.vimrc

let s:plugged_autoload_prefix='~/.vim'
let s:plugged_install_dir='~/.vim/plugged'
if has('nvim')
  let s:plugged_autoload_prefix='~/.local/share/nvim/site'
  let s:plugged_install_dir='~/.local/share/nvim/plugged'
endif

let s:plugged_autoload_path=s:plugged_autoload_prefix . '/autoload/plug.vim'

if empty(glob(s:plugged_autoload_path))
  let s:command='!curl -fLo ' . s:plugged_autoload_path . ' --create-dirs '
  let s:command.='https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

  silent exec s:command

  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

function! MarkdownComposer(info)
  if a:info.status == 'installed' || a:info.forced
    if has('nvim')
      silent! !cargo build --release
    else
      silent! !cargo build --release --no-default-features --features json-rpc
    endif
  endif
endfunction


" ================================================================
" => Initializing Plugins
" ================================================================
call plug#begin(s:plugged_install_dir)

" ==================================
" Formatting/colors
" ==================================
Plug 'editorconfig/editorconfig-vim'

Plug 'hail2u/vim-css3-syntax' " updates vim's built-in css to support CSS3
Plug 'cakebaker/scss-syntax.vim'
Plug 'pangloss/vim-javascript'

" I don't want the snippets provided by this package as I like my own vim-react-snippets
Plug 'HerringtonDarkholme/yats.vim', {'do': 'rm -rf UltiSnips'}
Plug 'maxmellon/vim-jsx-pretty'

" ==================================
" Linters, validators, and autocomplete
" ==================================
Plug 'alvan/vim-closetag'

Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'SirVer/ultisnips'

Plug 'mlaursen/vim-react-snippets'
Plug 'mlaursen/rmd-vim-snippets'

" ==================================
" File navigation
" ==================================
Plug 'junegunn/fzf', {'dir': '~/.fzf', 'do': './install --all'}
Plug 'junegunn/fzf.vim'

""Plug 'airblade/vim-rooter' " this changes the pwd to the project root
Plug 'scrooloose/nerdtree', {'on': ['NERDTreeToggle', 'NERDTreeFind']}
Plug 'Xuyuanp/nerdtree-git-plugin', {'on': ['NERDTreeToggle', 'NERDTreeFind']}

""Plug 'tpope/vim-fugitive'

" allows \bo to close all buffers except current focus
Plug 'vim-scripts/BufOnly.vim'

" ==================================
" Notes
" ==================================
Plug 'vimwiki/vimwiki', {'on': ['VimwikiDiaryIndex', 'VimwikiMakeDiaryNote']}

" ==================================
" General helpers and status bars
" ==================================
" allow focus events for auto-reloading buffers as needed
if has("nvim")
  " this one appears to work with nvim while vitality works with vim. vitality is not preferred since it
  " attempts to do cursor changes (yuck)
  Plug 'tmux-plugins/vim-tmux-focus-events'
else
  Plug 'sjl/vitality.vim'
endif

Plug 'tpope/vim-surround'
Plug 'tpope/vim-repeat' " mostly used so that vim-surround can be repeated
Plug 'tpope/vim-commentary' " easy comments with `gc` or `gcc`
Plug 'matze/vim-move'

Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'euclio/vim-markdown-composer', {'do': function('MarkdownComposer'), 'on': 'ComposerStart'}
call plug#end()

" ================================================================
" vim-airline
" ================================================================
" update airline to use solarized
let g:airline_theme='solarized'
let g:airline_solarized_bg='dark'

" Always show the status bar and airline
set laststatus=2
set statusline=%<\ %f\ %m%r%y%w%=\ L:\ \%l\/\%L\ C:\ \%c\ 
set cmdheight=2

" ================================================================
" vim-javascript
" ================================================================

let g:javascript_plugin_jsdoc=1

" ================================================================
" coc.vim
" ================================================================
 
" 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

let g:coc_global_extensions=[
      \ 'coc-css',
      \ 'coc-pairs',
      \ 'coc-scssmodules',
      \ 'coc-docker',
      \ 'coc-stylelintplus',
      \ 'coc-eslint8',
      \ 'coc-json',
      \ 'coc-html',
      \ 'coc-prettier',
      \ 'coc-tsserver',
      \ 'coc-yaml',
      \ 'coc-vimlsp',
      \ ]

" 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 <cr> to confirm completion, `<C-g>u` means break undo chain at current
" position. Coc only does snippet and additional edit on confirm.
if exists('*complete_info')
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  imap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
endif

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" quickly jump between diagnostics
nmap <silent> <C-k> <Plug>(coc-diagnostic-prev)
nmap <silent> <C-j> <Plug>(coc-diagnostic-next)

" show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

" goto definition
nmap <silent> gd <Plug>(coc-definition)
" goto type
nmap <silent> gK <Plug>(coc-type-definition)
" get references
nmap <silent> gr <Plug>(coc-references)

" format rename
nmap <silent> fr <Plug>(coc-rename)

