" Vundle
filetype off
" Set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
" Download plug-ins to the ~/.vim/plugged/ directory
call vundle#begin('~/.vim/plugged')
" Let Vundle manage Vundle; muss immer der erste Eintrag sein
Plugin 'VundleVim/Vundle.vim'
" project drawer
Plugin 'preservim/nerdtree'
" ansible integration
Plugin 'pearofducks/ansible-vim'
" omnicompletion während dem tippen
Plugin 'vim-scripts/AutoComplPop'
" languagepack
Plugin 'sheerun/vim-polyglot'
" highlight fuer movement mit tTfFwW
Plugin 'unblevable/quick-scope'
" fuzzy finder
Plugin 'ctrlpvim/ctrlp.vim'
" Shellcheck Integration
Plugin 'itspriddle/vim-shellcheck'
" git integration G:
Plugin 'tpope/vim-fugitive'
" statusline
Plugin 'itchyny/lightline.vim'
" ausrichten von text
Plugin 'junegunn/vim-easy-align'
" buffer in tabline
Plugin 'ap/vim-buftabline'
" start screen
Plugin 'mhinz/vim-startify'
" bracketed paste/ keine set-paste mehr
Plugin 'ConradIrwin/vim-bracketed-paste'
" bessere textoperatroren
Plugin 'wellle/targets.vim'
" Undotree
Plugin 'mbbill/undotree'
call vundle#end()

let mapleader = ","

" ### allgemeine Optionen
" ### Suche
" While typing a search command, show immediately where the so far typed pattern matches.
set incsearch

" When there is a previous search pattern, highlight all its matches.
set hlsearch

" Ignore case in search patterns.
set ignorecase

" Override the 'ignorecase' option if the search pattern contains upper case characters.
set smartcase

" Show line numbers.
set number

" setze cursorline
"set cursorline
"highlight CursorLine  cterm=NONE ctermbg=green ctermfg=white guibg=darkred guifg=white

" ### Kommandovervollständigung
" https://www.reddit.com/r/vim/comments/oo9gms/any_way_to_get_vim_to_not_defaulting_to_the_first/h5wygix/?context=8&depth=9
set wildmode=longest,list,full
set wildmenu
set wildignore=*.o,*~

" ### Rest
" Show (partial) command in status line.
set showcmd
set virtualedit=onemore
set encoding=UTF-8
set visualbell
set ruler
set undolevels=1000
set backspace=indent,eol,start
" ermögliche das bearbeitete buffer in der hintergrund können
set hidden
" verhindert zeilenumbrüche
set nowrap
" https://vim.fandom.com/wiki/Automatic_word_wrapping
set wrap linebreak
" Enable syntax highlighting
syntax on
" aktiviere maus nur im normalmode
set mouse=a
" https://unix.stackexchange.com/questions/12535/how-to-copy-text-from-vim-to-an-external-program
set clipboard=unnamedplus
" zeige "matching" klammer usw.
set showmatch

" ### Plugins
" ### ripgrep und ctrlp
if executable('rg')
      let g:ctrlp_user_command = 'rg %s --files --hidden --color=never --glob ""'
else
      let g:ctrlp_user_command = 'find %s -type f'
endif
" ignore files
" https://github.com/ctrlpvim/ctrlp.vim
set wildignore+=*/tmp/*,*.so,*.swp,*.zip     " MacOSX/Linux
set wildignore+=*\\tmp\\*,*.swp,*.zip,*.exe  " Windows
let g:ctrlp_custom_ignore = '\v[\/]\.(git|hg|svn)$'
let g:ctrlp_map = ''
let g:ctrlp_extensions = ['line', 'undo']

" ### shellcheck
" farbe für zeilenmarkierung im quickfix-windows
hi QuickFixLine ctermbg=black guibg=black

" ### lightline/statusline
" blende insert/visual/... in der commandline aus, steht in lightline
set noshowmode
set laststatus=2
let g:lightline = {
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'gitbranch', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'gitbranch': 'FugitiveHead'
      \ },
      \ }

" ### vim startify
" returns all modified files of the current git repo
" `2>/dev/null` makes the command fail quietly, so that when we are not
" in a git repo, the list will be empty
function! s:gitModified()
    let files = systemlist('git ls-files -m 2>/dev/null')
    return map(files, "{'line': v:val, 'path': v:val}")
endfunction

