" {{{
" Maintainer: Johannes Steudle
" .vimrc
"     for Unix and macOS: ~/.vimrc
" }}}

" Use Vim defaults (much better!)
set nocompatible

syntax on

" Shell {{{
if $SHELL =~ 'bin/fish'
    set shell=/bin/sh
endif
" }}}

set hidden           " Allow switching edited buffers without saving
set title            " Show filename

" Layout {{{
set cmdheight=2        " Make command line two lines high
set laststatus=2       " Always show status line, even for one window
set termencoding=utf-8
set encoding=utf-8     " Use UTF-8 as the default buffer encoding
" }}}

" Indentation {{{
set autoindent       " copy indent from current line
set smartindent      " Set indention
set shiftround       " shift to nearest indent
" }}}

" Behavior {{{
set autoread         " read open files again when changed outside Vim
set ttyfast          " Improves redrawing on newer computers
set switchbuf=useopen           " reveal already opened files from the
                                " quickfix window instead of opening new
                                " buffers
set nostartofline    " Keep cursor in current column when using page commands
set autochdir " automatically set current directory to directory of last opened file
set visualbell       " Set visual bell instead of acustic
set mouse=a          " enable the use of the mouse
set number relativenumber " hybrid relative numbers
set matchtime=4      " Jump to matching bracket for n/10 seconds
set nospell
set nojoinspaces     " Insert only one space when joining lines
set magic            " Use magic escaping
set completeopt=menu,menuone,longest,preview " Insert mode completion options
set backspace=indent,eol,start
" }}}

" Show some invisible characters {{{
set listchars=tab:▸\ ,trail:·,extends:#,nbsp:·
set nolist
" }}}

" Tab settings {{{
set tabstop=4        " Tab size
set shiftwidth=4     " Shift width
set softtabstop=4
set expandtab        " Tabs to spaces
set smarttab
" }}}

" Handle long lines {{{
set wrap
set textwidth=79
set formatoptions=qrn1
set colorcolumn=85
set linebreak
set display+=lastline
" }}}

" Search {{{ See http://stevelosh.com/blog/2010/09/coming-home-to-vim/
set hlsearch             " Highlight search
set incsearch            " incremental searching
set ignorecase smartcase " Case-insensitive searching
set showmatch            " When a bracket is inserted, briefly jump to a matching one
nnoremap <tab> %
vnoremap <tab> %
" }}}

" Wildmenu {{{
set wildmenu                   " Use menu to show command-line completion (in 'full' case)
set wildmode=list:longest,full " set command-line completion mode:
" - on first <Tab>, when more than one match, list all matches and complete the longest common string
" - on second <Tab>, complete the next full match and show menu

" Ignore these filenames during enhanced command line completion.
set wildignore+=*/.idea/*,*/.project/*    " ignore IDE project files
set wildignore+=*/.git/*,*/.hg/*,*/.svn/* " ignore version control files
set wildignore+=*.aux,*.out,*.toc " LaTeX intermediate files
set wildignore+=*.jpg,*.bmp,*.gif " binary images
set wildignore+=*.luac            " Lua byte code
set wildignore+=*.o,*.obj,*.exe,*.dll,*.manifest,*.so,*.zip  " compiled object files
set wildignore+=*.pyc             " Python byte code
set wildignore+=*.spl             " compiled spelling word lists
set wildignore+=*.sw?             " Vim swap files
set wildignore+=.DS_Store         " Mac files
set wildignore+=*/tmp/*           " MacOSX/Linux
set wildignore+=*\\tmp\\*         " Windows
" }}}

" Python {{{
let g:python_host_prog  = '/usr/local/bin/python'
let g:python3_host_prog = '/usr/local/bin/python3'

" Temporary workaround for python 3.7: https://github.com/vim/vim/issues/3117#issuecomment-402622616
if has('python3')
  silent! python3 1
endif
" }}}

" PlugIn-Configuration {{{
call plug#begin('$HOME/.vim/plugged')

