" vundle
" set vIM mode
set nocompatible
filetype off
set rtp+=~/.vim/bundle/Vundle.vim

source ~/.vim/plugins.vim

filetype plugin indent on

" Get the defaults that most users want.
source $VIMRUNTIME/defaults.vim

if has("vms")
  set nobackup
else
  " set backup
  if has('persistent_undo')
    set undofile
  endif
endif

" encrypt files using blowfish
set cryptmethod=blowfish2

syntax on
colorscheme onedark

" files and backups
" set backupdir=~/.vim-tmp,~/.tmp,~/tmp,/var/tmp,/tmp
" set directory=~/.vim-tmp,~/.tmp,~/tmp,/var/tmp,/tmp
set directory=$HOME/.vim/swapfiles//
" set backupdir=$HOME/.vim/backupdir//
set undodir=$HOME/.vim/undofiles//
" search tags file downwards from the direcotry of the edited file
set tags=./tags;

set clipboard=unnamedplus				" yank into system clipboard
" Only do this part when compiled with support for autocommands.
if has("autocmd")

  " Put these in an autocmd group, so that we can delete them easily.
  augroup vimrcEx
  au!

  " For all text files set 'textwidth' to 78 characters.
  autocmd FileType text setlocal textwidth=78

  augroup END

  " remember curser position
  autocmd BufReadPost *
	\ if line("'\"") > 1 && line("'\"") <= line("$") |
  	\	exe "normal! g`\"" |
  	\ endif

endif " has("autocmd")

" Add optional packages.
"
" The matchit plugin makes the % command work better, but it is not backwards
" compatible.
if has('syntax') && has('eval')
  packadd matchit
endif

set autoindent				" always set autoindenting on
set smartindent				" smart indent; stop indent when closing brackets etc

" searching
set hlsearch				" highlight search result
set ignorecase				" ignore case
set smartcase				" case-sensitive if expression contains capital letters
set incsearch				" incremental search
set nolazyredraw

" delete whitespace, line break and char using <BS>
set backspace=indent,eol,start
set ruler					" always show curser position
set history=1000			" keep 1000 lines of history
" set textwidth=120
set number					" display absolute number of current line
set relativenumber			" display relative line numbers
set cursorline				" highlight current line
" encoding
set fileencoding=utf-8
" break at last word instead of last char
set linebreak

" tab control
set noexpandtab				"  insert tabs
set smarttab
set tabstop=4
set softtabstop=4
set shiftwidth=4
set shiftround
set completeopt+=longest

" invisible characters
set list
set listchars=tab:→\ ,eol:¬,trail:⋅,extends:❯,precedes:❮
set showbreak=↪

" code folding settings
set foldmethod=syntax		" fold based on indent
set foldnestmax=10			" deepest fold is 10 levels
set nofoldenable			" don't fold by default
set foldlevel=1

set ttyfast					" faster redrawing
set diffopt+=vertical
set laststatus=2			" show the status line all the time
set so=7					" set 7 lines to the cursors - when moving vertical
set wildmenu				" enhanced command line completion
" Search down into subfolders
" Provides tab-completion for all file-related tasks
set path+=**
set hidden					" current buffer can be put into background
set showcmd					" show incomplete commands
set noshowmode				" don't show which mode disabled for PowerLine
set wildmode=list:longest	" complete files like a shell
set scrolloff=3				" lines of text around cursor
set shell=$SHELL
set cmdheight=1				" command bar height
set title					" set terminal title

set magic					" set magic on, for regex

set showmatch				" show matching braces
set mat=2					" how many tenths of a second to blink
set complete +=kspell		" autocomplete from the dictionary when spellchecking is enabled
set spelllang=de,en				" set spell langs

" user commands

" create tags file
" ^]	jump to tag under cursor
" g^]	for ambiguous tags
" ^t	jump back in the tag stack
command! MakeTags !ctags -R .

