init.vim

set runtimepath^=~/.vim runtimepath+=~/.vim/after
let &packpath = &runtimepath

""" General Settings """
set nocompatible
filetype plugin on
syntax on
set shortmess+=I
set number
set relativenumber
set scrolloff=2 " number of lines offset when scrolling
set laststatus=2
set backspace=indent,eol,start
set hidden "Open buffers without saving current modificaionts (buffer remains open)
set hlsearch incsearch ignorecase smartcase "http://vim/wikia.com/wiki/Searching
map <leader>h :set hlsearch!<cr>
set incsearch
set ignorecase
set smartcase
set incsearch
set noerrorbells visualbell t_vb=
set autoindent "Indent new line the same as the preceding line
set shiftround
set expandtab tabstop=2 shiftwidth=2 softtabstop=2 "Tab key enters 2 spaces; to enter a TAB character: CTRL-v-TAB
set colorcolumn=80
highlight ColorColumn ctermbg=233
set foldmethod=indent
set foldlevel=99
set mouse+=a "Enable mouse support

""" Clipboard """
set clipboard=unnamedplus " Not working anymore after Ubuntu update

" Workaround

if system('uname -r') =~ "microsoft"
  augroup Yank
    autocmd!
    autocmd TextYankPost * if v:event.operator == 'y' | call system('/mnt/c/windows/system32/clip.exe ', @") | endif
  augroup END
endif

" Disable backup and swap files
set nobackup
set nowritebackup
set noswapfile

""" File specific """

"" Python
autocmd FileType python setlocal tabstop=4
autocmd FileType python setlocal softtabstop=4
autocmd FileType python setlocal shiftwidth=4
autocmd FileType python setlocal expandtab
autocmd FileType python setlocal autoindent
autocmd FileType python setlocal fileformat=unix
autocmd BufNewfile *.py call append(0,'#! /usr/bin/env python')
autocmd FileType python map <buffer> <C-b> :w<CR>:exec '!python3' shellescape(@%, 1)<CR>
autocmd FileType python imap <buffer> <C-b> <esc>:w<CR>:exec '!python3' shellescape(@%, 1)<CR>

"" HTML
" ts = 'number of spaces that <Tab> in file uses'
" sts = 'number of spaces that <Tab> uses while editing'
" sw = 'number of spaces to use for (auto)indent step'
autocmd FileType html setlocal ts=2 sts=2 sw=2

"" JavaScript
autocmd FileType javascript setlocal ts=4 sts=4 sw=4

""" Plugins """
call plug#begin('~/.vim/plugged')

Plug 'tomtom/tcomment_vim'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-surround'
Plug 'vimwiki/vimwiki'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'alvan/vim-closetag'
" Plug 'jiangmiao/auto-pairs'
Plug 'airblade/vim-gitgutter'
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}  " We recommend updating the parsers on update
Plug 'itchyny/lightline.vim'

" Formatting
Plug 'a-vrma/black-nvim', {'do': ':UpdateRemotePlugins'}

" Colorschemes
Plug 'folke/tokyonight.nvim'
Plug 'rktjmp/lush.nvim'
Plug 'gruvbox-community/gruvbox'
" Plug 'morhetz/gruvbox'
" Plug 'npxbr/gruvbox.nvim'
" Plug 'eddyekofo94/gruvbox-flat.nvim'
Plug 'joshdick/onedark.vim'

" Telescope requirements
Plug 'nvim-lua/popup.nvim'
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim'
Plug 'nvim-telescope/telescope-fzf-native.nvim', {'do': 'make'}
" Telescope extensions
Plug 'fannheyward/telescope-coc.nvim'

call plug#end()

"" Plugin config ""

" Black extension configuration
let g:python3_host_prog = $HOME . '/.local/venv/nvim/bin/python'
nnoremap <buffer><silent> <c-q> <cmd>call Black()<cr>
inoremap <buffer><silent> <c-q> <cmd>call Black()<cr>
let g:black#settings = {
    \ 'fast': 1,
    \ 'line_length': 88
\}

" coc.nvim config
" coc plugins
let g:coc_global_extensions = [
        \ 'coc-snippets',
        \ 'coc-pairs',
        \ 'coc-pyright',
        \ 'coc-python',
        \ 'coc-json',
        \ 'coc-java',
        \ 'coc-css',
        \ 'coc-tsserver',
  \ ]
"        \ 'coc-html',

" Plugin config

" Prettier (for JS, TS, CSS, JSON) config
command! -nargs=0 Prettier :CocCommand prettier.formatFile


" 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

" 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.
" Disabled below as I want to use <C-s> for saving
" 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>

"" Vim-closetag configuration

" filenames like *.xml, *.html, *.xhtml, ...
" These are the file extensions where this plugin is enabled.
"
let g:closetag_filenames = '*.html,*.xhtml,*.phtml'

" filenames like *.xml, *.xhtml, ...
" This will make the list of non-closing tags self-closing in the specified files.
"
let g:closetag_xhtml_filenames = '*.xhtml,*.jsx'

" filetypes like xml, html, xhtml, ...
" These are the file types where this plugin is enabled.
"
let g:closetag_filetypes = 'html,xhtml,phtml'

" filetypes like xml, xhtml, ...
" This will make the list of non-closing tags self-closing in the specified files.
"
let g:closetag_xhtml_filetypes = 'xhtml,jsx'

