" From:
"       Amir Salihefendic
"       http://amix.dk - amix@amix.dk
"
" Version:
"       5.0 - 29/05/12 15:43:36
"
" Sections:
"    -> General
"    -> VIM user interface
"    -> Colors and Fonts
"    -> Files and backups
"    -> Text, tab and indent related
"    -> Visual mode related
"    -> Moving around, tabs and buffers
"    -> Status line
"    -> Editing mappings
"    -> vimgrep searching and cope displaying
"    -> Spell checking
"    -> Misc
"    -> Helper functions
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

"Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
"Plug 'w0rp/ale'
"

let $MYVIMRC = split($VIM, "\\")[0] . "\\config\\nvim\\init.vim"

" Windows setup
let $HOMEDRIVE = split($VIM, "\\")[0]
let $HOMEPATH = "\\"
let $HOME = $HOMEDRIVE . $HOMEPATH
let $USERPROFILE = $HOME
let $LOCALAPPDATA = $HOME . "config"
let $PATH = $HOMEDRIVE . "\\emacs\\mingw64\\bin" . ";" . $HOMEDRIVE . "\\emacs\\bin" . ";" . $HOMEDRIVE . "\\cmder" . ";" . $HOMEDRIVE . "\\emacs\\Git\\bin" . ";" . "C:\\Windows\\System32" . ";" . "C:\\Windows"


set nocompatible               " be improved, required
filetype off                   " required
" set the runtime path to include Vundle and initialize
"if has('nvim')
"    let s:editor_root=expand("~\AppData\Local\nvim")
"else
"    let s:editor_root=expand("~\.vim")
"endif

set rtp+=~\config\nvim\bundle\Vundle.vim
"let &rtp = &rtp . ',' . s:editor_root . '/bundle/vundle/'
call vundle#begin()            " required
Plugin 'VundleVim/Vundle.vim'  " required

" ===================
" my plugins here
" ===================
Plugin 'tpope/vim-fugitive'
Plugin 'scrooloose/nerdtree'

" Plugin 'dracula/vim'


" ===================
" end of plugins
" ===================
call vundle#end()               " required
filetype plugin indent on       " required

set mat=1
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Turn persistent undo on
"    means that you can undo even when you close a buffer/VIM
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
try
    set undodir=~/.vim-undo
    set undofile
catch
endtry

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Command mode related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Smart mappings on the command line
cno $h e ~/
cno $d e ~/Desktop/
cno $j e ./
cno $c e <C-\>eCurrentFileDir("e")<cr>

" $q is super useful when browsing on the command line
" it deletes everything until the last slash
cno $q <C-\>eDeleteTillSlash()<cr>

" Bash like keys for the command line
cnoremap <C-A>          <Home>
cnoremap <C-E>          <End>
cnoremap <C-K>          <C-U>

cnoremap <C-P> <Up>
cnoremap <C-N> <Down>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Parenthesis/bracket
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
vnoremap $1 <esc>`>a)<esc>`<i(<esc>
vnoremap $2 <esc>`>a]<esc>`<i[<esc>
vnoremap $3 <esc>`>a}<esc>`<i{<esc>
vnoremap $$ <esc>`>a"<esc>`<i"<esc>
vnoremap $q <esc>`>a'<esc>`<i'<esc>
vnoremap $e <esc>`>a"<esc>`<i"<esc>

" Map auto complete of (, ", ', [
inoremap $1 ()<esc>i
inoremap $2 []<esc>i
inoremap $3 {}<esc>i
inoremap $4 {<esc>o}<esc>O
inoremap $q ''<esc>i
inoremap $e ""<esc>i


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Don't emulate vi
set nocompatible

" Provides tab-completion for all file-related tasks
set path+=**

" Display all matching files for tab completion
set wildmenu

" TODO Create tags file
" command! MakeTags !ctags -R . --pwd needs to be checked first

" File browsing
" let g:netrw_banner=0        " disable annoying 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     " tree view
" let g:netrw_list_hide=netrw_gitignore#Hide()
" let g:netrw_list_hide.=',\(^\|\s\s\)\zs\.\S\+'

" Sets how many lines of history VIM has to remember
set history=500

" Enable clipboard
" set clipboard=unnamedplus

" Enable filetype plugins
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","
let g:mapleader = ","

