setlocal textwidth=68
setlocal formatoptions-=o
setlocal formatoptions-=r
setlocal formatoptions-=l
setlocal formatoptions+=a
setlocal formatoptions+=w
setlocal formatoptions+=n

"setlocal spell

augroup tsperrorinsert
  au!
augroup END
match none /\s*$/
augroup listinsert
  au!
augroup END
setlocal list

" Dynamically set format options, depending on where you are in a
" mail, idea from Teemu Likonen:
" http://groups.google.com/group/vim_use/msg/f59e5c1adc6be2b3

let s:defaults = "setlocal fo=".&fo
" tw=".&tw." ts=".&ts." sts=".&sts." sw=".&sw." fo=".&fo
execute s:defaults
let b:MailAreaDetect=1

nnoremap <buffer><silent> <F9> :call <SID>MailAreaDetect_Switch(0)<CR>
inoremap <buffer><silent> <F9> <C-\><C-O>:call <SID>MailAreaDetect_Switch(1)<CR>

function! s:MailAreaDetect_Switch(vmode)
    if b:MailAreaDetect
	silent call <SID>MailAreaDetect_Off()
        let b:MailAreaDetect=0
	echo 'MailAreaDetect Off'
        if a:vmode
            sleep 1
        endif
    else
	silent call <SID>MailAreaDetect_On()
        let b:MailAreaDetect=1
	echo 'MailAreaDetect On'
        if a:vmode
            sleep 1
        endif
    endif
endfu

function! s:MailAreaDetect_On()
    silent autocmd! MailAreaDetect CursorMoved,CursorMoved
        \ <buffer> call <SID>AreaOptions()
    let b:MailAreaDetect=1
endfunction

function! s:MailAreaDetect_Off()
    silent autocmd! MailAreaDetect
    execute s:defaults
    let b:MailAreaDetect=0
endfunction

augroup MailAreaDetect
    autocmd!
    call <SID>MailAreaDetect_On()
augroup END

function! s:AreaOptions()
    execute s:defaults

    let s:synCur = synIDattr(synID(line("."),1,0),"name")
    let s:synNext = synIDattr(synID(line(".")+1,1,0),"name")

    if s:synNext =~ '^mailQuote' && s:synCur == '' && getline('.') =~ '^.'
      " elseif getline('.') =~ '^\s*[^>]' && getline(line('.')+1) =~ '\m^\s*>'
      setlocal fo-=a
      "echo 'Quotation leader (fo='.&fo.')'
    elseif s:synCur =~ '^mailQuote'
      " elseif getline('.') =~ '\m^\s*>'
      setlocal fo-=a
      "echo 'Quotation (fo='.&fo.')'
    elseif <SID>CheckArea('\m^--- .*\n^+++ ','\v(^$|\n^-- $)')
      setlocal fo-=a fo-=w fo-=t noet
      "echo 'Patch (fo='.&fo.')'
    elseif s:synCur == '' && s:synNext =~ '^mailSignature'
      " elseif getline(line('.')+1) =~ '\m^-- $'
      setlocal fo-=a fo-=w fo-=t
      "echo 'Last line before signature (fo='.&fo.')'
    elseif s:synCur =~ '^mailSignature'
      " elseif <SID>CheckArea('^-- $','^$')
      setlocal fo-=a fo-=w fo-=t
      "echo 'Signature (fo='.&fo.')'
    elseif s:synCur =~ '^mail'
      " if <SID>CheckArea('\v^From( |: ).*\n','\v^$')
      setlocal fo-=a fo-=w fo-=t
      "echo 'Header (fo='.&fo.')'
    else
      "echo 'My text (fo='.&fo.')'
    endif
endfunction

function! s:CheckArea(start, end)
    return (search(a:start,'bcnW')-line('.')) >
        \ (search(a:end,'bnW')-line('.'))
endfunction