" integer value [0|1]
" This will make the list of non-closing tags case-sensitive (e.g. `<Link>` will be closed while `<link>` won't.)
"
let g:closetag_emptyTags_caseSensitive = 1

" dict
" Disables auto-close if not in a "valid" region (based on filetype)
"
let g:closetag_regions = {
    \ 'typescript.tsx': 'jsxRegion,tsxRegion',
    \ 'javascript.jsx': 'jsxRegion',
    \ 'typescriptreact': 'jsxRegion,tsxRegion',
    \ 'javascriptreact': 'jsxRegion',
    \ }

" Shortcut for closing tags, default is '>'
"
let g:closetag_shortcut = '>'

" Add > at current position without closing the current tag, default is ''
"
let g:closetag_close_shortcut = '<leader>>'


"" Telescope extension configuration
lua << EOF

-- Telescope Defaults
require('telescope').setup{
  defaults = {
    vimgrep_arguments = {
      'rg',
      '--color=never',
      '--no-heading',
      '--with-filename',
      '--line-number',
      '--column',
      '--smart-case'
    },
    prompt_prefix = "> ",
    selection_caret = "> ",
    entry_prefix = "  ",
    initial_mode = "insert",
    selection_strategy = "reset",
    sorting_strategy = "descending",
    layout_strategy = "horizontal",
    layout_config = {
      horizontal = {
        mirror = false,
      },
      vertical = {
        mirror = false,
      },
    },
    file_sorter =  require'telescope.sorters'.get_fuzzy_file,
    file_ignore_patterns = {},
    generic_sorter =  require'telescope.sorters'.get_generic_fuzzy_sorter,
    winblend = 0,
    border = {},
    borderchars = { '─', '│', '─', '│', '╭', '╮', '╯', '╰' },
    color_devicons = true,
    use_less = true,
    path_display = {},
    set_env = { ['COLORTERM'] = 'truecolor' }, -- default = nil,
    file_previewer = require'telescope.previewers'.vim_buffer_cat.new,
    grep_previewer = require'telescope.previewers'.vim_buffer_vimgrep.new,
    qflist_previewer = require'telescope.previewers'.vim_buffer_qflist.new,

    -- Developer configurations: Not meant for general override
    buffer_previewer_maker = require'telescope.previewers'.buffer_previewer_maker
  },
  extensions = {
    fzf = {
      fuzzy = true,                    -- false will only do exact matching
      override_generic_sorter = false, -- override the generic sorter
      override_file_sorter = true,     -- override the file sorter
      case_mode = "smart_case",        -- or "ignore_case" or "respect_case"
                                -- the default case_mode is "smart_case"
    }
  }
}

-- Telescope coc
require('telescope').load_extension('coc')

-- Telescope fzf
require('telescope').load_extension('fzf')

EOF

"" Remappings
nnoremap <leader>ps :lua require('telescope.builtin').grep_string({ search = vim.fn.input("Grep For > ")})<CR>
nnoremap <C-p> :lua require('telescope.builtin').git_files()<CR>
nnoremap <Leader>pf :lua require('telescope.builtin').find_files()<CR>

nnoremap <leader>pw :lua require('telescope.builtin').grep_string { search = vim.fn.expand("<cword>") }<CR>
nnoremap <leader>pb :lua require('telescope.builtin').buffers()<CR>
nnoremap <leader>vh :lua require('telescope.builtin').help_tags()<CR>
nnoremap <leader>gw :lua require('telescope').extensions.git_worktree.git_worktrees()<CR>
nnoremap <leader>gm :lua require('telescope').extensions.git_worktree.create_git_worktree()<CR>

" Move whole lines up/down
vnoremap J :m '>+1<CR>gv=gv'
vnoremap K :m '<-2<CR>gv=gv'

" Paste yy/dd on cursor
nnoremap gP i<CR><Esc>PkJxJx
nnoremap gp a<CR><Esc>PkJxJx

" Yank till end of line
nnoremap Y y$

" Moving lines
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2><CR>gv=gv
nnoremap <leader>k :m .-2<cr>==
nnoremap <leader>j :m .+1<cr>==


"" Colorscheme

" Tokyonight
let g:tokyonight_style = "night"
let g:tokyonight_transparent = 1

" Onedark
let g:onedark_italic_functions = 1
let g:onedark_transparent = 1
let g:onedark_sidebars = [ "qf", "vista_kind", "terminal", "packer" ]

" Gruvbox-flat
let g:gruvbox_transparent = 1

""" Theme """
colorscheme gruvbox
:set bg=dark
hi Normal ctermbg=none " Removing background
highlight NonText ctermbg=none
" Show whitespace (Must be inserted after? colorscheme command)
:highlight ExtraWhitespace ctermbg=red guibg=red
:match ExtraWhitespace /\s\+$/
" Delete trailing whitespace
nnoremap <F5> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar><CR>

let g:lightline = {
      \ 'colorscheme': 'wombat',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'gitbranch', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'gitbranch': 'FugitiveHead'
      \ },
      \ 'mode_map': {
        \ 'n' : 'N',
        \ 'i' : 'I',
        \ 'R' : 'R',
        \ 'v' : 'V',
        \ 'V' : 'VL',
        \ "\<C-v>": 'VB',
        \ 'c' : 'C',
        \ 's' : 'S',
        \ 'S' : 'SL',
        \ "\<C-s>": 'SB',
        \ 't': 'T',
        \ },
      \ }

set noshowmode