" Motion
Plug 'chaoren/vim-wordmotion'

" Plugins for handling various formats
Plug 'plasticboy/vim-markdown', { 'for': 'markdown' }
Plug 'itspriddle/vim-marked', { 'for': 'markdown' }

" git plugins
Plug 'tpope/vim-fugitive'
Plug 'airblade/vim-gitgutter'

" syntax checker for vim
Plug 'w0rp/ale'

" syntax plugins
Plug 'keith/swift.vim'
Plug 'b4winckler/vim-objc'
Plug 'darfink/vim-plist'
Plug 'aliva/vim-fish'
Plug 'mileszs/ack.vim'
Plug 'vim-python/python-syntax'
Plug 'aklt/plantuml-syntax'
Plug 'vim-scripts/Rainbow-Parenthsis-Bundle'
Plug 'vim-scripts/confluencewiki.vim'

" Add global syntax formatting config capability
Plug 'editorconfig/editorconfig-vim'

" Auto formatting various files
Plug 'sbdchd/neoformat'

" Add Theme
Plug 'altercation/vim-colors-solarized'
Plug 'ryanoasis/vim-devicons'
Plug 'sonph/onehalf', { 'rtp': 'vim/' }
Plug 'ErichDonGubler/vim-sublime-monokai'

" Buffer manager
Plug 'jeetsukumaran/vim-buffergator'
Plug 'vim-scripts/YankRing.vim'

" Nice status bar
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" Completion plugins
Plug 'Rip-Rip/clang_complete'
Plug 'ervandew/supertab'
Plug 'prabirshrestha/asyncomplete.vim'
Plug 'prabirshrestha/asyncomplete-buffer.vim'
Plug 'Raimondi/delimitMate'
Plug 'Valloric/YouCompleteMe'

" Region expanding
Plug 'terryma/vim-expand-region'
Plug 'terryma/vim-multiple-cursors'
Plug 'tpope/vim-surround'

" Use the fancy silver searcher
Plug 'rking/ag.vim'

" Nice filetree
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'Xuyuanp/nerdtree-git-plugin', { 'on': 'NERDTreeToggle' }

" Little file manager
Plug 'ctrlpvim/ctrlp.vim'
Plug 'tpope/vim-eunuch'


" Own plugins
Plug 'tweetjay/tweetjay-theme'
Plug 'tweetjay/vim-backstate'

" Fancy starting screen
Plug 'mhinz/vim-startify'

call plug#end()
" }}}

" Colorscheme {{{
if has('gui_running')
    set background=dark
    colorscheme onehalfdark
elseif &t_Co < 256
    colorscheme default
    set nocursorline " looks bad in this mode
else
    set background=dark
    let g:solarized_termcolors=256 " instead of 16 color with mapping in terminal
    colorscheme solarized
    " customized colors
    highlight SignColumn ctermbg=234
    highlight StatusLine cterm=bold ctermfg=245 ctermbg=235
    highlight StatusLineNC cterm=bold ctermfg=245 ctermbg=235
    highlight SpellBad cterm=underline
endif

" highlight current line, but only in active window
augroup CursorLineOnlyInActiveWindow
    autocmd!
    autocmd VimEnter,WinEnter,BufWinEnter * setlocal cursorline
    autocmd WinLeave * setlocal nocursorline
augroup END
" }}}

" Configure CTRL-P {{{
let g:ctrlp_custom_ignore = {
            \ 'dir':  '\v[\/]\.(git|hg|svn)$',
            \ 'file': '\v\.(exe|so|dll)$',
            \ 'link': 'some_bad_symbolic_links',
            \ }
" }}}

" Configure Syntastic {{{
if has('syntastic')
    set statusline+=%#warningmsg#
    set statusline+=%{SyntasticStatuslineFlag()}
    set statusline+=%*

    let g:syntastic_always_populate_loc_list = 1
    let g:syntastic_auto_loc_list = 1
    let g:syntastic_check_on_open = 1
    let g:syntastic_check_on_wq = 0

    let g:syntastic_swift_swiftlint_use_defaults = 1
    let g:syntastic_swift_checkers = ['swiftpm', 'swiftlint']
endif
" }}}

