" vim:ts=8
"
" vim 8 config
" joshua stein <jcs@jcs.org>
"

" defaults for everything
set backspace=indent,eol,start
let c_minlines=500
set encoding=utf-8
" TODO: check for utf-8 term or this gives a warning
set fillchars+=vert:│
set hidden
set ignorecase
set incsearch
set laststatus=2
set modelines=5
set nocompatible
set nofoldenable
set nohlsearch
set nostartofline
set ruler
set scrolloff=10
set shiftwidth=4
set showcmd
set showmatch
set showmode
set smartcase
set smarttab
set spellcapcheck=
set spellfile=~/.vimspell.add
set spelllang=en_us
set tabstop=4
set timeoutlen=0
set wildmode=longest,list,full

" required for vundle
filetype off

" don't pollute directories with swap files, keep them in one place
silent !mkdir -p ~/.vim/{backup,swp}/
set backupdir=~/.vim/backup//
set directory=~/.vim/swp//
" except crontab, which will complain that it can't see any changes
au FileType crontab setlocal bkc=yes

" minor color config
set t_Co=256
syntax on
colorscheme jcs

" highlight stray spaces and tabs when out of insert mode
au BufWinEnter * match ExtraWhitespace /\(\s\+$\|\^\s*     \+\)/
au InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
au InsertLeave * match ExtraWhitespace /\(\s\+$\|\^\s*     \+\)/
" performance hack
if version >= 702
  au BufWinLeave * call clearmatches()
endif

" try to detect xterm pasting to automatically disable autoindent and such
if &term =~ "xterm.*"
    let &t_ti = &t_ti . "\e[?2004h"
    let &t_te = "\e[?2004l" . &t_te

    function XTermPasteBegin(ret)
        set pastetoggle=<Esc>[201~
        set paste
        return a:ret
    endfunction

    map <expr> <Esc>[200~ XTermPasteBegin("i")
    imap <expr> <Esc>[200~ XTermPasteBegin("")
    cmap <Esc>[200~ <nop>
    cmap <Esc>[201~ <nop>
endif

" when writing new files, mkdir -p their paths
augroup BWCCreateDir
    au!
    au BufWritePre * if expand("<afile>")!~#'^\w\+:/' && !isdirectory(expand("%:h")) | execute "silent! !mkdir -p ".shellescape(expand('%:h'), 1) | redraw! | endif
augroup END

" init vim-plug (run "vim +PlugInstall +qall" after modifying)
" these require apostrophes instead of quotes
call plug#begin()
Plug 'VundleVim/Vundle.vim'
Plug 'ap/vim-buftabline'
Plug 'ludovicchabant/vim-gutentags'
Plug 'cespare/vim-sbd'
Plug 'scrooloose/nerdtree'
Plug 'wsdjeg/vim-fetch'
Plug 'markonm/traces.vim'
Plug 'tpope/vim-commentary'
call plug#end()

" disable plugin auto-indenting
filetype indent off
filetype plugin indent off

" make buffer windows easier to navigate
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l
" control+n and +p for next and previous buffers, but only in normal mode
nmap <C-n> :bn<CR>
nmap <C-p> :bp<CR>
" sbd plugin
nmap <C-x> :Sbd<CR>
" control+/
noremap <C-_> :Commentary<CR>

" prevent those from running the nerdtree
autocmd FileType nerdtree noremap <buffer> <C-h> <nop>
autocmd FileType nerdtree noremap <buffer> <C-j> <nop>
autocmd FileType nerdtree noremap <buffer> <C-k> <nop>
autocmd FileType nerdtree noremap <buffer> <C-l> <nop>
autocmd FileType nerdtree noremap <buffer> <C-n> <nop>
autocmd FileType nerdtree noremap <buffer> <C-p> <nop>

" just highlight the line with the error, i don't need a column
set signcolumn=no
" disable previews of completions
set completeopt-=preview

" make < and > shifts retain selection
vnoremap < <gv
vnoremap > >gv

" disable annoying behavior where starting an auto-indented line with a hash
" makes it unindent and refuse to >>
:inoremap # X#

" per-file-type settings
" tell vim what kinds of files these are based on extension
au BufNewFile,BufRead *.phtml setlocal ft=php
au BufNewFile,BufRead *.rake,*.mab setlocal ft=ruby
au BufNewFile,BufRead *.erb setlocal ft=eruby
au BufNewFile,BufRead *.pjs setlocal ft=php.javascript
au BufRead,BufNewFile *.go setlocal ft=go
au BufNewFile,BufRead *.dsl setlocal ft=

" default to no color column
au FileType * setlocal colorcolumn=0

" all source code gets wrapped at <80 and auto-indented
au FileType arduino,asm,c,cpp,go,java,javascript,php,html,make,objc,perl setlocal tw=79 autoindent colorcolumn=81

" recognize crystal
au BufNewFile,BufReadPost *.cr setlocal filetype=crystal
au BufNewFile,BufReadPost *.ecr setlocal filetype=ecrystal
au FileType crystal,ecrystal setlocal ts=2 sw=2 tw=79 et sts=2 autoindent colorcolumn=81