" error bells
set noerrorbells
set visualbell
set t_vb=
set tm=500

" turn on manpages (:Man)
runtime ftplugin/man.vim

" make comments and HTML attributes italic
highlight Comment cterm=italic
highlight htmlArg cterm=italic

" set a map leader for more key combos
let mapleader = ','

" clear highlighted search
" nnoremap <space> :set hlsearch! hlsearch?<cr>
noremap <space> :nohlsearch<cr>

" enable . command in visual mode
vnoremap . :normal .<cr>

map <silent> <C-h> :call functions#WinMove('h')<cr>
map <silent> <C-j> :call functions#WinMove('j')<cr>
map <silent> <C-k> :call functions#WinMove('k')<cr>
map <silent> <C-l> :call functions#WinMove('l')<cr>

" count wraped lines as one line when doing relative jumps
noremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')
noremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')

" scroll the viewport faster
nnoremap <C-e> 3<C-e>
nnoremap <C-y> 3<C-y>

" moving up and down work as you would expect
nnoremap <silent> j gj
nnoremap <silent> k gk
nnoremap <silent> ^ g^
nnoremap <silent> $ g$

" cool resizing
nnoremap <Left> :vertical resize +2<CR>
nnoremap <Right> :vertical resize -2<CR>
nnoremap <Up> :resize -2<CR>
nnoremap <Down> :resize +2<CR><Paste>

" search for word under the cursor
nnoremap <leader>/ "fyiw :/<c-r>f<cr>

" helpers for dealing with other people's code
nmap \t :set ts=4 sts=4 sw=4 noet<cr>
nmap \s :set ts=4 sts=4 sw=4 et<cr>

" highlight conflicts
match ErrorMsg '^\(<\|=\|>\)\{7\}\([^=].\+\)\?$'

" make the highlighting of tabs and other non-text less annoying
highlight SpecialKey ctermbg=none ctermfg=8
highlight NonText ctermbg=none ctermfg=8

" Section AutoGroups {{{
" file type specific settings
augroup configgroup
    autocmd!

    " automatically resize panes on resize
    autocmd VimResized * exe 'normal! \<c-w>='
    autocmd BufWritePost .vimrc,.vimrc.local,init.vim source %
    autocmd BufWritePost .vimrc.local source %
    " save all files on focus lost, ignoring warnings about untitled buffers
    autocmd FocusLost * silent! wa

    " make quickfix windows take all the lower section of the screen
    " when there are multiple windows open
    autocmd FileType qf wincmd J

    autocmd BufNewFile,BufReadPost *.md set filetype=markdown
    let g:markdown_fenced_languages = ['css', 'javascript', 'js=javascript', 'json=javascript', 'stylus', 'html']

    " autocmd! BufEnter * call functions#ApplyLocalSettings(expand('<afile>:p:h'))

    autocmd BufNewFile,BufRead,BufWrite *.md syntax match Comment /\%^---\_.\{-}---$/

    autocmd! BufWritePost * Neomake
augroup END

" }}}

" detect filetypes, use filetype plugins and autoindent
filetype plugin indent on


" paste without indention
function! WrapForTmux(s)
  if !exists('$TMUX')
    return a:s
  endif

  let tmux_start = "\<Esc>Ptmux;"
  let tmux_end = "\<Esc>\\"

  return tmux_start . substitute(a:s, "\<Esc>", "\<Esc>\<Esc>", 'g') . tmux_end
endfunction

let &t_SI .= WrapForTmux("\<Esc>[?2004h")
let &t_EI .= WrapForTmux("\<Esc>[?2004l")

function! XTermPasteBegin()
  set pastetoggle=<Esc>[201~
  set paste
  return ""
endfunction

inoremap <special> <expr> <Esc>[200~ XTermPasteBegin()

" ctrlp
set runtimepath^=~/.vim/bundle/ctrlp.vim

" make true colors in tmux work
" set t_8f=[38;2;%lu;%lu;%lum
" set t_8b=[48;2;%lu;%lu;%lum
" true color
set termguicolors
let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"

highlight Normal ctermbg=NONE guibg=NONE
highlight NonText ctermbg=NONE guibg=NONE

