'
Plug 'junegunn/seoul256.vim'
Plug 'junegunn/vim-journal'
"Plug 'junegunn/rainbow_parentheses.vim'
Plug 'luochen1990/rainbow'
"Plug 'nightsense/forgotten'
Plug 'zaki/zazen'
Plug 'catppuccin/nvim', { 'as': 'catppuccin' }
" Aethetics - Additional
"Plug 'nightsense/nemo'
Plug 'yuttie/hydrangea-vim'
Plug 'chriskempson/tomorrow-theme', { 'rtp': 'vim' }
Plug 'rhysd/vim-color-spring-night'

" Functionalities
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-sensible'
Plug 'tpope/vim-surround'
Plug 'majutsushi/tagbar'
Plug 'preservim/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'ryanoasis/vim-devicons'
Plug 'scrooloose/nerdcommenter'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'mhinz/vim-signify'
Plug 'jiangmiao/auto-pairs'
Plug 'junegunn/vim-easy-align'
Plug 'alvan/vim-closetag'
Plug 'tpope/vim-abolish'
" Plug 'nathanaelkane/vim-indent-guides'
Plug 'Yggdroot/indentLine'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'sheerun/vim-polyglot'
Plug 'chrisbra/Colorizer'
Plug 'KabbAmine/vCoolor.vim'
Plug 'heavenshell/vim-pydocstring', { 'do': 'make install' }
Plug 'vim-scripts/loremipsum'
Plug 'metakirby5/codi.vim'
Plug 'dkarter/bullets.vim'
Plug 'psliwka/vim-smoothie'
Plug 'antoinemadec/FixCursorHold.nvim'
" Plug 'wellle/context.vim'

" Entertainment
Plug 'dansomething/vim-hackernews'

call plug#end()

""" Main Configurations
" filetype plugin indent on
set tabstop=2 softtabstop=2 shiftwidth=2 expandtab smarttab autoindent
set incsearch ignorecase smartcase hlsearch
set wildmode=longest,list,full wildmenu
set ruler laststatus=2 showcmd showmode
set nowrap breakindent
set encoding=utf-8
set textwidth=0
set hidden
set number
set title

""" Coloring

" Functions and autocmds to run whenever changing colorschemes
function! TransparentBackground()
    highlight Normal guibg=NONE ctermbg=NONE
    highlight LineNr guibg=NONE ctermbg=NONE
    highlight VertSplit gui=NONE guibg=NONE guifg=#444444 cterm=NONE ctermbg=NONE ctermfg=gray
endfunction

function! DraculaPMenu()
    highlight Pmenu guibg=#363948
    highlight PmenuSbar guibg=#363948
endfunction

augroup MyColors
    autocmd!
    autocmd ColorScheme dracula call DraculaPMenu()
    autocmd ColorScheme * call TransparentBackground() " uncomment if you are using a translucent terminal and you want nvim to use that
augroup END

" Main Coloring Configurations
syntax on
color nord

" Enable True Color Support (ensure you're using a 256-color enabled $TERM, e.g. xterm-256color)
set termguicolors

""" Plugin Configurations

" NERDTree
let NERDTreeShowHidden=1
" Exit Vim if NERDTree is the only window left.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif

" Airline
let g:airline_powerline_fonts = 1
let g:airline_section_z = ' %{strftime("%-I:%M %p")}'
let g:airline_section_warning = ''
"let g:airline#extensions#tabline#enabled = 1 " Uncomment to display buffer tabline above

" Neovim :Terminal
tmap <Esc> <C-\><C-n>
tmap <C-w> <Esc><C-w>
"tmap <C-d> <Esc>:q<CR>
autocmd BufWinEnter,WinEnter term://* startinsert
autocmd BufLeave term://* stopinsert

" vim-pydocstring
let g:pydocstring_doq_path = '~/.config/nvim/env/bin/doq'

" Supertab
let g:SuperTabDefaultCompletionType = "<C-n>"

" EasyAlign
xmap ga <Plug>(EasyAlign)
nmap ga <Plug>(EasyAlign)

" indentLine
let g:indentLine_char_list = ['│','╎', '┆', '┊']
let g:indentLine_showFirstIndentLevel = 1
let g:indentLine_enabled = 1
set list lcs=tab:\┆\
"Rainbow
let g:rainbow_active = 1



" TagBar
let g:tagbar_width = 30

" fzf-vim
let g:fzf_action = {
  \ 'ctrl-t': 'tab split',
  \ 'ctrl-s': 'split',
  \ 'ctrl-v': 'vsplit' }
let g:fzf_colors =
\ { 'fg':      ['fg', 'Normal'],
  \ 'bg':      ['bg', 'Normal'],
  \ 'hl':      ['fg', 'Comment'],
  \ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
  \ 'bg+':     ['bg', 'CursorLine', 'CursorColumn'],
  \ 'hl+':     ['fg', 'Statement'],
  \ 'info':    ['fg', 'Type'],
  \ 'border':  ['fg', 'Constant'],
  \ 'prompt':  ['fg', 'Character'],
  \ 'pointer': ['fg', 'Exception'],
  \ 'marker':  ['fg', 'Keyword'],
  \ 'spinner': ['fg', 'Label'],
  \ 'header':  ['fg', 'Comment'] }