" ruby and lua have soft tabs
au FileType ruby,eruby,lua setlocal ts=2 sw=2 tw=79 et sts=2 autoindent colorcolumn=81
au FileType ruby setlocal commentstring=#\ %s
au FileType yaml setlocal ts=2 sw=2 et colorcolumn=81

" makefiles and c have tabstops at 8 for portability
au FileType arduino,asm,make,c,cpp setlocal ts=8 sw=8
au FileType c setlocal commentstring=//\ %s

" email and commit messages - expand tabs, wrap at 68 for future quoting, enable spelling
au FileType cvs,gitcommit,mail setlocal tw=68 et spell colorcolumn=69

" markdown files get hard tabs, wrapped at 79 and spell checking
au FileType markdown setlocal tw=79 spell colorcolumn=81

" and make sure cvs adds a blank line for me to start typing
" (openbsd's cvs does this by default)
au FileType cvs s/^CVS:/
CVS:/|1

" and for email, work properly with format=flowed
au FileType mail setlocal formatoptions+=wq

" website stuff
au BufNewFile,BufRead *_posts/*.md setlocal tw=80 spell

" z80 assembler syntax file is outdated
au Syntax z8a syn match z8aPreProc "\.equ"
au Syntax z8a syn match z8aPreProc "\.gblequ"
au Syntax z8a syn match z8aPreProc "\.lclequ"

augroup Binary
  au!
  au BufReadPre  *.bin,*.pkt let &bin=1
  au BufReadPost *.bin,*.pkt if &bin | %!xxd
  au BufReadPost *.bin,*.pkt set ft=xxd | endif
  au BufWritePre *.bin,*.pkt if &bin | %!xxd -r
  au BufWritePre *.bin,*.pkt endif
  au BufWritePost *.bin,*.pkt if &bin | %!xxd
  au BufWritePost *.bin,*.pkt set nomod | endif
augroup END

" package configuration

" gutentags
let g:gutentags_cache_dir="~/.vim/gutentags"
" use ectags
if filereadable("/usr/local/bin/ectags")
	let g:gutentags_ctags_executable="/usr/local/bin/ectags"
elseif filereadable("/opt/homebrew/bin/ctags")
	let g:gutentags_ctags_executable="/opt/homebrew/bin/ctags"
endif
let g:gutentags_ctags_executable_go="~/go/bin/gotags"
let g:gutentags_project_root=[ "CVS", ".git", ".gutentags_stop" ]
" i'll manually invoke :GutentagsUpdate when i need to
let g:gutentags_generate_on_missing=0
let g:gutentags_generate_on_new=0
let g:gutentags_generate_on_write=0

" only enable buftabline on multiple buffers
let g:buftabline_show=1

" nerdtree
let g:NERDTreeDirArrowExpandable="+"		" use normal ascii
let g:NERDTreeDirArrowCollapsible="~"
let NERDTreeMinimalUI=1
" leave 80 chars for editing
let NERDTreeWinSize=str2nr(system('expr $COLUMNS - 81'))
let NERDTreeMapOpenRecursively="+"
let NERDTreeMapCloseChildren="-"		" easier to remember
let NERDTreeIgnore = ['\.(o|pyc)$']

" macros

" control+d - delete the current line and all remaining text of an email up to
" the line of my signature (or the rest of the file) - useful for deleting lots
" of useless quoted text
function KillToSig()
  let curline = line(".")
  if search("^-- ") > 0
    exec curline
    normal! ^d/^-- /
O
    exec curline
  else
    normal! dGo
  endif
endfunction
map  <Esc>:let curline=line(".")<CR>:exec KillToSig()<CR>:exec curline<CR>

" a quick function to toggle color column on or off
let s:cc = ""
function ToggleColorColumn()
  if &colorcolumn
    let s:cc=&colorcolumn
    set colorcolumn=0
    echo s:cc
  else
    exec "set colorcolumn=" . s:cc
  end
endfunction
command! ToggleColorColumn :call ToggleColorColumn()

" i hold shift a lot, make :W work like :w and :Q like :q
cabbr W w
cabbr Q q
cabbr E e

" w! still failed?  try w!! to write as root
cmap w!! w !doas tee >/dev/null %

" f will show the current function name
fun! ShowFuncName()
  let lnum = line(".")
  let col = col(".")
  echohl ModeMsg
  echo getline(search("^[^ \t#/]\\{2}.*[^:]\s*$", 'bW'))
  echohl None
  call search("\\%" . lnum . "l" . "\\%" . col . "c")
endfun
map f :call ShowFuncName() <CR>


" me fail english?  that's unpossible!
abbr seperate separate
abbr furnature furniture
abbr rediculous ridiculous
abbr definetly definitely
abbr shold should
abbr appologize apologize
abbr propogate propagate
abbr eachother each other
abbr occured occurred


" when starting up, restore cursor position from viminfo
au BufReadPost *
  \ if line("'\"") >= 1 && line("'\"") <= line("$") |
  \   exe "normal! g`\"" |
  \ endif

" but git re-uses the same filename all the time, so ignore viminfo
au BufNewFile,BufRead *.git/* call setpos('.', [0, 1, 1, 0])