" -----------------------------------------------------------------------------
"     - Prepare locations for main vim files -
" -----------------------------------------------------------------------------
if has('win32') || has ('win64')
  let $VIMHOME = $HOME."/vimfiles"
else
  let $VIMHOME = $HOME."/.vim"
  let $NVIMHOME = $HOME."/.local/share/nvim"
endif
let $VIMPLUGINS = expand($VIMHOME."/plugins.vim")
let $LOCAL_VIMRC = $HOME."/.vimrc.local"

" -----------------------------------------------------------------------------
"     - Load up plugins -
" -----------------------------------------------------------------------------
" Use local vimrc for overrides if available and desired
if filereadable($LOCAL_VIMRC)
  source $LOCAL_VIMRC
endif
source $VIMPLUGINS

" -----------------------------------------------------------------------------
"     - Indentation -
" -----------------------------------------------------------------------------
" show existing tab with 2 spaces width
set tabstop=2
" when indenting with '>', use 2 spaces width
set shiftwidth=2
" always set autoindenting on
set autoindent

" -----------------------------------------------------------------------------
"     - Better commits -
" -----------------------------------------------------------------------------
syntax on
set spell spelllang=en_us
set encoding=utf-8

" -----------------------------------------------------------------------------
"     - Style -
" -----------------------------------------------------------------------------
set number
set relativenumber
" This has been killing vim until it was resized
" set lines=50 columns=100
colorscheme gruvbox
set background=dark
set guifont=SauceCodePro\ Nerd\ Font:h12

" -----------------------------------------------------------------------------
"     - Miscellaneous -
" -----------------------------------------------------------------------------
" allow backspacing over everything in insert mode
set backspace=indent,eol,start
set ttimeoutlen=50

if has("vms")
  set nobackup		" do not keep a backup file, use versions instead
else
  set backup		  " keep a backup file
endif
set history=50		" keep 50 lines of command line history
set ruler		      " show the cursor position all the time
set cursorline    " highlight the current line
set laststatus=2  " Always display the status line
set noswapfile
set showcmd		    " display incomplete commands
set incsearch		  " do incremental searching
set autoread      " Reload files changed outside vim
set hidden        " Allow leaving unsaved buffers

" Trigger autoread when changing buffers or coming back to vim in terminal.
if !has('win32') && !has('win64')
  autocmd FocusGained,BufEnter * :silent! !
endif

" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
  set mouse=a
endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

" Allow recursive searches
set path+=**

" Save whenever switching windows or leaving vim. This is useful when running
" the tests inside vim without having to save all files first.
autocmd FocusLost,WinLeave * :silent! wa

" automatically rebalance windows on vim resize
autocmd VimResized * :wincmd =

" automatically save open .org files
autocmd CursorHold *.org :write

" Set tags to default tags file generated by gentags script
set tags=./tags.gitignored;

" -----------------------------------------------------------------------------
"     - Common mapping -
" -----------------------------------------------------------------------------
let mapleader = " "
let maplocalleader = " "

" Don't use Ex mode, use Q for formatting
map Q gq

" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
inoremap <C-U> <C-G>u<C-U>

" Allow :W and :Wq to save too
command! Wq :wq
command! W :w

" Close extra windows
noremap <Leader>c :ccl <bar> lcl<CR>

if &term =~ '256color'
  " disable Background Color Erase (BCE) so that color schemes
  " render properly when inside 256-color tmux and GNU screen.
  set t_ut=
endif