" Bat theme for syntax coloring when viewing files in fzf
let $BAT_THEME='base16'

" Limelight
let g:limelight_conceal_ctermfg = 'gray'
let g:limelight_conceal_guifg = 'gray'

" Startify
let g:startify_fortune_use_unicode = 1

" Startify + NERDTree on start when no file is specified
autocmd VimEnter *
    \   if !argc()
    \ |   Startify
    \ |   NERDTree
    \ |   wincmd w
    \ | endif

" coc.vim START

" 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

" coc.vim END

" signify
let g:signify_sign_add = '│'
let g:signify_sign_delete = '│'
let g:signify_sign_change = '│'
hi DiffDelete guifg=#ff5555 guibg=none

" FixCursorHold for better performance
let g:cursorhold_updatetime = 100

" context.vim
let g:context_nvim_no_redraw =1

""" Filetype-Specific Configurations

" HTML, XML, Jinja
autocmd FileType html setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType css setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType xml setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType htmldjango setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType htmldjango inoremap {{ {{  }}<left><left><left>
autocmd FileType htmldjango inoremap {% {%  %}<left><left><left>
autocmd FileType htmldjango inoremap {# {#  #}<left><left><left>

" Markdown and Journal
autocmd FileType markdown setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType journal setlocal shiftwidth=2 tabstop=2 softtabstop=2

""" Custom Functions

" Trim Whitespaces
function! TrimWhitespace()
    let l:save = winsaveview()
    %s/\\\@<!\s\+$//e
    call winrestview(l:save)
endfunction

" Dracula Mode (Dark)
function! ColorDracula()
    let g:airline_theme='dracula'
    color dracula
endfunction

" Seoul256 Mode (Dark & Light)
function! ColorSeoul256()
    let g:airline_theme='silver'
    color seoul256
endfunction

" Forgotten Mode (Light)
function! ColorForgotten()
    " Other light airline themes: tomorrow, silver, alduin
    let g:airline_theme='tomorrow'
    " Other light colors: forgotten-light, nemo-light
    color forgotten-light
endfunction

" Zazen Mode (Black & White)
function! ColorZazen()
    let g:airline_theme='minimalist'
    color zazen
endfunction

""" Custom Mappings

let mapleader=","
nmap <leader>$s <C-w>s<C-w>j:terminal<CR>:set nonumber<CR><S-a>
nmap <leader>$v <C-w>v<C-w>l:terminal<CR>:set nonumber<CR><S-a>
nmap <leader>q :NERDTreeToggle<CR>
nmap \\ <leader>q
nmap <leader>w :TagbarToggle<CR>
nmap \| <leader>w
nmap <leader>ee :Colors<CR>
nmap <leader>ea :AirlineTheme
nmap <leader>e1 :call ColorDracula()<CR>
nmap <leader>e2 :call ColorSeoul256()<CR>
nmap <leader>e3 :call ColorForgotten()<CR>
nmap <leader>e4 :call ColorZazen()<CR>
nmap <leader>r :so ~/.config/nvim/init.vim<CR>
nmap <leader>t :call TrimWhitespace()<CR>
nmap <leader>y <C-w>v<C-w>l:HackerNews best<CR>J
nmap <leader>p <Plug>(pydocstring)
xmap <leader>a gaip*
nmap <leader>a gaip*
nmap <leader>s :Rg<CR>
nmap <leader>d :Files<CR>
nmap <leader>f :BLines<CR>
nmap <leader>g :Goyo<CR>
"nmap <leader>h :RainbowParentheses!!<CR>
nmap <leader>j :set filetype=journal<CR>
nmap <leader>k :ColorToggle<CR>
nmap <leader>l :Limelight!!<CR>
xmap <leader>l :Limelight!!<CR>
autocmd FileType python nmap <leader>x :0,$!~/.config/nvim/env/bin/python -m yapf<CR>
nmap <silent> <leader><leader> :noh<CR>
nmap <Tab> :bnext<CR>
nmap <S-Tab> :bprevious<CR>

" May need for vim (not neovim) since coc.nvim calculate byte offset by count
" utf-8 byte sequence.
set encoding=utf-8
" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=300

" Always show the signcolumn, otherwise it would shift the text each time
" diagnostics appear/become resolved.
set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate.
" NOTE: There's always complete item selected by default, you may want to enable
" no select by `"suggest.noselect": true` in your configuration file.
" 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>
      \ coc#pum#visible() ? coc#pum#next(1) :
      \ CheckBackspace() ? "\<Tab>" :
      \ coc#refresh()
inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"

" Make <CR> to accept selected completion item or notify coc.nvim to format
" <C-g>u breaks current undo, please make your own choice.
inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

function! CheckBackspace() 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 `[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 ShowDocumentation()<CR>

function! ShowDocumentation()
  if CocAction('hasProvider', 'hover')
    call CocActionAsync('doHover')
  else
    call feedkeys('K', 'in')
  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)

" Run the Code Lens action on the current line.
nmap <leader>cl  <Plug>(coc-codelens-action)

" 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 CocActionAsync('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     CocActionAsync('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>
colorscheme catppuccin-mocha
let g:airline_theme='nord'
highlight Comment cterm=NONE gui=NONE