" same as above, but show untracked files, honouring .gitignore
function! s:gitUntracked()
    let files = systemlist('git ls-files -o --exclude-standard 2>/dev/null')
    return map(files, "{'line': v:val, 'path': v:val}")
endfunction

let g:startify_lists = [
        \ { 'type': 'files',     'header': ['   MRU']            },
        \ { 'type': 'dir',       'header': ['   MRU '. getcwd()] },
        \ { 'type': 'sessions',  'header': ['   Sessions']       },
        \ { 'type': 'bookmarks', 'header': ['   Bookmarks']      },
        \ { 'type': function('s:gitModified'),  'header': ['   git modified']},
        \ { 'type': function('s:gitUntracked'), 'header': ['   git untracked']},
        \ { 'type': 'commands',  'header': ['   Commands']       },
        \ ]

" ### quick-scope
" Trigger a highlight in the appropriate direction only when pressing these keys:
let g:qs_highlight_on_keys = ['f', 'F', 't', 'T']

" wrap words with ``
" https://stackoverflow.com/questions/24555192/command-for-putting-backticks-around-the-current-word
nnoremap <F8> ciw``<C-r>"``<Esc>
xnoremap <F8> c``<C-r>"``<Esc>

" ### Keybindings
" deaktiviere Ex-Mode keybinding
nnoremap Q <Nop>

" Ctrl+S zum speichern
nnoremap <C-s> :w<CR>

" Navigate tabs
nnoremap <C-j> :bnext<CR>
nnoremap <C-k> :bprev<CR>

" Saner CTRL-L
" https://github.com/mhinz/vim-galore#saner-ctrl-l
nnoremap <Leader>dh :nohlsearch<cr>:diffupdate<cr>:syntax sync fromstart<cr><c-l>

" toggle cursorline
nnoremap <Leader>h :set nocursorline!<CR>

" strg+f sucht fuzzy nach dateien
nnoremap  <C-f> :CtrlP<CR>
" strg+l sucht fuzzy in Zeilen des aktuellen Buffers
nnoremap <C-l> :CtrlPLine<CR>

" mit , + n/p wechsele den Eintrag im Quickfix-Windows vor/zurück
" mit , c Öffne ShellCheck im Quickfix Windows
nnoremap cn :cn<CR>
nnoremap cp :cp<CR>
nnoremap <Leader>sc :ShellCheck!<CR>

" format paragraphs as markdown table
nnoremap <Leader>mm Vap:EasyAlign *\|<cr><esc>
nnoremap <F7> Vap:EasyAlign *\|<cr><esc>
"
" lasse Y wie C oder D funktionieren
nmap Y y$

" https://www.reddit.com/r/vim/comments/s1he17/is_there_a_plugin_that_makes_searching_and
nnoremap <Leader>sr  :%s/<C-r><C-w>//gc<Left><Left><Left>
vnoremap <Leader>sr  y:%s/<C-R>"//gc<Left><Left><Left>

" Toggle NERDTree
nnoremap <F2> :call ToggleNERDTreeFind()<CR>

" toddle Undotree
nnoremap <F6> :UndotreeToggle<CR>
nnoremap <Leader>u :UndotreeToggle<CR>

" besseres undo
" https://www.reddit.com/r/vim/comments/13gk0nl/is_there_a_way_to_make_undo_sensible/
" create undo points when
" typing these keys
" inoremap , ,<c-g>u
" inoremap . .<c-g>u
" inoremap ( (<c-g>u
" inoremap [ [<c-g>u
" inoremap = =<c-g>u
" inoremap \" \"<c-g>u
" inoremap <space> <space><c-g>u
" inoremap <CR> <CR><c-g>u

" ### Abbreviations
iabbrev ncicht nicht
iabbrev nciht nicht

" linenumbers
nnoremap <Leader>z :set nonumber! norelativenumber!<CR>

" https://jeffkreeftmeijer.com/vim-number/
:augroup numbertoggle
:  autocmd!
:  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu && mode() != "i" | set rnu   | endif
:  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
:augroup END

" entferne trailing whitespaces beim speichern
autocmd BufWritePre * :%s/\s\+$//e
" entferne multiple consecutive empty lines
if executable('cat')
  autocmd BufWritePre *.md  %!cat -s
endif
" remove multiple whitespaces between words
" https://stackoverflow.com/questions/5150870/efficient-way-to-remove-multiple-spaces-between-two-words-in-Vim
autocmd BufWritePre *.md :%s/\(\w\)\s\+\(\w\)/\1 \2/g


" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
" NERDTree - show hidden files
let NERDTreeShowHidden=1

" NERDTREE - Find file or close
" https://stackoverflow.com/questions/14964020/is-it-possible-to-configure-behaviour-of-nerdtreetoggle-to-use-nerdtreefind-When
function! ToggleNERDTreeFind()
    if g:NERDTree.IsOpen()
        execute ':NERDTreeClose'
    else
        execute ':NERDTreeFind'
    endif
endfunction