" airline options
if !exists('g:airline_symbols')
    let g:airline_symbols = {}
endif
let g:airline_powerline_fonts=1
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_theme='onedark'
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = ''
let g:airline#extensions#tabline#enabled = 1 " enable airline tabline
let g:airline#extensions#tabline#tab_min_count = 2 " only show tabline if tabs are being used (more than 1 tab open)
let g:airline#extensions#tabline#show_buffers = 0 " do not show open buffers in tabline
let g:airline#extensions#tabline#show_splits = 0

" Toggle NERDTree
nmap <silent> <leader>k :NERDTreeToggle<cr>
" expand to the path of the file in the current buffer
nmap <silent> <leader>y :NERDTreeFind<cr>
" autocmd BufWinEnter * NERDTreeMirror

let NERDTreeShowHidden=1
let NERDTreeDirArrowExpandable = '▷'
let NERDTreeDirArrowCollapsible = '▼'

" Append modeline after last line in buffer.
" Use substitute() instead of printf() to handle '%%s' modeline in LaTeX
" files.
function! AppendModeline()
  let l:modeline = printf(" vim: set filetype=%s ts=%d sw=%d tw=%d %set :",
        \ &filetype, &tabstop, &shiftwidth, &textwidth, &expandtab ? '' : 'no')
  let l:modeline = substitute(&commentstring, "%s", l:modeline, "")
  call append(line("$"), l:modeline)
endfunction
nnoremap <silent> <Leader>ml :call AppendModeline()<CR>

" delimate config
let delimitMate_expand_cr = 1

" set textwidth for mails
" au BufRead /tmp/mutt-* set tw=72
autocmd FileType mail setlocal textwidth=72

" netrw settings
" (vim builtin filebrowser which ist also just a plugin bundled with vim)
let g:netrw_banner	= 0	" disable banner
let g:netrw_browse_split= 4	" open in prior window
let g:netrw_altv	= 1	" open splits to the right
let g:netrw_liststyle	= 3	" treeview
let g:netrw_list_hide	= netrw_gitignore#Hide()
let g:netrw_list_hide	.= ',\(^\|\s\s\)\zs\.\S\+'

" racer config (rust autocomplete)
let g:racer_cmd = "/home/me/.cargo/bin/racer"
let g:racer_experimental_completer = 1
au FileType rust nmap gd <Plug>(rust-def)
au FileType rust nmap gs <Plug>(rust-def-split)
au FileType rust nmap gx <Plug>(rust-def-vertical)
au FileType rust nmap <leader>gd <Plug>(rust-doc)

" close Goyo *and* vim with :q
function! s:goyo_enter()
  let b:quitting = 0
  let b:quitting_bang = 0
  autocmd QuitPre <buffer> let b:quitting = 1
  cabbrev <buffer> q! let b:quitting_bang = 1 <bar> q!
endfunction

function! s:goyo_leave()
  " Quit Vim if this is the only remaining buffer
  if b:quitting && len(filter(range(1, bufnr('$')), 'buflisted(v:val)')) == 1
    if b:quitting_bang
      qa!
    else
      qa
    endif
  endif
endfunction

autocmd! User GoyoEnter call <SID>goyo_enter()
autocmd! User GoyoLeave call <SID>goyo_leave()

" vimux mappings
" Prompt for a command
map <Leader>vp :VimuxPromptCommand<CR>
" Prompt for a make command
map <Leader>vm :VimuxPromptCommand("make ")<CR>
" Inspect runner pane
map <Leader>vi :VimuxInspectRunner<CR>
" Close runner
map <Leader>vq :VimuxCloseRunner<CR>
" Rerun last command
map <Leader>vl :VimuxRunLastCommand<CR>
" Stop running command
map <Leader>vs :VimuxInterruptRunner<CR>

" vim: set filetype=vim ts=8 sw=2 tw=120 noet :