init.vim

set nocompatible            " disable compatibility to old-time vi
set showmatch               " show matching 
set ignorecase              " case insensitive 
set mouse=v                 " middle-click paste with 
set hlsearch                " highlight search 
set incsearch               " incremental search
set tabstop=4               " number of columns occupied by a tab 
set softtabstop=4           " see multiple spaces as tabstops so <BS> does the right thing
set expandtab               " converts tabs to white space
set shiftwidth=4            " width for autoindents
set autoindent              " indent a new line the same amount as the line just typed
set number                  " add line numbers
set wildmode=longest,list   " get bash-like tab completions
set cc=80                  " set an 80 column border for good coding style
filetype plugin indent on   "allow auto-indenting depending on file type
syntax on                   " syntax highlighting
set mouse=a                 " enable mouse click
set clipboard=unnamedplus   " using system clipboard
filetype plugin on
set cursorline              " highlight current cursorline
set ttyfast                 " Speed up scrolling in Vim
" set spell                 " enable spell check (may need to download language package)
" set noswapfile            " disable creating swap file
" set backupdir=~/.cache/vim " Directory to store backup files.

call plug#begin("~/.vim/plugged")
" Plugin Section

Plug 'dracula/vim'
" devicons for vim
Plug 'ryanoasis/vim-devicons'
" Snippets
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'
" File Manager
Plug 'scrooloose/nerdtree'
Plug 'preservim/nerdcommenter'
Plug 'mhinz/vim-startify'
" Live Language Server
Plug 'neoclide/coc.nvim', {'branch': 'release'}
" Monokai Pro for Neovim
Plug 'phanviet/vim-monokai-pro'
" Barbar Tabline
"Plug 'kyazdani42/nvim-web-devicons'
Plug 'romgrk/barbar.nvim'
" GitSigns
Plug 'nvim-lua/plenary.nvim'
Plug 'lewis6991/gitsigns.nvim'
" Feline Statusline
Plug 'famiu/feline.nvim'
Plug 'norcalli/nvim-colorizer.lua'
Plug 'tribela/vim-transparent'
call plug#end()

" color schemes
 if (has("termguicolors"))
 set termguicolors
 endif
 syntax enable
" colorscheme evening
" colorscheme dracula
colorscheme monokai_pro

" open new split panes to right and below
set splitright
set splitbelow

" move line or visually selected block - alt+j/k
inoremap <A-j> <Esc>:m .+1<CR>==gi
inoremap <A-k> <Esc>:m .-2<CR>==gi
vnoremap <A-j> :m '>+1<CR>gv=gv
vnoremap <A-k> :m '<-2<CR>gv=gv" move split panes to left/bottom/top/right
nnoremap <A-h> <C-W>H
nnoremap <A-j> <C-W>J
nnoremap <A-k> <C-W>K
nnoremap <A-l> <C-W>L" move between panes to left/bottom/top/right
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Press i to enter insert mode, and ii to exit insert mode.
:inoremap ii <Esc>
:inoremap jk <Esc>
:inoremap kj <Esc>
:vnoremap jk <Esc>
:vnoremap kj <Esc>

" open file in a text by placing text and gf
nnoremap gf :vert winc f<cr>" copies filepath to clipboard by pressing yf
:nnoremap <silent> yf :let @+=expand('%:p')<CR>
" copies pwd to clipboard: command yd
:nnoremap <silent> yd :let @+=expand('%:p:h')<CR>" Vim jump to the last position when reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
    \| exe "normal! g'\"" | endif
endif

" 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("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>

" Barbar Config

" NOTE: If barbar's option dict isn't created yet, create it
let bufferline = get(g:, 'bufferline', {})

" Enable/disable animations
let bufferline.animation = v:true

" Enable/disable auto-hiding the tab bar when there is a single buffer
let bufferline.auto_hide = v:false

" Enable/disable current/total tabpages indicator (top right corner)
let bufferline.tabpages = v:true

" Enable/disable close button
let bufferline.closable = v:true

" Enables/disable clickable tabs
"  - left-click: go to buffer
"  - middle-click: delete buffer
let bufferline.clickable = v:true

" Enable/disable icons
" if set to 'buffer_number', will show buffer number in the tabline
" if set to 'numbers', will show buffer index in the tabline
" if set to 'both', will show buffer index and icons in the tabline
let bufferline.icons = 'numbers'

" Sets the icon's highlight group.
" If false, will use nvim-web-devicons colors
let bufferline.icon_custom_colors = v:false

" Configure icons on the bufferline.
let bufferline.icon_separator_active = '▎'
let bufferline.icon_separator_inactive = '▎'
let bufferline.icon_close_tab = 'x'
let bufferline.icon_close_tab_modified = '●'
let bufferline.icon_pinned = '!'

" If true, new buffers will be inserted at the start/end of the list.
" Default is to insert after current buffer.
let bufferline.insert_at_start = v:false
let bufferline.insert_at_end = v:false

" Sets the maximum padding width with which to surround each tab.
let bufferline.maximum_padding = 4

" Sets the maximum buffer name length.
let bufferline.maximum_length = 30

" If set, the letters for each buffer in buffer-pick mode will be
" assigned based on their name. Otherwise or in case all letters are
" already assigned, the behavior is to assign letters in order of
" usability (see order below)
let bufferline.semantic_letters = v:true

" New buffer letters are assigned in this order. This order is
" optimal for the qwerty keyboard layout but might need adjustement
" for other layouts.
let bufferline.letters =
  \ 'asdfjkl;ghnmxcvbziowerutyqpASDFJKLGHNMXCVBZIOWERUTYQP'

" Sets the name of unnamed buffers. By default format is "[Buffer X]"
" where X is the buffer number. But only a static string is accepted here.
let bufferline.no_name_title = v:null

lua << EOF
require('feline').setup({
    preset = 'noicon'
})

require('colorizer').setup()
EOF

augroup trl_group
    au BufRead,BufNewFile *.trl set filetype=tr-lang
augroup end