" ..............................................................
nnoremap ; :
vnoremap ; :

" Fast saving
nmap <leader>w :w!<cr>

" :W sudo saves the file
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null

" Key code delay
if !has('nvim') && &ttimeoutlen == -1
  set ttimeout
  set ttimeoutlen=100
endif

" Delete comment character when joining commented lines
set formatoptions+=j

if has('path_extra')
  setglobal tags-=./tags tags-=./tags; tags^=./tags;
endif


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => VIM user interface
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Set 7 lines to the cursor - when moving vertically using j/k
set so=2

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en
"source $VIMRUNTIME/delmenu.vim
"source $VIMRUNTIME/menu.vim

" Turn on the WiLd menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

"Always show current position
set ruler

" Enable numbers
set relativenumber
" Height of the command bar
set cmdheight=2

" A buffer becomes hidden when it is abandoned
set hid

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" Show matching brackets when text indicator is over them
set showmatch

" How many tenths of a second to blink when matching brackets
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Properly disable sound on errors on MacVim
if has("gui_macvim")
    autocmd GUIEnter * set vb t_vb=
endif

" Add a bit extra margin to the left
set foldcolumn=1


" Show extra space characters
" set list listchars=tab:»·,trail:·
if &listchars ==# 'eol:$'
  set listchars=tab:>\ ,trail:-,extends:>,precedes:<,nbsp:+
endif

" Highlight current line
set cursorline

" @@@
set display+=lastline

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Colors and Fonts
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Enable syntax highlighting
syntax enable

set t_Co=256

source $VIM\theme.vim

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set guitablabel=%M\ %t
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Files, backups and undo
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set wb
set noswapfile


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Text, tab and indent related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4

" Linebreak on 500 characters
set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines


""""""""""""""""""""""""""""""
" => Visual mode related
""""""""""""""""""""""""""""""
" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Moving around, tabs, windows and buffers
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Map <Space> to / (search) and Ctrl-<Space> to ? (backwards search)
map <space> <Nop>
map <c-space> <Nop>

" Disable highlight when <leader><cr> is pressed
" map <silent> <leader><cr> :noh<cr>
if maparg('<leader><cr>', 'n') ==# ''
  nnoremap <silent> <leader><cr> :nohlsearch<C-R>=has('diff')?'<Bar>diffupdate':''<CR><CR><C-L>
endif

" Smart way to move between windows
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

" Close the current buffer
map <leader>bd :Bclose<cr>:tabclose<cr>gT

" Close all the buffers
map <leader>ba :bufdo bd<cr>

" Close all the buffers
map <leader>bb :ls<cr>

" Navigate through buffers
map <leader>, :bnext<cr>
map <leader>. :bprevious<cr>
map <leader>1 :b1<cr>
map <leader>2 :b2<cr>
map <leader>3 :b3<cr>
map <leader>4 :b4<cr>
map <leader>5 :b5<cr>
map <leader>6 :b6<cr>
map <leader>7 :b7<cr>
map <leader>8 :b8<cr>
map <leader>9 :b9<cr>
map <leader>0 :b0<cr>

" Useful mappings for managing tabs
map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove<cr>
map <leader>t<leader> :tabnext<cr>

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap <Leader>tl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()


" Opens a new tab with the current buffer's path
" Super useful when editing files in the same directory
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/

" Switch CWD to the directory of the open buffer
map <leader>cd :cd %:p:h<cr>:pwd<cr>

" Specify the behavior when switching between buffers
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

" Return to last edit position when opening files
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif


""""""""""""""""""""""""""""""
" => Status line
""""""""""""""""""""""""""""""
" Always show the status line
set laststatus=2

" Format the status line
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ f:%{&ff}\ \ i:\%03.3b,0x:\%02.2B\ \ (%03l,%03v)[%p%%]


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Editing mappings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Remap VIM 0 to first non-blank character
map 0 ^

" Move a line of text using ALT+[jk] or Command+[jk] on mac
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z
" TODO  fix keybindings