function! FixQuotes()
  let l:i = 0
  let l:lineNxt = getline(l:i)
  let l:synNxt = synIDattr(synID(l:i,1,0),"name")
  while l:i < line('$')-1
    let l:lineCur = l:lineNxt
    let l:synCur = l:synNxt
    let l:lineNxt = getline(l:i+1)
    let l:synNxt = synIDattr(synID(l:i+1,1,0),"name")
    if l:synCur =~ '^mailQuote' && l:lineCur =~ '\w.*\S$' &&
          \ l:synNxt =~ '^mailQuote' && l:lineNxt =~ '\w'
      call setline(l:i, l:lineCur . ' ')
    endif
    let l:i += 1
  endwhile
endfunction

augroup fixquotes
  au!
  autocmd BufWinEnter $TMPDIR/mutt-* call FixQuotes()
augroup END

nmap <buffer> <C-P><F1> :w<CR>:%!mailplate --keep-unknown official<CR>
nmap <buffer> <C-P><F2> :w<CR>:%!mailplate --keep-unknown tahi<CR>
nmap <buffer> <C-P><F3> :w<CR>:%!mailplate --keep-unknown pmvm<CR>
nmap <buffer> <C-P><F4> :w<CR>:%!mailplate --keep-unknown pobox<CR>
nmap <buffer> <C-P><F5> :w<CR>:%!mailplate --keep-unknown debian<CR>
nmap <buffer> <C-P><F6> :w<CR>:%!mailplate --keep-unknown debconf<CR>
nmap <buffer> <C-P><F7> :w<CR>:%!mailplate --keep-unknown uniwh<CR>
nmap <buffer> <C-P><F8> :w<CR>:%!mailplate --keep-unknown mtfk<CR>
nmap <buffer> <C-P><F9> :w<CR>:%!mailplate --keep-unknown sudetia<CR>
nmap <buffer> <C-P><F12> :w<CR>:%!mailplate --keep-unknown private<CR>
nmap <buffer> <F1> :w<CR>:%!mailplate --auto --keep-unknown 2>/dev/null<CR>

" change subject line
" Before: Subject: old
" After : Subject: New (was: old)
" http://strcat.de/wiki/dotfiles#vim
" map ,sw 1G/^Subject: <CR>:s/Re:/was:/<CR>Wi (<C-O>$)<ESC>0Whi
map <Leader>ns 1G/^Subject: /<CR>:s,\(Subject: \)\(Re: \)*\(.*\)$,\1 (was: \3),<CR>:set nohls<CR>f li

" Delete 'was' in the Subject.
" Before: Subject: New (was: old)
" After : Subject: New
" http://strcat.de/wiki/dotfiles#vim
map <Leader>dw 1G/^Subject: /<CR>:s, *(was: .*)$<CR>:set nohls<CR>f l

" http://dollyfish.net.nz/blog/2008-04-01/mutt-and-vim-custom-autocompletion
fun! LBDBCompleteFn(findstart, base)
  let line = getline('.')
  if a:findstart
    " locate the start of the word
    let start = col('.') - 1
    while start > 0 && line[start - 1] =~ '[^:,]'
      let start -= 1
    endwhile
    while start < col('.') && line[start] =~ '[:, ]'
      let start += 1
    endwhile
    return start
  else
    let res = []
    let query = substitute(a:base, '"', '', 'g')
    let query = substitute(query, '\s*<.*>\s*', '', 'g')
    for m in LbdbQuery(query)
      call complete_add(printf('"%s" <%s>', escape(m[0], '"'), m[1]))
      if complete_check()
        break
      endif
    endfor
    return res
  endif
endfun
set completefunc=LBDBCompleteFn

" And this magic by James Vega, which ensures that we only complete with lbdb
" on the recipient lines of the mail header.
inoremap <expr> <C-n> DelegateCompletion(1)
inoremap <expr> <C-p> DelegateCompletion(0)

fun! DelegateCompletion(next)
  if getline('.') =~? '^\%(To\|B\=Cc\):'
    return "\x18\x15"
  elseif a:next
    return "\x0e"
  else
    return "\x10"
  endif
endfun

autocmd BufWritePost <buffer> exe 'write ' . fnameescape((exists('$TMPDIR') ? expand('$TMPDIR') : '/tmp') . '/mail.backup.' . strftime('%Y-%m-%d-%H%M%S'))