" format file
nmap <silent> ff <Plug>(coc-format)



function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" fix-it -- show preview window of fixable things and choose fix
nmap <silent>fi <Plug>(coc-codeaction)

" fix eslint (also any other fixable things. Mostly used for React hook dependencies)
nmap <silent>fe <Plug>(coc-fix-current)

" fix eslint (all)
nmap <silent>fE :<C-u>CocCommand eslint.executeAutofix<cr>

" fix imports
nmap <silent>fI :<C-u>CocCommand tsserver.organizeImports<cr>

" Show all diagnostics.
nnoremap <silent> <space>a :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent> <space>e :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent> <space>c :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent> <space>o :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent> <space>s :<C-u>CocList -I symbols<cr>
" Resume latest coc list.
nnoremap <silent> <space>r :<C-u>CocListResume<CR>

"  ================================================================
" UltiSnips
" ================================================================
let g:UltiSnipsExpandTrigger='<c-space>'

" ================================================================
" NERDTree
" ================================================================
" hide more stuff in NERDTree
let g:NERDTreeShowHidden=1

" lazyily toggle nerdtree
nmap <leader>] :NERDTreeToggle<cr>
nmap <leader>F :NERDTreeFind<cr>

" ================================================================
" FZF
" ================================================================
" Allow fzf search as \t
nmap <leader>t :FZF<cr>

" Update fzf.vim actions for bindings like command-t
let g:fzf_action = {
      \ 'ctrl-s': 'split',
      \ 'ctrl-t': 'tabedit',
      \ 'ctrl-v': 'vsplit',
      \ }
let g:fzf_layout = { 'down': '~40%' }

" this allows the escape key to close the fzf window matching coc.nvim
if has("nvim")
  au TermOpen * tnoremap <buffer> <Esc> <c-\><c-n>
  au FileType fzf tunmap <buffer> <Esc>
endif

" ================================================================
" vim-move
" ================================================================
" update vim-move to use control instead of alt since mac is stupid
let g:move_key_modifier = 'C'
let g:move_map_keys = 0
let g:move_auto_indent = 0

vmap <C-j> <Plug>MoveBlockDown
vmap <C-k> <Plug>MoveBlockUp

" ================================================================
" vitality (for focus events)
" ================================================================
let g:vitality_fix_cursor=0

" ================================================================
" vim-jsx
" ================================================================
" allow jsx syntax in .js files
let g:jsx_ext_required=0

" ================================================================
" vim-closetag
" ================================================================
" Update closetag to also work on js and html files, don't want ts since <> is used for type args
let g:closetag_filenames='*.html,*.js,*.jsx,*.tsx'
let g:closetag_regions = {
    \ 'typescript': 'jsxRegion',
    \ 'typescriptreact': 'jsxRegion,tsxRegion',
    \ 'typescript.tsx': 'jsxRegion,tsxRegion',
    \ 'javascript.jsx': 'jsxRegion',
    \ 'javascriptreact': 'jsxRegion',
    \ }

" ================================================================
" vim-markdown-composer
" ================================================================
" only start markdown previewer after :ComposerStart
let g:markdown_composer_autostart=0
let g:markdown_composer_refresh_rate=-1
let g:markdown_composer_external_renderer='pandoc -f gfm -t html'
let g:markdown_composer_custom_css=['file://' . $HOME . '/dotfiles/theme.min.css']

autocmd FileType markdown nnoremap <buffer> <F12> :ComposerStart<cr>

" ================================================================
" VimWIKI
" ================================================================
let g:vimwiki_list = [{
      \ 'path': '~/vimwiki/',
      \ 'syntax': 'markdown',
      \ 'ext': '.md'
      \ }]

" ================================================================
" vim-rooter
" ================================================================
let g:rooter_patterns = ['.git', '_darcs', '.hg', '.bzr', '.svn', 'Makefile']


" ================================================================
" => General
" ================================================================
" Sets how many lines of history VIM has to remember
set history=700

" Enable filetype plugins
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread

let mapleader = "\\"
let g:mapleader = "\\"

" change directory to folder of current file
"nnoremap <leader>cd :cd %:p:h<cr>

" turn backup off since it's handled by git
set nobackup
set nowb
set noswapfile

" Make it so that if files are changed externally (ex: changing git branches) update the vim buffers automatically
if !has("nvim")
  autocmd FocusGained,BufEnter,CursorHold,CursorHoldI * if !bufexists("[Command Line]") | checktime | endif
  autocmd FileChangedShellPost *
    \ echohl WarningMsg | echo "File changed on disk. Buffer reloaded." | echohl None
endif

" Make it so any .env files are correctly styled. Normally only worked with .env
autocmd BufNewFile,BufRead * if expand('%t') =~ '.env' | set filetype=sh | endif

" For some reason it stopped setting tw correctly
au FileType gitcommit setlocal tw=72

au BufRead,BufNewFile .babelrc,.eslintrc set ft=json
au BufRead,BufNewFile *nginx.conf.* set ft=nginx

