init.vim

if exists('g:fvim_loaded') || exists('g:neovide_loaded') || exists('g:nvy')
  " FIX: made path generic.
  source ~\AppData\Local\nvim\ginit.vim
endif

" Enable Adaptive cursor in iTerm2.
" let $NVIM_TUI_ENABLE_CURSOR_SHAPE=1
" let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
" let &t_SR = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=2\x7\<Esc>\\"
" let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
" Sets cursor styles
" Block in normal, line in insert, underline in replace
set guicursor=n-v-c-sm:block,i-ci-ve:ver25-Cursor,r-cr-o:hor20

set nocompatible
" Settings that I don't know how to translate to lua.
" - Enable settings for specific filetypes.
filetype plugin on

" Don't parse long lines for syntax highlight.
set synmaxcol=256
syntax sync minlines=256

" Lua config.
lua << EOF
  require('init');
EOF

" General keybindings.
" * Integration with system.
let g:omnipresence_hotkey = 'f11'

" Search for item under cursor in vim docs (:help).
" - 'investigate help'
noremap <leader>gih K

" # Custom commands.
" * File related.
" - Move visually selected chunk of text into a new file.
:command! -bang -range -nargs=1 -complete=file MoveWrite  <line1>,<line2>write<bang> <args> | <line1>,<line2>delete _
" - Append visually selected chunk of text to a file.
:command! -bang -range -nargs=1 -complete=file MoveAppend <line1>,<line2>write<bang> >> <args> | <line1>,<line2>delete _

if exists('g:started_by_firenvim')
  " Disable status line.
  set laststatus=0
endif

augroup Dashboard
  autocmd! * <buffer>
  autocmd User dashboardReady let &l:stl = 'Dashboard'
  autocmd User dashboardReady nnoremap <buffer> <leader>qe :exit<cr>
  "autocmd User dashboardReady nnoremap <buffer> <leader>u <cmd>PackerUpdate<CR>
  autocmd User dashboardReady nnoremap <buffer> <leader>l <cmd>SessionLoad<CR>
augroup END

" LSP
" * Autocomplete.
set completeopt=menu,menuone,noselect
let g:autopep8_disable_show_diff=1

" Use omni completion provided by lsp.
autocmd Filetype python setlocal omnifunc=v:lua.vim.lsp.omnifunc

" Coding
" * Wordmotion.
" let g:wordmotion_prefix = ','
let g:wordmotion_nomap = 1

" * Matching braces.
packadd! matchit

" * Surround.
"  HELP: *surround-customizing*, *curly-braces-names*
" - visually select what you want to wrap and then press S- to tigger
"   the - surrounding. It will then prompt you for a 'start' and 'ending' text.
let g:surround_{char2nr('-')} = "\1start: \1\r\2end: \2"
" - **L**ua anonymous function.
let g:surround_{char2nr('la')} = "function() \r end"

" * Keep visual mode after indent.
" TODO: `>` overlaps with put commands => delay is added.
vnoremap > >gv
vnoremap < <gv

" * Select just pasted text in last used mode [if you used linewise selection
" - V, if characterwise - v,..].
" FIX: `[ marks get rewritten during autosave.
nnoremap <expr> gp '`[' . strpart(getregtype(), 0, 1) . '`]'

" * Yanking.

" * Remaping line concatenation for use of j with modifier in non-vim apps.
noremap <a-j> J

augroup Markdown
  " Clear all autocommands that were set before that.
  autocmd!
  "autocmd BufNewFile,BufReadPost *.markdown,*.mdown,*.mkd,*.mkdn,*.mdwn,*.md
   "autocmd Filetype markdown set filetype=markdown
  let g:markdown_fenced_languages = [
    \'sh',
    \'bash=sh',
    \
    \'css',
    \'sass',
    \
    \'javascript',
    \'js=javascript',
    \'json=javascript',
    \
    \'python',
    \'py=python',
    \
    \'xml',
    \'html'
  \]
  " - Folding
  let g:vim_markdown_folding_level=3

  " - Enabling conceal for ~~strikethroughText~~
  let g:vim_markdown_strikethrough = 1

  " - Disabling autoindentation on `o`.
  let g:vim_markdown_new_list_item_indent = 0

  " - Autofit table of contents.
  let g:vim_markdown_toc_autofit = 1

  " - Enable follow the anchors (links) inside file.
  let g:vim_markdown_follow_anchor = 1

  " * mkdx settings.
  " - Highlighting.
  " - Enable shift+enter to create a new line with indentation but without new
  "   item in list.
  " - Enable dead link detection for external links.
  " - Updates TOC before saving the file.
  " - Enabling folding of inline code blocks and TOC.
  let g:mkdx#settings = { 'highlight': { 'enable': 1 },
    \ 'enter': { 'shift': 1 }, 
    \ 'links': { 'external': { 'enable': 1 } },
    \ 'toc': { 'position': 1, 'text': 'Table of Contents', 'update_on_write': 1 },
    \ 'fold': { 'enable': 1 }}

  " - Concealing things like **bold**.
  autocmd FileType markdown setlocal conceallevel=2 
  " - Disabling concealing on current line for all mods.
  autocmd FileType markdown setlocal concealcursor= 

  " # Markdown Preview.
  " Echo preview page url in command line when open preview page.
  let g:mkdp_echo_preview_url = 1
augroup END

" Navigation.
" # Across files.
" * Rel.
" - Jump to link (have to define here too because which_key doesn't handle
"   conflicts occured by <unique> mapping of a Rel.vim).
nnoremap <leader>gl <Plug>(Rel)
" - Url encode / decode.
vnoremap <leader>en :!python3 -c 'import sys; from urllib import parse; print(parse.quote_plus(sys.stdin.read().strip()))'<cr>
vnoremap <leader>de :!python3 -c 'import sys; from urllib import parse; print(parse.unquote_plus(sys.stdin.read().strip()))'<cr>

" # Inside file.
" * Matching targets
"  (jumping nicely, but only inside []).
nnoremap ]b :call searchpair('\[','','\]')<cr>
nnoremap [b :call searchpair('\[','','\]','b')<cr>

" Abbreviations
runtime abbreviations.vim

"" TODO: What it does?
cmap <F7> <C-\>eAppendSome()<CR>
func AppendSome()
   let cmd = getcmdline()
   <c-\>e
   " place the cursor on the )
   " call setcmdpos(strlen(cmd))
   " return cmd
endfunc

" Highlight
augroup HighlightLeadingWhiteSpace
  " Clear all autocommands that were set before that.
  autocmd!
  autocmd ColorScheme highlight WhiteSpaceLeading guifg=#918278
  autocmd ColorScheme highlight WhiteSpace guifg=#efe0b9
  autocmd ColorScheme match WhiteSpace / /
  autocmd ColorScheme 2match WhiteSpaceLeading /^ \+/
augroup END