" Being vi-compatible disables more advanced features
set nocompatible

" Clear all existing autocommands first to avoid unwanted side effects
if has("autocmd")
  autocmd!
endif

" Register plugins
if filereadable(expand("~/dotfiles/vim/plugins.vim"))
  source ~/dotfiles/vim/plugins.vim
endif

" Automatically detect file types.
filetype plugin indent on

" Syntax highlighting.
syntax on

""""""""
"" Tabs and Text Formatting
""""""""""""""""""""""""""""""""""""""""""""""""""""""

set nowrap
set cursorline     " Highlight current line
set expandtab      " convert tab characters into spaces
set tabstop=2      " actual tab press distance
set softtabstop=2  " let backspace delete by indents
set shiftround     " indent to nearest tabstops
set shiftwidth=2   " amount to indent with > and <
set smarttab       " backspace tabs where appropriate even if spaces
set textwidth=80   " try to keep text within 80 characters
set colorcolumn=+1 " mark out the limits of the textwidth
set hidden         " allow changing buffers without unsaved-warnings e.g. for argdo

set nojoinspaces               " Prevents inserting two spaces after punctuation on a join (J)
set splitright                 " Puts new vsplit windows to the right of the current
set splitbelow                 " Puts new split windows to the bottom of the current
set backspace=indent,eol,start " Backspace for dummies
set linespace=0                " No extra spaces between rows
set number                     " Line numbers on
set relativenumber
set showmatch                  " Show matching brackets/parenthesis
set incsearch                  " Find as you type search
set hlsearch                   " Highlight search terms
set winminheight=0             " Windows can be 0 line high
set ignorecase                 " Case insensitive search
set smartcase                  " Case sensitive when uc present
set wildmenu                   " Show list instead of just completing
set modeline                   " Support vim modelines at the top of files
set whichwrap=b,s,h,l,<,>,[,]  " Backspace and cursor keys wrap too
set shortmess+=filmnrxoOtT     " Abbrev. of messages (avoids 'hit enter')
set scrolloff=5                " Minimum lines to keep above and below cursor

set list
set listchars=tab:›\ ,trail:•,extends:#,nbsp:. " Highlight problematic whitespace

if has('persistent_undo')
  set undofile                " So is persistent undo ...
  set undolevels=1000         " Maximum number of changes that can be undone
  set undoreload=10000        " Maximum number lines to save for undo on a buffer reload
endif

""""""""
"" Key Remaps
""""""""""""""""""""""""""""""""""""""""""""""""""""""

let mapleader = ','

" More convenient escape
inoremap kj <ESC>
inoremap jk <ESC>

" Yank from the cursor to the end of the line, to be consistent with C and D.
nnoremap Y y$

" Remap vim's 'increment next number' to <C-b> since <C-a> is used by tmux.
nnoremap <C-b> <C-a>

" Allow using the repeat operator with a visual selection (!)
" http://stackoverflow.com/a/8064607/127816
vnoremap . :normal .<CR>

""""""""
"" Load Settings Files
""""""""""""""""""""""""""""""""""""""""""""""""""""""

for filePath in split(globpath('~/dotfiles/vim/settings', '*.vim'), '\n')
  execute 'source' filePath
endfor