" StatusLine {{{ configure airline status bar
let g:airline#extensions#tabline#enabled = 1
let g:airline_powerline_fonts = 1
let g:airline_theme='onehalfdark'
" let g:airline_solarized_bg='dark'
" }}}

" Configure markdown {{{
" let g:vim_markdown_folding_level = 6
let g:vim_markdown_folding_disabled = 1
let g:vim_markdown_new_list_item_indent = 2

let g:markdown_fenced_languages = [
    \ 'bash=sh',
    \ 'c',
    \ 'javascript',
    \ 'json',
    \ 'python',
    \ 'ruby',
    \ 'yaml',
    \ 'swift',
    \ 'objc'
\]
" }}}

" SuperTab {{{ option for context aware completion
let g:SuperTabDefaultCompletionType = "context"
" }}}

" Clang autocomplete {{{
" Disable auto popup, use <Tab> to autocomplete
let g:clang_complete_auto = 0
" Show clang errors in the quickfix window
let g:clang_complete_copen = 1
au CursorMovedI,InsertLeave * if pumvisible() == 0|silent! pclose|endif
" }}}

" Key mappings {{{
let mapleader = "\<Space>" " Change <Leader>
" let maplocalleader = "," " Change <LocalLeader>

" Disable arrow keys
nnoremap <up> <nop>
nnoremap <down> <nop>
nnoremap <left> <nop>
nnoremap <right> <nop>
inoremap <up> <nop>
inoremap <down> <nop>
inoremap <left> <nop>
inoremap <right> <nop>
nnoremap j gj
nnoremap k gk

" Better window navigation
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-h> <C-w>h
nnoremap <C-l> <C-w>l

inoremap <F1> <ESC>
nnoremap <F1> <ESC>
vnoremap <F1> <ESC>

" Use jj to escape
inoremap jj <ESC>

nnoremap <Leader>o :CtrlP<CR>

" Copy & paste to system clipboard with <Space>p and <Space>y
vmap <Leader>y "+y
" vmap <Leader>d "+d
nmap <Leader>p "+p
nmap <Leader>P "+P
vmap <Leader>p "+p
vmap <Leader>P "+P

" Enter visual line mode with <Space><Space>:
nmap <Leader><Leader> V

" Hit v to select one character
" Hit v again to expand selection to word
" Hit v again to expand to paragraph
vmap v <Plug>(expand_region_expand)
vmap <C-v> <Plug>(expand_region_shrink)

" Automatically jump to end of text you pasted
vnoremap <silent> y y`]
vnoremap <silent> p p`]
nnoremap <silent> p p`]

" Remove all highlightings
nnoremap <silent><ESC><ESC> :nohl<CR>

" quickly insert newline in normalmode without leaving
nnoremap <silent><A-o> o<Esc>k
nnoremap <silent><A-S-o> O<Esc>j

" map ,f to display all lines with keyword under cursor and ask which one to jump to
nnoremap <leader>f [I:let nr = input("Which one: ")<Bar>exe "normal " . nr ."[\t"<CR>

map <F3> :NERDTreeToggle<CR>
" }}}

" Special filetypes and encoding {{{
if has('autocmd')
    "autocmd BufEnter * cd %:p:h
    filetype plugin indent on
endif
" }}}

" Encoding {{{
" Always check for UTF-8 when trying to determine encodings
if &fileencodings !~? "utf-8"
    set fileencodings+=utf-8
endif
" Make sure we have a sane fallback for encoding detection
set fileencodings+=default
" }}}

" Load local vim config {{{
let $LOCALFILE=expand("~/.vimrc_local")
if filereadable($LOCALFILE)
    source $LOCALFILE
endif
" }}}