.vimrc

" become ~*~modern~*~
set nocompatible
set encoding=utf-8
set exrc
set secure

" file highlighting
syntax enable
" file-specific indenting
filetype plugin indent on

" On Windows, use Unix line endings
set fileformats=unix,dos
set fileformat=unix

" persistent-undo
set undofile
autocmd BufWritePre /tmp/* setlocal noundofile

" tab settings
set smarttab

augroup vimrc
  autocmd!

  autocmd BufWritePre /tmp/* setlocal noundofile

  " extra filetype detection
  autocmd BufNewFile,BufRead *.asm set filetype=nasm
  autocmd BufNewFile,BufRead *.{mjs,cjs} set filetype=javascript
  autocmd BufNewFile,BufRead *.{mts,cts} set filetype=typescript
  autocmd BufNewFile,BufRead *.{gohtml,html.jinja,html.j2} set filetype=html

  " default tab settings (needs to be autocmd b/c these are buffer-local)
  autocmd FileType *           setlocal tabstop=8 softtabstop=2   expandtab shiftwidth=2 autoindent copyindent
  " language-specific settings
  autocmd Filetype glsl        setlocal tabstop=4 softtabstop=0 noexpandtab shiftwidth=4
  autocmd Filetype go          setlocal tabstop=8 softtabstop=0 noexpandtab shiftwidth=8
  autocmd Filetype make        setlocal tabstop=4 softtabstop=0 noexpandtab shiftwidth=4
  autocmd Filetype markdown    setlocal spell textwidth=79
  autocmd Filetype python      setlocal tabstop=4 softtabstop=4   expandtab shiftwidth=4
  autocmd Filetype rust        setlocal tabstop=4 softtabstop=4   expandtab shiftwidth=4
  autocmd Filetype tex         setlocal spell

  " tex keybindings (up arrow goes into wrap)
  autocmd Filetype tex noremap  <silent> <Up>   gk
  autocmd Filetype tex noremap  <silent> <Down> gj
  autocmd Filetype tex inoremap <silent> <Up>   <C-o>gk
  autocmd Filetype tex inoremap <silent> <Down> <C-o>gj
augroup END

" Commands to specifically use tabs/spaces for a given file
command! -nargs=0 Tabs   :setlocal tabstop=8 softtabstop=0 noexpandtab shiftwidth=8
command! -nargs=0 Spaces :setlocal tabstop=8 softtabstop=2   expandtab shiftwidth=2

" see tabs
set list
set listchars=tab:▶·

" natural backspace, linewrap settings
set backspace=indent,eol,start
set whichwrap=<,>,[,]

" Open all folds by default (use zM to close all folds)
set foldlevel=99
set foldlevelstart=99

" column to not go over
set colorcolumn=+1
highlight ColorColumn ctermbg=darkgray

" searching
set wildmenu
set hlsearch
set incsearch
set showmatch
set smartcase

" left side
set number
set ruler
set hidden

" allows using <Esc> when in terminal windows
tnoremap <Esc> <C-\><C-n>

" allows use of mouse
set mouse=a

" makes it so colors show up correctly in tmux
set background=dark
" make it so colors show up correctly in cmd.exe
set termguicolors

" Maybe I'll do per-filetype colorschemes someday? For the most popular
" filetypes.
let g:normal_colorschemes = [
    \ 'base24-espresso',
    \ 'base16-da-one-gray',
    \ 'base16-decaf',
    \ 'base16-eighties',
    \ 'base16-precious-dark-eleven',
    \ 'base16-tomorrow-night',
    \ 'base16-solarflare',
\ ]
    " I _don't_ want my nvim panes to be the same color as normal panes
    " actually
    " \ 'base16-helios',
command Colo execute 'colorscheme' normal_colorschemes[rand() % len(normal_colorschemes)]

let g:light_colorschemes = [
    \ 'base16-da-one-white',
    \ 'base16-equilibrium-light',
\ ]
    " \ 'base16-ia-light',
    " \ 'base16-precious-light-white',
command ColoLight execute 'colorscheme' light_colorschemes[rand() % len(light_colorschemes)]

let bad_colorschemes = [
    \ 'base16-horizon-dark',
    \ 'base24-borland',
    \ 'base24-ic-green-ppl',
    \ 'base24-ic-orange-ppl',
    \ 'blue',
    \ 'habamax',
    \ 'sorbet',
    \ 'unokai',
    \ 'wildcharm',
\ ]
command ColoBad execute 'colorscheme' bad_colorschemes[rand() % len(bad_colorschemes)]

" Set the color scheme
if !exists('g:colors_name')
  " This is my definite favorite, though others in :Colo are nice too
  colorscheme base24-espresso
endif

" Don't pass messages to |ins-completion-menu|
set shortmess+=c

" Allow copy with Ctrl+Shift+C
vnoremap <C-S-c> "+y
" Allow copy with Super+C
vnoremap <D-c> "+y
" Default OS paste support (at least for Kitty) includes Ctrl+Shift+V and
" Super+V. Configure these in the terminal, and they _should_ "just work" here.

" Pasting in WSL is a bit trickier, however:
if $DOTFILES_WSL != ""
  " First, we have to set up the correct keyboard handlers
  let g:clipboard = {
  \   'name': 'WslClipboard',
  \   'copy': {
  \      '+': 'clip.exe',
  \      '*': 'clip.exe',
  \    },
  \   'paste': {
  \      '+': 'powershell.exe -c [Console]::Out.Write($(Get-Clipboard -Raw).tostring().replace("`r", ""))',
  \      '*': 'powershell.exe -c [Console]::Out.Write($(Get-Clipboard -Raw).tostring().replace("`r", ""))',
  \   },
  \   'cache_enabled': 0,
  \ }

  " Then, because the above shortcuts are incompatible, we need to use others:
  " Allow copy with Alt+Shift+C
  vnoremap <M-C> "+y
  " Allow paste with Alt+Shift+V
  noremap <M-V> <cmd>norm "+p<cr>
  inoremap <M-V> <cmd>norm "+p<cr>
endif

" Open file from OS clipboard. Only works in normal mode due to restrictions
" of <cmd>
nnoremap <leader>po :tabedit <C-r>+<cr>
" Open file from default clipboard
nnoremap <leader>pp :tabedit <C-r>"<cr>

" better tab navigation commands (from vim-unimpaired)
noremap [<Tab> <cmd>tabprevious<cr>
noremap ]<Tab> <cmd>tabnext<cr>

" better window navigation commands (my own invention)
noremap [w <C-w>W
noremap ]w <C-w>w

" better hunk navigation (like vim-unimpaired but respects count)
function! s:Context(reverse, count) abort
  let i = 0
  let count = a:count > 0 ? a:count : 1
  while i < count
    call search('^\(@@ .* @@\|[<=>|]\{7}[<=>|]\@!\)', a:reverse ? 'b' : '')
    let i += 1
  endwhile
endfunction

" TODO: document these somehow
noremap [n <cmd>call <SID>Context(1, v:count)<cr>
noremap ]n <cmd>call <SID>Context(0, v:count)<cr>

" quickly open current window in new tab
noremap <C-w>n <cmd>tab split<cr>

" ocamlformat
set rtp^="$HOME/.opam/default/share/ocp-indent/vim"