" Delete trailing white space on save, useful for Python and CoffeeScript ;)
func! DeleteTrailingWS()
  exe "normal mz"
  %s/\s\+$//ge
  exe "normal `z"
endfunc
autocmd BufWrite *.py :call DeleteTrailingWS()
autocmd BufWrite *.coffee :call DeleteTrailingWS()

inoremap <C-U> <C-G>u<C-U>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Ag searching and cope displaying
"    requires ag.vim - it's much better than vimgrep/grep
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" When you press gv you Ag after the selected text
vnoremap <silent> gv :call VisualSelection('gv', '')<CR>

" Open Ag and put the cursor in the right position
map <leader>g :Ag

" When you press <leader>r you can search and replace the selected text
vnoremap <silent> <leader>r :call VisualSelection('replace', '')<CR>

" Do :help cope if you are unsure what cope is. It's super useful!
"
" When you search with Ag, display your results in cope by doing:
"   <leader>cc
"
" To go to the next search result do:
"   <leader>n
"
" To go to the previous search results do:
"   <leader>p
"
map <leader>cc :botright cope<cr>
map <leader>co ggVGy:tabnew<cr>:set syntax=qf<cr>pgg
map <leader>n :cn<cr>
map <leader>p :cp<cr>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Spell checking
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Shortcuts using <leader>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg
map <leader>s? z=


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Misc
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Remove the Windows ^M - when the encodings gets messed up
noremap <Leader>m mmHmt:%s/<C-V><cr>//ge<cr>'tzt'm

" Quickly open a buffer for scribble
map <leader>q :e ~/buffer<cr>

" Quickly open a markdown buffer for scribble
map <leader>x :e ~/buffer.md<cr>

" Toggle paste mode on and off
map <leader>pp :setlocal paste!<cr>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Plug-ins related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"
" Plug-ins setup
"
" NERDTree
autocmd BufEnter * lcd %:p:h
" ale
" let g:ale_echo_msg_error_str = 'E'
" let g:ale_echo_msg_warning_str = 'W'
" let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'

" let g:ale_fixers = {
            \ 'c': ['clang-format']}
" TODO Figure out how to pass args to clang-format
" let g:ale_c_clangformat_executable='-style=Mozilla'

"
" Plug-ins keybindings
"
nnoremap - :NERDTreeToggle<cr>
" nmap <silent> ]a <Plug>(ale_next_wrap)
" nmap <silent> [a <Plug>(ale_previous_wrap)
" nmap <leader>T :ALEToggle<cr>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! CmdLine(str)
    exe "menu Foo.Bar :" . a:str
    emenu Foo.Bar
    unmenu Foo
endfunction

function! VisualSelection(direction, extra_filter) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", '\\/.*$^~[]')
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'gv'
        call CmdLine("Ag \"" . l:pattern . "\" " )
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction


" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    endif
    return ''
endfunction

" Don't close window, when deleting a buffer
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #
   else
     bnext
   endif

   if bufnr("%") == l:currentBufNum
     new
   endif

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)
   endif
endfunction



func! DeleteTillSlash()
    let g:cmd = getcmdline()

    if has("win16") || has("win32")
        let g:cmd_edited = substitute(g:cmd, "\\(.*\[\\\\]\\).*", "\\1", "")
    else
        let g:cmd_edited = substitute(g:cmd, "\\(.*\[/\]\\).*", "\\1", "")
    endif

    if g:cmd == g:cmd_edited
        if has("win16") || has("win32")
            let g:cmd_edited = substitute(g:cmd, "\\(.*\[\\\\\]\\).*\[\\\\\]", "\\1", "")
        else
            let g:cmd_edited = substitute(g:cmd, "\\(.*\[/\]\\).*/", "\\1", "")
        endif
    endif

    return g:cmd_edited
endfunc

func! CurrentFileDir(cmd)
    return a:cmd . " " . expand("%:p:h") . "/"
endfunc

" function! LinterStatus() abort
    " let l:counts = ale#statusline#Count(bufnr(''))
"
    " let l:all_errors = l:counts.error + l:counts.style_error
    " let l:all_non_errors = l:counts.total - l:all_errors
"
    " return l:counts.total == 0 ? 'OK' : printf(
    " \   '%dW %dE',
    " \   all_non_errors,
    " \   all_errors
    " \)
" endfunction