" update scss files for SassDoc comments
au FileType scss set comments^=:///

" Use ag instead of ack
if executable('ag')
  " Use ag for grepping
  let g:ackprg='ag --vimgrep'

  " grep visually selected text
  vmap <leader>g y:Ag<space><C-R>"<cr>
  nmap <leader>g :Ag<space>

  " go to previous and next matches when using <leader>g
  nmap <F9> :cp<cr>
  nmap <F10> :cn<cr>
endif

" ================================================================
" => VIM user interface
" ================================================================

"Popup menu coloring
highlight Pmenu ctermbg=gray guibg=gray
highlight PmenuSel ctermbg=black guibg=black
highlight Pmenu ctermfg=black guifg=black
highlight PmenuSel ctermfg=white guibg=white

"highlight CocHintFloat ctermfg=DarkGreen  guifg=DarkGreen
"highlight CocErrorFloat ctermfg=DarkRed  guifg=DarkRed
"for all Coc popups together 
highlight CocFloating ctermfg=DarkRed  guifg=DarkRed 

" Line Numbers
set nu

" Turn on the WiLd menu
set wildmenu

set cmdheight=2

" Always show the status bar and airline
set laststatus=2

" A buffer becomes hidden when it is abandoned (used for refactors)
set hidden

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" basic behavior
set hidden

" update tab behavior
set smartindent
set autoindent
set expandtab
set smarttab
set shiftwidth=4
set tabstop=4

" line breaking
set lbr

set ai "Auto indent
set si "Smart indent
set wrap

" Show matching brackets when text indicator is over them
set showmatch
" How many tenths of a second to blink when matching brackets
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

"mouse 
set mouse=a
if has("mouse_sgr")
	set ttymouse=sgr
	else
	set ttymouse=xterm2
	end

"tags
"set tags+=/home/an/.vim/ctags
set tags+=tags;./src/tags;/

"for opening ctags in vertical split. The default C-W C-] opens in a
"horizontal split
map <C-W><C-\> :vsp <CR>:exec("tag ".expand("<cword>"))<CR>

"to automatically save/load folds
au BufWinLeave ?* mkview
au BufWinEnter ?* silent loadview

"netrw explorer tree view style
let g:netrw_liststyle = 3

"for showing list of buffers
nnoremap gb :ls<CR>:b<Space>

"remap for inserting closing brackets, etc. 
inoremap << <<>><Left><Left>
inoremap <<<CR> <<

inoremap {      {}<Left>
inoremap {<CR>  {<CR>}<Esc>O
inoremap {{     {
inoremap {}     {}
inoremap '      ''<Left>
inoremap ''     '
inoremap "      ""<Left>
inoremap ""     "
inoremap [      []<Left>
inoremap [<CR>  [<CR>]<Esc>O
inoremap []     []
inoremap [[     [
inoremap (      ()<Left>
inoremap (<CR>  (<CR>)<Esc>O
inoremap ((     (
inoremap ()     ()

inoremap <C-h> <Left>
inoremap <C-j> <Down>
inoremap <C-k> <Up>
inoremap <C-l> <Right>
cnoremap <C-h> <Left>
cnoremap <C-j> <Down>
cnoremap <C-k> <Up>
cnoremap <C-l> <Right>


" ================================================================
" => Colors and Fonts
" ================================================================
"colored nested brackets, braces, parentheses
let g:rainbow_active = 1

" Enable syntax highlighting
syntax enable
if has("termguicolors")
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  set termguicolors
endif
"let g:solarized_old_cursor_style=1

set background=dark

" silent! colorscheme desert

" let it fail quietly if it hasn't been installed yet
" silent! colorscheme solarized8

if has("nvim")
  " Update cursor after the changes to nvim
  set guicursor=n-v-c:block-Cursor/lCursor-blinkon0
  set guicursor+=i-ci:block-Cursor/lCursor
  set guicursor+=r-cr:hor20-Cursor/lCursor
else
  set guicursor=
endif

" ================================================================
" => Files, backups and undo
" ================================================================

set undofile
set undodir=/home/an/.vim/undodir

" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set nowb
set noswapfile

" ================================================================
" => Moving around, tabs, windows and buffers
" ================================================================

" Disable highlight when <leader><cr> is pressed
map <silent> <leader><cr> :noh<cr>

map <leader>b :Buffers<cr>
map <leader>bd :Bclose<cr>

" Close all buffers except current
map <leader>bo :BufOnly<cr>

" Specify the behavior when switching between buffers 
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

" Return to last edit position when opening files (You want this!)
autocmd BufReadPost *
     \ if line("'\"") > 0 && line("'\"") <= line("$") |
     \   exe "normal! g`\"" |
     \ endif
" Remember info about open buffers on close
set viminfo^=%

" ================================================================
" => Spell checking
" ================================================================
" always enforce spell checking in text files
autocmd BufRead,BufNewFile *.txt,*.md,COMMIT_EDITMSG setlocal spell

" toggle spell checking for current file only
map <leader>ss :setlocal spell!<cr>

" linux doesn't do this by default, so enable it just to be safe
hi SpellBad cterm=underline